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Standard
| YB/T 004-1991 Specification for cog and steel billet (English Version) |
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Detail of YB/T 004-1991
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Introduction of YB/T 004-1991
本标 准 规 定了碳素钢、优质碳素钢、低合金钢、合金钢初轧坯和钢坯的技术要求、试验方法、检验规\r
则和包装、标志及质量证明书等。
本标 准 适 用于碳素钢、优质碳素钢、低合金钢、合金钢轧成的供再轧、锻造或冲压用的初轧坯和钢坯\r
(包括方坯、矩形坯和板坯)。
Contents of YB/T 004-1991