{"id":69894,"date":"2026-05-17T17:28:43","date_gmt":"2026-05-17T17:28:43","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/astm-b43\/"},"modified":"2026-05-19T15:32:00","modified_gmt":"2026-05-19T15:32:00","slug":"astm-b43","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/astm-b43\/","title":{"rendered":"ASTM B43"},"content":{"rendered":"<h2>Specification and Purpose of ASTM B43 Seamless Pipes<\/h2>\n<p>This technical documentation regulates the requirements for the production and operation of seamless red brass (tombac) pipes of the UNS C23000 grade, produced in NPS dimensional standards (standard and extra-strong series). Products supplied by EV Group China undergo strict quality control in accordance with international protocols.<\/p>\n<p>Depending on the material condition, the pipes find the following applications:<\/p>\n<ul>\n<li><strong>Condition O61 (annealed):<\/strong> An optimal solution for water supply systems, heat exchange equipment, and boiler feed pipelines where high corrosion resistance and ductility are required.<\/li>\n<li><strong>Condition H58 (drawn):<\/strong> A product with increased strength characteristics designed for use in architectural structures, civil engineering elements, handrails, railings, and decorative elements where surface aesthetics and wear resistance are important.<\/li>\n<\/ul>\n<p>EV Group China ensures the supply of ASTM B43 pipe products, guaranteeing full compliance of chemical composition and mechanical properties with standard requirements for critical engineering tasks.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[112],"class_list":["post-69894","wiki","type-wiki","status-publish","hentry","wiki_category-astm"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69894","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\/69894\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69894"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}