Alloy X,Hastelloy X Rod,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 Rod (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 an outstanding combination of high-temperature strength, oxidation resistance, and fabricability. The **rod** product form is particularly suited for machining high-temperature components, fasteners, and structural elements in extreme environments. --- ### **1. Chemical Composition** The typical chemical composition of Hastelloy X (UNS N06002) rod is as follows (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 rod 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 room temperature mechanical properties for annealed rod product: | Property | Typical Value | | :--- | :--- | | **Tensile Strength** | 655 - 895 MPa (95 - 130 ksi) | | **Yield Strength (0.2% Offset)** | 310 - 620 MPa (45 - 90 ksi) | | **Elongation (in 50mm)** | 40 - 60% | | **Reduction of Area** | 50 - 70% | | **Hardness (Rockwell B)** | 85 - 100 HRB | * **High-Temperature Performance**: Hastelloy X rod retains excellent mechanical properties and exhibits outstanding resistance to oxidation, carburization, and sulfidation at temperatures up to 1200°C (2200°F). It shows remarkable creep rupture strength and thermal fatigue resistance, making it suitable for load-bearing applications in high-temperature environments. --- ### **4. International Standards** Hastelloy X (UNS N06002) rod conforms to the following 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** Hastelloy X rod is widely used for machining components and fasteners for high-temperature applications: * **Aerospace & Defense:** * Jet engine fasteners (bolts, studs, nuts) * Turbine blade retention pins * Afterburner components * Rocket motor parts * **Industrial Furnace & Heat Treatment:** * Heat treatment fixture components * Furnace rolls and guides * Retort supports and hangers * Radiant tube supports * **Chemical & Petrochemical Processing:** * High-temperature valve stems and trim * Reactor internals and agitators * Pump shafts and components * Distillation column internals * **Power Generation:** * Gas turbine components * High-temperature bolting * Steam turbine parts * Boiler components * **General Engineering:** * High-temperature springs * Fasteners for severe service * Machined components for thermal processing * Structural supports in high-temperature environments --- ### **6. Machining and Fabrication** * **Machinability**: Similar to other nickel-based alloys, requiring appropriate tools and techniques * **Welding**: Good weldability using common welding processes * **Heat Treatment**: Solution annealed at 1177°C (2150°F) followed by rapid cooling * **Hot Working**: Recommended working temperature 1149-1232°C (2100-2250°F) * **Cold Working**: Good ductility permits cold forming operations --- **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 1859 gallon liquid totes Special package is available on request.