{"id":22898,"date":"2025-11-21T19:28:41","date_gmt":"2025-11-22T03:28:41","guid":{"rendered":"https:\/\/shengenfab.com\/?p=22898"},"modified":"2025-11-21T19:45:40","modified_gmt":"2025-11-22T03:45:40","slug":"how-to-design-corrosion-resistant-sheet-metal-parts","status":"publish","type":"post","link":"https:\/\/shengenfab.com\/en_gb\/how-to-design-corrosion-resistant-sheet-metal-parts\/","title":{"rendered":"How to Design Corrosion Resistant Sheet Metal Parts\uff1f"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"22898\" class=\"elementor elementor-22898\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6a451dbd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a451dbd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ef2f8e6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ef2f8e6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5a24b931 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5a24b931\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1664d94 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1664d94\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-446c793 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"446c793\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c8ca5d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c8ca5d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2835aa18 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2835aa18\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-387325c2\" data-id=\"387325c2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b00a32 elementor-widget elementor-widget-text-editor\" data-id=\"0b00a32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Every year, corrosion costs manufacturers billions in lost productivity, replacements, and warranty claims. For sheet metal products, the problem starts small \u2014 a rust spot, a stain near a joint \u2014 but it often ends with weakened structure, customer complaints, or complete part failure.<\/p><p>Corrosion is more than a cosmetic issue. It compromises strength, reliability, and electrical grounding. Once it begins, repair costs usually exceed the savings from cheaper materials or skipped coatings. That\u2019s why successful projects address corrosion in the design phase, not after production.<\/p><p>Designing corrosion-resistant sheet metal parts requires three main pillars: selecting the right material, shaping parts to avoid moisture traps, and choosing proper coatings and finishes. When these decisions align early, parts last years longer, maintenance drops, and brand reliability grows.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00028e6 elementor-widget elementor-widget-image\" data-id=\"00028e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"357\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/How-to-Design-Corrosion-Resistant-Sheet-Metal-Parts.jpg\" class=\"attachment-large size-large wp-image-22908\" alt=\"How to Design Corrosion Resistant Sheet Metal Parts\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/How-to-Design-Corrosion-Resistant-Sheet-Metal-Parts.jpg 500w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/How-to-Design-Corrosion-Resistant-Sheet-Metal-Parts-300x214.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/How-to-Design-Corrosion-Resistant-Sheet-Metal-Parts-18x12.jpg 18w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8047f41 elementor-widget elementor-widget-text-editor\" data-id=\"8047f41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><h2 class=\"wp-block-heading\">Understanding Corrosion in Sheet Metal<\/h2><p> <\/p><p>Corrosion is a natural reaction between a metal and its environment. It occurs when metal atoms lose electrons, forming oxides, hydroxides, or salts.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Common Corrosion Types<\/h3><p> <\/p><p><strong>Uniform corrosion<\/strong> spreads evenly across a surface. It\u2019s predictable and usually results from consistent exposure to air and moisture. Regular coating and maintenance can slow it significantly.<\/p><p> <\/p><p><strong>Pitting corrosion<\/strong> forms small but deep holes that can quickly penetrate thin sheet metal. Chloride-rich environments, such as coastal areas or cleaning chemicals, often trigger it. A single pit can grow through a 1 mm sheet in less than a year if left unchecked.<\/p><p> <\/p><p><strong>Crevice corrosion<\/strong> occurs when gaps or overlaps trap stagnant liquid, such as under gaskets or between riveted joints. Oxygen levels drop inside these spaces, creating an aggressive local environment.<\/p><p> <\/p><p><strong>Galvanic corrosion<\/strong> appears when two different metals touch in a conductive liquid. The less noble metal corrodes faster. For instance, using carbon-steel screws on aluminum panels can cause visible rust streaks within months.<\/p><p> <\/p><p><strong>Stress corrosion cracking (SCC)<\/strong> happens when tensile stress combines with a corrosive medium. Weld zones or bent corners may slowly develop microcracks that lead to sudden failure.