Alloy 115,Nimonic 115 Strip,,E FORU

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

### **Product Data Sheet: Alloy 115 / Nimonic 115 Strip (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 **strip**, this material delivers **exceptional creep strength, outstanding oxidation resistance, and superior dimensional precision** at temperatures up to 1000°C (1830°F). Nimonic 115 strip is precision-rolled to exacting tolerances, making it ideal for applications requiring tight dimensional control, consistent mechanical properties, and reliable performance in extreme thermal environments. The strip form combines the alloy's enhanced high-temperature capabilities with exceptional formability and surface quality for advanced manufacturing applications. --- #### **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 | | **Manganese (Mn)** | 0.50 max | Controls sulfur content | | **Silicon (Si)** | 0.50 max | Improves oxidation resistance | | **Iron (Fe)** | 1.0 max | Residual element | --- #### **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 | | **Modulus of Elasticity** | 215 GPa (31.2 × 10⁶ psi) @ 20°C | --- #### **3. Mechanical Properties** **Typical Room Temperature Properties (Solution Treated & Aged)** * **Tensile Strength:** 1100-1300 MPa (160-188 ksi) * **Yield Strength (0.2% Offset):** 800-950 MPa (116-138 ksi) * **Elongation:** 8-15% **Elevated Temperature Performance** * **Stress Rupture Strength (1000 hours):** * **850°C (1560°F):** ~180 MPa (~26.1 ksi) * **950°C (1740°F):** ~80 MPa (~11.6 ksi) * **1000°C (1830°F):** ~45 MPa (~6.5 ksi) --- #### **4. Product Specifications** **Strip Dimensions:** * **Thickness:** 0.05mm to 2.0mm (0.002" to 0.080") * **Width:** 2mm to 600mm (0.08" to 24") * **Custom slitting available to precise width requirements** **Tolerances:** * **Thickness:** ±0.003mm for precision applications * **Width:** ±0.05mm for slitted edges * **Flatness:** Controlled to meet aerospace requirements * **Camber:** 1mm per meter maximum **Surface Quality:** * Bright annealed finish * Pickled finish available * Special surface finishes upon request * Surface roughness: Ra ≤ 0.4 μm (bright annealed) --- #### **5. Key Characteristics** * **Precision Dimensional Control:** Maintains tight tolerances for automated manufacturing * **Enhanced Temperature Capability:** Superior performance up to 1000°C * **Excellent Creep Strength:** Outstanding stress rupture properties * **Superior Oxidation Resistance:** Extended service life in oxidizing environments * **Outstanding Formability:** Suitable for stamping, bending, and deep drawing operations * **Consistent Mechanical Properties:** Uniform characteristics throughout the coil length * **Excellent Surface Quality:** Optimal for plating, coating, and subsequent processing * **Good Weldability:** Compatible with various welding processes * **Thermal Stability:** Minimal dimensional change during thermal cycling --- #### **6. Product Applications** Nimonic 115 strip is specified for precision components in extreme temperature environments: * **Aerospace & Gas Turbine Engines:** * **Turbine seal segments and honeycomb seals** * **Combustion chamber components** * **Heat shield assemblies** * **Retaining rings and clips** * **Sensor and instrumentation mounts** * **Blade retention components** * **Power Generation:** * **Advanced gas turbine sealing elements** * **Heat exchanger components** * **Thermal protection systems** * **Electrical resistance heating elements** * **Turbine cooling system components** * **Industrial Processing:** * **Heat treatment fixture components** * **High-temperature springs and fasteners** * **Furnace conveyor belts** * **Thermal processing equipment parts** * **Chemical reactor internals** * **Electronics & Instrumentation:** * **High-temperature electrical contacts** * **Thermocouple protection sheaths** * **Sensor components** * **Vacuum furnace components** --- #### **7. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07115** | All product forms | | **ASTM** | **ASTM B168** | Standard Specification for Nickel-Chromium-Aluminum Alloy Plate, Sheet, and Strip | | **Aerospace (SAE/AMS)** | **AMS 5599** | Strip and Sheet Specifications | | **British Standard** | **BS HR 7** | Strip Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4958** | Material number | | **ISO** | **ISO 9727** | Nickel alloy strip for aerospace applications | --- #### **8. Quality Assurance** **Testing & Certification:** * Dimensional verification * Surface quality inspection * Chemical composition certification * Mechanical properties testing * Flatness and straightness measurement * Traceability to original heat number **Special Processing:** * Precision slitting capabilities * Edge conditioning * Surface cleaning and finishing * Protective packaging for delicate strip * Custom coil sizes and weights --- **Summary** **Alloy 115 Strip (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 components in advanced gas turbine engines, next-generation power generation equipment, and high-temperature industrial systems. The strip form offers excellent consistency and quality, enabling high-volume production of critical 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 component reliability and extended service life are paramount requirements. The precise dimensional control and superior surface quality make Nimonic 115 strip ideal for automated manufacturing processes in the most demanding high-temperature environments.

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 2151 gallon liquid totes Special package is available on request.