DIN EN ISO 683-4-2018 热处理钢、合金钢和易切削钢. 第9部分: 易切削钢 (ISO 683-4-2016); 德文版本 EN ISO 683-4-2018

标准号：DIN EN ISO 683-4-2018
中文标准名称：热处理钢、合金钢和易切削钢. 第9部分: 易切削钢 (ISO 683-4-2016); 德文版本 EN ISO 683-4-2018
英文标准名称：Heat-treatable steels, alloy steels and free-cutting steels - Part 4: Free-cutting steels (ISO 683-4:2016); German version EN ISO 683-4:2018
标准类型：H40
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：H40
国际标准分类号：77.140.10;77.140.20
引用标准：GB/T 8731-2008;EN 10087-1998;ISO 377-2017;ISO 404-2013;ISO 643-2012;ISO 683-1-2016;ISO 683-2-2016;ISO 683-3-2016;ISO 683-17-2014;ISO 683-18-2014;ISO 2938-1974;ISO 4885-2018;ISO 4948-1-1982;ISO 4948-2-1981;ISO/TS 4949-2016;ISO 4954-1993;ISO 6506-1-2014;ISO
适用范围：This part of ISO 683 gives the technical delivery requirements for semi-finished products (e. g. blooms, billets, slabs), bars and wire rod, manufactured from the free-cutting steels listed in Table 2 and supplied in one of the treatment conditions given for the different types of products in Table 1, rows 2 to 4. This part of ISO 683 covers three groups of free-cutting steels for mechanical purposes as listed in Table 2, namely a) not intended for heat treatment, b) suitable for case-hardening and c) suitable for quenching and tempering.