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Environmental Factors and Risk Levels<\/h3><p> <\/p><p>The corrosion rate depends heavily on the part\u2019s environment. Below is a general reference for typical exposure categories:<\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f462c77 uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"f462c77\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t\t<table id=\"uael-table-id-f462c77\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-0 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Environment<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-1 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Example Conditions<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-2 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Typical Material Loss (Mild Steel)<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"3\" class=\"sort-this elementor-repeater-item-3 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Recommended Materials<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t<tbody>\n\t\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffEnvironment\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Indoor Controlled<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Example Conditions\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Air-conditioned room<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Typical Material Loss (Mild Steel)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">&lt;0.01 mm\/year<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Recommended Materials\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Mild steel, coated aluminum<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffEnvironment\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Outdoor Urban<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Example Conditions\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Occasional rain, low pollution<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Typical Material Loss (Mild Steel)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">0.02\u20130.05 mm\/year<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Recommended Materials\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Zinc-coated steel, 304 stainless<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"3\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffEnvironment\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Industrial<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Example Conditions\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Acidic gases, high humidity<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Typical Material Loss (Mild Steel)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">0.05\u20130.1 mm\/year<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Recommended Materials\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">316 stainless, anodized aluminum<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"4\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffEnvironment\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Marine \/ Coastal<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Example Conditions\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Salt mist, high humidity<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Typical Material Loss (Mild Steel)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">0.1\u20130.2 mm\/year<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Recommended Materials\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">316 stainless, titanium<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a636cc elementor-widget elementor-widget-text-editor\" data-id=\"4a636cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><p>These values show why a slight upgrade in material can deliver significant savings over a part\u2019s lifetime. A mild-steel panel may last 2\u20133 years outdoors, while a stainless 316 panel in the exact location could exceed 20 years.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Selecting the Right Materials<\/h2><p> <\/p><p>Material selection forms the foundation of corrosion resistance. Coatings and finishes can add protection, but if the base metal corrodes easily, long-term performance will always be limited.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Stainless Steels<\/h3><p> <\/p><p>Stainless steels are the backbone of corrosion-resistant design. Their high chromium content forms a self-repairing oxide film that prevents oxygen and water from reaching the metal surface.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>304 stainless<\/strong> offers good overall protection for indoor and light outdoor use.<\/li> <li><strong>316 stainless<\/strong> adds molybdenum, improving resistance to chlorides and acids, ideal for marine or chemical environments.<\/li> <li>A properly passivated stainless enclosure can remain rust-free for 15\u201325 years even under outdoor exposure.<\/li><\/ul><p> <\/p><h3 class=\"wp-block-heading\">Aluminum Alloys<\/h3><p> <\/p><p>Aluminum develops a natural oxide layer that seals the surface. It\u2019s lightweight, easy to form, and widely available in grades such as 5052 and 6061.<\/p><p> <\/p><p>For added protection and appearance, anodizing increases oxide thickness to 10\u201325 \u03bcm, or up to 50 \u03bcm for industrial-grade parts.<\/p><p> <\/p><p>Aluminum, however, should not directly contact copper or steel; insulating washers or coatings prevent galvanic reactions.