Home / Standards / GB/T 30897-2025 GB/T 30897-2025 Active Steel slag for sintering 烧结用钢渣 Standard Type GBT ICS 77.140.99 CCS H34 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