Home / Standards / GB/T 28896-2012 GB/T 28896-2012 Abolished Metallic Materials - Method of test for the determination of quasistatic fracture toughness of welds 金属材料 焊接接头准静态断裂韧度测定的试验方法 Standard Type GBT ICS 77.040.10 CCS H22 Status 废止 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A