Alloy S,Hastelloy S Wire,UNS N06635,E FORU

British Specs:，American Specs: AMS 5711 Bar and Forging AMS 5838 Welding Wire AMS 5873 Sheet, Strip and Plate，German Specs:

**Technical Datasheet: Alloy S (UNS N06635) Wire** --- ### **Overview** Alloy S Wire, commercially known as **Hastelloy® S** and standardized as UNS N06635, is a nickel-chromium-molybdenum superalloy wire product specifically engineered for high-temperature applications requiring exceptional oxidation resistance, thermal stability, and mechanical integrity. The wire form serves as both a welding consumable and a raw material for manufacturing high-temperature components, offering reliable performance in temperatures up to 1200°C (2200°F). --- ### **Chemical Composition (Weight %)** | Element | Content (%) | Role | |---------|-------------|------| | Nickel (Ni) | Balance | Austenitic matrix, thermal stability | | Chromium (Cr) | 14.0–16.0 | Oxidation and sulfidation resistance | | Molybdenum (Mo) | 14.0–16.0 | Solid solution strengthening | | Iron (Fe) | ≤3.0 | Residual element | | Tungsten (W) | ≤1.0 | Enhanced strength at temperature | | Cobalt (Co) | ≤2.0 | Residual control | | Manganese (Mn) | ≤0.50 | Hot workability | | Silicon (Si) | ≤0.40 | Oxidation resistance | | **Lanthanum (La)** | **≥0.02** | **Oxide scale adhesion** | | Carbon (C) | ≤0.015 | Minimized for stability | | Boron (B) | ≤0.010 | Creep ductility | --- ### **Physical Properties** | Property | Value | |----------|-------| | Density | 8.86 g/cm³ (0.320 lb/in³) | | Melting Range | 1335–1380°C (2435–2520°F) | | Thermal Conductivity | 11.0 W/m·K (at 20°C) | | Coefficient of Thermal Expansion | 12.8 μm/m·°C (20–100°C) | | Specific Heat Capacity | 427 J/kg·K | | Electrical Resistivity | 1.30 μΩ·m | --- ### **Mechanical Properties** **Room Temperature (Annealed Condition):** - **Tensile Strength**: 795–895 MPa (115–130 ksi) - **Yield Strength (0.2% Offset)**: 345–415 MPa (50–60 ksi) - **Elongation**: 35–45% - **Hardness**: HRB 85–95 **Elevated Temperature Performance (980°C/1800°F):** - Excellent creep rupture strength - Superior stress rupture life - Outstanding thermal fatigue resistance --- ### **Product Applications** **1. Welding Consumables** - GTAW (TIG) and GMAW (MIG) welding of Alloy S components - Repair and overlay welding of high-temperature equipment - Fabrication of chemical processing equipment **2. High-Temperature Components** - Springs and fasteners for elevated temperature service - Heating element supports and resistance wire - Turbine blade retention wires - Furnace fixture components **3. Aerospace & Defense** - Engine component wiring - High-temperature sensor leads - Thermal protection system components **4. Industrial Processing** - Basket hangers and hooks for heat treatment - Catalyst support wires - Thermocouple protection sheaths --- ### **Available Forms & Sizes** | Form | Diameter Range | Condition | |------|----------------|-----------| | **Spooled Wire** | 0.5–2.5 mm | Annealed | | **Straight Lengths** | 1.0–6.0 mm | Annealed/Cold Finished | | **Cut Rods** | 2.0–10.0 mm | Annealed | --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B572 | UNS N06635 Rod | | **AWS** | A5.14/ISO 18274 | ERNiCrMo-14 classification | | **ASME** | SFA-5.14 | Code-approved welding consumable | | **SAE** | AMS 5772 | Bars, Forgings, and Rings | | **DIN** | 17750 | Nickel alloy wire specifications | | **UNS** | N06635 | Unified Numbering System | --- ### **Fabrication Characteristics** **Welding Performance:** - Excellent arc stability and deposition characteristics - Low spatter generation - Smooth bead appearance - Good wetting and flow characteristics **Forming and Machining:** - Good cold forming properties - Can be drawn to fine diameters - Compatible with standard machining operations - Requires positive rake angles and rigid setup **Heat Treatment:** - Solution anneal at 1177°C (2150°F) minimum - Rapid cooling to room temperature - Stress relief annealing when required --- ### **Quality Assurance** - Certified chemical composition and mechanical properties - Dimensional compliance with specified tolerances - Surface quality free from defects and contamination - Traceability from raw material to finished product - Available with EN 10204 3.1/3.2 certification --- ### **Notes** - "Hastelloy" is a registered trademark of Haynes International - Wire surface finishes: bare, cleaned, or coated - Special packaging available to prevent damage and contamination - Custom sizes and conditions available upon request --- *For specific application requirements, welding parameters, or technical assistance, consult with material specialists or the manufacturer's technical service department.*

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 2897 gallon liquid totes Special package is available on request.