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现行 GB/T 20564.4-2022
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汽车用高强度冷连轧钢板及钢带 第4部分:低合金高强度钢 Continuously cold rolled high strength steel sheet and strip for automobile—Part 4:High strength low alloy steel
发布日期: 2022-07-11
实施日期: 2023-02-01
本文件规定了汽车用冷连轧低合金高强度钢板及钢带的分类和牌号表示方法、订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志和质量证明书等。 本文件适用于厚度不大于3.0 mmy主要用于制作汽车结构件和加强件的冷连轧低合金高强度钢板及钢带(以下简称“钢板及钢带”)
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