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Copper and Brass<\/h3><p> <\/p><p>Copper and its alloys resist atmospheric and industrial corrosion, forming a stable green patina that protects the surface. Brass is often chosen when both conductivity and visual appeal matter.<\/p><p> <\/p><p>Although heavier and more costly, these materials are durable in architectural, electrical, or decorative applications.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Titanium and Nickel Alloys<\/h3><p> <\/p><p>For harsh chemical or marine exposure, titanium and nickel-based alloys provide unmatched stability. Titanium resists acids, alkalis, and salt water while maintaining strength at elevated temperatures.<\/p><p> <\/p><p>Nickel alloys such as Inconel withstand extreme environments where other metals fail \u2014 though they are harder to machine and significantly more expensive.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Balancing Performance, Cost, and Fabrication<\/h3><p> <\/p><p>Selecting a corrosion-resistant material isn\u2019t just about choosing the toughest option. The best choice balances performance, cost, and manufacturability.<\/p><p> <\/p><p>For example:<\/p><p> <\/p><ul class=\"wp-block-list\"><li>316 stainless costs about 2\u00d7 more than mild steel but may deliver 10\u00d7 the service life.<\/li> <li>Anodized aluminum offers good protection with lower weight and machining costs.<\/li> <li>Mild steel remains economical when paired with galvanizing or powder coating in non-aggressive environments.<\/li><\/ul><p> <\/p><p>When in doubt, compare total lifecycle cost, not just the purchase price. A durable part that avoids replacement every few years often pays for itself quickly.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Designing for Drainage, Ventilation, and Cleanability<\/h2><p> <\/p><p>Material choice sets the foundation for corrosion resistance, but geometry determines how long that protection lasts. A well-designed part lets water drain, air circulate, and coatings reach every surface.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Preventing Moisture Retention<\/h3><p> <\/p><p>Water is the primary fuel of corrosion. Once it settles on a surface, oxygen and contaminants accelerate metal breakdown. To reduce this risk, shape components so liquids can drain freely.<\/p><p> <\/p><p>Avoid flat horizontal surfaces, deep pockets, and sharp corners. Instead, use 3\u00b0\u20135\u00b0 slopes on horizontal panels, rounded bends, and open channels that promote airflow.<\/p><p> <\/p><p>For outdoor housings, add drain holes at the lowest points and position them away from electrical or cosmetic areas. A simple design change, like adding a sloped flange, can extend coating life by several years.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Avoiding Crevices and Gaps<\/h3><p> <\/p><p>Crevices act like small chemical reactors. Moisture and dust collect inside, oxygen drops, and corrosion accelerates. Tight overlaps, gasket joints, or spot-weld seams are common culprits.<\/p><p> <\/p><p>Whenever possible, use continuous welds instead of multiple spots. If bolted joints are necessary, seal them with non-absorbent gaskets or corrosion-resistant sealant.<\/p><p> <\/p><p>Maintain a minimum 0.5 mm clearance between overlapping panels for airflow or drainage. Sharp internal corners should be replaced with small radii to help with cleaning and coating coverage.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Designing for Cleaning and Ventilation<\/h3><p> <\/p><p>Regular cleaning slows corrosion dramatically \u2014 but only if surfaces are accessible. When <a href=\"https:\/\/shengenfab.com\/en_gb\/sheet-metal-enclosure-design\/\" target=\"_blank\" rel=\"noreferrer noopener\">designing enclosures<\/a> or frames, leave space for cleaning tools, inspection, or airflow.<\/p><p> <\/p><p>Vent holes or louvers help equalize humidity and temperature inside housings, reducing condensation. A few small openings can prevent trapped moisture without affecting the structure or protection rating.<\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5bd12c elementor-widget elementor-widget-image\" data-id=\"d5bd12c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"589\" height=\"360\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Vent-holes-or-louvers-Sheet-Metal-Parts.jpg\" class=\"attachment-large size-large wp-image-22906\" alt=\"Vent holes or louvers Sheet Metal Parts\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Vent-holes-or-louvers-Sheet-Metal-Parts.jpg 589w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Vent-holes-or-louvers-Sheet-Metal-Parts-300x183.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Vent-holes-or-louvers-Sheet-Metal-Parts-18x12.jpg 18w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a00e89 elementor-widget elementor-widget-text-editor\" data-id=\"5a00e89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><h2 class=\"wp-block-heading\">Surface Finishing and Protective Coatings<\/h2><p> <\/p><p>Even with ideal materials and geometry, a reliable barrier is still needed. <a href=\"https:\/\/shengenfab.com\/en_gb\/surface-finish-techniques-and-applications\/\" target=\"_blank\" rel=\"noreferrer noopener\">Surface finishing<\/a> creates that final layer of defense. The correct finish depends on exposure conditions, cost, and aesthetic goals.