scope:

This Technical Report provides an American grouping system for materials for welding purposes, classified in accordance with the grouping system of ISO/TR 15608. It may also apply for other purposes, such as heat treatment, forming and non-destructive testing. The types of steels are in accordance with the grouping system of ISO/TR 15608:2000, Table 1. This Technical Report covers grouping systems for the following standardized materials: - steel; - aluminium and its alloys; - nickel and its alloys; - copper and its alloys; - titanium and its alloys; - zirconium and its alloys; - cast irons.