Nimonic

Nimonic features its ability to withstand very high temperatures and is ideal to use in aircraft parts and gas turbine components. It is commonly found in the exhaust nozzles on jet engines, for instance, where the pressure and heat are extreme. Few examples of nimonic grade as below:

80a

Chemical Composition Limits
Weight %NiCrTiAlCSiCu
Alloy 80ABal18.0-21.01.8-2.71.0-1.80.10 max1.0 max0.2 max
FeMnCoBZrS
3.0 max1.0 max2.0 max0.008 max0.15 max0.015 max
Typical Mechanical Properties:
MaterialConditionUltimate Tensile Strength ksiYield Strength ksiElongation on 4D (min)Hardness min
Alloy 80ASolution Annealed & Precipatation Treated (aged)1459020300 HV

75

Chemical Composition Limits
Weight%NiCrTiCSiCuFeMn
Nimonic 75Bal18.9 - 21.00.2 / 0.60.08 / 0.151.0 max0.5 max5.0 max1.0 max
Mechanical Properties:
PropertiesMetricImperial
Tensile strength(annealed)750 MPa109 ksi
Yield strength(annealed)275 MPa40 ksi
Elongation at Break0.420.42
Modulus of Elasticity206 GPa29878 ksi