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Common Protective Finishes<\/h3><p> <\/p><h4 class=\"wp-block-heading\">Powder Coating<\/h4><p> <\/p><p>Powder coating applies an electrostatically charged powder cured under heat. The result is a durable skin 60\u2013120 \u03bcm thick. It resists UV rays, scratches, and most chemicals, making it suitable for outdoor cabinets and machine enclosures. It offers a long service life at a moderate cost.<\/p><p> <\/p><h4 class=\"wp-block-heading\">Anodizing (for Aluminum)<\/h4><p> <\/p><p>Anodizing thickens the natural oxide layer to 10\u201325 \u03bcm (standard) or 40\u201350 \u03bcm (industrial). The oxide bonds tightly with the base metal, improving resistance and allowing coloring. Hard-anodized parts can last over a decade outdoors with minimal fading.<\/p><p> <\/p><h4 class=\"wp-block-heading\">Zinc Plating and Hot-Dip Galvanizing<\/h4><p> <\/p><p>Zinc protects steel through sacrificial corrosion \u2014 the zinc layer corrodes first. Electro-galvanized coatings (5\u201325 \u03bcm) are best for indoor parts. Hot-dip coatings (up to 100 \u03bcm) withstand heavy outdoor or marine use. A 100 \u03bcm galvanized layer typically lasts 15\u201320 years in moderate environments.<\/p><p> <\/p><h4 class=\"wp-block-heading\">Electropolishing and Passivation (for Stainless Steel)<\/h4><p> <\/p><p>Electropolishing removes surface impurities and micro-roughness, while passivation rebuilds the chromium-oxide layer lost during welding or machining. Together, they greatly enhance stainless durability and hygiene \u2014 ideal for medical, food, or marine assemblies.<\/p><p> <\/p><h4 class=\"wp-block-heading\">Painting and Primers<\/h4><p> <\/p><p>Epoxy and polyurethane paints provide flexible, chemical-resistant finishes. Zinc-rich primers act as an extra protective barrier for mild steel before the final topcoat. A multilayer system \u2014 primer plus topcoat \u2014 often doubles corrosion life compared to a single finish.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Matching Coatings to the Environment<\/h3><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b68d5a uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"0b68d5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t\t<table id=\"uael-table-id-0b68d5a\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-0 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Environment<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-1 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Suitable Finishes<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-2 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Approximate Lifetime<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t<tbody>\n\t\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffEnvironment\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Indoor (dry)<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Suitable Finishes\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Zinc plating, light powder coat<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approximate Lifetime\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">5\u201310 years<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffEnvironment\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Outdoor (urban)<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Suitable Finishes\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Powder coat, anodizing, hot-dip galvanizing<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approximate Lifetime\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">10\u201320 years<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"3\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffEnvironment\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Marine \/ Industrial<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Suitable Finishes\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">316 stainless with electropolish, heavy anodizing, multi-coat system<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approximate Lifetime\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">15\u201325 years<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0815227 elementor-widget elementor-widget-text-editor\" data-id=\"0815227\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><p><strong>Estimated under typical maintenance cycles<\/strong><\/p><p> <\/p><p>Designers should also account for coating thickness. A 0.004\u2033 (100 \u03bcm) layer may affect tolerances in hinges, tabs, or slots. Modeling the coating in CAD prevents alignment issues during assembly.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Pre-Finishing Design Adjustments<\/h3><p> <\/p><p>Surface finishing works best when planned early. Add masking zones around threaded holes or electrical contacts, and small holes for hanging during coating. Avoid deep recesses that trap powder or plating fluid.<\/p><p> <\/p><p>By thinking about finishing before fabrication, you ensure complete coverage, consistent thickness, and lower rework costs.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Manufacturing and Process Considerations<\/h2><p> <\/p><p>Fabrication can either preserve or destroy corrosion resistance. Cutting, welding, and handling all influence how the surface behaves in service. Process discipline keeps protection intact from prototype to final assembly.