What is ISO 4954 about?
ISO 4954 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:
Steels not intended for heat treatment, with diameters from 2 mm to 100 mm (see Annex A)
Case-hardening steels with diameters from 2 mm to 100 mm (see Annex B)
Steels for quenching and tempering, including boron alloyed steels (see Table C.3), with diameters from 2 mm to 100 mm (see Annex C)