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X-55 is a brazing filler metal with excellent gap filling capability and plasticity when in the molten condition. The alloy exhibits excellent strength and ductility while cooling from the liquid stage. The improved strength and ductility at elevated temperatures gives it the added advantage over nickel silvers in joining materials with dissimilar coefficient of expansion. The primary application is in the joining of carbides to steel holders.


Compare With

  • PI: X-55


  • Brazing Temperature Range High: 1785 F / 974 C
  • Brazing Temperature Range Low: 1735 F / 946 C
  • Liquidus: 1685 F / 918 C
  • Solidus: 1615 F / 879 C



  • Cu: 55%
  • Zn: 34.85%
  • Ni: 6%
  • Mn: 4%
  • Si: 0.15%

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