Nickel 211， Tube，,E FORU

British Specs:，American Specs:，German Specs:

**Product Datasheet: Nickel 211 Tube (UNS N02211)** **Nickel 211 Tube** is a commercially pure wrought nickel product manufactured to deliver exceptional performance in heat transfer and fluid handling applications. With its high nickel content and controlled chemistry, this tubing material offers outstanding corrosion resistance, excellent thermal conductivity, and reliable mechanical properties for demanding service conditions. --- ### **1. Chemical Composition (Typical % by Weight)** The composition ensures consistent performance in corrosive environments: | 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)** | **0.025 max** | --- ### **2. Physical & Mechanical Properties** **Physical Properties:** - **Density:** 8.89 g/cm³ (0.321 lb/in³) - **Melting Point:** 1440°C (2625°F) - **Thermal Conductivity:** 70 W/m·K (at 20°C) - **Electrical Resistivity:** 0.096 μΩ·m (at 20°C) - **Coefficient of Thermal Expansion:** 13.3 × 10⁻⁶/K (20-100°C) - **Magnetic Permeability:** <1.02 (essentially non-magnetic) **Mechanical Properties (Annealed Condition):** - **Tensile Strength:** 380 - 480 MPa (55 - 70 ksi) - **Yield Strength (0.2% Offset):** 105 - 205 MPa (15 - 30 ksi) - **Elongation (% in 2 inches):** 40% min - **Hardness (Rockwell B):** 65 - 85 HRB - **Modulus of Elasticity:** 200 GPa (29 × 10⁶ psi) --- ### **3. Product Applications** **Heat Exchanger Applications:** - Shell and tube heat exchangers - Condenser and evaporator tubes - Reboiler and heater tubes - Cooling coil assemblies **Chemical Processing:** - Process heat transfer systems - Reactor cooling coils - Distillation column internals - Chemical transfer lines **Food and Pharmaceutical:** - Heat exchanger tubes in sanitary systems - Process heating and cooling circuits - Pharmaceutical manufacturing equipment - Food processing heat transfer systems **Power Generation:** - Surface condenser tubes - Feedwater heater tubes - Heat recovery systems - Nuclear plant heat exchangers **Other Applications:** - Instrumentation and sensing tubes - Cryogenic transfer lines - Semiconductor processing equipment - Marine and offshore heat exchangers --- ### **4. International Standards & Specifications** | Standard | Specification Title | UNS Number | | :--- | :--- | :--- | | **ASTM B161** | Standard Specification for Nickel Seamless Pipe and Tube | **N02211** | | **ASTM B163** | Standard Specification for Seamless Condenser and Heat-Exchanger Tubes | **N02211** | | **ASME SB161** | Nickel Seamless Pipe and Tube | **N02211** | | **ASME SB163** | Seamless Condenser and Heat-Exchanger Tubes | **N02211** | | **DIN 17740** | Wrought Nickel Materials | **2.4060** | | **ISO 9723** | Wrought Nickel Products | **NW 2201** | **Available Forms:** - **Seamless Tubes:** ASTM B163/ASME SB163 - **Heat Exchanger Tubes:** Various wall thicknesses - **Sizes:** 3mm to 200mm OD, various wall thicknesses - **Conditions:** Annealed, stress-relieved, cold drawn --- ### **5. Key Advantages** **Corrosion Resistance:** - Excellent resistance to caustic alkalis - Good performance in neutral and alkaline salts - Resistance to organic acids and compounds - Superior performance in reducing environments **Thermal Performance:** - High thermal conductivity for efficient heat transfer - Good elevated temperature strength - Excellent cryogenic temperature performance - Low thermal expansion coefficient **Fabrication Benefits:** - **Excellent Weldability:** GTAW, GMAW, SMAW processes - **Good Bendability:** Suitable for tube bending operations - **Easy Expansion:** Can be expanded into tube sheets - **Superior Surface Finish:** Smooth internal surface --- ### **6. Technical Specifications** **Quality Assurance:** - Hydrostatic testing per specification requirements - Non-destructive testing available (UT, ET) - Full traceability and material certification - Dimensional inspection to specified tolerances **Fabrication Guidelines:** - **Welding:** Use ERNi-1 filler metal - **Tube Expansion:** Follow standard rolling procedures - **Bending:** Minimum bend radius 2x tube diameter - **Cleaning:** Passivation recommended for optimum performance **Design Considerations:** - Suitable for temperatures from cryogenic to 540°C - Pressure ratings per ASME Boiler and Pressure Vessel Code - Compatible with standard tube sheet materials --- **Conclusion:** Nickel 211 Tube offers an optimal combination of corrosion resistance, thermal conductivity, and mechanical properties for critical heat transfer applications. Its compliance with international standards and proven performance make it the preferred choice for heat exchangers, condensers, and process tubing in chemical processing, power generation, food and pharmaceutical industries. --- **For complete size availability, technical specifications, and application engineering support, please contact our technical services department.**

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 2798 gallon liquid totes Special package is available on request.