Cu67MnNi9

  • Copper based high temperature brazing alloy

    Cu67MnNi9

Chemical Composition: %

CuMnNiOther
Balance2490.30

Mechanical and physical properties

  • Working temperature: 965 °C

    Melting range: 950 - 955 °C

    Specific gravity: 8.2 g/cm³

Welding process

  • Brazing 

Description and Applications

  • It is suitable to join steels, stainless steels, nickel and nickel alloys and cemented carbides.

    The alloy offers very good protection against interfacial corrosion when used on stainless steel. Being zinc-free, and because of its high brazing temperature, Cu67MnNi9 is usually used only in protective atmosphere furnace brazing; furnace atmosphere should have a dew point lower than - 40 °C to ensure good results. Occasionally the alloy can be also used in open air brazing (by flame or by induction), with the use of a proper high temperature flux.

    Typical applications of Cu67MnNi9 are in the field of carbide and diamond tools.

Availability

  • Rods: φ1.5-5.0mm  Max.Length: 15mm-1000mm

    Wire:  φ1.2,1.6mm on spools  or coil wire

    Other dimensions are available upon request

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