1.1 This Part of EN 10263 is applicable to round rod and round bars and wire with a diameter up to and including 100 mm, of non-alloy and alloy steel, intended for cold heading, cold extrusion, subsequent quenching and tempering and induction hardening or flame hardening. 1.2 prEN 10263-1:2013 is indispensable for this Part of EN 10263.