WASPALOY Centri-Vac Nickel Cobalt Based Alloy,UNS N07001;，1

### **Product Introduction: WASPALOY® Centri-Vac (UNS N07001) Nickel-Based Superalloy** **Overview** WASPALOY® (UNS N07001) is a premium precipitation-hardenable nickel-based superalloy renowned for its exceptional high-temperature strength and corrosion resistance. When processed using the advanced "Centri-Vac" technique - combining centrifugal casting with vacuum melting - the alloy achieves superior metallurgical quality, enhanced mechanical properties, and excellent microstructural stability. This alloy is specifically engineered for demanding applications in gas turbine engines where high strength, creep resistance, and oxidation resistance are critical at temperatures up to 980°C (1800°F). --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Austenitic matrix foundation | | **Cobalt (Co)** | 12.0 - 15.0 | Solid solution strengthening | | **Chromium (Cr)** | 18.0 - 21.0 | Oxidation and corrosion resistance | | **Molybdenum (Mo)** | 3.5 - 5.0 | Solid solution strengthening | | **Aluminum (Al)** | 1.2 - 1.6 | γ' phase formation (Ni₃Al) | | **Titanium (Ti)** | 2.8 - 3.2 | γ' phase formation (Ni₃Ti) | | **Iron (Fe)** | 2.0 max | Controlled residual element | | **Carbon (C)** | 0.02 - 0.10 | Carbide formation | | **Boron (B)** | 0.003 - 0.010 | Grain boundary strengthening | | **Zirconium (Zr)** | 0.02 - 0.12 | Enhanced creep properties | *Note: WASPALOY is a registered trademark. "Centri-Vac" denotes specialized centrifugal vacuum casting process.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 8.22 g/cm³ (0.297 lb/in³) - Melting Range: 1330-1360°C (2426-2480°F) - Thermal Expansion: 12.8 μm/m·°C @ 20-100°C - Thermal Conductivity: 19.5 W/m·K @ 500°C - Specific Heat: 440 J/kg·K @ 20°C **Mechanical Properties (Solution Treated & Aged):** - Tensile Strength: 1200 MPa (174 ksi) minimum - Yield Strength (0.2% Offset): 830 MPa (120 ksi) minimum - Elongation: 20% minimum - Reduction of Area: 24% minimum - Creep Rupture Strength: 140 MPa @ 815°C for 100 hours --- #### **International Standards and Specifications** WASPALOY Centri-Vac complies with major international standards: - **AMS 5544:** Sheet, strip, and plate - **AMS 5708:** Bar and forgings - **ASTM B637:** Precipitation hardening alloy - **GE S-500:** General Electric specification - **Pratt & Whitney CS-3000:** Proprietary standard - **ISO 9723:** Aerospace superalloy standard --- #### **Product Applications** **Aerospace Applications:** - Turbine blades and vanes - Compressor disks and shafts - Turbine wheels and rotors - Afterburner components - Exhaust system parts **Industrial Applications:** - Industrial gas turbine components - Power generation turbine parts - High-temperature fasteners - Nuclear reactor components - Chemical processing equipment --- #### **Key Advantages** 1. **Excellent High-Temperature Strength**: Maintains mechanical properties up to 980°C (1800°F) 2. **Superior Creep Resistance**: Outstanding performance under sustained loading 3. **Excellent Oxidation Resistance**: Withstands aggressive high-temperature environments 4. **Good Thermal Fatigue Resistance**: Performs well under thermal cycling conditions 5. **Enhanced Microstructural Stability**: Maintains phase stability during long-term exposure 6. **Good Fabricability**: Suitable for complex component manufacturing 7. **Reliable Performance**: Proven track record in critical applications --- **Conclusion** WASPALOY Centri-Vac (UNS N07001) represents a time-tested, high-performance nickel-based superalloy that continues to deliver exceptional performance in the most demanding high-temperature applications. Its balanced chemical composition, combined with the advanced Centri-Vac manufacturing process, ensures superior metallurgical quality and reliable mechanical properties. The alloy's proven capability to withstand extreme temperatures and stresses makes it an ideal choice for critical components in aerospace propulsion and power generation systems. Governed by rigorous international standards and backed by decades of successful application, WASPALOY Centri-Vac remains a benchmark material for high-temperature engineering applications where reliability and performance are paramount.

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 3417 gallon liquid totes Special package is available on request.