Home / Standards / GB/T 14981-2009 GB/T 14981-2009 Active Dimension，shape，mass and tolerance for hot-rolled round wire rod 热轧圆盘条尺寸、外形、重量及允许偏差 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2009-07-15 Implementation 2010-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会