抗蠕变钢实心、药芯焊丝品名类别AWS型号基本化学成份典型值（%）金属力学性能CMnSiCrMoNiNbWVσ0.2(MPa)δb(MPa)δ(%)抗蠕变钢实心、药芯焊丝UnionIMoER80S-G0.101.150.60-0.50----48057023UnionIMo*ER80S-G0.101.150.60-0.50----49060023ThyssenMVMo*ER80C-GH40.061.00.35-0.5----49056022)