{"id":70034,"date":"2026-05-17T17:29:29","date_gmt":"2026-05-17T17:29:29","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/en-10083\/"},"modified":"2026-05-19T15:33:03","modified_gmt":"2026-05-19T15:33:03","slug":"en-10083","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/en-10083\/","title":{"rendered":"EN 10083"},"content":{"rendered":"<h2>Technical Standard EN 10083: Quenched and Tempered Steels<\/h2>\n<p>The EN 10083 standard is a fundamental document for the metallurgical industry, defining technical delivery conditions for high-quality steels intended for heat treatment. EV Group China experts ensure the supply of rolled steel that fully complies with these specifications, guaranteeing consistency in mechanical properties and chemical composition.<\/p>\n<h2 id=\"1\">EN 10083-1: General Technical Delivery Conditions<\/h2>\n<p>This part of the international standard establishes unified requirements for the delivery of semi-finished products, long products, and forgings. Key product forms supplied by EV Group China include:<\/p>\n<ul>\n<li>Hot-rolled billets, slabs, and bars;<\/li>\n<li>Rod and sheet metal products;<\/li>\n<li>Forgings and strip steel.<\/li>\n<\/ul>\n<p>Steels classified under EN 10083-1 are intended for critical mechanical engineering applications. Special attention is paid to quality and special steels, with the latter subject to strict limits on non-metallic inclusion content, phosphorus, and sulfur, as well as standardized hardenability indices according to the Jominy method.<\/p>\n<h2 id=\"2\">EN 10083-2: Technical Delivery Conditions for Non-Alloy Steels<\/h2>\n<p>The standard regulates requirements for non-alloy structural steels subjected to quenching and tempering or induction hardening. The table below presents the main grades available for order at EV Group China:<\/p>\n<table class=\"table table-bordered table-hover\">\n<thead>\n<tr>\n<th>Grade<\/th>\n<th>EN Number<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C35<\/td>\n<td>1.0501<\/td>\n<\/tr>\n<tr>\n<td>C40<\/td>\n<td>1.0511<\/td>\n<\/tr>\n<tr>\n<td>C45<\/td>\n<td>1.0503<\/td>\n<\/tr>\n<tr>\n<td>C55<\/td>\n<td>1.0535<\/td>\n<\/tr>\n<tr>\n<td>C60<\/td>\n<td>1.0601<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Special Steels<\/strong><\/td>\n<\/tr>\n<tr>\n<td>C22E<\/td>\n<td>1.1151<\/td>\n<\/tr>\n<tr>\n<td>C22R<\/td>\n<td>1.1149<\/td>\n<\/tr>\n<tr>\n<td>C35E<\/td>\n<td>1.1181<\/td>\n<\/tr>\n<tr>\n<td>C35R<\/td>\n<td>1.1180<\/td>\n<\/tr>\n<tr>\n<td>C40E<\/td>\n<td>1.1186<\/td>\n<\/tr>\n<tr>\n<td>C40R<\/td>\n<td>1.1189<\/td>\n<\/tr>\n<tr>\n<td>C45E<\/td>\n<td>1.1191<\/td>\n<\/tr>\n<tr>\n<td>C45R<\/td>\n<td>1.1201<\/td>\n<\/tr>\n<tr>\n<td>C50E<\/td>\n<td>1.1206<\/td>\n<\/tr>\n<tr>\n<td>C50R<\/td>\n<td>1.1241<\/td>\n<\/tr>\n<tr>\n<td>C55E<\/td>\n<td>1.1203<\/td>\n<\/tr>\n<tr>\n<td>C55R<\/td>\n<td>1.1209<\/td>\n<\/tr>\n<tr>\n<td>C60E<\/td>\n<td>1.1221<\/td>\n<\/tr>\n<tr>\n<td>C60R<\/td>\n<td>1.1223<\/td>\n<\/tr>\n<tr>\n<td>28Mn6<\/td>\n<td>1.1170<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"3\">EN 10083-3: Technical Delivery Conditions for Boron Steels<\/h2>\n<p>The EN 10083-3 specification covers alloy steels, including those with boron (B) additions, which are characterized by increased hardenability. These materials are in high demand for the production of load-bearing components in machines and mechanisms.<\/p>\n<table class=\"table table-bordered table-hover\">\n<thead>\n<tr>\n<th>Grade<\/th>\n<th>EN Number<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td colspan=\"2\"><strong>Steels without Boron<\/strong><\/td>\n<\/tr>\n<tr>\n<td>38Cr2<\/td>\n<td>1.7003<\/td>\n<\/tr>\n<tr>\n<td>41Cr4<\/td>\n<td>1.7035<\/td>\n<\/tr>\n<tr>\n<td>42CrMo4<\/td>\n<td>1.7225<\/td>\n<\/tr>\n<tr>\n<td>34CrNiMo6<\/td>\n<td>1.6582<\/td>\n<\/tr>\n<tr>\n<td>51CrV4<\/td>\n<td>1.8159<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Steels with Boron (B)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>20MnB5<\/td>\n<td>1.5530<\/td>\n<\/tr>\n<tr>\n<td>30MnB5<\/td>\n<td>1.5531<\/td>\n<\/tr>\n<tr>\n<td>38MnB5<\/td>\n<td>1.5532<\/td>\n<\/tr>\n<tr>\n<td>27MnCrB5-2<\/td>\n<td>1.7182<\/td>\n<\/tr>\n<tr>\n<td>33MnCrB5-2<\/td>\n<td>1.7185<\/td>\n<\/tr>\n<tr>\n<td>39MnCrB6-2<\/td>\n<td>1.7189<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[114],"class_list":["post-70034","wiki","type-wiki","status-publish","hentry","wiki_category-en"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/70034","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\/70034\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=70034"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=70034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}