{"id":5631,"date":"2023-09-27T18:33:50","date_gmt":"2023-09-28T02:33:50","guid":{"rendered":"https:\/\/shengenfab.com\/?p=5631"},"modified":"2025-02-07T20:01:17","modified_gmt":"2025-02-08T04:01:17","slug":"passivated-stainless-steel","status":"publish","type":"post","link":"https:\/\/shengenfab.com\/en_gb\/passivated-stainless-steel\/","title":{"rendered":"How to Passivated Stainless Steel: The Ultimate Guide"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5631\" class=\"elementor elementor-5631\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-124ba296 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"124ba296\" 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-186ac23f\" data-id=\"186ac23f\" 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-adc60d7 elementor-widget elementor-widget-text-editor\" data-id=\"adc60d7\" 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>Stainless steel is corrosion-resistant, but it&#8217;s not invincible. Contaminants from machining and handling can leave it vulnerable to rust. Passivation might be the solution if your stainless steel parts show signs of discoloration or corrosion. This process enhances corrosion resistance and extends the lifespan of your components, making it a crucial step in ensuring long-term performance.<\/p><p>Skipping passivation can lead to premature corrosion, especially in harsh environments. If your stainless steel components must withstand moisture, chemicals, or extreme conditions, passivation helps maintain their integrity and performance.<\/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-c354949 elementor-widget elementor-widget-video\" data-id=\"c354949\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=SqU0M6KSaLs&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ab01f6 elementor-widget elementor-widget-text-editor\" data-id=\"2ab01f6\" 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\">What Is Stainless Steel Passivation?<\/h2><p> <\/p><p>Stainless steel passivation is a chemical treatment designed to remove free iron and other contaminants from the surface. This process restores the steel&#8217;s natural oxide layer, which enhances its corrosion resistance.<\/p><p> <\/p><p>Typically, the treatment involves immersing the steel in an acid solution, such as nitric or citric acid, followed by rinsing and drying to ensure a clean and durable surface.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Why Does Stainless Steel Need Passivation?<\/h2><p> <\/p><p>Despite its name, stainless steel isn&#8217;t completely stain-proof. During fabrication, machining, and <a href=\"https:\/\/shengenfab.com\/en_gb\/sheet-metal-welding-a-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">welding<\/a>, contaminants like iron particles can be embedded in the surface, creating weak points that lead to rust.<\/p><p> <\/p><p>Passivation eliminates free iron and contaminants from the surface, preventing rust formation. It also reinforces the natural chromium oxide layer, a barrier against oxidation and chemical damage.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Principles of Stainless Steel Passivation<\/h2><p> <\/p><p>Passivation enhances stainless steel&#8217;s corrosion resistance by removing impurities and promoting a stable oxide layer. The process depends on chemical interactions and environmental factors that determine its effectiveness.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Chemical Reactions Behind the Process<\/h3><p> <\/p><p>In a typical passivation process, the stainless steel is treated with an acidic solution, such as nitric acid. The acid reacts with free iron particles on the surface, dissolving them and promoting the formation of a chromium-rich oxide layer. This new oxide layer is what makes the stainless steel resistant to corrosion.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Factors That Influence Passivation Effectiveness<\/h3><p> <\/p><p>Several factors affect passivation results:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Stainless Steel Grade:<\/strong> Higher chromium and nickel content improve passivation outcomes.<\/li> <li><strong>Acid Type and Concentration:<\/strong> The strength and type of acid used (nitric or citric) influence how well the surface is cleaned.<\/li> <li><strong>Temperature:<\/strong> Higher temperatures can accelerate the reaction but must be controlled to avoid damaging the material.<\/li> <li><strong>Processing Time:<\/strong> The duration of the acid bath must be sufficient to dissolve contaminants without overexposing the surface.<\/li><\/ul><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-46e9c86 elementor-widget elementor-widget-image\" data-id=\"46e9c86\" 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=\"800\" height=\"448\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/Passivated_Stainless_Steel-2-1024x574.webp\" class=\"attachment-large size-large wp-image-5640\" alt=\"Passivated Stainless Steel\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/Passivated_Stainless_Steel-2-1024x574.webp 1024w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/Passivated_Stainless_Steel-2-300x168.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/Passivated_Stainless_Steel-2-768x430.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/Passivated_Stainless_Steel-2.webp 1164w\" 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-cef9860 elementor-widget elementor-widget-text-editor\" data-id=\"cef9860\" 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\">Methods of Passivation<\/h2><p> <\/p><p>Two main methods for passivating stainless steel are nitric acid passivation and citric acid passivation. Both processes improve corrosion resistance but differ in their chemical properties and applications.