Written by Nickel 201, also known as UNS N02201, is a high-purity, low-carbon version of Nickel 200, specifically designed to offer enhanced performance in high-temperature and corrosive environments. It is widely utilized in industries where resistance to corrosion and high thermal stability are paramount. This blog delves into the composition, properties, and applications of Nickel 201 pipes and tubes.
Chemical Composition
Nickel 201 boasts a purity level of 99.0% nickel, with minimal additions of other elements:
| Element | Composition (Max %) |
|---|---|
| Nickel | 99.0 |
| Iron | 0.40 |
| Manganese | 0.35 |
| Silicon | 0.35 |
| Copper | 0.25 |
| Carbon | 0.02 |
| Sulfur | 0.01 |
This composition ensures excellent mechanical properties and corrosion resistance, making it suitable for various demanding applications.
Mechanical Properties
Nickel 201 exhibits impressive mechanical characteristics:
- Tensile Strength (Annealed): Approximately 462 MPa (67,000 psi)
- Yield Strength (0.2% Offset): Around 148 MPa (21,500 psi)
- Elongation: 45%Tejdeep Steels
These properties contribute to its durability and reliability in industrial applications.
Physical Properties
Key physical attributes of Nickel 201 include:
- Density: 8.9 g/cm³
- Melting Point: Approximately 1446°C (2635°F)
- Thermal Conductivity: 79.3 W/m·K
- Electrical Resistivity: 6.84 µΩ·cm at 20°CFushun Special Steel Co., Ltd -+4MV Super Alloys+4navneetcorp.com+4Fushun Special Steel Co., Ltd –Tejdeep Steels
These characteristics make Nickel 201 an excellent choice for applications involving high temperatures and thermal conductivity.
Fabrication and Welding
Nickel 201 can be fabricated and welded using conventional methods. Its low carbon content reduces the risk of carbide precipitation, enhancing its weldability. However, care should be taken to avoid sulfur contamination during welding, as it can lead to embrittlement at elevated temperatures.
Applications
Nickel 201 pipes and tubes are employed across various industries:
- Chemical Processing: Used in equipment handling caustic soda and other corrosive substances.
- Aerospace: Ideal for components exposed to high temperatures and corrosive environments.
- Electronics: Utilized in the manufacturing of electronic components requiring high thermal stability.
- Food Processing: Suitable for equipment in contact with natural and distilled waters.
Product Forms and Specifications
Nickel 201 is available in various forms, including:
- Pipes & Tubes: Seamless, welded, and fabricated options.
- Standards: ASTM B161, ASTM B163, ASTM B725, ASTM B730.
- Dimensions: Outer diameters ranging from 3.35 mm to 152 mm, with wall thicknesses from 0.020″ to 0.220″.
- Finishes: Polished, annealed, bright annealed, and cold drawn.corrotherm.co.uk+4Kalpataru Piping+4MV Super Alloys+4Fushun Special Steel Co., Ltd -+2MV Super Alloys+2navneetcorp.com+2navneetcorp.com
These specifications cater to diverse industrial requirements.
Global Standards and Equivalents
Nickel 201 complies with several international standards:
- USA (ASTM): B161, B163, B725, B730
- Germany (DIN): 2.4068
- Japan (JIS): NW 2201
- UK (BS): NA 12Kalpataru Piping+3Fushun Special Steel Co., Ltd -+3navneetcorp.com+3Kalpataru Piping+2navneetcorp.com+2MV Super Alloys+2
These certifications ensure the material meets global quality and performance benchmarks.
Conclusion
Nickel 201 pipes and tubes are indispensable in industries requiring materials that can withstand high temperatures and corrosive environments. Their exceptional mechanical and physical properties, coupled with compliance with international standards, make them a preferred choice for critical applications.
For more detailed specifications or inquiries, feel free to contact us.
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