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  • D802鈷基合金堆焊焊條
  • D802鈷基合金堆焊焊條

D802鈷基合金堆焊焊條

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D802鈷基合金堆焊焊條

型號：EDCoCr-A-03

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：用于在650℃左右工作仍能保持良好的耐磨性和耐腐蝕性的場合，或承受沖擊和冷熱交錯的部位，如堆焊高溫高壓閥門及熱剪刀刃等。

熔敷金屬化學成分/%

C 0.7-1.44 Si≤2  Mn≤2 Cr 25-32 Fe≤4 W 3-6 其他≤4 余量為Co堆焊硬度HRC：≥40

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