Alloy X,Hastelloy X Bar(Round bar, Flat bar),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 Bar (Round Bar, Flat Bar) UNS N06002** **Alloy X**, commercially known as **Hastelloy® X**, is a nickel-chromium-iron-molybdenum alloy specifically engineered for exceptional high-temperature performance. Registered under the unified numbering system as **UNS N06002**, this solid-solution strengthened nickel-based superalloy offers outstanding high-temperature strength, oxidation resistance, and fabricability. The **bar** product form, including both **round bars** and **flat bars**, is specifically designed for machining high-temperature components, structural elements, and specialized applications in extreme environments. --- ### **1. Chemical Composition** The chemical composition of Hastelloy X (UNS N06002) bar 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 bar 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 bar products: | Property | Round Bar | Flat Bar | | :--- | :--- | :--- | | **Tensile Strength** | 655 - 895 MPa (95 - 130 ksi) | 655 - 860 MPa (95 - 125 ksi) | | **Yield Strength (0.2% Offset)** | 310 - 620 MPa (45 - 90 ksi) | 310 - 585 MPa (45 - 85 ksi) | | **Elongation (in 50mm)** | 40 - 60% | 35 - 55% | | **Reduction of Area** | 50 - 70% | 45 - 65% | * **High-Temperature Performance**: Hastelloy X bar maintains excellent mechanical properties at elevated temperatures, showing exceptional creep rupture strength up to 1200°C (2200°F) and outstanding resistance to thermal fatigue. --- ### **4. International Standards** Hastelloy X (UNS N06002) bar conforms to these international standards: | Standard Body | Standard Designation | Product Form | | :--- | :--- | :--- | | **ASTM International** | **ASTM B572** | Rod/Bar | | **ASME** | **ASME SB-572** | Rod/Bar for pressure vessel components | | **Aerospace Material Specification** | **AMS 5759** | Bars, Forgings, and Rings | | **ASTM International** | **ASTM B166** | Nickel-Chromium-Iron Alloy Rod/Bar | | **European Standard** | **EN 10095** | Heat resisting steels and nickel alloys | | **UNS** | **N06002** | Unified Numbering System | --- ### **5. Product Applications** **Round Bar Applications:** * **Aerospace Components** * Jet engine shafts and spindles * Turbine blade retention pins * Afterburner structural components * Rocket motor parts * **Industrial Manufacturing** * Heat treatment fixture pins * Furnace roller shafts * High-temperature valve stems * Pump shafts and impellers * **Fastener Manufacturing** * High-temperature bolts and studs * Specialized fasteners for severe service * Nuclear component fasteners **Flat Bar Applications:** * **Structural Components** * Furnace support rails and guides * Heat treatment basket frames * Retort structural members * Process equipment supports * **Specialized Applications** * Turbine sealing strips * Heat exchanger baffles * Chemical reactor internals * High-temperature tooling --- ### **6. Manufacturing & Processing** * **Hot Working**: 1149-1232°C (2100-2250°F) * **Annealing**: 1177°C (2150°F) followed by rapid cooling * **Machinability**: Similar to other nickel-based alloys * **Welding**: Excellent weldability using common processes * **Surface Finish**: Hot rolled, cold drawn, or turned finishes available --- ### **7. Available Specifications** * **Round Bar Sizes**: 5mm to 300mm diameter * **Flat Bar Sizes**: 3mm to 150mm thickness, 10mm to 600mm width * **Length**: Standard random lengths or cut to size * **Condition**: Hot finished, annealed, or cold drawn --- **Disclaimer:** *Hastelloy® is a registered trademark of Haynes International. This information is for reference purposes. Always consult relevant material standards and 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 1860 gallon liquid totes Special package is available on request.