Alloy 115,Nimonic 115 Plate,,E FORU

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

### **Product Data Sheet: Alloy 115 / Nimonic 115 Plate (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 **plate**, this material delivers **exceptional creep strength, outstanding oxidation resistance, and superior structural stability** at temperatures up to 1000°C (1830°F). Nimonic 115 plate is manufactured to provide reliable performance in high-stress structural applications where dimensional stability, mechanical integrity, and long-term reliability under thermal cycling are critical. The plate form offers versatile fabrication capabilities while maintaining the alloy's superior high-temperature characteristics for the most demanding applications. --- #### **1. Chemical Composition** | Element | Content (%) (Typical) | Role in the Alloy | | :--- | :--- | :--- | | **Nickel (Ni)** | Balance | Austenitic matrix; provides corrosion resistance and structural integrity | | **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 | | | 160 GPa (23.2 × 10⁶ psi) @ 800°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** **Plate Dimensions:** * **Thickness:** 5mm to 150mm (0.2" to 6") * **Width:** 1000mm to 2000mm (40" to 80") * **Length:** 2000mm to 6000mm (80" to 240") * **Custom sizes available upon request** **Thickness Tolerances:** * **5-25mm:** ±0.2mm * **25-50mm:** ±0.3mm * **50-150mm:** ±0.5mm **Surface Condition:** * Hot-rolled, annealed, and pickled * Machined surfaces available * Ultrasonic testing per applicable standards --- #### **5. Key Characteristics** * **Enhanced Temperature Capability:** Superior performance up to 1000°C * **Excellent Creep Strength:** Outstanding stress rupture properties under load * **Superior Oxidation Resistance:** Extended service life in oxidizing environments * **Thermal Fatigue Resistance:** Excellent performance under thermal cycling conditions * **Good Weldability:** Can be welded using matched filler metals and proper procedures * **Machinability:** Can be machined using appropriate tools and techniques * **Dimensional Stability:** Maintains shape and dimensions under thermal stress * **Microstructural Stability:** Maintains properties during long-term high-temperature exposure --- #### **6. Product Applications** Nimonic 115 plate is specified for critical high-temperature structural applications: * **Aerospace & Gas Turbine Engines:** * **Combustion chamber assemblies and liners** * **Turbine casing components** * **Afterburner structures** * **Exhaust system components** * **Support brackets and frames** * **Heat shield assemblies** * **Power Generation:** * **Advanced gas turbine structural components** * **Combustion liner supports** * **Transition duct sections** * **Turbine platform segments** * **Heat recovery system components** * **Industrial Processing:** * **Heat treatment furnace components** * **High-temperature reactor vessels** * **Thermal processing equipment** * **Chemical processing fixtures** * **Pyroprocessing system components** * **Special Applications:** * **Rocket engine components** * **Nuclear reactor fixtures** * **High-temperature test fixtures** * **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** | Plate, Sheet, and Strip | | **British Standard** | **BS HR 7** | Plate and Sheet Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4958** | Material number | | **ISO** | **ISO 9727** | Nickel alloy plate for aerospace applications | | **ASME** | **SB-168** | ASME Code Case for pressure applications | --- #### **8. Quality Assurance** **Testing Requirements:** * Chemical analysis certification * Mechanical properties testing * Ultrasonic testing per ASTM A388 * Grain size assessment * Macro-etch testing * Surface quality inspection **Certification:** * Material Test Certificate 3.1 per EN 10204 * Full traceability to melt heat number * Heat treatment compliance records * Non-destructive testing reports * Dimensional inspection reports --- **Summary** **Alloy 115 Plate (Nimonic 115, UNS N07115)** provides an optimal combination of high-temperature strength, oxidation resistance, and structural stability for the most demanding applications in extreme thermal environments. Its exceptional creep resistance and mechanical integrity 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 would fail. The plate form offers excellent fabrication versatility 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 consistent quality and reliability for critical applications. Comprehensive quality assurance and testing protocols guarantee material performance and traceability, making Nimonic 115 plate the material of 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 2149 gallon liquid totes Special package is available on request.