Alloy 105,Nimonic 105 Sheet,,E FORU

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

### **Product Data Sheet: Alloy 105 / Nimonic 105 Sheet (UNS N07105)** **Overview** **Alloy 105** (commercially known as **Nimonic 105**) is a precipitation-hardenable nickel-chromium-cobalt superalloy specifically designed for high-temperature service. In the form of **sheet**, this material provides exceptional **creep strength, excellent oxidation resistance, and outstanding formability** at temperatures up to 950°C (1740°F). Nimonic 105 sheet is manufactured to meet the demanding requirements of high-temperature applications where complex fabrication, thermal stability, and mechanical reliability are essential. The sheet form offers excellent fabrication versatility while maintaining the alloy's superior high-temperature characteristics. --- #### **1. Chemical Composition** | Element | Content (%) (Typical) | Role in the Alloy | | :--- | :--- | :--- | | **Nickel (Ni)** | Balance | Austenitic matrix former; provides corrosion resistance and ductility | | **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 (Solution Treated & Aged)** * **Tensile Strength:** 1000-1200 MPa (145-174 ksi) * **Yield Strength (0.2% Offset):** 700-850 MPa (102-123 ksi) * **Elongation:** 10-20% **Elevated Temperature Performance** * **Stress Rupture Strength (1000 hours):** * **850°C (1560°F):** ~120 MPa (~17.4 ksi) * **950°C (1740°F):** ~50 MPa (~7.3 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") **Surface Finish:** * Cold-rolled, annealed, and pickled * Special surface finishes available * Dimensional tolerances to international standards --- #### **5. Key Characteristics** * **Excellent High-Temperature Strength:** Maintains mechanical properties under thermal stress * **Superior Creep Resistance:** Withstands prolonged exposure to stress at elevated temperatures * **Outstanding Oxidation Resistance:** Suitable for continuous service in oxidizing atmospheres * **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:** Performs well under thermal cycling conditions * **Surface Quality:** Consistent surface finish for fabrication and coating --- #### **6. Product Applications** Nimonic 105 sheet is essential for high-temperature fabricated components: * **Aerospace & Gas Turbine Engines:** * **Combustion chamber liners** * **Afterburner components** * **Exhaust ducting** * **Heat shields** * **Turbine shrouds** * **Power Generation:** * **Combustion chamber assemblies** * **Transition ducts** * **Heat exchanger components** * **Thermal protection systems** * **Industrial Processing:** * **Heat treatment furnace components** * **Radiant tubes** * **High-temperature containers** * **Thermal processing equipment** * **Special Applications:** * **Rocket engine components** * **High-temperature seals** * **Thermal protection systems** --- #### **7. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07105** | All product forms | | **ASTM** | **ASTM B168** | Standard Specification for Nickel-Chromium-Iron Alloy Plate, Sheet, and Strip | | **Aerospace (SAE/AMS)** | **AMS 5598** | Sheet and Strip | | **British Standard** | **BS HR 6** | Sheet Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4634** | Material number | | **ISO** | **ISO 9724** | Nickel alloy sheet for aerospace applications | --- **Summary** **Alloy 105 Sheet (Nimonic 105, UNS N07105)** offers an outstanding combination of high-temperature strength, oxidation resistance, and fabrication versatility for demanding applications in extreme thermal environments. Its exceptional creep resistance and mechanical integrity at temperatures up to 950°C make it particularly suitable for gas turbine components, high-temperature furnaces, and critical aerospace structures. The sheet form provides excellent formability and weldability, enabling the fabrication of complex components while maintaining superior high-temperature performance. Compliance with international standards including ASTM B168, AMS 5598, and BS HR 6 ensures consistent quality and reliability for the most demanding high-temperature 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 2137 gallon liquid totes Special package is available on request.