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Nitric Acid Passivation<\/h3><p> <\/p><p>In nitric acid passivation, stainless steel is immersed in a concentrated nitric acid solution. The acid reacts with the surface to remove iron contaminants while promoting the formation of a chromium oxide layer. This method is highly effective but requires careful handling due to the hazardous fumes produced.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Citric Acid Passivation<\/h3><p> <\/p><p>Citric acid passivation is a more environmentally friendly alternative. It uses a citric acid solution to remove surface contaminants and promote the formation of the oxide layer. This method is safer, easier to handle, and equally effective for many stainless steel grades.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Comparing Nitric Acid vs. Citric Acid<\/h3><p> <\/p><ul class=\"wp-block-list\"><li><strong>Effectiveness:<\/strong> Both methods effectively enhance corrosion resistance, but nitric acid is more aggressive in removing free iron.<\/li> <li><strong>Environmental Impact:<\/strong> Citric acid is more eco-friendly and safer to handle, while nitric acid can produce harmful fumes.<\/li> <li><strong>Cost and Handling:<\/strong> Nitric acid tends to be more expensive and requires specialized safety equipment. Citric acid is a more cost-effective and safer option.<\/li> <li><strong>Applications:<\/strong> Nitric acid is better for heavy-duty passivation, while citric acid is suitable for lighter-duty applications where environmental concerns are a priority.<\/li><\/ul><p> <\/p><h2 class=\"wp-block-heading\">Benefits of Stainless Steel Passivation<\/h2><p> <\/p><p>Passivating stainless steel provides several key advantages that help maintain the material&#8217;s performance and appearance over time.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Enhanced Corrosion Resistance<\/h3><p> <\/p><p>Passivation removes contaminants like free iron from the surface, which can lead to rust and corrosion. Passivation helps stainless steel resist rust and oxidation by promoting the formation of a protective oxide layer.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Increased Durability and Lifespan<\/h3><p> <\/p><p>The protective oxide layer formed during passivation prevents corrosion and reduces the risk of pitting, cracking, or surface degradation.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Improved Aesthetic Finish<\/h3><p> <\/p><p>Passivation also improves the <a href=\"https:\/\/shengenfab.com\/en_gb\/surface-finish-techniques-and-applications\/\" target=\"_blank\" rel=\"noreferrer noopener\">surface finish<\/a> of stainless steel, removing discoloration and enhancing the material&#8217;s natural shine.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Step-by-Step Guide to Passivating Stainless Steel<\/h2><p> <\/p><p>Passivating stainless steel involves several key steps to ensure the process is effective. Below are step-by-step instructions for passivation:<\/p><p> <\/p><h3 class=\"wp-block-heading\">Step 1: Cleaning<\/h3><p> <\/p><p>Before passivation, it&#8217;s essential to thoroughly clean the stainless steel to remove oils, grease, dirt, and machining residues.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Step 2: Choosing the Right Passivation Method<\/h3><p> <\/p><h4 class=\"wp-block-heading\">Factors to Consider<\/h4><p> <\/p><p>When selecting between nitric acid and citric acid passivation, consider the following:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Type of Stainless Steel:<\/strong> Higher-grade alloys may respond better to one method.<\/li> <li><strong>Environmental Impact:<\/strong> Citric acid is safer and more eco-friendly, while nitric acid requires more safety precautions due to harmful fumes.<\/li> <li><strong>Desired Outcome:<\/strong> Nitric acid is ideal for heavy-duty corrosion resistance, while citric acid is suitable for lighter-duty needs.<\/li><\/ul><p> <\/p><h3 class=\"wp-block-heading\">Step 3: Executing the Passivation Process<\/h3><p> <\/p><h4 class=\"wp-block-heading\">Proper Handling of Chemicals<\/h4><p> <\/p><p>Handle acids using appropriate personal protective equipment (PPE), such as gloves, goggles, and respiratory protection. Ensure the acid is stored and disposed of according to safety guidelines to minimize health and environmental risks.<\/p><p> <\/p><h4 class=\"wp-block-heading\">Temperature and Immersion Time Considerations<\/h4><p> <\/p><p>The effectiveness of passivation depends on the solution&#8217;s temperature and the immersion time:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Temperature:<\/strong> For nitric acid, temperatures between 120-140\u00b0F (49-60\u00b0C) are optimal. Citric acid works well at room temperature but may benefit from mild heating.<\/li> <li><strong>Immersion Time:<\/strong> Typically, parts should be immersed for 20-30 minutes to allow sufficient time for the chemical reactions to occur. Longer times may increase the risk of surface etching or damage.<\/li><\/ul><p> <\/p><h3 class=\"wp-block-heading\">Step 4: Post-Passivation Procedures<\/h3><p> <\/p><h4 class=\"wp-block-heading\">Rinsing and Neutralization<\/h4><p> <\/p><p>After the acid treatment, parts should be thoroughly rinsed with deionized water to remove any remaining acid. For nitric acid passivation, a neutralization step with a mild alkaline solution may be necessary to remove all acid residues.<\/p><p> <\/p><h4 class=\"wp-block-heading\">Drying and Inspection<\/h4><p> <\/p><p>Once rinsed, the parts should be dried thoroughly to prevent water spots and further contamination. After drying, carefully inspect the surface for any defects, discoloration, or areas needing additional treatment.