ISO 683-18:2014 specifies the technical delivery requirements for bright steel bars in the drawn or peeled/turned condition and they are intended for mechanical purposes, for example for machine parts. The bright bars are subdivided into the following steel types:
a) non-alloy general engineering steels,
b) non-alloy free-cutting steels,
c) non-alloy and alloy case-hardening steels,
d) non-alloy and alloy steels for quenching and tempering,
e) stainless steels.
In addition ISO 683-18:2014, the general technical delivery requirements of ISO 404 are applicable.