SQL507产品型号GBAWSJISEG70T-2Z3319YFEG-22C典型熔敷金属化学成分(%)CSiMnCrNiMoVALSP其它0.0830.261.350.220.180.0160.018典型熔敷金属力学性能Rm(Mpa)ReH(Mpa)A5(%)Akv(J)58044024(-20℃)85特征和用途强迫成型垂直气电立焊专用焊丝，焊接效率高，用于船舶外壳板、贮罐、冶金高炉等中厚板立向长直对接焊缝。船级社认可极性保护气体co2)