Alloy 601，Inconel 601 Foil，Shim，UNS N06601，EFORU

British Specs:，American Specs:AMS 5715 Bar and Forgings AMS 5870 Sheet, Strip and Plate ASTM B166 ASTM B167 ASTM B168 ASTM B751 ASTM B775 ASTM B829，German Specs:WS 2.4851

### **Alloy 601 / Inconel 601 Foil & Shim / UNS N06601 – Nickel-Chromium-Iron-Aluminum Alloy Thin Products** **Product Overview** Inconel 601 Foil and Shim (UNS N06601) represent the thinnest available product forms of this nickel-chromium-iron-aluminum alloy, precision-engineered for applications requiring minimal thickness, precise dimensional control, and superior performance in high-temperature and corrosive environments. These ultra-thin materials maintain the alloy's characteristic excellent high-temperature oxidation resistance, mechanical strength, and corrosion resistance while offering exceptional flexibility and formability for specialized applications in aerospace, electronics, and precision instrumentation industries operating at temperatures up to 1250°C (2282°F). --- **Chemical Composition (ASTM B168)** | Element | Content (%) | |----------------|----------------| | **Nickel (Ni)** | 58.0–63.0 | | **Chromium (Cr)**| 21.0–25.0 | | **Iron (Fe)** | Balance | | **Aluminum (Al)**| 1.0–1.7 | | **Copper (Cu)** | 1.0 max | | **Manganese (Mn)**| 1.0 max | | **Carbon (C)** | 0.10 max | | **Silicon (Si)** | 0.50 max | | **Sulfur (S)** | 0.015 max | *The aluminum content enables formation of a continuous, adherent aluminum oxide layer that provides exceptional high-temperature oxidation resistance up to 1250°C.* --- **Physical Properties** | Property | Value | |-------------------------------|---------------------------------| | **Density** | 8.11 g/cm³ (0.293 lb/in³) | | **Melting Range** | 1320–1370°C (2410–2500°F) | | **Electrical Resistivity** | 118 μΩ·cm (at 21°C) | | **Thermal Conductivity** | 11.2 W/m·K (at 100°C) | | **Mean Coefficient of Thermal Expansion** | 14.2 μm/m·°C (20–100°C) | | **Modulus of Elasticity** | 200 GPa (29,000 ksi) | | **Magnetic Permeability** | <1.005 (Essentially non-magnetic)| --- **Mechanical Properties (Foil & Shim – Annealed Condition)** | Property | Foil (0.025-0.1mm) | Shim (0.1-0.5mm) | Precision Shim (0.5-1.0mm) | |-----------------------------|--------------------|------------------|----------------------------| | **Tensile Strength** | 550–680 MPa | 580–720 MPa | 600–750 MPa | | **Yield Strength (0.2% Offset)** | 200–290 MPa | 220–310 MPa | 240–330 MPa | | **Elongation in 2"** | 25–40% | 30–45% | 35–50% | | **Hardness** | 60–80 HRB | 65–85 HRB | 70–90 HRB | | **Fatigue Strength** | 240 MPa | 260 MPa | 280 MPa | --- **Product Specifications & Available Forms** **Foil Products** - **Thickness Range**: 0.025 mm to 0.1 mm (0.001" to 0.004") - **Width Availability**: 50 mm to 300 mm (2" to 12") - **Standard Conditions**: Annealed, 1/4 hard, 1/2 hard, full hard - **Tolerance**: ±0.002 mm for precision grades **Shim Products** - **Thickness Range**: 0.1 mm to 1.0 mm (0.004" to 0.040") - **Width Availability**: Up to 600 mm (24") - **Standard Forms**: Rolls, sheets, custom blanks - **Tolerance**: ±0.005 mm for precision shims **Special Variants** - **Laminated Shims**: Multiple thicknesses for selective removal - **Precision Blanks**: Custom-shaped components - **Embossed Foils**: Patterned surfaces for specific applications - **Composite Materials**: Clad with other high-temperature materials --- **Key Characteristics & Advantages** 1. **Ultra-Thin Capability** – Maintains integrity and properties at minimal thicknesses 2. **Exceptional High-Temperature Performance** – Maintains properties up to 1250°C (2282°F) 3. **Precision Thickness Control** – Tight tolerances for critical applications 4. **Superior Oxidation Resistance** – Outstanding performance in oxidizing atmospheres 5. **Non-Magnetic Characteristics** – Essential for electronic and instrument applications 6. **Good Formability** – Can be stamped, bent, and formed in annealed condition 7. **Excellent Thermal Stability** – Resists thermal fatigue and cyclic oxidation --- **Product Applications** **Aerospace & Defense** - Thermal protection system components - High-temperature gaskets and seals - Precision shims for alignment in jet engines - EMI/RFI shielding components - Thin-wall thermal barriers **Electronics & Electrical** - High-temperature lead frames - Connector components for elevated temperature service - Spring contacts for hot environments - Battery components requiring thermal resistance - Shielding for high-temperature electronics **Precision Instruments** - High-temperature calibration shims - Instrument springs for thermal applications - Sensing diaphragms for hot processes - Precision spacers in furnace equipment - High-temperature gauge components **Industrial Applications** - High-temperature gaskets for furnace doors - Pump seal components for hot fluids - Bearing seals in high-temperature machinery - Valve diaphragms for