Nickel 220 Super Alloy,E FORU

### **Product Introduction: Nickel 220 Super Alloy** **Nickel 220** is a commercially pure nickel superalloy renowned for its exceptional corrosion resistance, excellent electrical and thermal conductivity, and outstanding magnetic properties. This alloy consists of at least 99.0% nickel, making it one of the purest commercially available nickel alloys. Its unique combination of properties makes it particularly valuable for applications requiring high purity, reliable performance in corrosive environments, and specific electronic characteristics. The alloy demonstrates excellent fabricability, good mechanical properties, and reliable performance across various industries, from chemical processing to electronic applications. Its high nickel content ensures superior resistance to corrosion by various chemicals while maintaining excellent electrical and thermal conductivity. --- #### **1. Chemical Composition (Weight %)** The typical chemical composition of Nickel 220 is as follows: | Element | Content (%) | Element | Content (%) | |---------|-------------|---------|-------------| | **Nickel (Ni)** | 99.0 min | **Copper (Cu)** | 0.25 max | | **Carbon (C)** | 0.15 max | **Iron (Fe)** | 0.40 max | | **Manganese (Mn)** | 0.35 max | **Silicon (Si)** | 0.35 max | | **Sulfur (S)** | 0.01 max | **Magnesium (Mg)** | 0.10 max | | **Other Elements** | 0.50 max | | | --- #### **2. Physical & Mechanical Properties** **Physical Properties:** | Property | Metric Units | Imperial Units | |----------|-----------------|------| | **Density** | 8.89 g/cm³ | 0.321 lb/in³ | | **Melting Point** | 1440 °C | 2624 °F | | **Thermal Conductivity** | 82.0 W/m·K | 569 Btu·in/hr·ft²·°F | | **Coefficient of Thermal Expansion** | 13.3 μm/m·°C | 7.4 μin/in·°F | | **Specific Heat** | 444 J/kg·K | 0.106 Btu/lb·°F | | **Electrical Resistivity** | 0.096 μΩ·m | 57.8 Ω·cir mil/ft | | **Magnetic Permeability** | 1.01 - 1.10 | | **Mechanical Properties (Annealed Condition):** | Property | Value | |----------|-----------------| | **Tensile Strength** | 380-550 MPa | 55-80 ksi | | **Yield Strength (0.2% Offset)** | 100-250 MPa | 15-36 ksi | | **Elongation** | 40-50% | | **Hardness (Rockwell B)** | 60-80 HRB | | **Modulus of Elasticity** | 180 GPa | 26.1 x 10⁶ psi | --- #### **3. Key Characteristics & Product Applications** **Key Characteristics:** - **Excellent Corrosion Resistance**: Superior performance in various corrosive environments including alkaline solutions - **High Thermal Conductivity**: Efficient heat transfer capabilities - **Excellent Electrical Conductivity**: Low electrical resistance for electronic applications - **Good Magnetic Properties**: Suitable for magnetic shielding applications - **Superior Fabricability**: Excellent formability, weldability, and machinability - **High Purity**: Minimal impurity content ensuring consistent performance **Product Applications:** Nickel 220 serves critical functions across multiple industries: - **Chemical Processing**: - Chemical reaction vessels and evaporators - Caustic handling equipment - Food processing equipment - Pharmaceutical manufacturing components - **Electronics & Electrical**: - Electronic lead frames and connectors - Battery components - Magnetic shielding applications - Vacuum tube components - **Aerospace & Defense**: - Waveguide components - Radar system parts - Aerospace electronic housing - Communication equipment - **Industrial Applications**: - Heat exchanger components - Anodizing racks and fixtures - Plating industry components - Industrial heating elements --- #### **4. International Standards & Specifications** Nickel 220 complies with the following international standards: **Primary Specifications:** - **ASTM B160**: Nickel Rod and Bar - **ASTM B161**: Nickel Seamless Pipe and Tube - **ASTM B162**: Nickel Plate, Sheet, and Strip - **UNS N02200**: Unified Numbering System **International Equivalents:** - **EN**: NW 2200 (European designation) - **DIN**: 2.4060 - **JIS**: NCP 01 - **ISO**: NW 2200 - **AMS**: 5550 (Aerospace Material Specification) --- #### **Summary of Key Advantages** - **High Purity Composition**: 99.0% minimum nickel content ensuring consistent performance - **Excellent Corrosion Resistance**: Superior performance in various chemical environments - **Outstanding Conductivity**: Excellent thermal and electrical conductivity - **Superior Fabricability**: Easy to form, machine, and weld using conventional methods - **Proven Reliability**: Extensive service history in demanding applications - **Comprehensive Standardization**: Meets all major international quality standards **Technical Note**: Nickel 220 exhibits excellent weldability using most conventional welding processes including GTAW, GMAW, and SMAW. The alloy work hardens during cold forming operations, requiring intermediate annealing for severe deformations. Recommended annealing temperature is 650-815°C (1200-1500°F) followed by rapid cooling. The material demonstrates good resistance to atmospheric corrosion, fresh water, and various alkaline solutions. Proper cleaning and handling procedures should be followed to maintain surface quality and prevent contamination that could affect 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 3165 gallon liquid totes Special package is available on request.