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Controlling Heat-Affected Zones<\/h3><p> <\/p><p>High heat during <a href=\"https:\/\/shengenfab.com\/en_gb\/sheet-metal-welding-a-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">welding<\/a> or <a href=\"https:\/\/shengenfab.com\/en_gb\/laser-cutting-a-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">laser cutting<\/a> can weaken corrosion resistance by altering the metal\u2019s microstructure. In stainless steel, overheating causes sensitization, where chromium carbides form and reduce the protective oxide layer.<\/p><p> <\/p><p>To prevent this:<\/p><p> <\/p><ul class=\"wp-block-list\"><li>Use controlled heat input and short weld runs.<\/li> <li>Cool between passes.<\/li> <li>Clean and passivate weld zones after finishing.<\/li> <li>Restoring the oxide film ensures the welded joint resists corrosion as well as the base material.<\/li><\/ul><p> <\/p><h3 class=\"wp-block-heading\">Minimizing Surface Roughness and Contamination<\/h3><p> <\/p><p>Rough or contaminated surfaces hold moisture and dirt. After cutting or grinding, deburr edges and polish exposed areas. A smooth Ra \u2264 1.6 \u03bcm surface improves both coating adhesion and corrosion performance.<\/p><p> <\/p><p>Handle stainless parts with clean gloves; even fingerprints can leave chloride deposits that cause rust specks. Clean with neutral solvents before coating.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Fasteners and Assembly Practices<\/h3><p> <\/p><p>Fasteners often become the weakest corrosion link. Match materials whenever possible \u2014 stainless bolts for stainless panels, coated steel for galvanized structures.<\/p><p> <\/p><p>When dissimilar metals are unavoidable, isolate them with nylon washers, plastic spacers, or sealant layers.<\/p><p> <\/p><p>Apply uniform torque to avoid micro-gaps where water collects. Uneven compression can trap moisture and cause localized attack.<\/p><p> <\/p><h3 class=\"wp-block-heading\">In-Process Inspection and Quality Control<\/h3><p> <\/p><p>Quality checks confirm that protective measures remain intact throughout production.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Coating thickness<\/strong> tests ensure consistent coverage.<\/li> <li><strong>Salt-spray testing (ASTM B117)<\/strong> verifies expected lifetime.<\/li> <li><strong>Visual inspections<\/strong> catch chips, burns, or missing finish early.<\/li> <li>Each inspection step prevents costly rework or field failures later.<\/li><\/ul><p> <\/p><h2 class=\"wp-block-heading\">Advanced Design Strategies<\/h2><p> <\/p><p>Designing for corrosion resistance doesn\u2019t stop once fabrication is done. Long-term performance depends on how the design supports inspection, maintenance, and environmental changes over time.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Early Collaboration Between Design and Fabrication<\/h3><p> <\/p><p>Most corrosion issues trace back to poor communication between engineering and production. Designers may specify tight seams, small cavities, or surfaces that are impossible to coat evenly. Once fabrication begins, these problems are expensive to fix.<\/p><p> <\/p><p>Involving fabrication engineers early avoids rework. A DFM (Design for Manufacturability) review identifies risks such as inaccessible welds, poor drainage angles, or finishes incompatible with geometry.<\/p><p> <\/p><p>For example, replacing overlapping panels with folded flanges can eliminate crevice zones while simplifying coating and assembly.<\/p><p> <\/p><p>Early collaboration also ensures the right materials, cutting methods, and coatings are available in the supply chain. A few minutes of joint review can prevent years of field corrosion.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Maintenance and Lifecycle Planning<\/h3><p> <\/p><p>Even the best design needs care during its service life. Simple access points and cleaning allowances can double corrosion resistance in practice.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Add inspection windows or removable covers<\/strong> for easy visual checks.<\/li> <li><strong>Design replaceable modules or panels<\/strong> so damaged surfaces can be swapped instead of being scrapped.<\/li> <li><strong>Specify routine cleaning intervals:<\/strong> rinsing every three months in coastal environments can reduce salt deposits by 80%.<\/li><\/ul><p> <\/p><p>Planned maintenance isn\u2019t wasted effort \u2014 it\u2019s part of the design. By planning how a product will be inspected and maintained, engineers ensure real-world performance matches design intent.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Lifecycle Testing and Verification<\/h3><p> <\/p><p>Corrosion resistance should be proven, not assumed. Laboratory testing confirms whether materials and coatings perform as expected.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Salt-Spray Test (ASTM B117):<\/strong> exposes samples to continuous salt fog to simulate marine conditions.<\/li> <li><strong>Humidity Chamber (ASTM D2247):<\/strong> checks coating integrity under constant moisture.<\/li> <li><strong>Cyclic Corrosion Tests:<\/strong> alternate wet and dry cycles to replicate daily weathering.