thermal processes - Compressor shims for hot gas systems **Medical Devices** - Surgical instrument components for sterilization - Implantable device parts requiring biocompatibility - Medical spring elements for autoclave equipment - Diagnostic equipment shims for thermal cycling --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06601** | Unified Numbering System | | **ASTM** | B168 | Nickel-Chromium-Iron Alloy Plate, Sheet, and Strip | | **AMS** | 5715 | Aerospace Material Specification | | **DIN** | 2.4851 | German Standard | | **EN** | NiCr23Fe | European Standard | | **JIS** | NCF 601 | Japanese Industrial Standard | --- **Manufacturing & Processing** **Rolling Capabilities** - **Cold Rolling**: Precision rolling to exact thickness requirements - **Temper Control**: Various tempers available for different applications - **Surface Finish**: Bright cold-rolled, matte, or special finishes - **Slitting**: Precision slitting to required widths **Heat Treatment** - **Solution Annealing**: 1065–1175°C (1950–2150°F) for soft condition - **Stress Relieving**: 760–870°C (1400–1600°F) for formed components - **Atmosphere Control**: Bright annealing for scale-free surfaces **Fabrication Guidelines** - **Blanking**: Precision blanking for component manufacture - **Forming**: Best performed in annealed condition - **Etching**: Chemical etching for complex shapes - **Joining**: Welding and brazing with proper procedures --- **Quality Assurance & Testing** **Dimensional Verification** - Thickness measurement using laser gauges - Width and length verification - Flatness measurement - Surface roughness analysis **Material Testing** - Tensile testing from representative samples - Hardness verification - Microstructural examination - High-temperature oxidation testing **Certification Requirements** - Mill Test Certificates per EN 10204 3.1 - Chemical analysis certificates - Mechanical test reports - Dimensional inspection reports - Special testing as required --- **High-Temperature Performance** **Oxidation Resistance Data** - **Maximum Service Temperature**: 1250°C (2282°F) - **Cyclic Oxidation Life**: >1000 cycles at 1150°C - **Oxidation Rate**: <0.3 mm/year at 1100°C - **Scale Adherence**: Excellent, self-healing Al₂O₃ scale **Thermal Properties** - **Continuous Service Limit**: 1150°C (2102°F) - **Short-term Exposure**: Up to 1250°C (2282°F) - **Thermal Cycling**: Excellent resistance to thermal fatigue - **Scale Spalling**: Minimal even under severe thermal cycling --- **Special Features & Benefits** **Foil-Specific Advantages** - Ultra-thin yet strong material solution - Excellent for high-temperature shielding applications - Good flexibility and formability at thin gauges - Consistent mechanical properties in thin sections **Shim-Specific Advantages** - Precision thickness control for critical alignments - Excellent for high-temperature alignment applications - Maintains properties under compression at elevated temperatures - Long-term dimensional stability in thermal environments **General Benefits** - Superior oxidation resistance in thin sections - Excellent high-temperature capability - Low magnetic permeability - Good elevated temperature fatigue performance --- **Technical Specifications** **Thickness Tolerances** - **0.025–0.05 mm**: ±0.002 mm - **0.05–0.1 mm**: ±0.003 mm - **0.1–0.25 mm**: ±0.005 mm - **0.25–0.5 mm**: ±0.008 mm - **0.5–1.0 mm**: ±0.010 mm **Surface Finish Options** - Bright cold-rolled finish - Matte finish - Polished finish (various grits) - Special surface treatments available --- **Packaging & Handling** **Foil Packaging** - Wound on plastic or metal cores - Interleaved with protective paper - Vacuum sealed for corrosion protection - Boxed for shipment and storage **Shim Packaging** - Flat packed between protective sheets - Individual piece protection - Moisture-proof wrapping - Clearly labeled for identification **Storage & Handling** - Clean, dry storage conditions - Protection from mechanical damage - Flat storage to prevent creasing - Proper handling to avoid contamination --- **Conclusion** Inconel 601 Foil and Shim (UNS N06601) provide engineers with ultra-thin, high-performance material solutions that maintain the alloy's characteristic high-temperature strength and excellent oxidation resistance. The precision manufacturing of these thin products enables their use in critical applications across aerospace, electronics, medical, and industrial sectors where minimal thickness, precise dimensions, and reliable high-temperature performance are essential. With comprehensive quality assurance and international certification, Inconel 601 foil and shim products offer trusted solutions for the most demanding thin-section applications in high-temperature corrosive environments where conventional materials cannot perform.

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 1739 gallon liquid totes Special package is available on request.