Home / Standards / GB/T 11263-2024 GB/T 11263-2024 Active Hot rolled H and cut T section steel 热轧H型钢和剖分T型钢 Standard Type GBT ICS 77.140.70 CCS H 44 Status 现行 Issue Date 2024-10-26 Implementation 2025-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A