Home / Standards / GB/T 33972-2017 GB/T 33972-2017 Active Hot rolled steel sheet and strip for bogie frame of high-speed train 高速列车转向架构架用热轧钢板及钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2017-07-12 Implementation 2018-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A