{"id":982,"date":"2026-04-12T23:09:03","date_gmt":"2026-04-13T03:09:03","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=982"},"modified":"2026-04-12T23:19:50","modified_gmt":"2026-04-13T03:19:50","slug":"steel-flange-materials-guide-carbon-stainless-and-alloy-selection","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/ar\/2026\/04\/12\/steel-flange-materials-guide-carbon-stainless-and-alloy-selection\/","title":{"rendered":"\u062f\u0644\u064a\u0644 \u0645\u0648\u0627\u062f \u0634\u0641\u0629 \u0627\u0644\u0635\u0644\u0628 \u062f\u0644\u064a\u0644 \u0645\u0648\u0627\u062f \u0634\u0641\u0629 \u0627\u0644\u0635\u0644\u0628 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u063a\u064a\u0631 \u0627\u0644\u0642\u0627\u0628\u0644 \u0644\u0644\u0635\u062f\u0623 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0633\u0628\u0627\u0626\u0643"},"content":{"rendered":"<h2>Choosing the Right Flange Material<\/h2>\n<p>Material selection is critical. Wrong choice leads to premature failure, corrosion, and safety incidents.<\/p>\n<h2>Carbon Steel Flanges<\/h2>\n<h3>ASTM A105<\/h3>\n<p>Industry workhorse for general service.<\/p>\n<ul>\n<li>Applications: Oil\/gas pipelines, petrochemical, power generation<\/li>\n<li>Temperature: -20F to 800F<\/li>\n<li>Tensile: 70,000 psi min<\/li>\n<\/ul>\n<h3>ASTM A350 LF2<\/h3>\n<p>Low-temperature with Charpy testing.<\/p>\n<ul>\n<li>Applications: LNG, cryogenic, cold climate<\/li>\n<li>Temperature: -50F to 800F<\/li>\n<\/ul>\n<h2>Stainless Steel Flanges<\/h2>\n<h3>304\/304L (F304\/F304L)<\/h3>\n<ul>\n<li>Applications: Food\/beverage, pharmaceutical, chemical<\/li>\n<li>Excellent general corrosion resistance<\/li>\n<\/ul>\n<h3>316\/316L (F316\/F316L)<\/h3>\n<ul>\n<li>Applications: Offshore, seawater, marine<\/li>\n<li>Superior chloride resistance (2-3% Moly)<\/li>\n<\/ul>\n<h2>Alloy Steel Flanges<\/h2>\n<h3>Chrome-Moly (F11, F22, F91)<\/h3>\n<ul>\n<li>F11: Up to 1000F, steam lines<\/li>\n<li>F22: Up to 1100F, high-pressure steam<\/li>\n<li>F91: Up to 1200F, ultra-supercritical plants<\/li>\n<\/ul>\n<h2>Specialty Materials<\/h2>\n<ul>\n<li><strong>Duplex (2205, 2507):<\/strong> Offshore seawater, desalination<\/li>\n<li><strong>Nickel Alloys:<\/strong> Inconel, Hastelloy for extreme corrosion<\/li>\n<\/ul>\n<h2>Selection Factors<\/h2>\n<ol>\n<li>Process fluid corrosivity<\/li>\n<li>Operating temperature\/pressure<\/li>\n<li>Environment (coastal, industrial)<\/li>\n<li>Design life and total cost<\/li>\n<\/ol>\n<h2>Songhai Capabilities<\/h2>\n<ul>\n<li>Carbon: A105, A350 LF2, A694<\/li>\n<li>Stainless: 304\/304L, 316\/316L, 321, 347<\/li>\n<li>Duplex: 2205, 2507<\/li>\n<li>Alloy: F11, F22, F91<\/li>\n<li>Nickel: Inconel 625, Hastelloy C276<\/li>\n<\/ul>\n<p>All materials with MTRs and PED\/NACE certification available.<\/p>\n<p><strong>\u0648\u0627\u062a\u0633\u0627\u0628:<\/strong>\u00a0+86-18658777855<br \/>\n<strong>\u0627\u0644\u0628\u0631\u064a\u062f \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a:<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\"><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\" 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>\u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0627\u062f\u0629 \u0627\u0644\u0634\u0641\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0627\u062f\u0629 \u0627\u0644\u0634\u0641\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0623\u0645\u0631 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629. \u064a\u0624\u062f\u064a \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062e\u0627\u0637\u0626 \u0625\u0644\u0649 \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0628\u0643\u0631 \u0648\u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u062d\u0648\u0627\u062f\u062b \u0627\u0644\u0633\u0644\u0627\u0645\u0629. \u0627\u0644\u0641\u0644\u0646\u062c\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u064a ASTM A105 \u0627\u0644\u0639\u0645\u0648\u062f \u0627\u0644\u0641\u0642\u0631\u064a \u0644\u0644\u0635\u0646\u0627\u0639\u0629 \u0644\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0639\u0627\u0645\u0629. \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a: \u062e\u0637\u0648\u0637 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0646\u0641\u0637\/\u0627\u0644\u063a\u0627\u0632 \u0648\u0627\u0644\u0628\u062a\u0631\u0648\u0643\u064a\u0645\u0627\u0648\u064a\u0627\u062a \u0648\u062a\u0648\u0644\u064a\u062f \u0627\u0644\u0637\u0627\u0642\u0629 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629: -20 \u0641\u0647\u0631\u0646\u0647\u0627\u064a\u062a \u0625\u0644\u0649 800 \u0641\u0647\u0631\u0646\u0647\u0627\u064a\u062a \u0627\u0644\u0634\u062f: 70,000 \u0631\u0637\u0644 \u0641\u064a \u0627\u0644\u0628\u0648\u0635\u0629 \u0627\u0644\u0645\u0631\u0628\u0639\u0629 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629 ASTM A350 LF2 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0639 \u0627\u062e\u062a\u0628\u0627\u0631 \u062a\u0634\u0627\u0631\u0628\u064a. \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a: \u0627\u0644\u063a\u0627\u0632 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0627\u0644\u0645\u064f\u0633\u0627\u0644 \u0648\u0627\u0644\u0645\u0628\u0631\u062f \u0648\u0627\u0644\u0645\u0646\u0627\u062e \u0627\u0644\u0628\u0627\u0631\u062f [...].<\/p>","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":[],"class_list":["post-982","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/posts\/982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/comments?post=982"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/posts\/982\/revisions"}],"predecessor-version":[{"id":986,"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/posts\/982\/revisions\/986"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/media?parent=982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/categories?post=982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/ar\/wp-json\/wp\/v2\/tags?post=982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}