BS 4659:1971被替代
Specification for tool steels
出版：British Standards Institution
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基本信息
标准编号： BS 4659:1971
发布时间：1971/2/12 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Specifies requirements for six types of tool steel in the form of black rolled bar round or flat section; hot rolled coil; ground rolled bar; machined, ground or drawn bar and rod; sheet or strip; forgings; forged bar.
标准备注
© British Standards Institution 2013
