Nickel 201* Specification
*Trade name of Special Metals Group of Companies
- W.NR 2.4061
- W.NR 2.4068
- UNS N02201
- AWS 071
Applicable Standards:
- BS 3076 NA12
- ASTM B160
- ASTM B162
A commercially pure Nickel (typically 99.6% Nickel), Nickel 201 is essentially the same as Nickel 200, but with a lower Carbon content to prevent embrittlement by inter granular carbon at temperatures over 315oC (600oF). Lower carbon content also reduces hardness.
Applications include:
- Food Processing
- Synthetic Fibre Processing
- Heat Exchangers
- Chemical Industries
- Electrical Industries
| Approximate Chemical Composition | |
| Ni | 99% min |
| C | 0.02% max |
| Properties | ||
| DENSITY | 8.89 g/cm3 | 0.321 lb/in3 |
| MELTING POINT | 1446oC | 2635oF |
| COEFFICIENT OF EXPANSION | 13.1 µm/m °C (20 - 100°C) |
7.3 x 10-6 in/in
°F (70 - 212°F) |
| MODULUS OF RIGIDITY | 82 kN/mm2 | 11893 ksi |
| MODULUS OF ELASTICITY | 207 kN/mm2 | 30000 ksi |
| ELECTRICAL RESISTIVITY | |
| 8.5 μW • cm | 51 ohm • circ mil/ft |
| THERMAL CONDUCTIVITY | |
| 79.3 W/m • oC | 550 btu • in/ft2 • h • oF |
| CONDITION | APPROX TENSILE STRENGTH | APPROX SERVICE TEMPERATURE | |
| Annealed | 400 - 500 N/mm2 | 58 - 73 ksi |
Tensile strength and elongation drop significantly at
temperatures above 315°C (600°F). Service temperature is dependent on environment, load and size range. |
| Hard Drawn | 700 - 900 N/mm2 | 102 - 131 ksi | |
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