Revised Standard from Last Update.

1. SCOPE

1.1 This standard specifies requirements of unalloyed and alloyed steels which are intended for cold heading or cold extruding applications and are delivered as bars, wire rods or wires with nominal sizes 2 mm to 100 mm.

1.2 This standard covers the following groups of steels for cold heading and cold extruding:

a)steels not intended for heat treatment (seeAnnex A);

b)case-hardening steels (see Annex B); and

c)steels for quenching and tempering (seeAnnex C).

1.3 This standard is not applicable to the properties of cold headed/cold extruded parts.