Home / Standards / GB/T 38719-2020 GB/T 38719-2020 Active Metallic materials—Tube—Determination of biaxial stress-strain curve of tube by hydro-bulging test 金属材料 管 测定双轴应力-应变曲线的液压胀形试验方法 Standard Type GBT ICS 77.040.10 CCS H22 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A