E71T1-1J气保护药芯焊丝E71T1-1J气保护药芯焊丝耐磨堆焊用气保护药芯焊丝  AT-YD172    YF2A-C-350  耐磨堆焊用  
AT-YD182    YF3B-C-450  
七、不锈钢用气保护药芯焊丝  AT-Y308  E308T1-1  E308T-1  YF308-C  18%-8%Ni不锈钢焊接用  
AT-Y308L  E308LT1-1  E308LT-1  YF308L-C  超低碳18%Cr-8%Ni不锈钢焊接用  
AT-Y309  E309T1-1  E309T-1  YF309-C  25%Cr-13%Ni不锈钢焊接用、异种钢焊接或堆焊过渡层用  
AT-Y309L  E309LT1-1  E309LT-1  YF309L-C  超低碳25%Cr-13%Ni不锈钢焊接用 、异种钢焊接或堆焊过渡层用  
AT-Y347  E347T1-1  E347T-1  YF347-C  18%Cr-8%Ni-Nb或18%Cr-8%Ni-Ti不锈钢焊接用  
AT-Y316  E316T1-1  E316T-1  YF316-C  18%Cr-12%Ni-2%Mo不锈钢焊接用  
AT-Y316L  E316LT1-1  E316LT-1  YF316L-C  超低碳18%Cr-12%Ni-2%Mo不锈钢焊接用  
E71T1-1J气保护药芯焊丝E71T1-1J气保护药芯焊丝E71T1-1J气保护药芯焊丝E71T1-1J气保护药芯焊丝