Home / Standards / GB/T 34103-2017 GB/T 34103-2017 Active Hot rolled H section steel for ocean engineering structure 海洋工程结构用热轧H型钢 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2017-07-31 Implementation 2018-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A