{"id":7013,"date":"2025-10-09T13:06:32","date_gmt":"2025-10-09T05:06:32","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7013"},"modified":"2026-06-23T13:07:34","modified_gmt":"2026-06-23T05:07:34","slug":"stainless-steel-fasteners-for-harsh-environments-when-to-choose-304-or-316","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/stainless-steel-fasteners-for-harsh-environments-when-to-choose-304-or-316\/","title":{"rendered":"Ch\u1ed1t th\u00e9p kh\u00f4ng g\u1ec9 cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t: Khi n\u00e0o n\u00ean ch\u1ecdn 304 ho\u1eb7c 316"},"content":{"rendered":"<p>N\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean mua \u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9, ch\u1eafc ch\u1eafn b\u1ea1n \u0111\u00e3 nghe c\u00e2u h\u1ecfi t\u01b0\u01a1ng t\u1ef1 nhi\u1ec1u l\u1ea7n: \u201cC\u00f3 \u0111\u1ee7 kh\u00f4ng, hay ch\u00fang ta n\u00ean tr\u1ea3 ti\u1ec1n cho 316?\u201d (304)<\/p>\n\n\n\n<p>C\u00e2u tr\u1ea3 l\u1eddi trung th\u1ef1c l\u00e0: n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng. S\u1ee9c m\u1ea1nh th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n l\u00e0.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">304 so v\u1edbi 316 Ch\u1ed1t th\u00e9p kh\u00f4ng g\u1ec9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf<\/h3>\n\n\n\n<p>304 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 A2 trong nhi\u1ec1u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t. 316 th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 A4. N\u00e2ng c\u1ea5p quan tr\u1ecdng trong 316 l\u00e0 molypden, gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n clorua. (ISO)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1ee5c<\/th><th>304 \/ A2 kh\u00f4ng g\u1ec9<\/th><th>316 \/ A4 kh\u00f4ng g\u1ec9<\/th><\/tr><\/thead><tbody><tr><td>\u01afu \u0111i\u1ec3m ch\u00ednh<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n chung t\u1ed1t<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 v\u00e0 clorua t\u1ed1t h\u01a1n<\/td><\/tr><tr><td>s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/td><td>Thi\u1ebft b\u1ecb trong nh\u00e0, khu v\u1ef1c ngo\u00e0i tr\u1eddi s\u1ea1ch s\u1ebd<\/td><td>Ven bi\u1ec3n, bi\u1ec3n, h\u00f3a ch\u1ea5t, n\u01b0\u1edbc th\u1ea3i<\/td><\/tr><tr><td>Chi ph\u00ed<\/td><td>H\u1ea1 xu\u1ed1ng<\/td><td>Cao h\u01a1n<\/td><\/tr><tr><td>C\u00e1c l\u1edbp ph\u1ed5 bi\u1ebfn<\/td><td>A2-70, ASTM F593 304<\/td><td>A4-70, A4-80, ASTM F593 316<\/td><\/tr><tr><td>R\u1ee7i ro ch\u00ednh<\/td><td>R\u1ed7 khi ti\u1ebfp x\u00fac v\u1edbi mu\u1ed1i ho\u1eb7c clorua<\/td><td>Chi ph\u00ed cao h\u01a1n n\u1ebfu \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh qu\u00e1 m\u1ee9c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i v\u00e0 lo\u1ea1i s\u1ea3n ph\u1ea9m c\u00f3 s\u1eb5n, h\u00e3y xem l\u1ea1i <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi 304 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng 304 cho t\u00ecnh tr\u1ea1ng nh\u1eb9<\/h3>\n\n\n\n<p>304 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf n\u01a1i ti\u1ebfp x\u00fac v\u1edbi s\u1ef1 \u0103n m\u00f2n \u1edf m\u1ee9c v\u1eeba ph\u1ea3i. T\u00f4i th\u01b0\u1eddng ch\u1ecdn n\u00f3 v\u00ec:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e1y m\u00f3c trong nh\u00e0<\/li>\n\n\n\n<li>T\u1ee7 \u0111i\u1ec7n<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb th\u1ef1c ph\u1ea9m \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch nh\u1eb9<\/li>\n\n\n\n<li>Ph\u1ea7n c\u1ee9ng ki\u1ebfn tr\u00fac<\/li>\n\n\n\n<li>C\u1ea5u tr\u00fac ngo\u00e0i tr\u1eddi kh\u00f4<\/li>\n\n\n\n<li>L\u1eafp r\u00e1p c\u00f4ng nghi\u1ec7p t\u1ed5ng h\u1ee3p<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u00f3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ch\u1eafc ch\u1eafn khi chi ti\u1ebft si\u1ebft ch\u1eb7t kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi b\u1ee5i mu\u1ed1i, mu\u1ed1i l\u00e0m tan b\u0103ng, n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c c\u00e1c h\u00f3a ch\u1ea5t kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi 316 \u0111\u00e1ng gi\u00e1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng 316 khi ti\u1ebfp x\u00fac v\u1edbi clorua v\u00e0 kh\u1eafc nghi\u1ec7t<\/h3>\n\n\n\n<p>316 l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n khi h\u01b0 h\u1ecfng \u0111\u1ed3ng ngh\u0129a v\u1edbi chi ph\u00ed thay th\u1ebf cao, th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c r\u1ee7i ro v\u1ec1 an to\u00e0n.