连续热浸镀层钢板和钢带尺寸、 外形、重量及允许偏差 Dimension,shape,weight and tolerance for continuously hot-dip coated steel sheet and strip  ICS  77.140.50 CCS  H 46   中华人民共和国国家标准 GB/T 25052—2024 代替 GB/T 25052—2010 2024-08-2 3发布 2025-03-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布 目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     分类和代号   ···························································································   1 5     尺寸   ··································································································   2      5.1     尺寸范围   ·························································································   2      5.2     推荐的公称尺寸   ·················································································   2 6     尺寸允许偏差   ·························································································   2      6.1     厚度允许偏差   ····················································································   2      6.2     宽度允许偏差   ····················································································   5      6.3     长度允许偏差   ····················································································   6 7     外形   ··································································································   7      7.1     不平度   ···························································································   7      7.2     镰刀弯   ···························································································   7      7.3     脱方度   ···························································································   7      7.4     塔形   ······························································································   7 8     尺寸及外形的测量   ····················································································   8      8.1     厚度   ······························································································   8      8.2     宽度   ······························································································   8      8.3     长度   ······························································································   8      8.4     不平度   ···························································································   8      8.5     镰刀弯   ···························································································   8      8.6     脱方度   ···························································································   9 9     重量   ·································································································   10 10     数值修约   ···························································································   11 参考文献   ································································································   12 GB/T 25052—2024     Ⅰ