
Tool steels (ISO 4957:2018)
出版:Comite Europeen de Normalisation

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基本信息
标准编号: EN ISO 4957 : 2018
标准类别:Standard
出版单位:Comite Europeen de Normalisation
标准页数:0
标准简介
This document specifies requirements for the following grades of wrought tool steels: a) non-alloy cold-work tool steels; b) alloy cold-work tool steels; c) alloy hot-work tool steels; d) high-speed tool steels.
本标准替代的旧标准