Home / Standards / GB/T 6803 GB/T 6803 Active Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels 铁素体钢的无塑性转变温度落锤试验方法 Standard Type GBT ICS 77.040.10 CCS H22 Status 现行 Issue Date 2023-12-28 Implementation 2024-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会