Alloy 75,Nimonic 75 Foil,Shim,UNS N06075,E FORU

British Specs:BS HR5 Alloy 75 Bar BS HR203 Alloy 75 sheet BS HR403 Alloy 75 tube* BS HR504 Alloy 75 Bar (rivet)，American Specs:，German Specs:WS 2.4630 WS 2.4951,AFNOR NC 20T

### **Product Datasheet: Alloy 75 / Nimonic 75 Foil & Shim (UNS N06075)** **Alloy 75** (commercially known as **Nimonic 75**) foil and shim products represent the thin-gauge form of this nickel-chromium alloy, offering excellent oxidation resistance and thermal stability in high-temperature applications up to 950°C. These precision-rolled materials are engineered for applications requiring exceptional dimensional stability, precise thickness control, and reliable performance in elevated temperature environments where space constraints and exacting tolerances are critical. --- #### **1. Chemical Composition** The chemical composition of Nimonic 75 foil and shim is precisely controlled to ensure consistent performance in thin sections: | Element | Content (%) | |:---|:---| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 18.0 - 21.0 | | **Iron (Fe)** | 3.0 - 5.0 | | **Titanium (Ti)** | 0.2 - 0.6 | | **Carbon (C)** | 0.08 - 0.15 | | **Manganese (Mn)** | 1.0 max | | **Silicon (Si)** | 1.0 max | | **Copper (Cu)** | 0.5 max | | **Sulfur (S)** | 0.015 max | *Note: The carefully balanced composition ensures consistent high-temperature performance characteristics even in ultra-thin sections, maintaining the alloy's exceptional oxidation resistance.* --- #### **2. Physical Properties** Nimonic 75 foil and shim exhibit the following physical properties: | Property | Value | |:---|:---| | **Density** | 8.31 g/cm³ (0.300 lb/in³) | | **Melting Range** | 1380 - 1425°C (2516 - 2597°F) | | **Coefficient of Thermal Expansion** | 14.5 × 10⁻⁶/°C (20-100°C) | | **Thermal Conductivity** | 12.0 W/m·K (at 100°C) | | **Specific Heat** | 460 J/kg·K (at 100°C) | | **Modulus of Elasticity** | 214 GPa (31 × 10⁶ psi) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Magnetic Permeability** | <1.01 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Typical Mechanical Properties by Temper Condition:** | Temper Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HV) | |:---|:---|:---|:---|:---| | **Annealed** | 660 - 760 | 290 - 380 | 40 - 50 | 160 - 200 | | **¼ Hard** | 760 - 860 | 550 - 650 | 20 - 30 | 200 - 240 | | **½ Hard** | 860 - 960 | 700 - 800 | 12 - 20 | 240 - 280 | | **Full Hard** | 960 - 1060 | 850 - 950 | 8 - 15 | 280 - 320 | --- #### **4. Product Specifications** **Available Forms & Dimensions:** **Foil Specifications:** - **Thickness Range:** 0.025 mm to 0.15 mm (0.001" to 0.006") - **Width Range:** 50 mm to 400 mm (2" to 16") - **Standard Tolerance:** ±0.005 mm for critical dimensions - **Surface Finish:** Bright annealed, matte, or special polished **Shim Stock Specifications:** - **Thickness Range:** 0.05 mm to 1.0 mm (0.002" to 0.040") - **Width Range:** 100 mm to 600 mm (4" to 24") - **Standard Sheets:** 1000 mm × 2000 mm (39" × 79") - **Custom Shapes:** Pre-cut to customer specifications **Temper Conditions Available:** - Annealed (soft condition for forming) - ¼ Hard, ½ Hard, Full Hard (for spring applications) --- #### **5. Product Applications** **Aerospace & Defense:** - **Turbine Engine Shims:** High-temperature gap management - **Heat Shield Components:** Thermal protection layers - **Sealing Elements:** High-temperature gaskets and seals - **Electrical Insulation:** High-temperature electrical insulation **Electronics & Electrical:** - **Heating Elements:** Thin-film heating applications - **Electrical Contacts:** High-temperature electrical contacts - **Thermal Management:** Heat spreader components - **Sensor Components:** High-temperature sensor elements **Industrial Processing:** - **Furnace Components:** High-temperature gaskets and seals - **Heat Treatment:** Fixture and tooling components - **Glass Manufacturing:** Forming and handling components - **Chemical