{"id":70210,"date":"2026-05-17T17:30:30","date_gmt":"2026-05-17T17:30:30","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/astm-b424-asme-sb424\/"},"modified":"2026-05-19T15:34:23","modified_gmt":"2026-05-19T15:34:23","slug":"astm-b424-asme-sb424","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/astm-b424-asme-sb424\/","title":{"rendered":"ASTM B424 \/ ASME SB424"},"content":{"rendered":"<h2>Technical Overview of the ASTM B424 Standard for Nickel Alloys<\/h2>\n<p>This specification establishes strict requirements for mill products made of nickel-iron-chromium-molybdenum-copper alloys, including UNS N08825 and UNS N08221 grades. The standard covers hot and cold working processes, regulating the production of plate, sheet, strip, and finished cold-drawn products.<\/p>\n<p>EV Group China ensures the supply of products whose chemical composition and physical-mechanical characteristics fully comply with ASTM standards. Quality control includes mandatory spectral analysis, tensile testing, and verification of geometric parameters for compliance with established tolerances.<\/p>\n<p>In technical documentation, inch-pound units are the priority. Metric values provided in parentheses are for reference purposes to facilitate the adaptation of project documentation. Safety when handling finished products is ensured by following the protocols outlined in the current Material Safety Data Sheets (MSDS) from EV Group China.<\/p>\n<h3>Regulatory Supplements<\/h3>\n<ul>\n<li>Alloys classified under ASTM B424 meet the requirements of ASME SB-424, allowing their use in the manufacture of boilers and pressure vessels (according to ASME Section II).<\/li>\n<li>The Unified Numbering System (UNS) for alloys is based on the unified methodology of ASTM E527 and SAE J1086, which ensures accurate identification of metal grades in the international market.<\/li>\n<\/ul>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[112],"class_list":["post-70210","wiki","type-wiki","status-publish","hentry","wiki_category-astm"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/70210","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\/70210\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=70210"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=70210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}