Form: This specification covers an aluminum bronze alloy in the form of bars@ rods@ shapes@ tubes@ forgings@ and forging stock. Application: Primarily for parts requiring strength and wear resistance at moderate temperatures.
SAE AMS4640E-1991 history
1970SAE AMS4640J-2023 Aluminum Bronze, Bars, Rods, Shapes, Tubes, and Forgings, 81.5Cu - 10.0Al - 4.8Ni - 3.0Fe, Drawn and Stress Relieved (HR50) or Temper Annealed (TQ50)
2018SAE AMS4640H-2018 Aluminum Bronze, Bars, Rods, Shapes, Tubes, and Forgings 81.5Cu - 10.0Al - 4.8Ni - 3.0Fe Drawn and Stress Relieved (HR50) or Temper Annealed (TQ50)
2011SAE AMS4640H-2011 Aluminum Bronze, Bars, Rods, Shapes, Tubes, and Forgings 81.5Cu 10.0Al 4.8Ni 3.0Fe Drawn and Stress Relieved (HR50) or Temper Annealed (TQ50)
2005SAE AMS4640G-2005 Aluminum Bronze, Bars, Rods, Shapes, Tubes, and Forgings 81.5Cu - 10.0Al - 4.8Ni - 3.0Fe Drawn and Stress Relieved (HR50) or Temper Annealed (TQ50) Composition similar to UNS C63000
1996SAE AMS4640F-1996 Aluminum Bronze, Bars, Rods, Shapes, Tubes, and Forgings 81.5Cu - 10.0Al - 4.8Ni - 3.0Fe Drawn and Stress Relieved (HR50) or Temper Annealed (TQ50) (UNS C63000)