Processing:** Corrosion-resistant shims **Automotive:** - **Turbocharger Components:** Heat shield shims - **Exhaust Systems:** High-temperature gaskets - **Sensor Mounting:** Precision spacing components --- #### **6. International Standards** **Material Standards:** - **UNS N06075**: Unified Numbering System designation - **ASTM B168**: Standard for Nickel-Chromium-Aluminum Alloy Plate, Sheet, and Strip - **AMS 5755**: Aerospace Material Specification - **DIN 2.4951**: German Industrial Standard - **BS HR 501**: British Standard **Dimensional Standards:** - **ASTM B906**: Standard Guide for General Requirements - **ISO 9445**: Continuously cold-rolled stainless steel strip - **MIL-S-22499D**: Shim Stock, Metallic, Corrosion Resistant **Quality & Testing Standards:** - **ASTM E8**: Standard Test Methods for Tension Testing - **ASTM E290**: Standard Test Methods for Bend Testing - **ASTM E345**: Standard Test Methods of Tension Testing of Metallic Foil --- #### **7. High-Temperature Performance** **Excellent Performance In:** - **High-Temperature Oxidation:** Up to 950°C continuous service - **Thermal Cycling:** Good resistance to thermal fatigue - **Creep Resistance:** Maintains dimensional stability at temperature - **Scale Adherence:** Excellent, with protective chromia scale **High-Temperature Performance Data:** - **Continuous Service Temperature:** Up to 950°C (1742°F) - **Oxidation Rate:** <0.1 mm/year at 900°C (1652°F) - **Thermal Stability:** Excellent dimensional stability --- #### **8. Fabrication Characteristics** **Forming Operations:** - **Blankability:** Excellent for precision blanking operations - **Bendability:** Minimum bend radius 1 × thickness - **Deep Drawing:** Good formability in annealed condition - **Stamping:** Suitable for high-volume production **Joining Methods:** - **Resistance Welding:** Excellent for thin sections - **Laser Welding:** Precision joining capability - **Brazing:** Compatible with high-temperature filler metals - **Adhesive Bonding:** Good surface for high-temperature adhesives **Heat Treatment:** - **Solution Annealing:** 1150-1180°C (2100-2150°F) + rapid quench - **Stress Relieving:** 850-900°C (1560-1650°F) - **Aging Treatment:** Optional for specific applications --- #### **9. Quality Assurance** **Testing & Certification:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness, springback tests - **Surface Inspection:** Visual and microscopic examination - **Dimensional Checks:** Thickness, width, flatness verification - **Special Testing:** High-temperature performance tests **Quality Control Parameters:** - **Thickness Control:** ±2% for critical applications - **Width Control:** Precision slitting capabilities - **Surface Quality:** Defect-free surface requirements - **Edge Condition:** Burr-free edges specified - **Flatness:** Stringent flatness requirements --- #### **10. Key Advantages** * **Precision Thickness Control:** Exceptional dimensional accuracy for critical applications * **Excellent High-Temperature Resistance:** Maintains properties up to 950°C * **Superior Oxidation Resistance:** Outstanding performance in high-temperature environments * **Excellent Formability:** Can be stamped, blanked, and formed into complex shapes * **High Strength-to-Weight Ratio:** Ideal for weight-sensitive applications * **Consistent Properties:** Uniform mechanical properties throughout the material * **Industry Compliance:** Meets major international standards Nimonic 75 foil and shim products provide engineers with a high-precision material solution for applications requiring excellent high-temperature resistance, precise dimensional control, and reliable performance in demanding thermal environments, particularly where space constraints, weight considerations, and high-temperature performance are critical factors.

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 2051 gallon liquid totes Special package is available on request.