1.1 本文件规定了粉末床熔炼金属零件的鉴定、质量保证和后处理要求。 1.2 本文件规定了根据ISO/ASTM 52927，H和M类，通过增材制造粉末床熔融工艺制造的金属零件的各种特性的测试和鉴定方法和程序。 1.3 本文件旨在供零件供应商和/或零件客户使用。 1.4 本文件规定了满足规定质量水平的适当资格认证程序。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This document specifies requirements for the qualification, quality assurance and post processing for metal parts made by powder bed fusion. 1.2 This document specifies methods and procedures for testing and qualification of various characteristics of metallic parts made by additive manufacturing powder bed fusion processes, in accordance with ISO/ASTM 52927, categories H and M. 1.3 This document is intended to be used by part providers and/or customers of parts. 1.4 This document specifies qualification procedures where appropriate to meet defined quality levels. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.