本文件提供了美国焊接材料分组系统，按照ISO/TR 15608的分组系统进行分类。还包括北美常用的一些加拿大、澳大利亚和新西兰材料。 它还可用于其他用途，如热处理、成型和无损检测。钢的类型根据ISO/TR 15608:2017表1的分组系统列出。 本文件涵盖了以下标准化材料的分组系统: -钢铁； -铝及其合金； -镍及其合金； -铜及其合金； -钛及其合金； -锆及其合金； -铸铁。

This document provides an American grouping system for materials for welding purposes, classified in accordance with the grouping system of ISO/TR 15608. A number of Canadian, Australian and New Zealand materials commonly used in North America are also included. It can 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 15608:2017, Table 1. This document 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.