Nickel 90/Titanium 10 Alloy,Nickel Titanium Alloy.Ni10Ti Alloy，1

### **Nickel 90/Titanium 10 Alloy (Ni₉₀Ti₁₀) - High-Strength Nickel-Rich Alloy** #### **Overview** **Nickel 90/Titanium 10 Alloy** is a nickel-rich alloy within the nickel-titanium system, characterized by its exceptional strength, excellent corrosion resistance, and good high-temperature performance. With its high nickel content of approximately 90%, this alloy maintains the excellent corrosion resistance of pure nickel while gaining significant strength enhancement from titanium additions. The alloy is particularly valued for applications requiring robust mechanical properties in aggressive environments. --- #### **Chemical Composition (Weight %)** | Element | Content (%) | Function | |---------|-------------|-----------| | **Nickel (Ni)** | **88.0-92.0%** | Base element providing corrosion resistance and matrix | | **Titanium (Ti)** | **8.0-12.0%** | Strength enhancement through solid solution and precipitation | | **Iron (Fe)** | **≤ 1.0%** | Controlled impurity | | **Carbon (C)** | **≤ 0.10%** | Limited to prevent carbide formation | | **Copper (Cu)** | **≤ 0.5%** | Controlled impurity | | **Manganese (Mn)** | **≤ 0.5%** | Deoxidizer during processing | | **Other Elements** | **≤ 0.5%** | Total other impurities | --- #### **Physical & Mechanical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | **8.60-8.80 g/cm³** | | **Melting Point** | **1400-1450°C** (2552-2642°F) | | **Electrical Resistivity** | **25-35 μΩ·cm** (at 20°C) | | **Thermal Conductivity** | **45-55 W/m·K** (at 20°C) | | **Coefficient of Thermal Expansion** | **13.0-14.5 × 10⁻⁶/°C** (20-400°C) | | **Specific Heat Capacity** | **440-480 J/kg·K** | | **Tensile Strength** | **650-850 MPa** (annealed) | | **Yield Strength (0.2% Offset)** | **300-500 MPa** (annealed) | | **Elongation** | **30-45%** (annealed) | | **Young's Modulus** | **180-200 GPa** | | **Hardness** | **180-250 HV** (annealed) | | **Creep Resistance** | **Good up to 800°C** | --- #### **Key Characteristics & Applications** **Key Characteristics:** - **Excellent Corrosion Resistance**: Comparable to pure nickel in most environments - **Enhanced Strength**: Superior mechanical properties to pure nickel - **Good Thermal Stability**: Maintains properties at elevated temperatures - **Excellent Fabricability**: Good weldability and formability - **No Shape Memory Effect**: Unlike near-equiatomic NiTi alloys - **Good Oxidation Resistance**: Suitable for high-temperature applications **Typical Applications:** - **Chemical Processing Equipment**: Vessels, heat exchangers, and piping systems - **Marine Engineering**: Components for seawater service - **Aerospace Applications**: Non-critical structural components - **Power Generation**: Boiler components and heat exchangers - **Electroplating Industry**: Anodes and fixtures - **Food Processing Equipment**: Where corrosion resistance is critical - **Caustic Service**: Equipment for sodium hydroxide handling --- #### **International Standards & Specifications** | Standard | Designation | Description | |----------|-------------|-------------| | **ASTM** | **B160** | Standard for nickel rod and bar | | **ASTM** | **B162** | Standard for nickel plate, sheet, and strip | | **UNS** | **N02210** | Unified Numbering System designation | | **ASME** | **SB-160** | Boiler and Pressure Vessel Code | | **DIN** | **2.4066** | German standard designation | | **ISO** | **6208** | Nickel and nickel alloy sheet, plate and strip | --- #### **Manufacturing & Processing** **Available Forms:** - **Plate and Sheet**: 0.5 mm to 50 mm thickness - **Rod and Bar**: 3 mm to 200 mm diameter - **Pipe and Tube**: 10 mm to 300 mm OD - **Wire**: 1 mm to 10 mm diameter - **Forgings**: Custom components **Processing Guidelines:** - **Hot Working**: 1000-1150°C (1832-2102°F) - **Cold Working**: Excellent capability with intermediate annealing - **Annealing Temperature**: 750-850°C (1382-1562°F) - **Welding**: All standard methods applicable - **Machining**: Similar to other nickel alloys --- #### **Heat Treatment Response** | Treatment | Effect on Properties | |-----------|---------------------| | **Annealing** | Produces soft, ductile condition | | **Stress Relieving** | Reduces residual stresses | | **Precipitation Hardening** | Moderate strengthening possible | | **Solution Treatment** | Homogenizes microstructure | --- #### **Quality Control & Testing** - **Chemical Analysis**: Verification of nickel and titanium content - **Mechanical Testing**: Standard tensile and hardness tests - **Corrosion Testing**: Performance in various environments - **Non-Destructive Testing**: UT, PT, RT as required - **Metallographic Examination**: Microstructure evaluation --- #### **Comparison with Related Alloys** | Property | Ni₉₀Ti₁₀ | Pure Nickel (200) | Nickel-Copper (400) | |----------|-----------|-------------------|---------------------| | **Tensile Strength** | 650-850 MPa | 400-500 MPa | 550-700 MPa | | **Corrosion Resistance** | Excellent | Excellent | Excellent | | **Cost** | Moderate | Lower | Moderate | | **High-Temperature Strength** | Good | Fair | Good | --- #### **Summary** **Nickel 90/Titanium 10 Alloy** represents a practical and cost-effective nickel-rich alloy that offers significant advantages over pure nickel in terms of mechanical strength while maintaining excellent corrosion resistance. Its balanced properties make it suitable for a wide range of industrial applications, particularly in chemical processing, marine engineering, and power generation. The alloy's good fabricability and established manufacturing processes, combined with comprehensive international standardization, ensure reliable performance and consistent quality. While it doesn't possess the specialized functional properties of shape memory alloys, its robust combination of corrosion resistance and mechanical strength makes it a valuable material for demanding industrial 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 3234 gallon liquid totes Special package is available on request.