{"id":1285,"date":"2026-09-19T14:40:41","date_gmt":"2026-09-19T06:40:41","guid":{"rendered":"https:\/\/juzhousteel.cn\/?p=1285"},"modified":"2026-09-19T14:40:41","modified_gmt":"2026-09-19T06:40:41","slug":"304-stainless-steel-sheets-are-significantly-more-durable-than-201-with-the-core-performance-gap-focused-on-corrosion-resistance-and-long-term-service-life","status":"publish","type":"post","link":"https:\/\/juzhousteel.cn\/?p=1285","title":{"rendered":"304 stainless steel sheets are significantly more durable than 201, with the core performance gap focused on corrosion resistance and long-term service life."},"content":{"rendered":"<p class=\"wp-block-paragraph\">304 stainless steel sheets are significantly more durable than 201, with the core performance gap focused on corrosion resistance and long-term service life.<\/p><p class=\"wp-block-paragraph\">304 stainless steel sheets are significantly more durable than 201, with the core performance gap focused on corrosion resistance and long-term service life.<\/p><h3 class=\"wp-block-heading\">Key Durability Differences<\/h3><ul class=\"wp-block-list\"><li>\u200c<strong>Essential Composition Gap<\/strong>\u200c: 201 stainless steel contains only 3.5%-5.5% nickel and 5.5%-7.5% manganese, while 304 features 8%-10% nickel and 18%-20% chromium. This higher alloy content forms a far more stable rust-resistant passive film on the material surface.<\/li>\n\n<li>\u200c<strong>10\u2013100x Faster Corrosion Rate for 201<\/strong>\u200c: In humid, salt-containing or weak acid\/alkali environments, 201 corrodes 10 to 100 times faster than 304. In coastal areas, kitchen and bathroom spaces, 201 can develop yellow rust spots in just a few days to half a year.<\/li>\n\n<li>\u200c<strong>Huge Performance Gap After Welding<\/strong>\u200c: 304 has excellent intergranular corrosion resistance. 201 is extremely prone to rust at weld seams, making it far more likely to suffer local cracking and premature failure during long-term use.<\/li><\/ul><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"630\" height=\"626\" src=\"https:\/\/juzhousteel.cn\/wp-content\/uploads\/2026\/09\/ScreenShot_2026-09-19_143055_189.jpg\" alt=\"\" class=\"wp-image-1286\" srcset=\"https:\/\/juzhousteel.cn\/wp-content\/uploads\/2026\/09\/ScreenShot_2026-09-19_143055_189.jpg 630w, https:\/\/juzhousteel.cn\/wp-content\/uploads\/2026\/09\/ScreenShot_2026-09-19_143055_189-300x298.jpg 300w, https:\/\/juzhousteel.cn\/wp-content\/uploads\/2026\/09\/ScreenShot_2026-09-19_143055_189-150x150.jpg 150w, https:\/\/juzhousteel.cn\/wp-content\/uploads\/2026\/09\/ScreenShot_2026-09-19_143055_189-600x596.jpg 600w, https:\/\/juzhousteel.cn\/wp-content\/uploads\/2026\/09\/ScreenShot_2026-09-19_143055_189-100x100.jpg 100w\" sizes=\"(max-width: 630px) 100vw, 630px\" \/><\/figure><h3 class=\"wp-block-heading\">Service Life Comparison by Application Scenario<\/h3><ul class=\"wp-block-list\"><li>201 is only suitable for dry, non-corrosive ordinary decoration scenarios, with a normal service life of about 1\u20133 years. It is not recommended for food contact, outdoor, or humid kitchen and bathroom environments.<\/li>\n\n<li>304 can operate stably for more than 10 years in regular indoor spaces, general outdoor areas and fresh water environments. It requires minimal maintenance, and its long-term comprehensive usage cost is far lower than 201.<\/li><\/ul><p class=\"wp-block-paragraph\">If you need to accurately verify the material grade and durability of your existing sheets, you can send samples to a professional material testing lab to run composition and corrosion resistance tests, to avoid purchasing non-compliant products.<\/p>","protected":false},"excerpt":{"rendered":"<p>304 stainless steel sheets are significantly more durab [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-1285","post","type-post","status-publish","format-standard","hentry","category-decor"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=\/wp\/v2\/posts\/1285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1285"}],"version-history":[{"count":1,"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=\/wp\/v2\/posts\/1285\/revisions"}],"predecessor-version":[{"id":1287,"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=\/wp\/v2\/posts\/1285\/revisions\/1287"}],"wp:attachment":[{"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/juzhousteel.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}