·蒂森结构钢实心、药芯焊丝品名类别型号基本化学成份典型值（%）熔敷金属力学性能CMnSiS≤P≤CrMoNiCuσ0.2(MPa)δb(MPa)δ(%)结构钢实心、药芯焊丝UnionI52ER70S-60.081.500.850.0250.025----44056025UnionK40ER70S-G(～3)0.101.100.350.0250.025----36044025UnionK52ER70S-60.081.500.850.0250.025----44055024Uni***G2-HER70S-60.081.400.800.0250.025----43056024UnionK56ER70S-60.081.651.050.0250.025----48058024Uni***G3-HER70S-60.081.651.000.0250.025----47058024ThyseenRob2ER70S-60.081.500.850.0250.025----45057024ThyseenRob3ER70S-60.081.701.000.0250.025----49060024ThyseenMV70E70C-6MH40.051.400.450.0250.025----42052024ThyseenRV71E71T-1MJH40.061.400.500.0250.025----42052024ThyseenRV72E71T-1H40.061.300.450.0250.025----42052022ThyseenBA70E70T-5/E70T-5MH40.061.500.450.020.02----42052024)