<\/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-d4fabeb elementor-widget elementor-widget-image\" data-id=\"d4fabeb\" 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=\"448\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/cleaning_and_pickling_the_stainless_steel-1024x574.webp\" class=\"attachment-large size-large wp-image-5638\" alt=\"Rinsing\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/cleaning_and_pickling_the_stainless_steel-1024x574.webp 1024w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/cleaning_and_pickling_the_stainless_steel-300x168.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/cleaning_and_pickling_the_stainless_steel-768x430.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/09\/cleaning_and_pickling_the_stainless_steel.webp 1164w\" 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-c4370e9 elementor-widget elementor-widget-text-editor\" data-id=\"c4370e9\" 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\">Maintaining Passivated Stainless Steel<\/h2><p> <\/p><p>Routine maintenance is crucial to ensure that passivated stainless steel continues to perform at its best. Proper care will keep it corrosion-resistant and visually appealing over time.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Routine Cleaning and Care<\/h3><p> <\/p><p>Even when passivated, stainless steel still needs regular cleaning to maintain its surface. Use non-abrasive cleaners and soft cloths to avoid scratching the surface. For routine cleaning, mild detergents or pH-neutral cleaners are ideal.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Avoiding Recontamination<\/h3><p> <\/p><p>Avoid exposing passivated stainless steel to substances like oils, dust, or iron particles during handling and storage. When handling parts, ensure they are clean and use gloves to prevent transferring oils or moisture from your hands.<\/p><p> <\/p><h3 class=\"wp-block-heading\">When to Re-Passivate<\/h3><p> <\/p><p>Over time, the passivation layer can degrade, especially in harsh environments or if the surface has been exposed to physical wear. If signs of corrosion or staining appear, it&#8217;s time to re-passivate. Additionally, re-passivation may be necessary after repairs or welding to restore the protective layer.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Conclusion<\/h2><p> <\/p><p>Passivating stainless steel is essential to enhance its corrosion resistance, durability, and aesthetic appeal. Following proper procedures, choosing the correct passivation method, and maintaining the treated surface ensures the material performs optimally, even in harsh conditions.<\/p><p> <\/p><p>Ready to enhance the longevity and performance of your stainless steel products? <a href=\"https:\/\/shengenfab.com\/en_gb\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact us<\/a> today to learn more about our passivation services and how we can help you achieve the best results for your projects!<\/p><p> <\/p><h2 class=\"wp-block-heading\">FAQs<\/h2><p> <\/p><h3 class=\"wp-block-heading\">How often should stainless steel be passivated?<\/h3><p> <\/p><p>Stainless steel should be passivated when it is first fabricated or after any welding or machining that may introduce contaminants. Regular passivation is not required unless the surface shows corrosion or damage.<\/p><p> <\/p><h3 class=\"wp-block-heading\">How do you remove passivation from stainless steel?<\/h3><p> <\/p><p>The stainless steel can be cleaned using a strong acidic solution or abrasive methods to remove passivation. Nitric acid or a mechanical abrasion process can break down the oxide layer.<\/p><p> <\/p><h3 class=\"wp-block-heading\">How do you tell if stainless steel has been passivated?<\/h3><p> <\/p><p>A visual inspection can reveal signs of passivation, such as a smooth, shiny, and uniform surface. You can also perform a corrosion test, such as exposing the steel to a mild acid solution, to check if the passivation layer is intact and effective.<\/p><p> <\/p><h3 class=\"wp-block-heading\">What happens if stainless steel is not passivated?<\/h3><p> <\/p><p>If stainless steel is not passivated, it can be more vulnerable to corrosion, especially in harsh environments. Iron particles left on the surface can cause rusting and degradation over time, leading to pitting, staining, or even structural damage.<\/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-4bd04c16\" data-id=\"4bd04c16\" 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-d290cf5 elementor-widget elementor-widget-global elementor-global-6522 elementor-widget-heading\" data-id=\"d290cf5\" 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-f0cea69 elementor-widget elementor-widget-global elementor-global-6525 elementor-widget-image\" data-id=\"f0cea69\" 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-948607e elementor-widget elementor-widget-global elementor-global-6528 elementor-widget-text-editor\" data-id=\"948607e\" 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>For the past 10 years, I\u2019ve 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-5c623b8a elementor-widget elementor-widget-heading\" data-id=\"5c623b8a\" 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-e031ae0 elementor-button-align-stretch elementor-widget elementor-widget-global elementor-global-893 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value=\"e031ae0\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_59b0978 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_59b0978\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tPhone\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_59b0978]\" id=\"form-field-field_59b0978\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Phone\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Only numbers and phone characters (#, -, *, etc) are accepted.