Home / Standards / GB/T 24189-2024 GB/T 24189-2024 Active Iron ores for blast furnace feedstocks—Determination of the reducibility by the final degree of reduction index 高炉用铁矿石 用最终还原度指数表示的还原性的测定 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2024-05-28 Implementation 2024-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A