Alloy 200/201 NICKEL® 200/201 – W. Nr. 2.4060, 2.4066 / UNS N02200 / ASTM B160, B162, B366
Alloy 200/201 NICKEL® 200/201
Alloy 200/201 NICKEL® 200/201 is a pure nickel alloy (99.6%) with excellent corrosion resistance in a wide range of environments, particularly against alkaline substances and reducing agents. This material is characterized by high electrical and thermal conductivity , low hardness, excellent ductility, and malleability.
Magnetic properties, low vapor pressure, and low gas content make NICKEL® 200/201 ideal for applications requiring high product purity. This material is used in the production of chemical equipment, electronic components , and parts for the food industry .
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Reference standards:
- ASTM B160 (bars and wires)
- ASTM B162 (sheet and strip)
- ASTM B366 (Fittings and Flanges)
- ASME SB160, SB162, SB366
Chemical composition (%)
| Element | Content (%) |
|---|---|
| Nickel (Ni) + Cobalt (Co) | 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) | 0.01 max |
Mechanical properties
| Product shape | Tensile strength (MPa) | Yield strength (MPa) | Elongation (%) |
|---|---|---|---|
| Bars and Forgings (Annealed) | 380 – 520 | 105 – 210 | 55 – 40 |
| Sheet metal (Ricotte) | 380 – 520 | 105 – 210 | 55 – 40 |
| Tubes (Annealed) | 380 – 520 | 105 – 210 | 55 – 40 |
| Threads (Annealed) | 380 – 580 | 105 – 345 | 55 – 30 |
Physical properties
- Density: 8.89 g/cm³
- Melting Range: 1435 – 1446°C
- Specific Heat: 456 J/kg°C
- Thermal Conductivity: 66.5 W/m°C (at 100°C)
- Electrical Resistivity: 0.109 µΩ·m (at 20°C)
- Curie temperature: 360°C
Heat treatments
- Annealing: 1100-1300°C followed by cooling in air or water.
- Hot Forming: Working temperature between 1200-2250°F (650-1230°C), preferring temperatures above 1600°F (870°C).
- Cold Forming: Easily workable using conventional techniques.
Available formats
NICKEL® 200/201 is available in the following forms:
Industrial applications
Thanks to its excellent corrosion resistance and material purity, NICKEL® 200/201 is used in the following sectors:
- Aerospace and Defense: Corrosion-Resistant Structural Components.
- Power Generation: Components for chemical plants and cooling systems.
- Chemical and Pharmaceutical Industry: Equipment for the processing of acids and alkalis.
- Motorsport: Components exposed to high temperatures and aggressive environments.
- Nuclear: Structural components resistant to corrosion in radioactive environments.
- Oil & Gas: Pipes and fittings for the transport of corrosive and high-pressure fluids.
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