Home / Standards / GB/T 714-2015 GB/T 714-2015 Abolished Structural steel for bridge 桥梁用结构钢 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2015-09-11 Implementation 2016-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A