STEP 1
Superior High-Temperature Strength
Rene 80 achieves a tensile strength of up to 1300 MPa and retains full mechanical integrity at temperatures over 850 °C, making it well-suited for aero-engines and gas turbines.
Rene 80
Rene 80, with the UNS designation N07080, is a nickel-based superalloy. It complies with multiple industry standards including ASTM B637, DIN/EN 2.4952 (NiCr20TiAl) and GB/T 14992 (GH4033), and is also specified in AMS 4592 and ASME SB-637. It is a well-acknowledged material for high-temperature service.
Rene 80 Basic Introduction
Rene 80 is a high-strength nickel-chromium superalloy engineered to endure extreme temperatures and mechanical loads. It boasts outstanding fatigue resistance, thermal stability and creep-rupture properties, and is widely applied in gas turbines, aerospace parts and power generation equipment.
Delivering reliable performance above 850°C, Rene 80 sustains its structural integrity during long-term service. It is commonly manufactured into turbine blades, combustion chamber components and other parts operating under cyclic thermal loads and high pressure.
Rene 80’s chemical composition delivers outstanding high-temperature strength and fatigue resistance. Nickel serves as the base matrix, while chromium boosts oxidation resistance. Aluminum, titanium and tungsten further elevate strength and thermal stability via precipitation hardening.
Rene 80 Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 14 |
| Cobalt (Co) | 9 |
| Molybdenum (Mo) | 4 |
| Aluminum (Al) | 3 |
| Titanium (Ti) | 5 |
| Tungsten (W) | 4 |
| Boron (B) | Max 0.015 |
Rene 80 Physical Properties
| Property | Values |
|---|---|
| Density (g/cm³) | 8.79 |
| Melting Point (°C) | 1340 |
| Thermal Conductivity (W/(m·K)) | 11.5 |
| Modulus of Elasticity (GPa) | 211 |
Metallographic Structure of Rene 80
Rene 80 consists of a γ-phase nickel matrix reinforced by γ' (gamma prime) precipitates, which deliver excellent high-temperature strength and structural stability. The γ matrix restricts dislocation motion, effectively improving creep resistance and preserving mechanical integrity under long-term stress.
Boron further strengthens grain boundaries and boosts fatigue resistance. Thanks to this optimized microstructure, the alloy withstands severe thermal cycling, making it an optimal choice for aero-engines and power turbines.
Rene 80 Alloy Features
Applications of Rene 80 Alloy
Aerospace & Aviation
- Rene 80 is widely adopted for turbine blades and combustion chambers, delivering superior strength and dependable performance amid extreme thermal stress.
Power Generation
- It is utilized in gas turbines and heat exchangers to maintain stable operation and withstand thermal fatigue.
Oil & Gas
- The alloy serves high-temperature valves and downhole equipment, featuring outstanding mechanical strength and corrosion resistance.
Energy Systems
- Its excellent thermal stability makes it an optimal choice for turbine and heat exchanger components, sustaining long-term steady operation.
Marine
- With remarkable corrosion resistance, Rene 80 is well suited for exhaust systems and propulsion parts operating in seawater environments.
Mining
- It is fabricated into wear-resistant components including pump parts and drill bits, maintaining durability under high pressure and abrasive conditions.
Automotive
- Thanks to great thermal fatigue resistance, the alloy is applied to turbochargers and exhaust systems for high-performance vehicles.
Chemical Processing
- Superior oxidation resistance ensures reliable service of reactors and heat exchangers exposed to extreme heat and aggressive chemicals.
Pharmaceutical & Food Processing
- Rene 80 is used for valves and processing equipment, guaranteeing stable and safe operation in demanding working conditions.
Military & Defense
- It is a preferred material for missile and aero-engine components, performing reliably under intense thermal and mechanical loads.
Nuclear Industry
- Rene 80 is applied to reactor components, where radiation resistance and thermal fatigue resistance are critical to operational safety and performance.
This synergistic enhancement of oxidation resistance and grain boundary strength significantly extends component lifespan, reduces maintenance frequency, and improves overall system reliability—especially under cyclic thermal loading and high-temperature creep conditions.
