Surfacing process was conducted by shielded metal arc welding process on 45 steel substrate using electrodes CHR207,CHR227,CHR237 under the same welding conditions.

 
  • 采用CHR207、CHR227和CHR237堆焊焊條,通過(guò)手工電弧焊工藝在45鋼基體上進(jìn)行堆焊試驗;
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