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_3054d6d elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_3054d6d\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tUpload files\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_3054d6d]\" id=\"form-field-field_3054d6d\" class=\"elementor-field elementor-size-sm  elementor-upload-field\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_7cab1df elementor-col-100 recaptcha_v3-inline\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_7cab1df\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6Ld96zomAAAAAFa92bnUaWtgdyyax_AThlz6udzh\" data-type=\"v3\" data-action=\"Form\" data-badge=\"inline\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\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\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get Instant Quote<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" 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-1855c758 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1855c758\" 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-17e9d4e3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"17e9d4e3\" 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-1d2479a2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1d2479a2\" 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-3b3aebe1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3b3aebe1\" 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-36f23007 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"36f23007\" 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-53fa509b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"53fa509b\" 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-596744f4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"596744f4\" 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-7d88f530 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7d88f530\" 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-2400db2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2400db2\" 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-3332c22c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3332c22c\" 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-3072a7d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3072a7d4\" 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-6e0341d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e0341d\" 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-50799750 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"50799750\" 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-74c4d36c\" data-id=\"74c4d36c\" 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-2e4a47ff\" data-id=\"2e4a47ff\" 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-7512fd2d custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7512fd2d\" 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-7c08315e\" data-id=\"7c08315e\" 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-24c26ea7 elementor-widget elementor-widget-image\" data-id=\"24c26ea7\" 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-4ffc0f9f\" data-id=\"4ffc0f9f\" 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-66039071 elementor-widget elementor-widget-heading\" data-id=\"66039071\" 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-2116df5e elementor-widget elementor-widget-text-editor\" data-id=\"2116df5e\" 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-e461351\" data-id=\"e461351\" 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-38591a8c custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"38591a8c\" 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-ca8473e\" data-id=\"ca8473e\" 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-58b64322 elementor-widget elementor-widget-heading\" data-id=\"58b64322\" 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-7addce1e uael-post__link-complete-yes uael-equal__height-yes elementor-widget elementor-widget-uael-posts\" data-id=\"7addce1e\" 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=\"5631\" 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 elementor-button\" href=\"https:\/\/shengenfab.com\/en_gb\/fillet-machining\/\" target=\"_blank\" aria-labelledby=\"uael-post-24568\">\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-24568\">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\/fingerprint-resistant-stainless-steel\/\" 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 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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\" 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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\/\" 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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>Stainless steel passivation is a chemical treatment designed to remove free iron and other contaminants from the surface. This process restores the steel\u2019s natural oxide layer, which enhances its corrosion resistance.<\/p>\n<p>Typically, the treatment involves immersing the steel in an acid solution, such as nitric or citric acid, followed by rinsing and drying to ensure a clean and durable surface.<\/p>","protected":false},"author":1,"featured_media":5639,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[21],"class_list":["post-5631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-surface-finish"],"_links":{"self":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts\/5631","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=5631"}],"version-history":[{"count":0,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts\/5631\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media\/5639"}],"wp:attachment":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media?parent=5631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/categories?post=5631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/tags?post=5631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}