Alloy 105,Nimonic 105 Foil,Shim,,E FORU

British Specs:BS HR3，American Specs:，German Specs:WS 2.4634,AFNOR NCKD 20ATv

### **Product Data Sheet: Alloy 105 / Nimonic 105 Foil & Shim (UNS N07105)** **Overview** **Alloy 105** (commercially known as **Nimonic 105**) is a precipitation-hardenable nickel-chromium-cobalt superalloy specifically engineered for extreme temperature service. In the form of **foil and shim**, this material delivers exceptional **creep strength, outstanding oxidation resistance, and precise dimensional control** at temperatures up to 950°C (1740°F). Nimonic 105 foil and shim products are precision-rolled to exacting thickness tolerances, providing reliable performance in space-constrained high-temperature applications where thermal stability and oxidation resistance are critical. --- #### **1. Chemical Composition** | Element | Content (%) (Typical) | Role in the Alloy | | :--- | :--- | :--- | | **Nickel (Ni)** | Balance | Austenitic matrix; provides corrosion resistance and ductility | | **Chromium (Cr)** | 14.0 - 15.7 | Confers oxidation and hot corrosion resistance | | **Cobalt (Co)** | 18.0 - 22.0 | Solid solution strengthener; enhances high-temperature strength | | **Molybdenum (Mo)** | 4.5 - 5.5 | Provides solid solution strengthening and creep resistance | | **Aluminum (Al)** | 4.5 - 4.9 | Primary precipitation hardener (forms γ' phase, Ni₃Al) | | **Titanium (Ti)** | 0.9 - 1.5 | Secondary precipitation hardener; contributes to γ' formation | | **Carbon (C)** | 0.12 - 0.20 | Forms carbides for grain boundary strength | | **Boron (B)** | 0.005 - 0.015 | Strengthens grain boundaries and improves creep life | | **Zirconium (Zr)** | 0.05 - 0.15 | Enhances creep rupture properties | --- #### **2. Physical Properties** | Property | Value / Condition | | :--- | :--- | | **Density** | 8.06 g/cm³ (0.291 lb/in³) | | **Melting Range** | 1330 - 1360°C (2425 - 2480°F) | | **Specific Heat** | 455 J/kg·K (0.109 Btu/lb·°F) @ 20°C | | **Thermal Conductivity** | 11.5 W/m·K (79.7 Btu·in/hr·ft²·°F) @ 20°C | | **Mean Coefficient of Thermal Expansion** | 12.8 × 10⁻⁶/°C (20-100°C) | | | 16.2 × 10⁻⁶/°C (20-800°C) | | **Electrical Resistivity** | 1.28 μΩ·m @ 20°C | --- #### **3. Product Specifications** **Foil Dimensions:** * **Thickness:** 0.025 mm to 0.5 mm (0.001" to 0.020") * **Width:** Up to 300 mm (12") * **Tolerance:** ±0.0025 mm for critical applications **Shim Dimensions:** * **Thickness:** 0.05 mm to 2.0 mm (0.002" to 0.080") * **Standard Sizes:** Custom blanks and pre-cut shapes * **Tolerance:** ±0.005 mm to ±0.025 mm **Available Conditions:** * Solution annealed * Annealed and flattened * Custom tempers available --- #### **4. Key Characteristics** * **Precision Thickness Control:** Maintains tight tolerances for critical applications * **Excellent High-Temperature Strength:** Retains mechanical properties at extreme temperatures * **Superior Oxidation Resistance:** Continuous service capability up to 950°C * **Outstanding Formability:** Can be stamped, bent, and formed into complex shapes * **Thermal Stability:** Minimal dimensional change during thermal cycling * **Consistent Surface Quality:** Optimal for coating and subsequent processing * **Creep Resistance:** Withstands prolonged stress at elevated temperatures --- #### **5. Product Applications** **Aerospace & Defense:** * **Turbine seal segments** * **Combustion chamber gaskets** * **Heat shield components** * **Thermal barrier spacers** * **Sensor mounting shims** **Power Generation:** * **Gas turbine sealing elements** * **High-temperature gaskets** * **Thermal protection shims** * **Expansion joint fillers** **Industrial Processing:** * **Furnace gaskets and seals** * **Heat treatment fixture spacers** * **High-temperature sensor shims** * **Thermal management components** **Electronics & Instrumentation:** * **High-temperature electrical insulation** * **Thermocouple mounting shims** * **Vacuum furnace components** --- #### **6. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07105** | All product forms | | **ASTM** | **ASTM B168** | Standard Specification for Nickel Alloy Sheet and Strip | | **Aerospace (SAE/AMS)** | **AMS 5598** | Sheet, Strip, and Foil | | **British Standard** | **BS HR 6** | Foil and Shim Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4634** | Material number | | **ISO** | **ISO 9724** | Nickel alloy foil for aerospace applications | --- #### **7. Quality Assurance** **Testing & Certification:** * Dimensional verification * Surface quality inspection * Chemical composition certification * Mechanical properties reporting * Traceability to original heat number **Special Processing:** * Precision slitting capabilities * Custom blanking and shaping * Surface treatment options * Protective packaging for delicate foils --- **Summary** **Alloy 105 Foil and Shim (Nimonic 105, UNS N07105)** provides an exceptional combination of high-temperature performance, dimensional precision, and fabrication versatility for the most demanding applications. Its superior creep resistance and oxidation stability at temperatures up to 950°C make it particularly suitable for precision sealing, spacing, and thermal management components in gas turbine engines, power generation equipment, and high-temperature industrial systems. The foil and shim forms offer excellent formability and consistent quality, enabling the production of complex, thin-section components while maintaining the superior properties that make Nimonic 105 a preferred choice for extreme temperature service. Compliance with international standards including AMS 5598, ASTM B168, and BS HR 6 ensures reliable performance in critical applications where failure is not an option.

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 2142 gallon liquid totes Special package is available on request.