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  • ECoCr-B（D812）鈷基堆焊焊條
  • ECoCr-B（D812）鈷基堆焊焊條

ECoCr-B（D812）鈷基堆焊焊條

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D812鈷基堆焊焊條

型號：GB/T EDCoCr-B-03      相當：AWS ECoCr-B    JIS DF-CoCrB

說明：鈷鉻鎢合金焊芯的鈷基堆焊焊條，采用直流反接，堆焊金屬在650℃工作仍能保持良好的耐磨性和耐腐蝕性。

用途：用于高溫高壓閥門、高壓泵的軸套筒和內襯套以及化纖設備的斬刀刃口等。熔敷金屬化學成分/%

C 1-1.7  Si≤2   Mn≤2  Cr 25-32   Fe≤5  W 7-10  其他≤4  余量為Co

堆焊硬度HRC：≥44

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