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ISO 683-3:2022

Heat-treatable steels, alloy steels and free-cutting steels — Part 3: Case-hardening steels

General information
Valid from 21.01.2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
21.01.2022
Main
15.01.2019
Main
This document specifies the technical delivery requirements for —    semi-finished products, hot formed (e.g. blooms, billets, slabs) (see NOTE 1), —    bars (see NOTE 1), —    wire rod, —    finished flat products, and —    hammer or drop forgings (see NOTE 1) manufactured from the case-hardening non-alloy or alloy steels listed in Table 3 and supplied in one of the heat-treatment conditions given for the different types of products in Table 1 and in one of the surface conditions given in Table 2. The steels are, in general, intended for the manufacture of case-hardened machine parts. NOTE 1   Hammer-forged semi-finished products (blooms, billets, slabs, etc.), seamless rolled rings and hammerforged bars are covered under semi-finished products or bars and not under the term “hammer and drop forgings”. NOTE 2   For International Standards relating to steels conforming with the requirements for the chemical composition in Table 3, however, supplied in other product forms or treatment conditions than given above or intended for special applications, and for other related International Standards, see the Bibliography.
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