Home / Standards / GB/T 14977-2025 GB/T 14977-2025 Active General requirement for surface condition of hot-rolled steel sheet and plate 热轧钢板表面质量的一般要求 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A