Alloy 115,Nimonic 115 Foil,Shim,,E FORU

British Specs:BS HR4，American Specs:，German Specs: WS 2.4636,AFNOR NCK 15ATD

### **Product Data Sheet: Alloy 115 / Nimonic 115 Foil & Shim (UNS N07115)** **Overview** **Alloy 115** (commercially known as **Nimonic 115**) is an advanced precipitation-hardenable nickel-chromium-cobalt superalloy designed 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 1000°C (1830°F). Nimonic 115 foil and shim products are precision-rolled to exacting thickness tolerances, providing reliable performance in space-constrained high-temperature applications where thermal stability, oxidation resistance, and precise dimensional characteristics are critical for advanced aerospace and industrial systems. --- #### **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)** | 12.0 - 15.0 | Solid solution strengthener; enhances high-temperature strength | | **Molybdenum (Mo)** | 3.3 - 4.3 | Provides solid solution strengthening and creep resistance | | **Aluminum (Al)** | 4.8 - 5.5 | Primary precipitation hardener (forms γ' phase, Ni₃Al) | | **Titanium (Ti)** | 3.5 - 4.2 | Secondary precipitation hardener; contributes to γ' formation | | **Carbon (C)** | 0.12 - 0.20 | Forms carbides for grain boundary strength | | **Boron (B)** | 0.010 - 0.020 | Strengthens grain boundaries and improves creep life | | **Zirconium (Zr)** | 0.03 - 0.10 | Enhances creep rupture properties | --- #### **2. Physical Properties** | Property | Value / Condition | | :--- | :--- | | **Density** | 8.05 g/cm³ (0.291 lb/in³) | | **Melting Range** | 1330 - 1360°C (2425 - 2480°F) | | **Specific Heat** | 460 J/kg·K (0.110 Btu/lb·°F) @ 20°C | | **Thermal Conductivity** | 12.0 W/m·K (83.2 Btu·in/hr·ft²·°F) @ 20°C | | **Mean Coefficient of Thermal Expansion** | 13.2 × 10⁻⁶/°C (20-100°C) | | | 16.8 × 10⁻⁶/°C (20-800°C) | | **Electrical Resistivity** | 1.25 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:** ±0.002 mm for critical applications * **Standard coil lengths:** 100-500 meters **Shim Dimensions:** * **Thickness:** 0.05 mm to 2.0 mm (0.002" to 0.080") * **Standard sheet sizes:** 300 × 300 mm to 1000 × 2000 mm * **Tolerance:** ±0.005 mm to ±0.025 mm * **Custom blanks and pre-cut shapes available** **Available Conditions:** * Solution annealed (best formability) * Annealed and flattened * Custom tempers for specific applications --- #### **4. Key Characteristics** * **Precision Thickness Control:** Maintains tight tolerances for critical gap management * **Enhanced Temperature Capability:** Superior performance up to 1000°C * **Excellent Creep Strength:** Outstanding stress rupture properties in thin sections * **Superior Oxidation Resistance:** Extended service life in oxidizing environments * **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 * **Excellent Spring Properties:** Maintains tension and load at high temperatures --- #### **5. Product Applications** **Aerospace & Defense:** * **Turbine seal segments and honeycomb seals** * **Combustion chamber gaskets and seals** * **Heat shield components and thermal barriers** * **Turbine blade tip seals** * **Sensor mounting shims and spacers** * **Nozzle guide vane seals** **Power Generation:** * **Advanced gas turbine sealing elements** * **High-temperature gaskets and shims** * **Thermal protection shims** * **Expansion joint fillers** * **Turbine casing seals** **Industrial Processing:** * **High-temperature furnace gaskets and seals** * **Heat treatment fixture spacers** * **Thermal management components** * **Chemical reactor seals** * **Vacuum furnace components** **Electronics & Instrumentation:** * **High-temperature electrical insulation** * **Thermocouple mounting shims** * **Sensor protection foils** * **Vacuum system components** --- #### **6. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07115** | All product forms | | **ASTM** | **ASTM B168** | Standard Specification for Nickel Alloy Sheet and Strip | | **Aerospace (SAE/AMS)** | **AMS 5599** | Sheet, Strip, and Foil | | **British Standard** | **BS HR 7** | Foil and Shim Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4958** | Material number | | **ISO** | **ISO 9727** | Nickel alloy foil for aerospace applications | --- #### **7. Quality Assurance** **Testing & Certification:** * Dimensional verification with laser scanning * Surface quality inspection per ASTM A480 * Chemical composition certification * Mechanical properties reporting * Flatness and straightness measurement * Traceability to original heat number **Special Processing:** * Precision slitting to ±0.05 mm tolerance * Custom blanking and etching * Surface treatment options (passivation, coating) * Protective interleaving and packaging * Clean room packaging for critical applications **Performance Testing:** * High-temperature oxidation testing * Creep relaxation testing * Thermal cycling evaluation * Spring load retention testing --- **Summary** **Alloy 115 Foil and Shim (Nimonic 115, UNS N07115)** provides an exceptional combination of extreme temperature performance, dimensional precision, and fabrication versatility for the most demanding applications. Its enhanced creep resistance and oxidation stability at temperatures up to 1000°C make it particularly suitable for precision sealing, spacing, and thermal management components in advanced gas turbine engines, next-generation 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 115 a preferred choice for extreme temperature service. Compliance with international standards including AMS 5599, ASTM B168, and BS HR 7 ensures reliable performance in critical applications where failure is not an option. Precision manufacturing processes combined with comprehensive quality assurance protocols guarantee material performance and dimensional accuracy, making Nimonic 115 foil and shim the ideal choice for engineers designing systems that must maintain precise clearances and reliable performance under the most severe thermal conditions encountered in modern high-technology applications.

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 2155 gallon liquid totes Special package is available on request.