標準號：DIN EN ISO 683-4-2018
中文標準名稱：熱處理鋼、合金鋼和易切削鋼. 第9部分: 易切削鋼 (ISO 683-4-2016); 德文版本 EN ISO 683-4-2018
英文標準名稱：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
標準類型：H40
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：H40
國際標準分類號：77.140.10;77.140.20
引用標準：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
適用范圍：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.