Rene 41 Nickel Superalloy,UNS N07041; AMS 5712, 5713; René 41 Nickel,E FORU

**Product Overview: Rene 41 Nickel Superalloy (UNS N07041)** **Rene 41** (UNS N07041) is a high-strength, precipitation-hardenable nickel-chromium-cobalt superalloy specifically developed for extreme high-temperature applications requiring exceptional strength, oxidation resistance, and creep resistance. Conforming to AMS 5712, 5713, and other international standards, this advanced alloy maintains excellent mechanical properties at temperatures up to 980°C (1800°F), making it ideal for critical components in aerospace, gas turbine, and nuclear applications. --- ### **Key Characteristics & Advantages** - **Exceptional High-Temperature Strength**: Maintains mechanical properties up to 980°C (1800°F) - **Superior Creep Rupture Strength**: Outstanding long-term performance under stress at elevated temperatures - **Excellent Oxidation Resistance**: Performs reliably in high-temperature oxidizing atmospheres - **Good Thermal Stability**: Resists microstructural degradation under prolonged thermal exposure - **Optimized Precipitation Hardening**: Achieves high strength through γ' precipitation - **Good Fabricability**: Can be processed using conventional manufacturing methods --- ### **Chemical Composition (Typical Weight %)** | Element | Content Range (%) | Function Description | |------------------|-------------------|-----------------------| | **Nickel (Ni)** | Balance | Base element providing austenitic matrix | | **Chromium (Cr)**| 18.0-20.0 | Primary element for oxidation and corrosion resistance | | **Cobalt (Co)** | 10.0-12.0 | Enhances high-temperature strength and stability | | **Molybdenum (Mo)**| 9.00-10.50 | Solid solution strengthener | | **Aluminum (Al)**| 1.40-1.80 | Forms γ' precipitation hardening phase | | **Titanium (Ti)**| 3.00-3.30 | Enhances γ' formation and stability | | **Iron (Fe)** | ≤2.0 | Controlled impurity | | **Carbon (C)** | 0.06-0.12 | Controlled for carbide formation | | **Boron (B)** | 0.003-0.010 | Enhances grain boundary strength | | **Other Elements**| ≤0.5 | Controlled impurities | --- ### **Physical Properties** | Property | Typical Value | Test Conditions | |---------------------------------|------------------------|--------------------------| | **Density** | 8.27 g/cm³ | At room temperature | | **Melting Range** | 1316-1371°C | Solidus-Liquidus | | **Thermal Expansion Coefficient**| 12.6 × 10⁻⁶/°C | 20-540°C range | | **Thermal Conductivity** | 13.4 W/m·K | At 800°C | | **Specific Heat Capacity** | 456 J/kg·K | At 800°C | | **Electrical Resistivity** | 1.28 μΩ·m | At 20°C | | **Young's Modulus** | 216 GPa | At room temperature | --- ### **Mechanical Properties** #### **Solution Treated and Aged Condition** | Property | Temperature | Typical Value | |------------------------|-------------|----------------------| | **Tensile Strength** | 20°C | 1310-1450 MPa | | **Tensile Strength** | 815°C | 965-1035 MPa | | **Yield Strength (0.2%)** | 20°C | 930-1070 MPa | | **Yield Strength (0.2%)** | 815°C | 690-760 MPa | | **Elongation** | 20°C | 12-18% | | **Elongation** | 815°C | 10-15% | | **Reduction of Area** | 20°C | 15-22% | | **Creep Rupture Life** | 815°C/310 MPa | 100-200 hours | --- ### **Heat Treatment** Standard heat treatment sequence includes: - **Solution Treatment**: 1065-1080°C for 1-2 hours, rapid air cool - **Aging Treatment**: 760°C for 16 hours, air cool - **Optional Double Aging**: Additional 4 hours at 900°C for specific applications --- ### **International Standards & Specifications** Rene 41 complies with the following international standards: - **AMS 5712**: Bars, Forgings, and Rings, Solution Heat Treated and Precipitation Heat Treated - **AMS 5713**: Sheet, Strip, and Plate, Solution Heat Treated and Precipitation Heat Treated - **ASTM B637**: Precipitation Hardening Nickel Alloy Bars, Forgings, and Forging Stock - **GE Specification**: S64, S65 - **Pratt & Whitney**: PWA 1013 - **Rolls-Royce**: RPS 707 - **ISO 9724**: Nickel Alloys for High-Temperature Service --- ### **Applications** 1. **Aerospace Gas Turbine Engines**: - Turbine blades and vanes - Turbine disks and rotors - Afterburner components - Combustion chambers - Exhaust system components 2. **Rocket and Missile Systems**: - Rocket motor cases - Nozzle components - Structural supports - High-temperature fasteners 3. **Nuclear Applications**: - Reactor core components - Heat exchanger tubing - Control mechanism parts - High-temperature fixtures 4. **Industrial Gas Turbines**: - Power generation components - Hot gas path parts - Turbine wheels - Compressor disks --- ### **Manufacturing Considerations** - **Forging**: Hot workable in temperature range 1050-1150°C - **Machining**: Requires specialized tools and techniques for high-strength superalloys - **Welding**: Weldable using matching filler metals with proper pre-heat and post-weld heat treatment - **Heat Treatment**: Requires precise control of time-temperature parameters - **Quality Control**: Stringent NDT requirements including ultrasonic and penetrant testing --- ### **Available Forms** - **Bar and Rod**: Various diameters and lengths - **Forgings**: Custom shapes and sizes - **Sheet and Plate**: Multiple thicknesses and sizes - **Wire**: For welding and fasteners - **Tubing**: For specialized high-temperature applications - **Billet**: For subsequent manufacturing operations --- **Disclaimer**: *The information provided is for technical reference purposes only. Rene 41 is a specialized superalloy requiring proper processing and heat treatment to achieve specified properties. Actual performance may vary depending on manufacturing processes, heat treatment parameters, and specific application conditions. Users should consult with qualified materials engineers and adhere to OEM specifications for critical applications. All manufacturing and processing should follow approved procedures and quality standards.*

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3120 gallon liquid totes Special package is available on request.