{"id":69748,"date":"2026-05-17T17:27:57","date_gmt":"2026-05-17T17:27:57","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/iso-8839\/"},"modified":"2026-05-19T15:30:55","modified_gmt":"2026-05-19T15:30:55","slug":"iso-8839","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/iso-8839\/","title":{"rendered":"ISO 8839"},"content":{"rendered":"<h2>Technical specifications and scope of fasteners according to ISO 8839<\/h2>\n<p>The international standard ISO 8839 establishes requirements for the mechanical properties of general-purpose fasteners, including bolts, screws, studs, and nuts made of non-ferrous metals and their alloys. Engineers at EV Group China use this regulation to ensure the reliability of connections in high-precision instrumentation and power engineering projects.<\/p>\n<p>Main fastener parameters according to ISO 8839:<\/p>\n<ul>\n<li>Nominal thread diameter range (d): from M1.6 to M39.<\/li>\n<li>Metric thread type: ISO standard (according to ISO 231).<\/li>\n<li>Materials: pure copper and copper alloys, technical aluminum and aluminum alloys.<\/li>\n<\/ul>\n<p>It should be noted that the ISO 8839 standard does not establish requirements for the following performance characteristics:<\/p>\n<ul>\n<li>Specific corrosion resistance in aggressive environments.<\/li>\n<li>Normalized electrical conductivity values of the material.<\/li>\n<\/ul>\n<p>Currently, the provisions of the ISO 8839:1986 standard have been integrated into the European specification EN 28839, which is the current basis for designing components made of non-ferrous metals. Specialists at EV Group China are ready to provide expert consultation on selecting fasteners according to your technical specifications.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[120],"class_list":["post-69748","wiki","type-wiki","status-publish","hentry","wiki_category-iso"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69748","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\/69748\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69748"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}