Alloy 105,Nimonic 105 Plate,,E FORU

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

### **Product Data Sheet: Alloy 105 / Nimonic 105 Plate (UNS N07105)** **Overview** **Alloy 105** (commercially known as **Nimonic 105**) is a precipitation-hardenable nickel-chromium-cobalt superalloy specifically engineered for extreme temperature service. In the form of **plate**, this material delivers exceptional **creep strength, outstanding oxidation resistance, and excellent structural stability** at temperatures up to 950°C (1740°F). Nimonic 105 plate is manufactured to provide reliable performance in high-stress structural applications where dimensional stability and mechanical integrity under thermal cycling are critical. The plate form offers versatile fabrication capabilities 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 structural integrity | | **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 | | | 159 GPa (23.1 × 10⁶ psi) @ 800°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** **Plate Dimensions:** * **Thickness:** 5mm to 150mm (0.2" to 6") * **Width:** 1000mm to 2000mm (40" to 80") * **Length:** 2000mm to 6000mm (80" to 240") **Surface Condition:** * Hot-rolled, annealed, and pickled * Machined surfaces available * Ultrasonic testing per applicable standards --- #### **5. Key Characteristics** * **Exceptional High-Temperature Strength:** Maintains mechanical properties under sustained thermal exposure * **Superior Creep Resistance:** Withstands prolonged stress at temperatures up to 950°C * **Excellent Oxidation Resistance:** Protective surface oxide layer prevents degradation * **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 --- #### **6. Product Applications** Nimonic 105 plate is specified for critical high-temperature structural applications: * **Aerospace & Gas Turbine Engines:** * **Combustion chamber assemblies** * **Turbine casing components** * **Afterburner structures** * **Exhaust system components** * **Support brackets and frames** * **Power Generation:** * **Gas turbine structural components** * **Heat shield assemblies** * **Combustion liner supports** * **Transition duct sections** * **Industrial Processing:** * **Heat treatment furnace components** * **High-temperature reactor vessels** * **Thermal processing equipment** * **Chemical processing fixtures** * **Special Applications:** * **Rocket engine components** * **Nuclear reactor fixtures** * **High-temperature test fixtures** --- #### **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** | Plate, Sheet, and Strip | | **British Standard** | **BS HR 6** | Plate and Sheet Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4634** | Material number | | **ISO** | **ISO 9724** | Nickel alloy plate for aerospace applications | | **ASME** | **SB-168** | ASME Code Case for pressure applications | --- **Summary** **Alloy 105 Plate (Nimonic 105, UNS N07105)** provides an optimal combination of high-temperature strength, oxidation resistance, and structural stability 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. 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. The plate form offers excellent fabrication versatility while maintaining the superior properties that make Nimonic 105 a preferred choice for extreme temperature service.

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 2136 gallon liquid totes Special package is available on request.