Alloy 115,Nimonic 115 Sheet,,E FORU

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

### **Product Data Sheet: Alloy 115 / Nimonic 115 Sheet (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 **sheet**, this material delivers **exceptional creep strength, outstanding oxidation resistance, and excellent formability** at temperatures up to 1000°C (1830°F). Nimonic 115 sheet is precision-rolled to meet the demanding requirements of high-temperature applications where complex fabrication, thermal stability, and mechanical reliability are essential. The sheet form offers superior fabrication versatility while maintaining the alloy's enhanced high-temperature characteristics for the most demanding aerospace and industrial 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** **Sheet Dimensions:** * **Thickness:** 0.5mm to 6mm (0.020" to 0.250") * **Width:** Up to 1500mm (60") * **Length:** Up to 4000mm (160") * **Custom sizes available** **Thickness Tolerances:** * **0.5-1.0mm:** ±0.05mm * **1.0-3.0mm:** ±0.08mm * **3.0-6.0mm:** ±0.10mm **Surface Finish:** * Cold-rolled, annealed, and pickled * Bright annealed finish available * Special surface finishes upon request --- #### **5. Key Characteristics** * **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 * **Good Formability:** Can be formed, deep-drawn, and spun in solution-annealed condition * **Excellent Weldability:** Can be welded using GTAW and GMAW processes * **Thermal Fatigue Resistance:** Excellent performance under thermal cycling conditions * **Surface Quality:** Consistent surface finish for fabrication and coating * **Dimensional Stability:** Maintains shape and dimensions under thermal stress --- #### **6. Product Applications** Nimonic 115 sheet is essential for high-temperature fabricated components: * **Aerospace & Gas Turbine Engines:** * **Combustion chamber liners and floatwalls** * **Afterburner components** * **Exhaust ducting and nozzles** * **Heat shields and thermal protection systems** * **Turbine shrouds and seals** * **Hot air ducting systems** * **Power Generation:** * **Combustion chamber assemblies** * **Transition ducts and diffusers** * **Heat exchanger components** * **Thermal protection systems** * **Gas turbine hot section components** * **Industrial Processing:** * **Heat treatment furnace components** * **Radiant tubes and retorts** * **High-temperature containers and vessels** * **Thermal processing equipment** * **Chemical reactor liners** * **Special Applications:** * **Rocket engine components** * **High-temperature seals and gaskets** * **Nuclear reactor components** * **Research and development applications** --- #### **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** | Sheet and Strip | | **British Standard** | **BS HR 7** | Sheet Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4958** | Material number | | **ISO** | **ISO 9727** | Nickel alloy sheet for aerospace applications | --- #### **8. Quality Assurance** **Testing & Certification:** * Chemical analysis certification * Mechanical properties testing * Surface quality inspection * Dimensional verification * Ultrasonic testing available for critical applications * Material Test Certificate 3.1 per EN 10204 **Special Processing:** * Precision slitting capabilities * Custom blanking and shearing * Surface treatment options * Protective packaging --- **Summary** **Alloy 115 Sheet (Nimonic 115, UNS N07115)** offers an outstanding combination of extreme temperature performance, oxidation resistance, and fabrication versatility for the most demanding applications. Its enhanced creep strength and thermal stability at temperatures up to 1000°C make it particularly suitable for advanced gas turbine components, high-temperature furnaces, and critical aerospace structures where conventional materials cannot perform. The sheet form provides excellent formability and weldability, enabling the fabrication of complex components while maintaining the superior properties that make Nimonic 115 a preferred choice for extreme service conditions. Compliance with international standards including AMS 5599, ASTM B168, and BS HR 7 ensures consistent quality and reliability for critical applications. Comprehensive quality assurance and precise dimensional control guarantee material performance, making Nimonic 115 sheet the ideal choice for engineers designing systems that must operate reliably under the most severe thermal conditions.

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 2150 gallon liquid totes Special package is available on request.