Home / Standards / GB/T 24241-2009 GB/T 24241-2009 Active Direct reduced iron - Determination of the tumble and abrasion indices of hot briquetted iron(HBI) 直接还原铁 热压铁块转鼓和耐磨指数的测定 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2009-07-15 Implementation 2010-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A