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| YB/T 4149-2018 Continuously cast round billet for seamless steel tube rolling (English Version) |
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Detail of YB/T 4149-2018
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Introduction of YB/T 4149-2018
本标准规定了连铸圆管坯的订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志和质量证明书。
本标准适用于制造无缝钢管用连铸圆管坯。
Contents of YB/T 4149-2018