Alloy Spotlight: C63000 Nickel Aluminum Bronze


Aluminum Bronze Alloys are important materials due to their excellent physical, mechanical, anti-corrosive, and wearing properties.  Add Nickel to the alloy and you can achieve an increase in strength without diminishing it’s excellent ductility, toughness, and corrosion resistance.

One such Nickel Aluminum Bronze alloy is C63000.  This high strength alloy is comparable to medium carbon steel.  It posses good anti frictional characteristics and resists scaling and oxidation at elevated temperatures.

C630 Nickel Aluminum Bronze is utilized in a number of industries.  Also known as AMS 4640 this alloy is an excellent choice for applications involving heavy loads, abrasive wear resistance, friction, and corrosion.  The chart below list the various industries and applications where C63000 Nickel Aluminum Bronze can be found.



  • Aircraft landing gear components
  • Strut Bearings
  • Main Pistons
  • Trunnion Bearings
  • Actuator Parts


Oil & Gas

  • Valve Seats
  • Valve Guides
  • Pump Shafts
  • Pump Gears
  • Bearings
  • Bushings
  • Nuts
  • BOP Parts


  • Nuts
  • Pump Parts
  • Bolts
  • Propellers


  • Valve Guides
  • Valve Seats
  • Bearings


Here at National Bronze Mfg. C63000 (AMS 4640) is a standard stocking alloy.  Solid round bars of C630 are available for immediate shipment.  Bar lengths vary is size, but we will cut to the length needed without any minimums.  We also manufacture fully machined components from C63000 in our state of the are production machine shop.  Mill certifications and full traceability is available with the alloy.  Use our request for quote button at the top of our page to request a customized quote for C63000 Nickel Aluminum Bronze in either bar stock or fully machined component form.


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