Nickel Alloy 99 Nickel Alloy,E FORU

### **Product Introduction: Nickel Alloy 99 (UNS N02200) Pure Nickel Alloy** **Nickel Alloy 99** is a commercially pure wrought nickel alloy containing a minimum of 99.0% nickel, designed to provide exceptional corrosion resistance combined with excellent mechanical and physical properties. This alloy represents one of the most fundamental and widely used nickel materials in industrial applications, offering reliable performance across various demanding environments while maintaining good fabricability and consistent quality. The alloy's high nickel content ensures superior performance in corrosive environments, particularly in alkaline conditions, while its balanced physical properties make it suitable for both corrosive service and specialized electrical applications. --- #### **1. Chemical Composition (Weight %)** The chemical composition of Nickel Alloy 99 meets the following specifications: | Element | Content (%) | Element | Content (%) | |---------|-------------|---------|-------------| | **Nickel (Ni)** | 99.0 min | **Copper (Cu)** | 0.25 max | | **Iron (Fe)** | 0.40 max | **Manganese (Mn)** | 0.35 max | | **Carbon (C)** | 0.15 max | **Silicon (Si)** | 0.35 max | | **Sulfur (S)** | 0.01 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 | | | **Modulus of Elasticity** | 180 GPa | 26.1 x 10⁶ psi | **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 | --- #### **3. Key Characteristics & Product Applications** **Key Characteristics:** - **Exceptional Corrosion Resistance**: Outstanding performance in alkaline environments and various corrosive media - **Excellent Electrical Conductivity**: Low electrical resistance suitable for electronic applications - **Good Thermal Conductivity**: Efficient heat transfer capabilities - **Superior Fabricability**: Excellent weldability, formability, and machinability - **Magnetic Properties**: Suitable for applications requiring specific magnetic characteristics - **High Purity**: Consistent performance with minimal impurities **Product Applications:** Nickel Alloy 99 serves critical functions across multiple industries: - **Chemical Processing Industry**: - Caustic evaporation equipment - Chemical reaction vessels and reactors - Heat exchangers and condenser tubes - Piping systems and valve components - **Food & Pharmaceutical Industry**: - Food processing equipment - Pharmaceutical manufacturing vessels - Brewing and fermentation equipment - Food-grade heat exchangers - **Electronics & Electrical Engineering**: - Electronic components and connectors - Battery manufacturing components - Electrical resistance elements - Magnetic shielding applications - **Industrial Manufacturing**: - Plating industry anodes and fixtures - Industrial heating elements - Instrumentation components - Marine engineering applications --- #### **4. International Standards & Specifications** Nickel Alloy 99 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 (Ni99.0) - **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 ensures consistent performance - **Superior Corrosion Resistance**: Excellent performance in alkaline and chemical environments - **Proven Reliability**: Extensive service history in demanding applications - **Excellent Fabricability**: Easy to weld, form, and machine using conventional methods - **Versatile Applications**: Suitable for chemical, food, electronic, and industrial applications - **Comprehensive Standardization**: Meets all major international quality standards **Technical Note**: Nickel Alloy 99 exhibits excellent weldability using common welding processes including GTAW, GMAW, and SMAW. The alloy work hardens during cold working operations, requiring intermediate annealing at 650-815°C (1200-1500°F) for severe deformations. The material demonstrates particularly excellent resistance to corrosion by caustic alkalis, fresh water, and various neutral and alkaline salt solutions. Proper cleaning and handling procedures should be maintained to prevent surface contamination that could affect performance in critical applications. The alloy is approved for food contact applications and meets relevant sanitary standards.

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 3170 gallon liquid totes Special package is available on request.