Home / Standards / GB/T 28896-2023 GB/T 28896-2023 Active 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 现行 Issue Date 2023-03-17 Implementation 2023-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A