Alloy X,Hastelloy X Sheet,UNS N06002,E FORU

British Specs:，American Specs:AMS 5755 Bar and Forgings AMS 5786 Welding Wire，German Specs:

### **Product Datasheet: Alloy X / Hastelloy® X Sheet (UNS N06002)** **Overview** **Alloy X**, commercially known as **Hastelloy® X**, is a nickel-chromium-iron-molybdenum superalloy specifically engineered for extreme high-temperature service. Designated as **UNS N06002**, this solid-solution strengthened nickel-based alloy offers exceptional oxidation resistance, high-temperature strength, and excellent fabricability. The **sheet** form of Hastelloy X is particularly suited for fabrication of complex components through cutting, bending, and welding processes, performing reliably in temperatures up to **1200°C (2200°F)**. --- ### **1. Chemical Composition** The chemical composition of Hastelloy X (UNS N06002) sheet conforms to the following specifications (balance is Nickel): | Element | Content (%) | |---------|-------------| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 20.5 - 23.0 | | **Iron (Fe)** | 17.0 - 20.0 | | **Molybdenum (Mo)** | 8.0 - 10.0 | | **Cobalt (Co)** | 0.5 - 2.5 | | **Tungsten (W)** | 0.2 - 1.0 | | **Carbon (C)** | 0.05 - 0.15 | | **Manganese (Mn)** | ≤ 1.00 | | **Silicon (Si)** | ≤ 1.00 | | **Phosphorus (P)** | ≤ 0.040 | | **Sulfur (S)** | ≤ 0.030 | | **Boron (B)** | ≤ 0.010 | * **Functional Role of Key Elements:** * **Ni (Nickel)**: Forms the austenitic matrix, providing fundamental corrosion resistance and microstructural stability at high temperatures. * **Cr (Chromium)**: Enables formation of a protective chromium oxide layer (Cr₂O₃), delivering exceptional oxidation resistance. * **Mo & W (Molybdenum & Tungsten)**: Provide solid-solution strengthening, significantly enhancing high-temperature creep resistance and strength. * **C (Carbon)**: Contributes to elevated temperature strength through solid solution strengthening. --- ### **2. Physical Properties** Characteristic physical properties for Hastelloy X sheet at room temperature: | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Density** | 8.22 g/cm³ | 0.297 lb/in³ | | **Melting Point** | 1260 - 1355 °C | 2300 - 2475 °F | | **Specific Heat (20°C)** | 455 J/kg·K | 0.109 Btu/lb·°F | | **Thermal Conductivity (20°C)** | 11.9 W/m·K | 82.7 Btu·in/hr·ft²·°F | | **Mean Coefficient of Thermal Expansion (20-1000°C)** | 14.0 μm/m·°C | 7.8 x10⁻⁶ in/in·°F | | **Modulus of Elasticity** | 205 GPa | 29.7 x 10⁶ psi | --- ### **3. Mechanical Properties** Typical mechanical properties for annealed Hastelloy X sheet: | Property | Typical Value | |----------|---------------| | **Tensile Strength** | 655 - 860 MPa (95 - 125 ksi) | | **Yield Strength (0.2% Offset)** | 310 - 585 MPa (45 - 85 ksi) | | **Elongation (in 50mm)** | 35 - 55% | | **Hardness (Rockwell B)** | 85 - 100 HRB | * **High-Temperature Performance**: Hastelloy X sheet maintains excellent mechanical properties and exhibits outstanding resistance to oxidation, carburization, and sulfidation at temperatures up to 1200°C (2200°F). It demonstrates remarkable creep rupture strength and thermal fatigue resistance, making it ideal for high-temperature structural applications. --- ### **4. International Standards** Hastelloy X (UNS N06002) sheet conforms to the following international standards: | Standard Body | Standard Designation | Product Form | |---------------|----------------------|--------------| | **ASTM International** | **ASTM B435** | Plate, Sheet, and Strip | | **ASME** | **ASME SB-435** | Pressure Vessel Components | | **Aerospace Material Specification** | **AMS 5759** | Bars, Forgings, and Rings | | **European Standard** | **EN 10095** | Heat-Resisting Steels and Nickel Alloys | | **UNS** | **N06002** | Unified Numbering System | --- ### **5. Product Applications** Hastelloy X sheet is extensively utilized in applications requiring formable material with superior high-temperature performance: **Aerospace & Defense:** - Jet engine combustion chamber liners - Afterburner components and heat shields - Exhaust system assemblies and ducts - Rocket motor casings and components **Industrial Furnace & Heat Treatment:** - Furnace inner linings and curtains - Heat treatment containers and covers - Radiant heat shields and baffles - Annealing furnace internal components **Chemical & Petrochemical Processing:** - High-temperature gaskets and seals - Expansion bellows for piping systems - Reactor internal liners and covers - Catalyst support components **Power Generation:** - Combustion chamber liners in gas turbines - Heat exchanger shrouds and baffles - Ducting systems for high-temperature gases - Boiler and superheater components **General Engineering:** - Heat treating fixtures and trays - Thermal processing equipment - High-temperature tooling and forms - Specialty manufacturing components --- ### **6. Fabrication Characteristics** - **Formability**: Excellent in annealed condition for complex shapes - **Weldability**: Good weldability using standard nickel alloy techniques (GTAW, GMAW) - **Machining**: Requires appropriate tools and techniques for nickel-based alloys - **Heat Treatment**: Solution annealed at 1177°C (2150°F) followed by rapid cooling - **Surface Finish**: Available with various surface finishes including matte, 2B, and polished --- ### **7. Available Specifications** - **Thickness Range**: 0.5mm to 6.0mm (0.020" to 0.250") - **Width Range**: Up to 1500mm (60 inches) - **Condition**: Annealed or solution treated - **Surface Quality**: Hot-rolled, cold-rolled, or polished finishes --- **Disclaimer:** *Hastelloy® is a registered trademark of Haynes International. This information is for reference purposes only and based on typical industry data. For specific design and procurement, always consult the relevant material standards and the manufacturer's technical data sheets for certified properties. Performance in specific applications should be verified through appropriate testing.*

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 1864 gallon liquid totes Special package is available on request.