scope:

This Technical Report provides an American grouping system for materials for welding purposes, classified in accordance with the grouping system of ISO/TR 15608:2005[1]. It may also apply for other purposes, such as heat treatment, forming, and non-destructive testing. Types of steels are listed in accordance with the grouping system of ISO/TR 15608:2005[1], 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.