Home / Standards / GB/T 1503-2024 GB/T 1503-2024 Active Cast steel rolls 铸钢轧辊 Standard Type GBT ICS 77.180 CCS H 94 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A