This document specifies a uniform system for grouping materials for welding purposes. This document can also be applied for other purposes, such as heat treatment, forming and non-destructive testing.
This document is applicable to grouping systems for the following standardized materials:
steels;
aluminium and its alloys;
copper and its alloys;
nickel and its alloys;
titanium and its alloys;
zirconium and its alloys;
cast irons;
cobalt alloys.