Home / Standards / GB/T 15547-2025 GB/T 15547-2025 Active Blanks of forged steel rolls for cold rolling mill 锻钢冷轧辊辊坯 Standard Type GBT ICS 77.180 CCS H94 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A