Alloy 330，Incoloy 330 Foil，Shim，,E FORU

British Specs:，American Specs: AMS 5716 Sheet and Strip，German Specs:

**Alloy 330 / Incoloy 330 Foil & Shim Stock (UNS N08330)** **Product Overview** Alloy 330 foil and shim stock represent the thin-gauge form of this premium nickel-iron-chromium superalloy, specifically engineered for applications requiring exceptional high-temperature performance in confined spaces. These precision-rolled products combine outstanding resistance to oxidation, carburization, and thermal cycling with precise dimensional tolerances, making them ideal for gasketing, spacing, and thermal management applications up to 2200°F (1200°C). --- **Chemical Composition (Weight %)** | Element | Content (%) | Role in Alloy | |---------|-------------|---------------| | Ni | 34.0-37.0 | Provides oxidation/carburization resistance | | Cr | 17.0-20.0 | Forms protective chromium oxide scale | | Fe | Balance | Base element | | Si | 0.75-1.50 | Enhances carburization resistance | | Mn | ≤2.00 | Improves rollability and surface quality | | C | ≤0.08 | Maintains strength in thin sections | | P | ≤0.030 | Controlled impurity | | S | ≤0.030 | Controlled impurity | --- **Physical & Mechanical Properties** | Property | Foil (Annealed) | Shim Stock | |----------|-----------------|------------| | Thickness Range | 0.025-0.15 mm | 0.15-1.50 mm | | Density | 8.0 g/cm³ | 8.0 g/cm³ | | Tensile Strength | 550-690 MPa | 620-760 MPa | | Yield Strength | 240-310 MPa | 275-345 MPa | | Elongation | 35-45% | 30-40% | | Thermal Conductivity | 12.5 W/m·K | 12.5 W/m·K | | Surface Finish | Bright annealed or matte | Matte or pickled | --- **International Standards & Specifications** | Standard Type | Specification | Application | |---------------|---------------|-------------| | ASTM | B906 | General requirements for strip | | ASTM | B536 | Material specification | | Thickness Tolerance | ASTM B906 | Dimensional control | | Width Range | 3-600 mm | Standard offerings | | Temper Conditions | Annealed, 1/4 Hard | Various applications | --- **Applications** 1. **High-Temperature Gasketing** - Furnace door seals - Flange gaskets in thermal processors - Expansion joint seals - Atmosphere furnace seals 2. **Thermal Management** - Heat shields in aerospace - Thermal barriers in electronics - Radiation shields - Temperature uniformity screens 3. **Precision Spacing & Shiming** - Furnace roller alignment - Equipment calibration shims - High-temperature bearing shims - Support spacers in hot zones 4. **Specialty Applications** - Brazing foil and pre-forms - Diffusion barriers - Lamination materials - High-temperature EMI shielding --- **Fabrication Characteristics** **Forming and Handling:** - Excellent ductility in annealed condition - Suitable for stamping and deep drawing - Can be formed into complex shapes - Good springback characteristics in hardened tempers **Joining Methods:** - Resistance welding suitable for thin sections - Laser welding for precision applications - TIG welding for thicker shim stock - Diffusion bonding capability **Surface Considerations:** - Bright annealed surface for aesthetic applications - Matte finish for improved adhesion - Clean, oil-free surfaces for high-temperature service --- **Quality Assurance** - **Dimensional Control**: Tight thickness tolerances maintained - **Surface Quality**: Free from scratches and imperfections - **Flatness**: Controlled to meet application requirements - **Certification**: Full material traceability provided - **Testing**: Mechanical properties verified by lot --- **Alternative Materials Comparison** | Material | Maximum Temperature | Key Advantages/Limitations | |----------|---------------------|----------------------------| | Alloy 330 Foil | 1200°C | Best overall performance | | 310S Stainless | 900°C | Lower cost, limited performance | | Alloy 600 | 1100°C | Good oxidation resistance | | Alloy 601 | 1150°C | Better oxidation resistance | --- **Design Considerations** 1. **Thermal Expansion** - Account for higher expansion rates than carbon steel - Consider in constrained assemblies 2. **Load Conditions** - Select temper based on mechanical requirements - Consider creep in sustained load applications 3. **Environmental Factors** - Optimal for oxidizing and carburizing atmospheres - Not recommended for reducing sulfur environments 4. **Fabrication Limitations** - Minimum bend radii apply - Work hardening characteristics vary by temper --- **Conclusion** Alloy 330 foil and shim stock provide exceptional high-temperature performance in thin-section applications where space is limited but reliability is critical. Their combination of oxidation resistance, carburization resistance, and thermal stability makes them invaluable for sealing, spacing, and thermal management applications in demanding industrial environments. Available in various tempers and surface finishes, these materials offer designers and engineers versatile solutions for the most challenging high-temperature applications across aerospace, heat treating, and energy industries.

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 2714 gallon liquid totes Special package is available on request.