Nickel 200,ASME SB-160 - SB-163，1

### Technical Datasheet: Nickel 200 (UNS N02200) **Classification:** Commercially Pure Wrought Nickel **Specifications:** ASME SB-160, SB-161, SB-162, SB-163 **UNS Designation:** N02200 --- #### 1.0 Introduction **Nickel 200** is a commercially pure wrought nickel (99.6% minimum nickel content) known for its **excellent mechanical properties, high thermal and electrical conductivity, and outstanding corrosion resistance**. This non-age-hardenable alloy maintains good strength and ductility over a wide temperature range, from cryogenic temperatures up to 600°F (315°C). Its combination of corrosion resistance and useful engineering properties makes it suitable for various chemical processing, electronic, and aerospace applications. --- #### 2.0 Chemical Composition (Weight %) | Element | Minimum | Maximum | Typical Value | |---------|---------|---------|---------------| | **Nickel (Ni)** | 99.0 | Balance | 99.6 | | **Copper (Cu)** | - | 0.25 | 0.15 | | **Iron (Fe)** | - | 0.40 | 0.20 | | **Manganese (Mn)** | - | 0.35 | 0.20 | | **Carbon (C)** | - | 0.15 | 0.08 | | **Silicon (Si)** | - | 0.35 | 0.20 | | **Sulfur (S)** | - | 0.01 | 0.005 | | **Other Elements** | - | 0.50 | 0.20 | *Note: The low carbon content prevents graphite precipitation at elevated temperatures* --- #### 3.0 Physical Properties | Property | Value | Condition/Notes | |----------|-------|-----------------| | **Density** | 8.89 g/cm³ (0.321 lb/in³) | At room temperature | | **Melting Point** | 1435-1445°C (2615-2633°F) | - | | **Thermal Expansion Coefficient** | 13.3 μm/m·°C | 20-100°C | | **Thermal Conductivity** | 70 W/m·K | At 100°C | | **Electrical Resistivity** | 0.95 μΩ·m | At 20°C | | **Modulus of Elasticity** | 204 GPa (29.6×10⁶ psi) | At room temperature | | **Magnetic Response** | Essentially non-magnetic | Below Curie point (353°C/667°F) | --- #### 4.0 Mechanical Properties **4.1 Typical Room Temperature Properties (Annealed Condition):** - **Tensile Strength**: 380-550 MPa (55-80 ksi) - **Yield Strength (0.2% Offset)**: 100-250 MPa (15-36 ksi) - **Elongation**: 40-55% - **Hardness**: 65-85 HRB **4.2 Elevated Temperature Properties:** | Temperature | Tensile Strength | Yield Strength (0.2% Offset) | |-------------|------------------|-----------------------------| | 315°C (600°F) | 330 MPa (48 ksi) | 83 MPa (12 ksi) | | 425°C (800°F) | 290 MPa (42 ksi) | 69 MPa (10 ksi) | | 540°C (1000°F) | 230 MPa (33 ksi) | 62 MPa (9 ksi) | --- #### 5.0 Corrosion Resistance **5.1 Key Features:** - Excellent resistance to corrosion by distilled water, natural fresh water, and seawater - Good resistance to neutral and alkaline salt solutions - Outstanding performance in caustic alkalis (all concentrations up to boiling point) - Good resistance to most organic compounds - Excellent resistance to chlorine and hydrogen chloride gas at room temperature **5.2 Limitations:** - Not recommended for oxidizing acids or ammonia - Limited resistance to sulfur compounds at elevated temperatures - Susceptible to stress corrosion cracking in polythionic acids --- #### 6.0 Applications **6.1 Chemical Processing:** - Caustic evaporation tubes and equipment - Salt production equipment - Synthesis reactor tubing - Handling fatty acids and soaps **6.2 Electronics & Electrical:** - Electron tube components - Waveguide tubes and other electronic parts - Spark plug electrodes - Electrical resistance wires **6.3 Food Processing:** - Food handling machinery - Marine food processing equipment - Structural members in food plants **6.4 Other Applications:** - Aerospace and missile components - Caustic cleaning equipment - Production of synthetic fibers - Marine engineering components --- #### 7.0 Fabrication & Processing **7.1 Heat Treatment:** - **Annealing Temperature**: 705-925°C (1300-1700°F) - **Stress Relieving**: 425-650°C (800-1200°F) - **Cooling**: Air cool or water quench **7.2 Welding:** - All standard welding methods applicable - Gas tungsten arc welding (GTAW) recommended - Use Nickel 201 filler metal for best results - Post-weld heat treatment generally not required **7.3 Machining:** - Similar to austenitic stainless steels - Use positive rake angles and rigid setups - Recommended tools: High-speed steel or carbide - Use sulfur-free cutting fluids --- #### 8.0 International Standards & Specifications **ASME/ASTM Material Specifications:** | Product Form | ASME/ASTM Standard | Description | |--------------|---------------------|-------------| | **Rod & Bar** | ASME SB-160 / ASTM B160 | Nickel Rod and Bar | | **Plate, Sheet, Strip** | ASME SB-162 / ASTM B162 | Nickel Plate, Sheet, and Strip | | **Seamless Pipe & Tube** | ASME SB-161 / ASTM B161 | Nickel Seamless Pipe and Tube | | **Welded Pipe** | ASME SB-163 / ASTM B163 | Nickel Seamless Condenser and Heat-Exchanger Tubes | **Additional International Standards:** - **UNS**: N02200 - **DIN**: 2.4060 - **EN**: NW 2200 - **ISO**: NW 2201 - **AMS**: 7232 (Wire) --- #### 9.0 Quality Assurance & Testing **Standard Testing Requirements:** - Chemical analysis verification - Mechanical property testing - Non-destructive testing (as required) - Hydrostatic testing (for pressure applications) - Microstructural examination (for specific applications) --- **Note:** Nickel 200 should not be used in service temperatures above 600°F (315°C) due to potential embrittlement from graphite precipitation. For elevated temperature applications (above 315°C), Nickel 201 (low carbon grade) is recommended. Always consult relevant ASME codes and standards for specific application requirements and limitations.

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 3285 gallon liquid totes Special package is available on request.