<\/li><\/ul><p> <\/p><p>For stainless assemblies, visual inspection for discoloration or weld oxidation is equally valuable. Even minor color shifts can signal heat-affected zones or surface contamination.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Long-Term Economic Benefits<\/h3><p> <\/p><p>Designing for corrosion resistance often adds cost upfront, but it pays off over a product\u2019s lifetime. Replacing a corroded enclosure after three years costs far more than using a better alloy or coating from the start.<\/p><p> <\/p><p>Consider a simple comparison:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Mild-steel cabinet:<\/strong> $100 per unit, average life 3 years.<\/li> <li><strong>316 stainless cabinet:<\/strong> $180 per unit, average life 20 years.<\/li><\/ul><p> <\/p><p>Over ten years, the stainless version costs 40% less per year while avoiding downtime, repainting, and customer complaints. For OEMs and equipment manufacturers, this translates into fewer service calls and a stronger reputation for reliability.<\/p><p> <\/p><p>Durable parts also reduce environmental impact by cutting waste and replacement frequency \u2014 an increasingly important factor for global buyers.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Conclusion<\/h2><p> <\/p><p>Corrosion prevention starts in the CAD model and ends in the field. Every detail \u2014 from the material alloy to the slope of a drain hole \u2014 affects how a product survives its environment.<\/p><p> <\/p><p>By integrating corrosion control into material selection, geometry, finishing, and manufacturing, engineers turn durability into a design feature rather than an afterthought.<\/p><p> <\/p><p>If you want to create sheet-metal parts that stay stable in harsh environments, our team at Shengen can help. We offer full DFM reviews, suggest suitable materials, and guide you on surface finishes that increase service life and lower long-term costs. <a href=\"https:\/\/shengenfab.com\/en_gb\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact us to talk about your project and receive a free design review<\/a>.<\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-19cdbe2b\" data-id=\"19cdbe2b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-66db0e6b elementor-widget elementor-widget-heading\" data-id=\"66db0e6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Hey, I'm Kevin Lee<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fceccf0 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"1fceccf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"640\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp\" class=\"attachment-large size-large wp-image-6422\" alt=\"Kevin Lee\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp 1024w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-300x240.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-768x614.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60deb736 elementor-widget elementor-widget-text-editor\" data-id=\"60deb736\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0<\/p><p>For the past 10 years, I&#8217;ve been immersed in various forms of sheet metal fabrication, sharing cool insights here from my experiences across diverse workshops.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1162c7a1 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"1162c7a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/shengenfab.com\/en_gb\/about-author\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">ABOUT ME<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5498bc7e elementor-widget elementor-widget-heading\" data-id=\"5498bc7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"> Get in touch<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e4a571f elementor-button-align-stretch elementor-widget elementor-widget-global elementor-global-893 elementor-widget-form\" data-id=\"1e4a571f\" data-element_type=\"widget\" data-e-type=\"widget\" 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value=\"en_gb\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5a356924 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5a356924\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-223c63ba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"223c63ba\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-173a889d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"173a889d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4e9f5118 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4e9f5118\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-5cba5c51\" data-id=\"5cba5c51\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-759968d\" data-id=\"759968d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e7a67fc custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e7a67fc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3df07211\" data-id=\"3df07211\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-734c8c88 elementor-widget elementor-widget-image\" data-id=\"734c8c88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"640\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp\" class=\"attachment-large size-large wp-image-6422\" alt=\"Kevin Lee\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp 1024w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-300x240.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-768x614.