Nickel 211 (W. Nr. 2.4110) is wrought nickel strengthened with an addition of 2%manganese to provide high strength. Nickel 212 is a good thermal conductor and has good corrosion resistance. The product is used for electrical and electronic applications such as lead wires, supporting components in lamps and cathode-ray tubes, and electrodes in glow-discharge lamps.
Chemical composition
| Nickel Ni 97.0 | Manganese Mn 1.5-2.5% |
Physical properties
| Density g/cm3 | Electrical Resistivity at 20°C Ω mm2/m | Melting Point °C | Thermal Expansion ppm/°C 23 at 200 °C | Termal Conductivity at 20 °C (W/m/°C ) |
| 8.9 | 0.11 | 1440 | 12.9 | 44 |
Mechanical properties
| Material | Tensile Strength (MPa) |
Elongation, A % |
| Nickel 211 | 400 | 15 – 30 |
Product forms
| Product | Size (mm) | Condition of Supply |
| Wire | 0.2 – 12.0 | Soft Annealed Semi-Hard Hard |
| Stranded Wire | 5.0 – 60.0 | Hard Annealed |
Applications
The key applications of Nickel 212 are in the following areas:
- Sparking contacts
- Electrical lead wires
- Supporting parts in lamps and cathode ray tubes
- Electrodes in glow-discharge lamps
- Heating cables