结构钢实心、药芯焊丝品名类别AWS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————44055024UnionSG2-HER70S-60.081.400.800.0250.025————43056024UnionK56ER70S-60.081.651.050.0250.025————48058024UnionSG3-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————
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