{"id":69928,"date":"2026-05-17T17:28:55","date_gmt":"2026-05-17T17:28:55","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/en-iso-683\/"},"modified":"2026-05-19T15:32:17","modified_gmt":"2026-05-19T15:32:17","slug":"en-iso-683","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/en-iso-683\/","title":{"rendered":"EN ISO 683"},"content":{"rendered":"

Industry Standards EN ISO 683: Technical Delivery Conditions for Steel Products<\/h2>\n

The EN ISO 683 series of standards defines comprehensive requirements for quality, chemical composition, heat treatment methods, and delivery conditions for alloy, non-alloy, and special steels intended for highly loaded machinery and mechanism components.<\/p>\n

EN ISO 683-1: Non-alloy steels for quenching and tempering<\/h2>\n

This part regulates the production of semi-finished products, bars, and rods intended for critical parts subjected to through-hardening and tempering or surface hardening (induction, flame). EV Group China supplies products that comply with these requirements, ensuring the stability of the physical and mechanical properties of the components.<\/p>\n

EN ISO 683-2: Alloy steels for quenching and tempering<\/h2>\n

This standard describes requirements for alloy steels with enhanced hardenability and toughness. These grades serve as the basis for manufacturing components operating under significant cyclic loads. EV Group China ensures quality control of every batch according to ISO 683-2 specifications.<\/p>\n

EN ISO 683-3: Case-hardening steels<\/h2>\n

This section establishes parameters for steels intended for thermochemical treatment (carburizing). The use of these grades allows for the creation of parts with high surface hardness and a tough core, which is critical for gears, shafts, and axles.<\/p>\n

EN ISO 683-4: Free-cutting steels<\/h2>\n

The standard covers a wide range of bars and wire rods intended for high-speed machining on automatic lathes. A specific chemical composition ensures optimal chip breaking and increases the service life of cutting tools. EV Group China offers a product range adapted to the modern requirements of high-performance manufacturing.<\/p>\n

EN ISO 683-5: Nitriding steels<\/h2>\n

Specifications for materials subjected to nitriding to achieve high surface hardness and wear resistance. These steels are used in the production of precision friction pairs operating under high temperatures and aggressive environments.<\/p>\n

EN ISO 683-15: Valve steels for internal combustion engines<\/h2>\n

Technical requirements for high-alloy steels for intake and exhaust valves of internal combustion engines. EV Group China products are characterized by high heat resistance and resistance to erosive wear during prolonged operation.<\/p>\n

EN ISO 683-17: Ball and roller bearing steels<\/h2>\n

The standard establishes strict norms for steels used in the production of ball and roller bearings. It includes through-hardening, case-hardening, stainless, and heat-resistant alloys for operation under extreme rotational conditions.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[120],"class_list":["post-69928","wiki","type-wiki","status-publish","hentry","wiki_category-iso"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69928","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\/69928\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69928"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}