德国斯坦因耐磨焊丝megafil a 760 m。megafil­ a 730 m metal cored t fe 1 225-375 hbmegafil­ a 740 m metal cored t fe 2 375-450 hbmegafil­ a 750 m metal cored t fe 6 45-55 hrcmegafil­ a 760 m metal cored t fe 4 55-65 hrcmegafil­ a 261 m metal cored tz fe 8 55-65 hrcmegafil­ a 13-4 m metal cored tz fe 7 250-450 hbmegafil­ 220 m metal cored tz fe 9 40-50 hrcmegafil­ a 730 b basic t fe 1 225-375 hbmegafil­ a 740 b basic t fe 2 375-450 hbmegafil­ a 750 b basic t fe 6 45-55 hrcmegafil­ a 760 b basic t fe 4 55-65 hrcmegafil­ a 547 ×× basic tz fe 7 45-55 hrcmegafil­ a 861 m metal cored t fe 8 50-65 hrcmegafil­ a 862 m metal cored tz fe 14 45-60 hrcmegafil­ a 863 m metal cored tz fe 15 55-65 hrcmegafil­ a 864 m metal cored t fe 13 55-65 hrcmegafil­ a 867 m metal cored tz fe 16 60-70 hrc