Home / Standards / GB/T 6803-2008 GB/T 6803-2008 Abolished 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 废止 Issue Date 2008-05-13 Implementation 2008-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会