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Nickel Waspaloy AMS 5709

Nickel Waspaloy AMS 5709

AMS 5709 is a specification of Nickel Waspaloy, a nickel-base age-hardenable superalloy with excellent high-temperature strength and good corrosion resistance by combustion products.

This specification is available in the form of forgings and bars that are used for parts that require high strength at temperatures up to 1500°F (816°C). The AMS 5709 specification can also be used for oxidation resistance of up to 1750°F (954°C). The heat treatment is as follows:

  • Solution treatment – melt using vacuum induction method at 1975°F (1079°C), and air cool for 4 hours to produce hardness of 20-25 Rockwell C;
  • Stabilization – remelt to 1550°F (845°C) using a vacuum arc or electroslag methods, and air cool for 24 hours;
  • Age harden – reheat to 1400°F (760°C), and air cool for 16 hours to achieve a hardness of 34-40 Rockwell C.

Please note that scale may be formed on the alloy during heat treatment in oxidizing atmospheres. However, this doesn’t affect the properties of the alloy and can be removed by acid pickling or mechanically.

AMS 5709 can be readily welded only in carefully controlled circumstances, using argon-arc methods and the Waspaloy AMS 5828 filler metal. Welds should be avoided in high-stress environments in which this specification is mostly used.

AMS 5709 can be hot worked at 2140-1800°F (1170-980°C), while hydroforming, drawing, spinning, bending, and rolling can be used for cold working.

Products

AMS 5709 Bar
AMS 5709 Bar
Alloy: Nickel
Type: Waspaloy
UNS: N07001
AMS 5709 Forging
AMS 5709 Forging
Alloy: Nickel
Type: Waspaloy
UNS: N07001