Alloy X, UNS N06002, AMS 5536, 1

### **Product Introduction: Alloy X (UNS N06002) - Nickel-Chromium-Iron-Molybdenum Superalloy** **Overview** Alloy X (UNS N06002) is a nickel-chromium-iron-molybdenum alloy specifically designed for exceptional high-temperature strength and outstanding oxidation resistance. This solid-solution strengthened superalloy maintains excellent mechanical properties and structural stability at temperatures up to 1200°C (2200°F), making it particularly valuable for applications in aerospace, industrial heating, and power generation industries. The alloy's balanced composition provides an optimal combination of fabricability, high-temperature performance, and environmental resistance. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Forms stable austenitic matrix and provides fundamental high-temperature strength | | **Chromium (Cr)** | 20.5 - 23.0 | Imparts exceptional oxidation and hot corrosion resistance | | **Iron (Fe)** | 17.0 - 20.0 | Provides solid solution strengthening and cost-effectiveness | | **Molybdenum (Mo)** | 8.0 - 10.0 | Enhances high-temperature strength and creep resistance | | **Cobalt (Co)** | 0.5 - 2.5 | Contributes to solid solution strengthening | | **Tungsten (W)** | 0.2 - 1.0 | Works synergistically with molybdenum to enhance strength | | **Manganese (Mn)** | 1.00 max | Aids in manufacturability and controls sulfur | | **Silicon (Si)** | 1.00 max | Enhances oxidation resistance | | **Carbon (C)** | 0.05 - 0.15 | Provides high-temperature strength through carbide formation | | **Aluminum (Al)** | - | Trace element | | **Boron (B)** | - | Trace element for grain boundary strengthening | --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 8.22 g/cm³ (0.297 lb/in³) - Melting Range: 1260 - 1355°C (2300 - 2475°F) - Thermal Expansion: 12.5 μm/m·°C @ 20-100°C - Thermal Conductivity: 11.9 W/m·K @ 100°C - Specific Heat Capacity: 455 J/kg·K @ 20°C - Modulus of Elasticity: 205 GPa (29.7 × 10⁶ psi) **Mechanical Properties (Room Temperature):** - Tensile Strength: 655 MPa (95 ksi) minimum - Yield Strength (0.2% Offset): 240 MPa (35 ksi) minimum - Elongation: 35% minimum - Hardness: HRB ≤ 100 **Elevated Temperature Properties:** - Excellent creep strength up to 980°C (1800°F) - Good stress rupture properties - Maintains oxidation resistance up to 1200°C (2200°F) --- #### **International Standards and Specifications** - **AMS 5536:** Plate, Sheet, and Strip - **AMS 5588:** Seamless Tube - **AMS 5754:** Forgings and Rings - **AMS 5798:** Welding Electrodes - **AMS 5799:** Welding Wire and Rod - **AMS 5888:** Bar and Wire - **ASME SB-435:** Plate, Sheet, and Strip - **ASME SB-572:** Rod and Bar - **NACE MR0175/ISO 15156:** Sour Service Compliance --- #### **Product Applications** **Aerospace Industry:** - Gas turbine combustion components - Afterburner and thrust reverser parts - Turbine seals and rings - Exhaust system components - Aircraft engine structural parts **Industrial Heating:** - Furnace radiant tubes and muffles - Heat treatment fixtures and baskets - Industrial heating elements - Kiln components - Heat exchangers and recuperators **Power Generation:** - Gas turbine components - Heat recovery systems - High-temperature fasteners - Boiler components - Nuclear reactor parts **Chemical Processing:** - High-temperature reaction vessels - Petrochemical furnace components - Catalytic converter systems - High-temperature piping --- #### **Key Advantages** 1. **Exceptional High-Temperature Strength**: Maintains mechanical properties at temperatures up to 1200°C (2200°F) 2. **Outstanding Oxidation Resistance**: Superior performance in oxidizing atmospheres 3. **Excellent Thermal Stability**: Resists thermal fatigue and creep deformation 4. **Good Fabricability**: Excellent welding and forming characteristics 5. **Versatile Application Range**: Suitable for both oxidizing and reducing environments 6. **Proven Reliability**: Extensive service history in demanding applications 7. **Good Corrosion Resistance**: Performs well in various industrial environments 8. **Optimized Cost-Performance Ratio**: Balanced composition for economic efficiency --- **Conclusion** Alloy X (UNS N06002) represents a highly versatile nickel-chromium-iron-molybdenum superalloy that delivers reliable performance in extreme high-temperature environments. Its well-balanced chemical composition provides an optimal combination of high-temperature strength, oxidation resistance, and fabricability, making it particularly suitable for demanding applications in aerospace propulsion systems, industrial heating equipment, and power generation facilities. Supported by comprehensive AMS specifications and international standards, Alloy X continues to be the material of choice for engineers and designers seeking proven performance and long-term reliability in high-temperature applications. The alloy's established track record across multiple industries demonstrates its capability to withstand the most challenging operating conditions while maintaining structural integrity and performance.

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 3435 gallon liquid totes Special package is available on request.