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-99a7b21\" data-id=\"99a7b21\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-74d1a83 elementor-widget elementor-widget-heading\" data-id=\"74d1a83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Kevin Lee<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a4182be elementor-widget elementor-widget-text-editor\" data-id=\"5a4182be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>I have over ten years of professional experience in sheet metal fabrication, specializing in laser cutting, bending, welding, and surface treatment techniques. As the Technical Director at Shengen, I am committed to solving complex manufacturing challenges and driving innovation and quality in each project.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-72cc2ff8\" data-id=\"72cc2ff8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-111863bd custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"111863bd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6609e517\" data-id=\"6609e517\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-35be472a elementor-widget elementor-widget-heading\" data-id=\"35be472a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Resource<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40f06d9f uael-post__link-complete-yes uael-equal__height-yes elementor-widget elementor-widget-uael-posts\" data-id=\"40f06d9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_slides_to_show&quot;:4,&quot;classic_slides_to_show_tablet&quot;:2,&quot;classic_slides_to_show_mobile&quot;:1,&quot;classic_pagination_type&quot;:&quot;ajax&quot;,&quot;classic_show_filters&quot;:&quot;no&quot;}\" data-widget_type=\"uael-posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"uael-post__header\">\n\t\t\t\t\t<\/div>\n\t\t<div class=\"uael-post__body\">\n\t\t\t\n\t\t\n\t\t<div class=\"uael-blog-terms-position- uael-post-image-top uael-post-grid uael-posts\" data-query-type=\"custom\" data-structure=\"normal\" data-layout=\"\" data-page=\"22898\" data-skin=\"classic\" data-filter-default=\"\" data-offset-top=\"30\" >\n\n\t\t\t\t\t\t\t<div class=\"uael-post-grid__inner uael-post__columns-4 uael-post__columns-tablet-2 uael-post__columns-mobile-1\">\n\t\t\t\n<div class=\"uael-post-wrapper   blog\">\n\t<div class=\"uael-post__bg-wrap uael-bg-wrap-disabled\">\n\n\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fillet-machining\/\" target=\"_self\" class=\"uael-post__complete-box-overlay\" aria-label=\"Link Complete Box\"><\/a>\n\t\t\t\t\n\t\t<div class=\"uael-post__inner-wrap uael-inner-wrap-disabled\">\n\n\t\t\t\t<div class=\"uael-post__thumbnail\">\n\t\t\t\n\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fillet-machining\/\" target=\"_blank\" title=\"Fillet Machining: What Drives Cost and Part Quality\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"419\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive.jpg\" class=\"attachment-full size-full wp-image-24569\" alt=\"Why Tight Internal Fillets Get Expensive\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive-300x168.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive-18x10.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fillet-machining\/\" target=\"_blank\">\n\t\t\t\tFillet Machining: What Drives Cost and Part Quality\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t13 April 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 192c0-88.4-93.1-160-208-160S0 103.6 0 192c0 34.3 14.1 65.9 38 92-13.4 30.2-35.5 54.2-35.8 54.5-2.2 2.3-2.8 5.7-1.5 8.7S4.8 352 8 352c36.6 0 66.9-12.3 88.7-25 32.2 15.7 70.3 25 111.3 25 114.9 0 208-71.6 208-160zm122 220c23.9-26 38-57.7 38-92 0-66.9-53.5-124.2-129.3-148.1.9 6.6 1.3 13.3 1.3 20.1 0 105.9-107.7 192-240 192-10.8 0-21.3-.8-31.7-1.9C207.8 439.6 281.8 480 368 480c41 0 79.1-9.2 111.3-25 21.8 12.7 52.1 25 88.7 25 3.2 0 6.1-1.9 7.3-4.8 1.3-2.9.7-6.3-1.5-8.7-.3-.3-22.4-24.2-35.8-54.5z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\tNo Comments\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<a class=\"uael-post__read-more 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\/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fingerprint-resistant-stainless-steel\/\" target=\"_blank\">\n\t\t\t\tFingerprint Resistant Stainless Steel: How It Works,and How to Choose\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t12 March 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 192c0-88.4-93.1-160-208-160S0 103.6 0 192c0 34.3 14.1 65.9 38 92-13.4 30.2-35.5 54.2-35.8 54.5-2.2 2.3-2.8 5.7-1.5 8.7S4.8 352 8 352c36.6 0 66.9-12.3 88.7-25 32.2 15.7 70.3 25 111.3 25 114.9 0 208-71.6 208-160zm122 220c23.9-26 38-57.7 38-92 0-66.9-53.5-124.2-129.3-148.1.9 6.6 1.3 13.3 1.3 20.1 0 105.9-107.7 192-240 192-10.8 0-21.3-.8-31.7-1.9C207.8 439.6 281.8 480 368 480c41 0 79.1-9.2 111.3-25 21.8 12.7 52.1 25 88.7 25 3.2 0 6.1-1.9 7.3-4.8 1.3-2.9.7-6.3-1.5-8.7-.3-.3-22.4-24.2-35.8-54.5z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\tNo Comments\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<a class=\"uael-post__read-more elementor-button\" href=\"https:\/\/shengenfab.com\/en_gb\/fingerprint-resistant-stainless-steel\/\" target=\"_blank\" aria-labelledby=\"uael-post-24442\">\n\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon