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一、合金工具钢(参照GB/T 1299—2000) 1.标准概况 标龄长达15年的GB1299—85《合金工具钢技术条件》被修订为GB/T 1299—2000《合金工具钢》,该标准于2001—09—01实施。 新标准非等效采用美国ASTM A681—1994合金工具钢标准。标准变化的主要内容如下: (1) 标准名称改名为《合金工具钢》;
First, the alloy tool steel (see GB / T 1299-2000) 1. Standard Overview Standard age up to 15 years of GB1299-85 “alloy tool steel technical conditions” was revised to GB / T 1299-2000 “alloy tool steel” The standard was implemented in 2001-09-01. The new standard is not equivalent to the United States ASTM A681-1994 alloy tool steel standards. The main contents of the standard changes are as follows: (1) the standard name changed to “alloy tool steel”;