Alloy 80A
Alloy 80A is a heat-treatable nickel based alloy with outstanding creep resistance properties and also has high resistance to fatigue under very arduous conditions. These properties combined with the high oxidation resistance inherent in the nickel-chromium alloy, make it the ideal material for gas turbine blades and other highly stressed components operating within the recommended limits of temperature and stress.
Typical applications are for high temperature springs operating under continuous stress, aircraft, marine and land-based gas turbine rotor or stator blades, combustion chambers and associated parts. Alloy 80A is also extensively used for exhaust valves and diesel engine combustion chambers.
National Specification
| ASTM | UNS | SEA AMS | British Standard | Werkstoff |
|---|---|---|---|---|
| B637 | N07080 | 3076 NA20 HR HR 601 |
2.4952 2.4631 |
Material may also be released to Customer Specifications, subject to enquiry.
Technical Data
Nominal Composition by Percent
| C | Mn | Si | S | Ag | Al | B | Bi | Co | Cr | Cu | Fe | Pb | Ti | Ni | - | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | .040 | - | - | - | - | 1.0 | - | - | - | 18.0 | - | - | - | 1.8 | Bal | % |
| Max | 0.10 | 1.0 | 1.0 | 0.15 | .0005 | 1.8 | .008 | .0001 | 2.0 | 21.0 | 0.2 | 1.5 | .002 | 2.7 | - | % |
Typical Mechanical Properties
| Solution Annealed & Precipiation Treated(Aged) | PSI | MPa | % |
|---|---|---|---|
| Tensile Strength, min | 145,000 | 1000 | - |
| Yield Strength (0.2% offset), min |
90,000 | 620 | - |
| Elongation on 4D, min | - | - | 20 |
| Reduction of Area, min | - | - | 12 |
| Hardness min | - | 300 Hv | - |