Alloy 105,Nimonic 105 Other/Similar Specs,,E FORU

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

### **Product Data Sheet: Alloy 105 / Nimonic 105 - Specifications & Equivalents** **Overview** **Alloy 105** (commercially known as **Nimonic 105**) is a precipitation-hardenable nickel-chromium-cobalt superalloy developed for high-temperature service. It is characterized by **exceptional creep strength, excellent oxidation resistance, and good microstructural stability** at temperatures up to 950°C (1740°F). This datasheet provides a comprehensive overview of the alloy's specifications, equivalent standards, and technical characteristics across international grading systems, facilitating global material selection and qualification processes. --- #### **1. Chemical Composition** | Element | Content (%) (Typical) | Role in the Alloy | | :--- | :--- | :--- | | **Nickel (Ni)** | Balance | Austenitic matrix; provides corrosion resistance and toughness | | **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 | | **Manganese (Mn)** | 0.50 max | Controls sulfur content | | **Silicon (Si)** | 0.60 max | Improves oxidation resistance | | **Iron (Fe)** | 1.0 max | Residual element | --- #### **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 | | **Modulus of Elasticity** | 214 GPa (31.0 × 10⁶ psi) @ 20°C | --- #### **3. Mechanical Properties** **Typical Room Temperature Properties (Heat Treated)** * **Tensile Strength:** 1000-1200 MPa (145-174 ksi) * **Yield Strength (0.2% Offset):** 700-850 MPa (102-123 ksi) * **Elongation:** 10-20% **Elevated Temperature Capability** * **Creep Rupture Strength (1000 hours):** * **850°C (1560°F):** ~120 MPa (~17.4 ksi) * **950°C (1740°F):** ~50 MPa (~7.3 ksi) --- #### **4. International Standards & Equivalents** **North America:** * **UNS:** N07105 * **ASTM:** B637 (Bar & Forging) * **AMS:** 5800 (Bar, Forgings, and Rings) * **ASME:** SB-637 **Europe:** * **Werkstoff Nr.:** 2.4634 * **EN:** 10302 * **British Standard:** BS HR 6 * **French:** AIR 9161 **International:** * **ISO:** 9725 (Forgings) * **ISO:** 9724 (Sheet/Plate) **OEM Specifications:** * **Pratt & Whitney:** PWA, RPS series * **General Electric:** GE, EDS series * **Rolls-Royce:** RPS series * **Snecma:** Standards series --- #### **5. Similar & Alternative Alloys** **Comparable Superalloys:** * **Nimonic 115:** Higher temperature capability * **Nimonic 120:** Improved processing characteristics * **Udimet 720:** Enhanced strength version * **Inconel 738:** Comparable temperature resistance **Selection Considerations:** * **Temperature Requirements:** Optimal performance up to 950°C * **Stress Levels:** High stress rupture strength * **Oxidation Resistance:** Excellent up to 1000°C * **Fabrication Needs:** Good forgeability and machinability --- #### **6. Product Applications** Nimonic 105 serves critical functions across multiple industries: * **Aerospace & Defense:** * Gas turbine blades and vanes * Combustion chamber components * Afterburner parts * Rocket engine components * **Power Generation:** * Gas turbine hot section parts * Turbine discs and shafts * High-temperature fasteners * **Industrial Processing:** * Heat treatment fixtures * High-temperature tooling * Chemical processing equipment --- #### **7. Quality & Certification** **Standard Certifications:** * **Material Test Certificate 3.1** per EN 10204 * **Chemical Analysis Certificate** * **Mechanical Properties Report** * **Non-Destructive Testing Reports** **Testing Standards:** * **Ultrasonic Testing:** ASTM A388 * **Dye Penetrant:** ASTM E165 * **Chemical Analysis:** ASTM E1473 * **Mechanical Testing:** ASTM E8/E21 --- **Summary** **Alloy 105 (Nimonic 105)** represents a well-established nickel-based superalloy with comprehensive international qualification and widespread industrial acceptance. Its balanced composition provides an excellent combination of creep resistance, oxidation stability, and mechanical strength, making it suitable for rotating components in gas turbine engines and other high-temperature applications. The alloy's compliance with multiple international standards including AMS 5800, ASTM B637, and EN 10302 ensures global availability and consistent quality. Understanding the various specifications and equivalents allows engineers to effectively specify and qualify this material for critical applications across different regions and industries. With proven performance in extreme temperature environments and extensive documentation of long-term service behavior, Nimonic 105 continues to be a reliable choice for demanding high-temperature applications where component reliability and extended service life are paramount.

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 2141 gallon liquid totes Special package is available on request.