C 200 Commercially Pure Nickel,UNS N02200,E FORU

### **Product Introduction: C-200 Commercially Pure Nickel (UNS N02200)** **C-200 Commercially Pure Nickel (UNS N02200)** is a wrought, commercially pure nickel alloy containing a minimum of 99.0% nickel, renowned for its excellent mechanical properties, superior corrosion resistance, and outstanding thermal and electrical conductivity. This versatile alloy combines good strength and ductility with exceptional resistance to various corrosive environments, particularly caustic alkalis, making it one of the most widely used nickel materials across multiple industries. The alloy maintains excellent performance across a wide temperature range, from cryogenic conditions to moderately elevated temperatures, while offering good fabricability and consistent performance in demanding chemical and industrial applications. --- #### **1. Chemical Composition (Weight %)** The chemical composition of C-200 Commercially Pure Nickel per UNS N02200 is as follows: | Element | Content (%) | Element | Content (%) | |---------|-------------|---------|-------------| | **Nickel (Ni)** | 99.0 min | **Cobalt (Co)** | 0.15 max | | **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 | | **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** | 1435 - 1445 °C | 2615 - 2633 °F | | **Thermal Conductivity** | 70.0 W/m·K | 485 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** | 0.095 μΩ·m | 57.3 Ω·cir mil/ft | | **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 | **Cryogenic Properties (at -196°C/-321°F):** | **Tensile Strength** | 760 MPa | 110 ksi | | **Yield Strength** | 280 MPa | 41 ksi | | **Elongation** | 45% | --- #### **3. Key Characteristics & Product Applications** **Key Characteristics:** - **Excellent Corrosion Resistance**: Superior performance in alkaline environments and various corrosive media - **High Thermal Conductivity**: Efficient heat transfer capabilities - **Excellent Electrical Conductivity**: Low electrical resistance for electronic applications - **Good Mechanical Properties**: Balanced combination of strength and ductility - **Superior Fabricability**: Excellent weldability, formability, and machinability - **Magnetic Properties**: Suitable for applications requiring specific magnetic characteristics **Product Applications:** C-200 Commercially Pure Nickel serves critical functions across multiple industries: - **Chemical Processing Industry**: - Caustic evaporation equipment - Chemical reaction vessels - Heat exchangers and condensers - Piping systems and valves - **Food & Pharmaceutical Industry**: - Food processing equipment - Pharmaceutical manufacturing vessels - Brewing and fermentation equipment - Food-grade processing systems - **Electronics & Electrical Engineering**: - Electronic components and connectors - Battery manufacturing components - Magnetic shielding applications - Electrical resistance units - **Industrial Applications**: - Plating industry anodes and fixtures - Industrial heating elements - Marine engineering components - Instrumentation components --- #### **4. International Standards & Specifications** C-200 Commercially Pure Nickel complies with the following international standards: **Primary Specifications:** - **UNS N02200**: Unified Numbering System - **ASTM B160**: Nickel Rod and Bar - **ASTM B161**: Nickel Seamless Pipe and Tube - **ASTM B162**: Nickel Plate, Sheet, and Strip - **ASTM B163**: Nickel Seamless Condenser and Heat-Exchanger Tubes **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 - **Exceptional Corrosion Resistance**: Superior performance in alkaline and chemical environments - **Excellent Conductivity**: High thermal and electrical conductivity - **Proven Reliability**: Long service history in demanding industrial applications - **Superior Fabricability**: Easy to weld, form, and machine using conventional methods - **Comprehensive Standardization**: Meets all major international quality standards **Technical Note**: C-200 Commercially Pure Nickel 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, seawater, and various neutral and alkaline salt solutions. Proper cleaning and handling procedures should be maintained to prevent surface contamination that could affect corrosion resistance in critical applications. The alloy is approved for food contact applications and meets relevant sanitary standards for pharmaceutical and food processing equipment.

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 3184 gallon liquid totes Special package is available on request.