{"id":982,"date":"2026-04-12T23:09:03","date_gmt":"2026-04-13T03:09:03","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=982"},"modified":"2026-04-17T01:46:43","modified_gmt":"2026-04-17T05:46:43","slug":"steel-flange-materials-guide-carbon-stainless-and-alloy-selection","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/vi\/2026\/04\/12\/steel-flange-materials-guide-carbon-stainless-and-alloy-selection\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u1ec1 v\u1eadt li\u1ec7u m\u1eb7t b\u00edch th\u00e9p: L\u1ef1a ch\u1ecdn th\u00e9p cacbon, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 th\u00e9p h\u1ee3p kim"},"content":{"rendered":"<h2>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u m\u1eb7t b\u00edch ph\u00f9 h\u1ee3p<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. L\u1ef1a ch\u1ecdn sai l\u1ea7m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c s\u1edbm, \u0103n m\u00f2n v\u00e0 c\u00e1c s\u1ef1 c\u1ed1 an to\u00e0n.<\/p>\n<h2>M\u1eb7t b\u00edch th\u00e9p carbon<\/h2>\n<h3>ASTM A105<\/h3>\n<p>M\u00e1y m\u00f3c ch\u1ee7 l\u1ef1c trong ng\u00e0nh d\u00e0nh cho c\u00e1c d\u1ecbch v\u1ee5 t\u1ed5ng h\u1ee3p.<\/p>\n<ul>\n<li>\u1ee8ng d\u1ee5ng: \u0110\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u\/kh\u00ed \u0111\u1ed1t, h\u00f3a d\u1ea7u, s\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9: -20\u00b0F \u0111\u1ebfn 800\u00b0F<\/li>\n<li>\u0110\u1ed9 b\u1ec1n k\u00e9o: t\u1ed1i thi\u1ec3u 70.000 psi<\/li>\n<\/ul>\n<h3>ASTM A350 LF2<\/h3>\n<p>Th\u1eed nghi\u1ec7m Charpy \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n<ul>\n<li>\u1ee8ng d\u1ee5ng: Kh\u00ed t\u1ef1 nhi\u00ean h\u00f3a l\u1ecfng (LNG), c\u00f4ng ngh\u1ec7 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p, m\u00f4i tr\u01b0\u1eddng kh\u00ed h\u1eadu l\u1ea1nh<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9: -50\u00b0F \u0111\u1ebfn 800\u00b0F<\/li>\n<\/ul>\n<h2>M\u1eb7t b\u00edch th\u00e9p kh\u00f4ng g\u1ec9<\/h2>\n<h3>304\/304L (F304\/F304L)<\/h3>\n<ul>\n<li>L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng: Th\u1ef1c ph\u1ea9m\/\u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m, h\u00f3a ch\u1ea5t<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed5ng qu\u00e1t r\u1ea5t t\u1ed1t<\/li>\n<\/ul>\n<h3>316\/316L (F316\/F316L)<\/h3>\n<ul>\n<li>\u1ee8ng d\u1ee5ng: Ngo\u00e0i kh\u01a1i, n\u01b0\u1edbc bi\u1ec3n, h\u00e0ng h\u1ea3i<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n do clorua v\u01b0\u1ee3t tr\u1ed9i (2-3% Moly)<\/li>\n<\/ul>\n<h2>M\u1eb7t b\u00edch th\u00e9p h\u1ee3p kim<\/h2>\n<h3>Chrome-Moly (F11, F22, F91)<\/h3>\n<ul>\n<li>F11: Nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 1000\u00b0F, \u0111\u01b0\u1eddng \u1ed1ng h\u01a1i n\u01b0\u1edbc<\/li>\n<li>F22: Nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 1100\u00b0F, h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao<\/li>\n<li>F91: Nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 1200\u00b0F, nh\u00e0 m\u00e1y si\u00eau t\u1edbi h\u1ea1n<\/li>\n<\/ul>\n<h2>V\u1eadt li\u1ec7u chuy\u00ean d\u1ee5ng<\/h2>\n<ul>\n<li><strong>C\u0103n h\u1ed9 hai t\u1ea7ng (2205, 2507):<\/strong> N\u01b0\u1edbc bi\u1ec3n ngo\u00e0i kh\u01a1i, kh\u1eed m\u1eb7n<\/li>\n<li><strong>H\u1ee3p kim niken:<\/strong> Inconel, Hastelloy d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n kh\u1eafc nghi\u1ec7t<\/li>\n<\/ul>\n<h2>C\u00e1c y\u1ebfu t\u1ed1 l\u1ef1a ch\u1ecdn<\/h2>\n<ol>\n<li>\u0110\u1ed9 \u0103n m\u00f2n c\u1ee7a ch\u1ea5t l\u1ecfng qu\u00e1 tr\u00ecnh<\/li>\n<li>Nhi\u1ec7t \u0111\u1ed9\/\u00e1p su\u1ea5t ho\u1ea1t \u0111\u1ed9ng<\/li>\n<li>M\u00f4i tr\u01b0\u1eddng (ven bi\u1ec3n, c\u00f4ng nghi\u1ec7p)<\/li>\n<li>Tu\u1ed5i th\u1ecd thi\u1ebft k\u1ebf v\u00e0 t\u1ed5ng chi ph\u00ed<\/li>\n<\/ol>\n<h2>C\u00e1c kh\u1ea3 n\u0103ng c\u1ee7a Songhai<\/h2>\n<ul>\n<li>Th\u00e9p carbon: A105, A350 LF2, A694<\/li>\n<li>Th\u00e9p kh\u00f4ng g\u1ec9: 304\/304L, 316\/316L, 321, 347<\/li>\n<li>C\u0103n h\u1ed9 hai t\u1ea7ng: 2205, 2507<\/li>\n<li>H\u1ee3p kim: F11, F22, F91<\/li>\n<li>Niken: Inconel 625, Hastelloy C276<\/li>\n<\/ul>\n<p>T\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 s\u1eb5n v\u1edbi ch\u1ee9ng nh\u1eadn MTR v\u00e0 PED\/NACE.<\/p>\n<p><strong>WhatsApp:<\/strong>\u00a0+86-18658777855<br \/>\n<strong>Email:<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Choosing the Right Flange Material Material selection is critical. Wrong choice leads to premature failure, corrosion, and safety incidents. Carbon Steel Flanges ASTM A105 Industry workhorse for general service. Applications: Oil\/gas pipelines, petrochemical, power generation Temperature: -20F to 800F Tensile: 70,000 psi min ASTM A350 LF2 Low-temperature with Charpy testing. Applications: LNG, cryogenic, cold climate [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[77,66,80,79,78],"class_list":["post-982","post","type-post","status-publish","format-standard","hentry","category-blog","tag-carbon","tag-flange","tag-forged","tag-material","tag-stainless"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/comments?post=982"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/982\/revisions"}],"predecessor-version":[{"id":986,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/982\/revisions\/986"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/media?parent=982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/categories?post=982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/tags?post=982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}