Alloy 105,Nimonic 105 Strip,,E FORU

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

### **Product Data Sheet: Alloy 105 / Nimonic 105 Strip (UNS N07105)** **Overview** **Alloy 105** (commercially known as **Nimonic 105**) is a precipitation-hardenable nickel-chromium-cobalt superalloy specifically engineered for high-temperature service. In the form of **strip**, this material delivers exceptional **creep strength, excellent oxidation resistance, and superior dimensional precision** at temperatures up to 950°C (1740°F). Nimonic 105 strip is precision-rolled to exacting tolerances, making it ideal for applications requiring tight dimensional control, consistent mechanical properties, and reliable performance in extreme thermal environments. The strip form combines the alloy's inherent high-temperature capabilities with exceptional formability and surface quality. --- #### **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** **Strip Dimensions:** * **Thickness:** 0.05mm to 2.0mm (0.002" to 0.080") * **Width:** 2mm to 600mm (0.08" to 24") * **Custom slitting available to precise width requirements** **Tolerances:** * **Thickness:** ±0.005mm for precision applications * **Width:** ±0.1mm for slitted edges * **Flatness:** Controlled to meet aerospace requirements **Surface Quality:** * Bright annealed finish * Pickled finish available * Special surface finishes upon request --- #### **5. Key Characteristics** * **Precision Dimensional Control:** Maintains tight tolerances for automated manufacturing * **Excellent High-Temperature Strength:** Retains mechanical properties under thermal stress * **Superior Creep Resistance:** Withstands prolonged stress at temperatures up to 950°C * **Outstanding Formability:** Suitable for stamping, bending, and deep drawing operations * **Consistent Mechanical Properties:** Uniform characteristics throughout the coil length * **Excellent Surface Quality:** Optimal for plating, coating, and subsequent processing * **Good Weldability:** Compatible with various welding processes --- #### **6. Product Applications** Nimonic 105 strip is specified for precision components in high-temperature environments: * **Aerospace & Gas Turbine Engines:** * **Turbine seal segments** * **Combustion chamber components** * **Heat shield assemblies** * **Retaining rings and clips** * **Sensor and instrumentation mounts** * **Power Generation:** * **Gas turbine sealing elements** * **Heat exchanger components** * **Thermal protection systems** * **Electrical resistance heating elements** * **Industrial Processing:** * **Heat treatment fixture components** * **High-temperature springs** * **Furnace conveyor belts** * **Thermal processing equipment parts** * **Electronics & Instrumentation:** * **High-temperature electrical contacts** * **Thermocouple protection sheaths** * **Sensor components** --- #### **7. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07105** | All product forms | | **ASTM** | **ASTM B168** | Standard Specification for Nickel-Chromium Alloy Plate, Sheet, and Strip | | **Aerospace (SAE/AMS)** | **AMS 5598** | Strip and Sheet Specifications | | **British Standard** | **BS HR 6** | Strip Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4634** | Material number | | **ISO** | **ISO 9724** | Nickel alloy strip for aerospace applications | --- **Summary** **Alloy 105 Strip (Nimonic 105, UNS N07105)** provides an exceptional combination of high-temperature performance, dimensional precision, and fabrication versatility for the most demanding applications. Its superior creep resistance, oxidation stability, and consistent mechanical properties at temperatures up to 950°C make it particularly suitable for precision components in gas turbine engines, power generation equipment, and high-temperature industrial systems. The strip form offers excellent formability and consistent quality, enabling high-volume production of critical components while maintaining the superior properties that make Nimonic 105 a preferred choice for extreme temperature service. Compliance with international standards including ASTM B168, AMS 5598, and BS HR 6 ensures reliable performance in critical 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 2138 gallon liquid totes Special package is available on request.