Nickel 211， Fittings，,E FORU

British Specs:，American Specs:，German Specs:

**Product Datasheet: Nickel 211 Fittings (UNS N02211)** **Nickel 211 Fittings** are precision-engineered components made from commercially pure nickel, designed for connecting piping and tubing systems in corrosive and high-purity applications. These fittings maintain the excellent corrosion resistance and fabricability of Nickel 211, ensuring system integrity in demanding environments. --- ### **1. Chemical Composition (Typical % by Weight)** | Element | Content (%) | |----------------|-------------| | **Nickel (Ni)** | ≥ 99.0 | | Copper (Cu) | ≤ 0.25 | | Iron (Fe) | ≤ 0.40 | | Manganese (Mn) | ≤ 0.35 | | Carbon (C) | ≤ 0.15 | | Silicon (Si) | ≤ 0.35 | | Sulfur (S) | ≤ 0.025 | --- ### **2. Physical & Mechanical Properties** **Physical Properties:** - **Density:** 8.89 g/cm³ - **Melting Point:** 1440°C (2625°F) - **Thermal Conductivity:** 70 W/m·K (at 20°C) - **Electrical Resistivity:** 0.096 μΩ·m - **Coefficient of Thermal Expansion:** 13.3 × 10⁻⁶/K (20–100°C) - **Magnetic Permeability:** 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:** ≥ 35% - **Hardness:** 70–90 HRB --- ### **3. Product Applications** **Chemical & Process Industries:** - Pipe fittings for caustic soda and potassium hydroxide systems - Connectors in organic acid production equipment - Fittings for chlorine and bromine handling systems - Components in electrolysis and electroplating plants **Pharmaceutical & Food Processing:** - Sanitary fittings for high-purity fluid transfer - Process piping connections in FDA-regulated applications - Brewery and distillery equipment fittings **Electronics & Semiconductor:** - Ultra-pure gas and chemical delivery system fittings - High-vacuum chamber components - Cooling water system connections **Power Generation:** - Alkaline feedwater system fittings - Nuclear auxiliary system components - Heat exchanger connections --- ### **4. International Standards & Specifications** | Standard | Material Number | UNS Number | Fitting Type | |------------------|-----------------|------------|-----------------------| | **ASTM B366** | – | **N02211** | Factory-made fittings | | **ASME SB366** | – | **N02211** | Pressure fittings | | **MSS SP-43** | – | N02211 | Wrought stainless fittings | | **DIN 17740** | **2.4060** | N02211 | Nickel alloy fittings | **Available Fitting Types:** - **Butt-Weld Fittings:** Elbows, tees, reducers, caps - **Socket-Weld Fittings:** Unions, elbows, tees - **Threaded Fittings:** Nipples, couplings, elbows - **Flanged Components:** Blind flanges, orifice flanges **Size Ranges:** - Butt-weld: 1/2" to 24" NPS - Socket-weld: 1/8" to 2" NPS - Threaded: 1/8" to 2" NPS --- ### **5. Key Advantages** **Corrosion Resistance:** - Excellent resistance to caustic alkalis across all concentrations - Good performance in neutral and alkaline salt solutions - Suitable for both oxidizing and reducing environments **Manufacturing Quality:** - Precision machined from wrought nickel stock - Consistent wall thickness and surface finish - Full traceability and material certification **Installation Benefits:** - Excellent weldability using matching filler metals - Compatible with standard piping installation practices - Can be used with various sealing methods **Performance Characteristics:** - Maintains strength at elevated temperatures - Suitable for cryogenic service - Non-contaminating in high-purity applications --- ### **6. Fabrication & Installation Guidelines** **Welding Recommendations:** - **Filler Metal:** ERNi-1 or ENi-1 - **Processes:** GTAW (TIG), GMAW (MIG) - **Preheating:** Not required - **Post-Weld Heat Treatment:** Generally not required **Quality Assurance:** - Dimensional verification to ASME B16.9/B16.11 - Surface inspection and cleaning - Material certification to ASTM B366 - Optional NDE: PT, RT, UT --- **Conclusion:** Nickel 211 Fittings provide reliable, corrosion-resistant connections for critical piping systems in chemical processing, power generation, and high-purity industries. Their compliance with international standards and excellent fabrication characteristics ensure long-term performance in demanding applications. --- **For detailed sizing, pressure ratings, and application engineering support, contact our technical services team.**

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 2802 gallon liquid totes Special package is available on request.