SZJ507-Ni1产品型号GBAWSJISE501T8-Ni1E71T8-Ni1典型熔敷金属化学成分(%)CSiMnCrNiMoVALSP其它0.070.281.130.900.910.0090.011典型熔敷金属力学性能Rm(Mpa)ReH(Mpa)A5(%)Akv(J)5354922489(-30℃)特征和用途用于贮罐、海洋工程等焊接。船级社认可极性DC-(焊丝接负极)保护气体)