Aperam Nickel 212 Resistant Alloys Nickel Alloys，1

### **Product Introduction: Aperam Nickel 212 - Magnesium-Enhanced Nickel Alloy** **Overview** Aperam Nickel 212 is a magnesium-enhanced commercially pure nickel alloy that offers superior mechanical properties and enhanced resistance to high-temperature oxidation. This specially formulated nickel alloy contains a controlled addition of magnesium, which significantly improves its elevated temperature strength and resistance to creep deformation while maintaining the excellent corrosion resistance characteristic of pure nickel. Nickel 212 is particularly valued for applications requiring long-term stability at elevated temperatures and improved resistance to sulfur-containing atmospheres. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | 99.0 min | Primary matrix providing corrosion resistance and electrical conductivity | | **Magnesium (Mg)** | 0.15-0.25 | Key addition that enhances high-temperature strength and creep resistance | | **Carbon (C)** | 0.10 max | Controlled for optimal high-temperature performance | | **Manganese (Mn)** | 0.20 max | Improves manufacturability and hot workability | | **Iron (Fe)** | 0.15 max | Maintains purity and corrosion resistance | | **Silicon (Si)** | 0.10 max | Process control element | | **Copper (Cu)** | 0.10 max | Controlled residual element | | **Sulfur (S)** | 0.005 max | Minimized to prevent hot shortness | *Note: This alloy corresponds to UNS N02212 and is specifically designed for enhanced high-temperature performance.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 8.89 g/cm³ (0.321 lb/in³) - Melting Range: 1435-1445°C (2615-2633°F) - Thermal Expansion: 13.3 μm/m·°C @ 20-100°C - Thermal Conductivity: 69 W/m·K @ 100°C - Electrical Resistivity: 0.087 μΩ·m at 20°C - Magnetic Response: Essentially non-magnetic - Curie Temperature: 360°C (680°F) **Mechanical Properties (Annealed Condition):** - Tensile Strength: 400-570 MPa (58-83 ksi) - Yield Strength (0.2% Offset): 170-280 MPa (25-41 ksi) - Elongation: 35-45% - Hardness: HRB 50-75 - Modulus of Elasticity: 204 GPa (29.5 x 10⁶ psi) **High-Temperature Properties:** - Maximum Service Temperature: 650°C (1200°F) - Excellent creep resistance at elevated temperatures - Superior resistance to high-temperature oxidation - Good thermal stability under cyclic conditions --- #### **International Standards and Specifications** - **ASTM B160:** Nickel Rod and Bar - **ASTM B161:** Nickel Seamless Pipe and Tube - **ASTM B162:** Nickel Plate, Sheet, and Strip - **ASME SB-160/SB-161/SB-162:** Pressure vessel applications - **AMS 5555:** Aerospace Material Specification - **EN 2.4068:** European material designation - **DIN 17740:** Wrought nickel and nickel alloys - **ISO 6208:** Wrought nickel and nickel alloys --- #### **Product Applications** **High-Temperature Electrical Applications:** - Electron tube components and anodes - Transmitter tube parts requiring thermal stability - Power tube components for high-frequency applications - Electrical resistance elements for elevated temperature service - Electronic components in high-temperature environments **Chemical Processing Equipment:** - High-temperature caustic evaporation systems - Chemical reaction vessels operating above 400°C (750°F) - Equipment handling sulfur-containing atmospheres - High-purity chemical production systems - Fused salt processing equipment **Aerospace and Defense Systems:** - Rocket motor components - High-temperature electrical connectors - Aerospace instrumentation - Satellite power systems - Military electronic systems **Industrial Heating Applications:** - High-temperature furnace components - Heat treatment equipment - Temperature sensing elements - Industrial heating elements - Thermal processing equipment --- #### **Key Advantages** 1. **Enhanced High-Temperature Strength**: Superior creep resistance and mechanical stability at elevated temperatures up to 650°C (1200°F) 2. **Excellent Oxidation Resistance**: Outstanding performance in high-temperature oxidizing atmospheres 3. **Improved Sulfur Resistance**: Enhanced resistance to sulfur-containing environments compared to standard pure nickel 4. **Good Electrical Conductivity**: Maintains excellent electrical properties at elevated temperatures 5. **Superior Corrosion Resistance**: Excellent resistance to caustic alkalies and various chemical environments 6. **Excellent Thermal Stability**: Maintains mechanical properties under prolonged high-temperature exposure 7. **Good Fabricability**: Excellent welding, brazing, and forming characteristics 8. **Proven Reliability**: Extensive service history in demanding high-temperature applications --- **Conclusion** Aperam Nickel 212 represents a specialized magnesium-enhanced nickel alloy that delivers exceptional performance in high-temperature applications where standard pure nickel alloys may be limited. The strategic addition of magnesium significantly enhances the alloy's high-temperature strength, creep resistance, and stability, making it particularly suitable for demanding applications in electronics, aerospace, and high-temperature chemical processing. Supported by comprehensive international standards and rigorous quality control, Nickel 212 provides engineers and designers with a reliable material solution for applications requiring the unique combination of pure nickel's corrosion resistance with enhanced high-temperature mechanical properties. The alloy's proven track record in critical high-temperature applications establishes it as a premium choice for components where long-term reliability and performance at elevated temperatures are essential requirements.

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 3431 gallon liquid totes Special package is available on request.