承压用扁钢制品.技术交付条件.第6部分:淬火与回火可焊细晶粒钢

[中文适用范围]： 本文件规定了表 A.1 和表 B.1 中规定的调质可焊接细晶粒钢压力设备用扁平材的要求。 ISO 9328-1 的要求和定义也适用于本文件。 注 1：细晶粒钢是指根据 ISO 643 测试时，铁素体晶粒尺寸为 6 或更细的钢。 注 2：本文件提供了根据欧洲设计规范和 ASME 型设计规范指定产品的可能性。 [外文原描述]： ISO 9328-6:2018 specifies the requirements for flat products for pressure equipment made of quenched and tempered weldable fine grain steels as specified in Tables A.1 and B.1. The requirements and definitions of ISO 9328‑1 also apply to this document. NOTE 1 Fine grain steels are understood to be steels with a ferritic grain size of 6 or finer when tested in accordance with ISO 643. NOTE 2 This document offers the possibility of specifying products in accordance with European design codes and ASME-type design codes.