elementor-align-icon-left\">\n\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-button-text\" id=\"uael-post-24442\">Readmore<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t<\/div>\n\n<\/div>\n\n<div class=\"uael-post-wrapper   blog\">\n\t<div class=\"uael-post__bg-wrap uael-bg-wrap-disabled\">\n\n\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/oem-vs-contract-manufacturing\/\" target=\"_self\" class=\"uael-post__complete-box-overlay\" aria-label=\"Link Complete Box\"><\/a>\n\t\t\t\t\n\t\t<div class=\"uael-post__inner-wrap uael-inner-wrap-disabled\">\n\n\t\t\t\t<div class=\"uael-post__thumbnail\">\n\t\t\t\n\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/oem-vs-contract-manufacturing\/\" target=\"_blank\" title=\"OEM vs Contract Manufacturing: How to Choose the Right Model for Your Project\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"409\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job.jpg\" class=\"attachment-full size-full wp-image-24371\" alt=\"A Finished Drawing Does Not Always Mean a Production Safe Job\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job-300x164.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job-18x10.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/oem-vs-contract-manufacturing\/\" target=\"_blank\">\n\t\t\t\tOEM vs Contract Manufacturing: How to Choose the Right Model for Your Project\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t9 March 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 192c0-88.4-93.1-160-208-160S0 103.6 0 192c0 34.3 14.1 65.9 38 92-13.4 30.2-35.5 54.2-35.8 54.5-2.2 2.3-2.8 5.7-1.5 8.7S4.8 352 8 352c36.6 0 66.9-12.3 88.7-25 32.2 15.7 70.3 25 111.3 25 114.9 0 208-71.6 208-160zm122 220c23.9-26 38-57.7 38-92 0-66.9-53.5-124.2-129.3-148.1.9 6.6 1.3 13.3 1.3 20.1 0 105.9-107.7 192-240 192-10.8 0-21.3-.8-31.7-1.9C207.8 439.6 281.8 480 368 480c41 0 79.1-9.2 111.3-25 21.8 12.7 52.1 25 88.7 25 3.2 0 6.1-1.9 7.3-4.8 1.3-2.9.7-6.3-1.5-8.7-.3-.3-22.4-24.2-35.8-54.5z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\tNo Comments\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<a class=\"uael-post__read-more elementor-button\" href=\"https:\/\/shengenfab.com\/en_gb\/oem-vs-contract-manufacturing\/\" target=\"_blank\" aria-labelledby=\"uael-post-24369\">\n\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon elementor-align-icon-left\">\n\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-button-text\" id=\"uael-post-24369\">Readmore<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t<\/div>\n\n<\/div>\n\n<div class=\"uael-post-wrapper   blog\">\n\t<div class=\"uael-post__bg-wrap uael-bg-wrap-disabled\">\n\n\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/setup-cost-vs-unit-cost-in-sheet-metal-manufacturing\/\" target=\"_self\" class=\"uael-post__complete-box-overlay\" aria-label=\"Link Complete Box\"><\/a>\n\t\t\t\t\n\t\t<div class=\"uael-post__inner-wrap uael-inner-wrap-disabled\">\n\n\t\t\t\t<div class=\"uael-post__thumbnail\">\n\t\t\t\n\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/setup-cost-vs-unit-cost-in-sheet-metal-manufacturing\/\" target=\"_blank\" title=\"Setup Cost vs Unit Cost in Sheet Metal Manufacturing\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost.jpg\" class=\"attachment-full size-full wp-image-24239\" alt=\"Setup Cost vs Unit Cost\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost-300x200.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost-18x12.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/setup-cost-vs-unit-cost-in-sheet-metal-manufacturing\/\" target=\"_blank\">\n\t\t\t\tSetup Cost vs Unit Cost in Sheet Metal Manufacturing\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t6 February 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 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elementor-align-icon-left\">\n\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-button-text\" id=\"uael-post-24235\">Readmore<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t<\/div>\n\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"uael-post__footer\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Every year, corrosion costs manufacturers billions in lost productivity, replacements, and warranty claims. For sheet metal products, the problem starts small \u2014 a rust spot, a stain near a joint \u2014 but it often ends with weakened structure, customer complaints, or complete part failure. Corrosion is more than a cosmetic issue. It compromises strength, reliability, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":22907,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[15],"class_list":["post-22898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-sheet-metal-fabrication"],"_links":{"self":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts\/22898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/comments?post=22898"}],"version-history":[{"count":0,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts\/22898\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media\/22907"}],"wp:attachment":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media?parent=22898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/categories?post=22898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/tags?post=22898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}