Home / Standards / GB/T 32977-2016 GB/T 32977-2016 Active Hot rolled improved corrosion resisting steel sections 改善耐蚀性能热轧型钢 Standard Type GBT ICS 77.140.70 CCS H40 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A