{"id":70184,"date":"2026-05-17T17:30:20","date_gmt":"2026-05-17T17:30:20","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/astm-b709-asme-sb709\/"},"modified":"2026-05-19T15:34:09","modified_gmt":"2026-05-19T15:34:09","slug":"astm-b709-asme-sb709","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/astm-b709-asme-sb709\/","title":{"rendered":"ASTM B709 \/ ASME SB709"},"content":{"rendered":"<h2>Technical regulation and scope of ASTM B709<\/h2>\n<p>\n    The ASTM B709 standard defines strict requirements for the production and quality of flat-rolled products \u2014 plates, sheets, and strips made of iron-nickel-chromium-molybdenum alloy grade UNS N08028. Products are supplied in the solution-annealed condition. The manufacturing technology allows for minor cold working operations (pressing, drawing) exclusively after the final heat treatment stage. The annealing process involves heating to regulated temperatures followed by rapid cooling to achieve an optimal microstructure.\n<\/p>\n<p>\n    EV Group China specialists confirm that the supplied products strictly comply with the chemical composition established by the specification for the following components: nickel, iron, chromium, molybdenum, niobium, carbon, silicon, manganese, phosphorus, sulfur, and copper. Mechanical properties, including ultimate tensile strength, yield strength, elongation, and Rockwell hardness values, undergo mandatory instrumental inspection.\n<\/p>\n<p>\n    EV Group China supplies metal products completely free from surface and internal defects, guaranteeing compliance of geometric parameters with standards for sheets and strips. All analytical methods, including spectral chemical analysis, tensile testing, and corrosion resistance assessment, are performed according to current ASTM protocols.\n<\/p>\n<p>\n    Technical documentation uses inch-pound units as the primary measurement system. Mathematically converted values in the SI system are for reference purposes only.\n<\/p>\n<p>\n    Industrial safety issues regarding the operation of UNS N08028 alloy products are regulated by the Material Safety Data Sheet (MSDS) provided by the manufacturer for each batch of products.\n<\/p>\n<p>\n    <em>Note: The UNS alloy numbering system is in compliance with international standards ASTM E527 and SAE J1086.<\/em><\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[112],"class_list":["post-70184","wiki","type-wiki","status-publish","hentry","wiki_category-astm"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/70184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/70184\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=70184"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=70184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}