日本东海溶业TM-60S焊条 TM-60 DF4B-600-B Hv615～700 TM-21 ── Hv650～740 TM-60S ── Hv620～700 TM-60M ── Hv620～700 TM-70 DF5A-700-B Hv680～730 TM-285 ── Hv750～820 TMC-1 DF4A-450-R 13Cr TMC-2 DFME-200-B 16Cr-16Mn,Ni TMC-2H DFME-300-B 16Cr-16Mn,Ni,Mo TMC-3 DFCrA-600-B 27Cr TMC-4 DFCrA-600-B 30Cr-Nb TMC-5 DFCrA-700-B 30Cr,W,Mo,Nb TMC-40 DF4D-450-B 13Cr-Ni-Mo TMC-41 DF4A-400-B 13Cr-4Ni-Mo TMC-42 DF4A-400-B 13Cr-4Ni TSW-1 ── 18Cr-8Ni-4W TSW-2 ── 18Cr-8Ni-4W-4Mo