{"id":2605,"date":"2026-04-29T17:20:08","date_gmt":"2026-04-29T09:20:08","guid":{"rendered":"https:\/\/jblstainless.com\/?p=2605"},"modified":"2026-04-29T17:30:57","modified_gmt":"2026-04-29T09:30:57","slug":"difference-between-430-stainless-steel-and-304-stainless-steel","status":"publish","type":"post","link":"https:\/\/jblstainless.com\/vi\/difference-between-430-stainless-steel-and-304-stainless-steel\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 430 v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 304"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2605\" class=\"elementor elementor-2605\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-caed30f e-flex e-con-boxed e-con e-parent\" data-id=\"caed30f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-88d57ea elementor-widget elementor-widget-text-editor\" data-id=\"88d57ea\" 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 steels 430 and 304 are commonly used grades. Grade 304 offers better corrosion resistance and higher heat resistance, making it suitable for kitchenware and tableware; while grade 430 is relatively inexpensive and has high hardness, so it is often used for kitchen knives and decorative items. In this blog, let&#8217;s discuss the essential difference between 430 stainless steel and <a href=\"https:\/\/jblstainless.com\/vi\/can-316-stainless-steel-rust\/\">Th\u00e9p kh\u00f4ng g\u1ec9 304<\/a>.<\/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-73b44b3 elementor-widget elementor-widget-text-editor\" data-id=\"73b44b3\" 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><a href=\"https:\/\/jblstainless.com\/vi\/430-stainless-steel-pipe\/\"><span style=\"text-decoration: underline;\"><strong>430 Stainless Steel:<\/strong><\/span><\/a><\/p><p>400 series ferritic stainless steel, it derives its corrosion resistance primarily from 16\u201318% chromium and contains almost no nickel. It is magnetic, has good thermal conductivity, and is easy to form and machine, making it suitable for low- to mid-range indoor or mild environments.<\/p><p><a href=\"https:\/\/jblstainless.com\/vi\/304-stainless-steel-seamless-pipe\/\"><span style=\"text-decoration: underline;\"><strong>304 Stainless Steel:<\/strong><\/span><\/a><\/p><p>Belongs to the 300 series of austenitic stainless steels (commonly known as 18\/8 stainless steel), containing 18\u201320% chromium and 8\u201310.5% nickel, non-magnetic (or weakly magnetic), offers excellent overall performance, making it the most widely used stainless steel grade worldwide.<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-71bf8e4 e-flex e-con-boxed e-con e-parent\" data-id=\"71bf8e4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f6d1679 elementor-widget elementor-widget-heading\" data-id=\"f6d1679\" 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\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 430 v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 304\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae9ab90 elementor-widget elementor-widget-heading\" data-id=\"ae9ab90\" 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\">1.Fundamental Difference: Chemical Composition<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11c58fc elementor-widget elementor-widget-text-editor\" data-id=\"11c58fc\" 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><a href=\"https:\/\/jblstainless.com\/vi\/can-316-stainless-steel-rust\/\">Th\u00e9p kh\u00f4ng g\u1ec9 304<\/a> contains nickel, while 430 contains none\u2014this is the fundamental reason for their differences in performance.<\/p><ul><li>Grade 304: 18% Chromium + 8% Nickel. The nickel creates a stable, ductile &#8220;Austenitic&#8221; structure.<\/li><li>Grade 430: 16-18% Chromium + 0% Nickel. This is a &#8220;Ferritic&#8221; steel, which is inherently magnetic.<\/li><\/ul><table class=\"table\"><tbody><tr><th>Feature<\/th><th><a href=\"https:\/\/jblstainless.com\/vi\/can-316-stainless-steel-rust\/\">304 Stainless Steel<\/a><\/th><th>430 Stainless Steel<\/th><\/tr><tr><td>Chemical Composition<\/td><td>18% Cr + 8% Ni<\/td><td>16-18% Cr + 0% Ni<\/td><\/tr><tr><td>Corrosion Resistance<\/td><td>High (Salt\/Acid resistant)<\/td><td>Moderate (Dry environment)<\/td><\/tr><tr><td>T\u1eeb t\u00ednh<\/td><td>No (Non-magnetic)<\/td><td>Yes (Magnetic)<\/td><\/tr><tr><td>Cost<\/td><td>Higher (Nickel dependent)<\/td><td>Lower (Stable &amp; Economy)<\/td><\/tr><tr><td>Best For<\/td><td>High-temperature Environments, Food, Medical<\/td><td>Appliances, Automotive, Trim<\/td><\/tr><\/tbody><\/table>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5c8eb29 e-flex e-con-boxed e-con e-parent\" data-id=\"5c8eb29\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cea48c elementor-widget elementor-widget-heading\" data-id=\"6cea48c\" 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\">2. Corrosion Resistance\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd04942 elementor-widget elementor-widget-text-editor\" data-id=\"dd04942\" 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>The 8% nickel in 304 provides superior resistance to corrosion and oxidation.<\/p><p><strong>Grade 304<\/strong> offers superior corrosion resistance, performs well in environments exposed to moisture, mild acids, or salt spray and is suitable for outdoor furniture, food processing lines, and surgical tools.<\/p><p><strong>430 stainless steel<\/strong> is highly resistant to oxidation in dry, indoor environments (like your kitchen). However, it is susceptible to pitting in coastal or high-humidity regions. If your product stays indoors and dry, 430 is a perfectly reliable choice.<\/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-46f7187 elementor-widget elementor-widget-text-editor\" data-id=\"46f7187\" 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>Notice:<\/p><p>A simple way to distinguish between 430 and <a href=\"https:\/\/jblstainless.com\/vi\/can-316-stainless-steel-rust\/\">Th\u00e9p kh\u00f4ng g\u1ec9 304<\/a> is to use a magnet. Grade 430 is strongly attracted to magnets. Grade 304 is non-magnetic in its annealed state (though it may become slightly magnetic after heavy cold-working).