工具和模具钢的选择和热处理

[中文适用范围]： 本报告中的信息涵盖与 SAE J438@ 工具和模具钢@ 相关的数据，旨在作为选择最适合预期用途的钢材的指南，并提供推荐的热处理和与其使用相关的其他数据。不包括有关物理性能的具体要求，因为大多数工模具钢都经过买方加工或进行特殊热处理。购买者可以选择也可以不选择将随附数据用于规范目的 [外文原描述]： The information in this report covers data relating to SAE J438, Tool and Die Steels, and is intended as a guide to the selection of the steel best suited for the intended purpose and to provide recommended heat treatments and other data pertinent to their use.Specific requirements as to physical properties are not included because the majority of tool and die steels are either worked or given special heat treatments by the purchaser. The purchaser may or may not elect to use the accompanying data for specification purposes.Cross Reference: J438_201801