标准简介
This standard specifies the technical delivery requirements for bars of structural steels subject to hardenability requirements in terms of order information,classification and designation,dimensions,shape,mass and tolerances,technical requirements,test methods,inspection rules,package,marking,and certificate of quality. This standard is applicable to hot-rolled and/or hot-forged structural steel bars with specified hardenability bands for the manufacture of machinery components.Hardenability can be either measured by the end-quench method or calculated by formula.英文名称：Structural steels with specified hardenability bands
标准状态：现行
替代情况：替代GB/T 5216-2004
中标分类：冶金>>钢铁产品>>H40钢铁产品综合
ICS分类：冶金>>钢铁产品>>77.140.10热处理钢
发布部门：General Ad.
发布日期：2014-12-05
实施日期：2015-09-01
出版日期：2018-06-01
页数：60页
前言
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