Alloy 80A / UNS N07080
Alloy 80A / UNS N07080 / 2.4952 / Böhler L080A – High-Performance Alloy for High-Temperature Applications
Properties of Alloy 80A / UNS N07080 / 2.4952 / Böhler L080A
Böhler L080A is a precipitation-hardenable, austenitic nickel-chromium alloy offering high strength and excellent creep resistance.
Key Features:
- Very good corrosion resistance in oxidizing media
- Good scale resistance at high temperatures up to 1000°C
- High strength and excellent creep resistance at operating temperatures up to 815°C
- High fatigue strength even under extreme conditions
- Good weldability
- High work hardening in solution annealed conditions
Applications of Alloy 80A / UNS N07080 / 2.4952 / Böhler L080A
Böhler L080A is preferred for demanding high-Performance Alloy for high-temperature applications, especially in:
- Blades, rings and discs in gas turbine applications
- Fasteners for high temperature applications
- Exhaust valves in combustion engines
- Mountings for boiler tubes
- Inserts in castings or high-temperature springs
- Hot work tools, forging hammers, pressing tools, bolts
Specification Overview
| Material number | 2.4952 |
| Alloy | 80A |
| EN designation | NiCr20TiAl |
| UNS | N07080 |
| Böhler grade | L80A |
| Semi-finished products (strip, sheet, pipe, rod) | DIN 17742, 17754 |
| Forged or rolled components | ASTM B637 / ASME SB637 BS HR 1 / DIN EN 10269 |
| Sheets / strips | DIN EN 10302 |
| Wire | DIN EN 10269 |
Physical Properties
| Material Density | 8.19 g/cm³ |
| Melting Point | 1320 – 1365°C |
| Thermal Conductivity (20 °C) | 11.2 W/(m·K) |
| Electrical Resistivity | 1.2 Ω·mm²/m |
| Thermal Expansion (20–100 °C) | 12.7 × 10⁻⁶/K |
| Magnetism | Practically non-magnetic (µr < 1.01) |
Mechanical Properties (Solution Annealed)
| Tensile Strength Rm | ≥ 930 MPa |
| Yield Strength Rp0.2 | ≥ 620 MPa |
| Elongation A5 | ≥ 20 % |
Chemical Composition (% by Weight)
| Ni | Cr | Co | Mn | Fe | Si |
| Balance | 18.0–21.0 | ≤ 2.0 | ≤ 1.0 | ≤3.0 | ≤ 1.0 |
| P | C | S | Ti | AI | Cu |
| ≤ 0.04 | ≤ 0.10 | ≤ 0.015 | 1.8-2.7 | 1.0-1.8 | ≤0.2 |
Product Portfolio
- Sheets, plates, cut-to-size blanks
- Rods, bars, wires (rolled, forged, drawn, machined)
- Forged parts (discs, rings)
- Machined components per drawing (semi-finished / ready-to-install)
All information without guarantee and for informational purposes only.