<\/p>\n\n\n\n<p>Ch\u1ecdn 316 cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>X\u00e2y d\u1ef1ng ven bi\u1ec3n<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i<\/li>\n\n\n\n<li>N\u1ec1n t\u1ea3ng ngo\u00e0i kh\u01a1i<\/li>\n\n\n\n<li>X\u1eed l\u00fd h\u00f3a h\u1ecdc<\/li>\n\n\n\n<li>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/li>\n\n\n\n<li>Ch\u1ebf bi\u1ebfn h\u1ea3i s\u1ea3n v\u00e0 s\u1eefa<\/li>\n\n\n\n<li>C\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac v\u1edbi mu\u1ed1i \u0111\u01b0\u1eddng<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ec3 so s\u00e1nh \u0111i\u1ec3m s\u00e2u h\u01a1n, h\u00e3y xem h\u01b0\u1edbng d\u1eabn n\u00e0y tr\u00ean <a href=\"https:\/\/xzfastener.com\/vi\/304-vs-316-stainless-steel-bolts-which-one-is-better\/\">304 so v\u1edbi 316 bu l\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1eebng qu\u00ean l\u1eafp r\u00e1p \u0111\u1ea7y \u0111\u1ee7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00f9 h\u1ee3p v\u1edbi bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m<\/h3>\n\n\n\n<p>M\u1ed9t bu l\u00f4ng c\u00f3 \u0111ai \u1ed1c k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c kh\u00f4ng kh\u1edbp kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn l\u1eafp r\u00e1p \u0111\u00e1ng tin c\u1eady. Gi\u1eef cho nh\u00f3m v\u1eadt li\u1ec7u v\u00e0 l\u1edbp s\u1ee9c m\u1ea1nh nh\u1ea5t qu\u00e1n. (316)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>B\u1ed9 chi ti\u1ebft si\u1ebft ch\u1eb7t<\/th><th>Tr\u1eadn \u0111\u1ea5u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/th><\/tr><\/thead><tbody><tr><td>304 bu l\u00f4ng<\/td><td>\u0110ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m 304\/A2<\/td><\/tr><tr><td>316 bu l\u00f4ng<\/td><td>\u0110ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m 316\/A4<\/td><\/tr><tr><td>A4-80 bu l\u00f4ng<\/td><td>\u0110ai \u1ed1c A4 c\u01b0\u1eddng \u0111\u1ed9 cao t\u01b0\u01a1ng th\u00edch<\/td><\/tr><tr><td>Bu l\u00f4ng kh\u00f4ng g\u1ec9 tr\u00ean nh\u00f4m<\/td><td>Xem x\u00e9t v\u00f2ng \u0111\u1ec7m c\u00e1ch ly \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 \u0111i\u1ec7n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 t\u00ecm ngu\u1ed3n cung \u1ee9ng l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh, h\u00e3y ki\u1ec3m tra <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/bolts\/\">bu l\u00f4ng<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/nuts\/\">\u0111ai \u1ed1c<\/a> c\u00f9ng nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean mua h\u00e0ng cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>\u0110\u1eebng mua \u201cth\u00e9p kh\u00f4ng g\u1ec9\u201d m\u00e0 kh\u00f4ng n\u00eau t\u00ean lo\u1ea1i. Ghi r\u00f5 304\/A2 ho\u1eb7c 316\/A4 tr\u00ean \u0111\u01a1n h\u00e0ng.<\/p>\n\n\n\n<p>S\u1eed d\u1ee5ng 304 khi m\u00f4i tr\u01b0\u1eddng s\u1ea1ch s\u1ebd v\u00e0 \u00f4n h\u00f2a. S\u1eed d\u1ee5ng 316 khi mu\u1ed1i, h\u00f3a ch\u1ea5t, \u0111\u1ed9 \u1ea9m ho\u1eb7c vi\u1ec7c b\u1ea3o tr\u00ec tr\u1edf th\u00e0nh m\u1ed1i lo ng\u1ea1i th\u1ef1c s\u1ef1. Chi ti\u1ebft si\u1ebft ch\u1eb7t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 t\u1ed1t nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u1eaft nh\u1ea5t. N\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng ph\u00f9 h\u1ee3p v\u1edbi trang web vi\u1ec7c l\u00e0m.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you buy stainless steel fasteners often, you have probably heard the same question many times: \u201cIs 304 enough, or should we pay for 316?\u201d The honest answer is: it depends on the environment. Strength is usually not the big difference. Corrosion resistance is. 304 vs 316 Stainless Steel Fasteners The Practical Difference 304 stainless [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[479],"tags":[507],"class_list":["post-7013","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-working-conditions-environment-selection"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=7013"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7013\/revisions"}],"predecessor-version":[{"id":7014,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7013\/revisions\/7014"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}