Home / Standards / GB/T 24174-2022 GB/T 24174-2022 Active Steel—Determination of Bake-Hardening-Index (BH) 钢 烘烤硬化值(BH)的测定方法 Standard Type GBT ICS 77.040.10 CCS H22 Status 现行 Issue Date 2022-04-15 Implementation 2022-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A