Alloy 105,Nimonic 105 Tube,,E FORU

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

### **Product Data Sheet: Alloy 105 / Nimonic 105 Tube (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 **tube**, this material delivers exceptional **creep strength, outstanding oxidation resistance, and excellent pressure integrity** at temperatures up to 950°C (1740°F). Nimonic 105 tubing is precision-engineered for applications requiring reliable performance under combined thermal, pressure, and mechanical stresses. The tubular form maintains the alloy's superior high-temperature characteristics while providing optimal fluid and gas conveyance in the most demanding environments. --- #### **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 | --- #### **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 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 & Types** **Tube Types:** * **Seamless Tubing** - For high-pressure applications * **Welded Tubing** - For structural and low-pressure applications * **Heat Exchanger Tubes** - Precision dimensions for thermal efficiency * **Instrumentation Tubing** - Small diameters for sensor and control systems **Standard Sizes:** * **Outside Diameter:** 3mm to 150mm (0.125" to 6") * **Wall Thickness:** 0.5mm to 15mm (0.020" to 0.625") * **Tolerances:** To ASTM and AMS specifications --- #### **5. Key Characteristics** * **Exceptional High-Temperature Strength:** Maintains mechanical properties under thermal cycling * **Superior Creep Resistance:** Withstands prolonged exposure to stress at elevated temperatures * **Excellent Oxidation Resistance:** Protective chromium oxide layer for service up to 950°C * **Pressure Integrity:** Reliable performance in high-pressure gas and fluid systems * **Thermal Fatigue Resistance:** Excellent resistance to thermal cycling and thermal shock * **Good Fabricability:** Can be bent, formed, and welded with proper procedures * **Surface Quality:** Smooth internal and external surfaces for optimal fluid flow --- #### **6. Product Applications** Nimonic 105 tubing is essential for critical high-temperature systems: * **Aerospace & Gas Turbine Engines:** * **Combustion chamber liners** * **Fuel injection nozzles** * **Heat exchanger components** * **Hydraulic and lubrication lines** * **Bleed air systems** * **Power Generation:** * **Gas turbine fuel lines** * **Heat recovery steam generator tubes** * **High-temperature steam lines** * **Turbine cooling systems** * **Industrial Processing:** * **Heat treatment furnace components** * **Thermal oil system tubing** * **High-temperature chemical processing equipment** * **Nuclear reactor components** * **Oil & Gas:** * **Downhole instrumentation housings** * **High-temperature wellhead components** --- #### **7. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07105** | All product forms | | **ASTM** | **ASTM B622** | Standard Specification for Seamless Nickel and Nickel Alloy Tube | | **ASTM** | **ASTM B829** | Standard Specification for Seamless Nickel and Nickel Alloy Pipe and Tube | | **Aerospace (SAE/AMS)** | **AMS 5580** | Seamless Tubing | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4634** | Material number | | **ISO** | **ISO 6207** | Nickel alloy tube specifications | | **ASME** | **SB-622** | ASME Code Case for pressure applications | --- **Summary** **Alloy 105 Tube (Nimonic 105, UNS N07105)** represents the ultimate solution for high-temperature tubular applications where reliability under extreme conditions is paramount. Its exceptional combination of creep strength, oxidation resistance, and pressure integrity at temperatures up to 950°C makes it indispensable for aerospace propulsion systems, power generation equipment, and critical industrial processes. Compliance with international standards including ASTM B622, AMS 5580, and ASME specifications ensures consistent quality and performance 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 2135 gallon liquid totes Special package is available on request.