<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eaae0cc e-flex e-con-boxed e-con e-parent\" data-id=\"eaae0cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-16b96e7 elementor-widget elementor-widget-heading\" data-id=\"16b96e7\" 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\">3. Cost<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4eb40c4 elementor-widget elementor-widget-text-editor\" data-id=\"4eb40c4\" 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<ul><li><strong>430 stainless steel<\/strong>: Lower in price and cost-effective<\/li><li><strong><a href=\"https:\/\/jblstainless.com\/vi\/can-316-stainless-steel-rust\/\">Th\u00e9p kh\u00f4ng g\u1ec9 304<\/a><\/strong>: Higher in price (due to its nickel content)<\/li><\/ul><p>Because nickel is an expensive, volatile commodity on the London Metal Exchange (LME), the price of 304 fluctuates wildly. Grade 430 is a &#8220;nickel-free&#8221; grade, making its price significantly lower and more stable.<\/p><p>In many industrial applications, switching from 304 to 430 can reduce material costs by 30% to 50%.<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-976e673 e-flex e-con-boxed e-con e-parent\" data-id=\"976e673\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-70f0ff9 elementor-widget elementor-widget-heading\" data-id=\"70f0ff9\" 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\">4. Workability<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9d4f1b elementor-widget elementor-widget-text-editor\" data-id=\"f9d4f1b\" 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><strong>4.1 Weldability:<\/strong><\/p><ul><li>304: Easy to weld<\/li><li>430: Difficult to weld; requires preheating and annealing; prone to cracking<\/li><\/ul><p>\u00a0<\/p><p><strong>4.2 Fabrication:<\/strong><\/p><ul><li>304: Better formability<\/li><li>430: General formability<\/li><\/ul>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1f1fb81 e-flex e-con-boxed e-con e-parent\" data-id=\"1f1fb81\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b4570d7 elementor-widget elementor-widget-heading\" data-id=\"b4570d7\" 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\">5. Application<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69af240 elementor-widget elementor-widget-heading\" data-id=\"69af240\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Choose 304 For:<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-940a0bd elementor-widget elementor-widget-text-editor\" data-id=\"940a0bd\" 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<ul><li>Food &amp; Beverage: Storage tanks, brewery equipment, milk processing.<\/li><li>Medical: Surgical instruments, sterilization trays.<\/li><li>Architecture: Coastal handrails, exterior cladding, roofing.<\/li><li>Chemical: Pressure vessels and piping for corrosive chemicals.<\/li><\/ul>\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-4ea1326 elementor-widget elementor-widget-heading\" data-id=\"4ea1326\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Choose 430 For:\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-679393a elementor-widget elementor-widget-text-editor\" data-id=\"679393a\" 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<ul><li>Home Appliances: Refrigerator panels, dishwasher liners, washing machine drums.<\/li><li>Automotive: Exhaust system components, decorative trim strips.<\/li><li>Interior Design: Elevator panels, kickplates, indoor furniture accents.<\/li><li>Housewares: Budget cutlery, sink bowls (indoor).<\/li><\/ul>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0bf43ef e-flex e-con-boxed e-con e-parent\" data-id=\"0bf43ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fff8e0c elementor-widget elementor-widget-heading\" data-id=\"fff8e0c\" 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\">How to Choose 430 Stainless Steel and 304 Stainless Steel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d0de2e elementor-widget elementor-widget-text-editor\" data-id=\"5d0de2e\" 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><strong>Choose 430<\/strong>: For applications with limited budgets, interior decoration, low requirements for corrosion resistance, and good thermal conductivity.<\/p><p><strong>Choose 304:<\/strong> For food-contact equipment, outdoor or humid environments, high requirements for corrosion resistance and long-term durability for key components.<\/p><div>Contact us, we will help you analyze your application environment to ensure you get the maximum value.<\/div>\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\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 304 ch\u1ee9a niken, trong khi th\u00e9p kh\u00f4ng g\u1ec9 430 kh\u00f4ng ch\u1ee9a niken \u2014 \u0111\u00e2y ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n c\u01a1 b\u1ea3n d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u00ednh n\u0103ng c\u1ee7a hai lo\u1ea1i th\u00e9p n\u00e0y.<\/p>","protected":false},"author":1,"featured_media":2608,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-2605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/comments?post=2605"}],"version-history":[{"count":2,"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2605\/revisions"}],"predecessor-version":[{"id":2607,"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2605\/revisions\/2607"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/media\/2608"}],"wp:attachment":[{"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/media?parent=2605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/categories?post=2605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jblstainless.com\/vi\/wp-json\/wp\/v2\/tags?post=2605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}