Alloy W,Hastelloy W Foil,Shim,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 Foil & Shim (UNS N10004)** --- #### **1. Product Overview** **Alloy W** (commercially known as **Hastelloy® W**) is a nickel-molybdenum-chromium superalloy designed for exceptional corrosion resistance in severe chemical environments. The **foil** and **shim** forms of UNS N10004 are precision-rolled to provide ultra-thin, dimensionally stable materials ideal for gaskets, seals, spacers, and specialized components in highly corrosive applications. --- #### **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 | Value | |----------|-------| | Density | 8.94 g/cm³ (0.323 lb/in³) | | Melting Range | 1330–1380°C (2425–2515°F) | | Specific Heat (20°C) | 442 J/kg·K | | Thermal Conductivity (20°C) | 10.9 W/m·K | | Coefficient of Thermal Expansion (20–100°C) | 11.5 µm/m·°C | | Modulus of Elasticity | 205 GPa | --- #### **4. Mechanical Properties** **Foil (Annealed Condition):** - Thickness Range: 0.025–0.15 mm (0.001–0.006 inches) - Tensile Strength: 620–760 MPa - Yield Strength: 275–415 MPa - Elongation: 40–55% **Shim (Hard Temper):** - Thickness Range: 0.15–0.5 mm (0.006–0.020 inches) - Tensile Strength: 895–1100 MPa - Yield Strength: 790–1035 MPa - Elongation: 5–15% --- #### **5. International Standards** | Product Form | Standard | Specification | |--------------|----------|---------------| | Foil | ASTM B435 | Plate, Sheet, and Strip | | Shim | ASTM B906 | Nickel Alloy Strip | | General | AMS 5759 | Bars, Forgings, and Rings | | European | EN 10095 | NiMo16Cr15W | --- #### **6. Product Applications** **Foil Applications:** - Corrosion-resistant gaskets and seals - Thin protective linings for chemical equipment - High-temperature electrical insulation - Flexible connectors in acid handling systems - Laboratory and analytical equipment components **Shim Applications:** - Precision spacers in chemical pumps and valves - Alignment shims for corrosive environments - High-temperature furnace components - Chemical reactor internal spacers - Acid processing equipment adjustments **Industry-Specific Uses:** - Chemical Processing: Gaskets for sulfuric acid systems - Pharmaceuticals: Seals for reaction vessels - Pollution Control: Shim stock for FGD systems - Laboratory: Thin foil for sample handling --- #### **7. Key Features & Benefits** - Excellent resistance to sulfuric, hydrochloric, and phosphoric acids - Maintains mechanical properties at elevated temperatures - Good flexibility and formability in annealed condition - Consistent thickness tolerance (±0.005 mm for foil) - Available in various surface finishes (bright annealed, matte) --- #### **8. Fabrication & Handling** - **Forming**: Good cold formability in annealed condition - **Welding**: Can be welded using GTAW with ERNiMo-16 filler - **Cutting**: Suitable for precision stamping and laser cutting - **Surface Treatment**: Pickling recommended after forming --- #### **9. Available Forms & Sizes** - **Foil**: 0.025–0.15 mm thick, up to 300 mm wide - **Shim**: 0.15–0.5 mm thick, up to 600 mm wide - **Temper**: Annealed, quarter hard, half hard, full hard - **Surface**: Bright annealed, pickled, or special finish --- **Disclaimer:** *Hastelloy® is a registered trademark of Haynes International. This information is for reference purposes. Always consult the manufacturer's technical data sheets for specific application requirements and certified properties.*

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 1882 gallon liquid totes Special package is available on request.