This part of EN 10263 specifies the general technical delivery conditions for round rod, round bars and wire for cold heading and cold extrusion made of: a) non alloy steels not intended for heat treatment after cold working, as specified in EN 10263-2; b) non alloy and alloy steels for case hardening as specified in EN 10263-3; c) non-alloy and alloy steels for quenching and tempering as specified in EN 10263-4; d) stainless steels as specified in EN 10263-5.