SQJ607-CrNiMo产品型号GBAWSJISE600T5-K2E90T5-K2典型熔敷金属化学成分(%)CSiMnCrNiMoVALSP其它0.050.421.360.051.520.330.0160.015典型熔敷金属力学性能Rm(Mpa)ReH(Mpa)A5(%)Akv(J)74058021(-30℃)53特征和用途碱性渣系，适用于600Mp***高强钢的焊接。船级社认可极性保护气体co2或80%Ar+20%co2)