# Nimonic 80A

*N07080 · GH4080A*

> Ni-Cr-Ti-Al alloy for exhaust valves, turbine blades and high-temperature springs.

Nimonic 80A is a precipitation-hardenable nickel-chromium alloy with additions of titanium and aluminum for gamma-prime strengthening. It is the classic alloy for automotive and marine diesel engine exhaust valves, and is also widely used for high-temperature springs, bolts and gas turbine blade applications.

## Key features

- Precipitation-hardenable
- 815°C service temperature
- Exhaust valve industry standard
- Gamma-prime strengthened
- Good hot hardness

## Applications

- Automotive exhaust valves
- Marine diesel engine valves
- Gas turbine rotor blades
- High-temperature bolting
- Precision springs

## Standards

- ASTM B637
- BS HR 201
- AMS 5763
- DIN 17742