50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks Apr 2, 2024
ISO
ISO/TC 17/SC 4 Heat treatable and alloy steels
International Standard
77.140.45 Non-alloyed steels | 77.140.10 Heat-treatable steels | 77.140.20 Stainless steels
This document specifies requirements for non-alloy and alloy steels that are intended for cold heading or cold extruding and are delivered as wire rods, wire or bars. It also contains specific requirements for:
a) steels not intended for heat treatment, with diameters from 2 mm to 100 mm (see Annex A);
b) case-hardening steels with diameters from 2 mm to 100 mm (see Annex B);
c) steels for quenching and tempering, including boron-alloyed steels (see Table C.3), with diameters from 2 mm to 100 mm (see Annex C);
PUBLISHED
ISO 4954:2022
IN_DEVELOPMENT
ISO/FDIS 4954-1
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Apr 2, 2024