Alloy W,Hastelloy W Wire,UNS N10004,E FORU

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

### **Technical Datasheet: Alloy W / Hastelloy® W Wire (UNS N10004)** --- #### **1. Product Overview** **Alloy W** (commercially known as **Hastelloy® W**) is a nickel-molybdenum-chromium superalloy specifically engineered for exceptional corrosion resistance in severe chemical environments. The **wire** form of UNS N10004 is manufactured to precise dimensional standards, offering excellent fabricability and consistent performance in corrosive applications up to **980°C (1800°F)**. --- #### **2. Chemical Composition** | Element | Content (%) | |---------|-------------| | Nickel (Ni) | Balance | | Molybdenum (Mo) | 23.0–26.0 | | Chromium (Cr) | 4.5–7.0 | | Iron (Fe) | 4.0–7.0 | | Tungsten (W) | 0.5–1.5 | | Cobalt (Co) | ≤ 2.5 | | Manganese (Mn) | ≤ 1.0 | | Silicon (Si) | ≤ 1.0 | | Carbon (C) | ≤ 0.12 | | Vanadium (V) | ≤ 0.2 | | Sulfur (S) | ≤ 0.03 | | Phosphorus (P) | ≤ 0.04 | --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 8.94 g/cm³ | 0.323 lb/in³ | | Melting Point | 1330–1380°C | 2425–2515°F | | Specific Heat (20°C) | 442 J/kg·K | 0.106 Btu/lb·°F | | Thermal Conductivity (20°C) | 10.9 W/m·K | 75.6 Btu·in/hr·ft²·°F | | Electrical Resistivity | 1.30 μΩ·m | 790 ohm·cir mil/ft | | Modulus of Elasticity | 205 GPa | 29.7 × 10⁶ psi | --- #### **4. Mechanical Properties** **Annealed Condition:** | Property | Value | |----------|-------| | Tensile Strength | 620–760 MPa (90–110 ksi) | | Yield Strength (0.2% Offset) | 275–415 MPa (40–60 ksi) | | Elongation | 35–50% | | Reduction of Area | 50–70% | **Hard Condition:** | Property | Value | |----------|-------| | Tensile Strength | 895–1170 MPa (130–170 ksi) | | Yield Strength (0.2% Offset) | 825–1035 MPa (120–150 ksi) | | Elongation | 8–20% | --- #### **5. International Standards** | Standard Body | Standard Number | Specification | |---------------|-----------------|---------------| | ASTM International | ASTM B572 | Rod/Bar (Wire Rod) | | ASTM International | ASTM F2396 | Welding and Brazing Wire | | AWS | AWS A5.14 | Nickel Alloy Welding Electrodes | | AMS | AMS 5759 | Bars, Forgings, and Rings | | European | EN 10095 | NiMo16Cr15W | --- #### **6. Product Applications** **Welding & Fabrication:** - Welding wire for joining similar and dissimilar alloys - Cladding and overlay applications - Repair welding of chemical processing equipment - Brazing wire for high-temperature applications **Industrial Components:** - Wire mesh for corrosive filtration - Spring wire for chemical environments - Fastener manufacturing (pins, clips) - Electrical resistance heating elements - Basket weaving for heat treatment fixtures **Chemical Processing:** - Catalyst support wires - Laboratory apparatus components - Sensor and probe wires - Acid handling system components --- #### **7. Corrosion Resistance** - **Excellent** resistance to sulfuric acid at all concentrations - **Good** performance in hydrochloric and phosphoric acids - **Superior** resistance to stress corrosion cracking - **Excellent** performance in mixed acid environments - **Good** oxidation resistance at elevated temperatures --- #### **8. Available Forms & Specifications** - **Diameter Range**: 0.1–6.0 mm (0.004–0.250 inches) - **Spool Sizes**: 1–50 lb spools - **Temper**: Annealed, hard, spring temper - **Surface Finish**: Bright, descaled, or coated - **Packaging**: Spooled, coiled, or straight lengths --- #### **9. Fabrication Characteristics** - **Weldability**: Excellent using GTAW, GMAW processes - **Formability**: Good in annealed condition - **Machinability**: Similar to other nickel-based alloys - **Heat Treatment**: Solution anneal at 1150–1200°C - **Cleaning**: Pickling recommended after heat treatment --- #### **10. Quality Assurance** - Certified to ASTM B572 and AWS A5.14 - Full traceability with heat number identification - Dimensional compliance with specified tolerances - Surface quality free from defects and contamination --- **Disclaimer:** *Hastelloy® is a registered trademark of Haynes International. This information is for reference purposes only. For specific applications, always consult the manufacturer's technical data sheets and conduct appropriate testing to verify performance suitability.*

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 1883 gallon liquid totes Special package is available on request.