Alloy S,Hastelloy S Strip,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) Strip** **Overview** Alloy S Strip, commercially known as Hastelloy® S Strip and standardized as UNS N06635, is a nickel-chromium-molybdenum wrought superalloy supplied in thin, narrow coil or straight length form. This product is specifically engineered for applications requiring precision dimensions, exceptional surface finish, and superior performance in high-temperature environments up to 1200°C (2200°F). The strip form offers unique advantages for automated manufacturing processes and applications where precise thickness control and consistent mechanical properties are critical. **Key Characteristics of Alloy S Strip** - **Precision Dimensional Control**: Maintains tight thickness and width tolerances for automated manufacturing - **Superior Surface Quality**: Excellent surface finish suitable for demanding applications - **Outstanding Thermal Stability**: Resists embrittlement and maintains properties during prolonged high-temperature exposure - **Excellent Formability**: Can be easily stamped, blanked, and formed into complex shapes - **Consistent Mechanical Properties**: Uniform characteristics throughout the coil or length --- **Chemical Composition (Weight % Typical)** | Element | Percentage (%) | Primary Function | |---------|----------------|------------------| | **Nickel (Ni)** | Balance (~67%) | Austenitic matrix foundation providing thermal stability | | **Chromium (Cr)** | 14.0 - 16.0% | Primary oxidation and sulfidation resistance | | **Molybdenum (Mo)** | 14.0 - 16.0% | Solid solution strengthening and reducing environment resistance | | **Iron (Fe)** | 3.0% max | Residual element control | | **Tungsten (W)** | 1.0% max | Enhanced solid solution strengthening | | **Cobalt (Co)** | 2.0% max | Controlled residual element | | **Manganese (Mn)** | 0.50% max | Hot workability enhancement | | **Silicon (Si)** | 0.40% max | Oxidation resistance improvement | | **Lanthanum (La)** | 0.02% min | **Critical element** for oxide scale adhesion under thermal cycling | | **Carbon (C)** | 0.015% max | Minimized to prevent detrimental carbide formation | | **Boron (B)** | 0.010% max | Creep ductility enhancement | *Note: "Hastelloy" is a registered trademark of Haynes International Inc.* --- **Physical Properties (Typical - Annealed Condition)** | 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) | | **Mean Coefficient of Thermal Expansion** | 12.8 μm/m·°C (20-100°C) | | **Modulus of Elasticity** | 211 GPa (30.6 x 10⁶ psi) | | **Specific Heat Capacity** | 427 J/kg·K (at 20°C) | | **Electrical Resistivity** | 1.30 μΩ·m | --- **Mechanical Properties (Typical for Strip Product)** **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**: Rb 85-95 - **Springback Characteristics**: Predictable and consistent for forming operations **Elevated Temperature Performance (980°C / 1800°F):** - **Stress-Rupture Strength**: Excellent long-term performance - **Creep Resistance**: Superior deformation resistance under load - **Fatigue Strength**: Good resistance to cyclic loading conditions --- **Product Applications** Alloy S Strip is specified for precision components requiring high-temperature performance and corrosion resistance: **Electronics & Electrical:** - High-temperature electrical connector components - Spring contacts for elevated temperature service - Battery and fuel cell components - Lead frames for high-power devices **Industrial Thermal Processing:** - Precision furnace shims and spacers - High-temperature gaskets and seals - Thermal management components - Instrumentation mounting elements **Automotive & Aerospace:** - Turbocharger components - Exhaust system shims - Sensor mounting hardware - High-temperature spring elements **Medical & Precision Instruments:** - Surgical instrument components - High-temperature analyzer parts - Laboratory furnace components - Precision mechanical assemblies --- **International Standards for Strip Products** | Standard Organization | Standard Number | Description | |---------------------|-----------------|-------------| | **ASTM International** | **ASTM B575** | Standard Specification for Low-Carbon Nickel-Molybdenum-Chromium Alloy Plate, Sheet, and Strip | | **ASTM International** | **ASTM B906** | Standard Specification for General Requirements for Flat-Rolled Nickel and Nickel Alloys | | **ASME** | **ASME SB-575** | Code-approved version for pressure component applications | | **SAE International** | **AMS 5790** | Sheet, Strip, and Plate, Corrosion and Heat-Resistant, Nickel Alloy 66Cr-15Mo-2W (UNS N06635) | | **ISO** | **ISO 6208** | Nickel and nickel alloy strip - technical delivery conditions | | **DIN** | **DIN 17750** | Nickel and nickel alloy strip - dimensions | | **UNS** | **UNS N06635** | Unified numbering system designation | **Available Strip Specifications:** - **Thickness**: 0.05mm to 2.0mm (0.002" to 0.078") - **Widths**: 2mm to 300mm (0.078" to 12") - **Lengths**: Coils or straight lengths to customer requirements - **Temper Conditions**: Annealed, 1/4 hard, 1/2 hard, full hard - **Surface Finish**: Bright annealed, cold rolled, pickled, or special polished **Fabrication Notes:** - **Stamping**: Excellent for progressive die operations - **Forming**: Predictable springback characteristics - **Welding**: Compatible with resistance welding and laser welding - **Heat Treatment**: Solution annealed at 1177°C (2150°F) minimum - **Slitting**: Precision slitting available to close width tolerances **Quality Assurance:** - Dimensional verification to specified tolerances - Surface quality inspection per ASTM A480 - Mechanical testing certification - Chemical analysis certification - Special testing available upon request **Disclaimer:** This technical information is provided for reference purposes only. Specific properties may vary depending on manufacturing process, heat treatment, temper condition, and strip dimensions. For critical applications, always consult the appropriate material standards and manufacturer's certified test reports. "Hastelloy" is a registered trademark of Haynes International.

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 2892 gallon liquid totes Special package is available on request.