Nickel 201 Pipe & Tube (UNS N02201)
Nickel 201 Pipe and Tube (UNS N02201)
Nickel 201 is a commercially pure wrought nickel alloy with low carbon content and low impurity levels, designed for high-purity and corrosive environments.
This composition ensures strong resistance to caustic alkalis, dry gases, and reducing chemical media, making it suitable for demanding industrial systems.
It is widely used in chemical processing, electronics, food production, and caustic soda equipment.
Low Carbon Structure
Reduces carbide precipitation and improves long-term stability.
High Corrosion Resistance
Performs well in caustic and reducing environments.
High Purity Alloy
Suitable for sensitive chemical and electronic applications.
Product Forms, Applications & ASTM Standards
Nickel 201 (UNS N02201) is available in multiple product forms designed for chemical, marine, electronics, and high-purity industrial systems. Each form follows international ASTM standards.
Nickel 201 Seamless Pipe
Application: High-pressure chemical processing, caustic handling systems
Industry: Chemical, Petrochemical
ASTM: ASTM B161
Nickel 201 Seamless Tube
Application: Heat exchangers, condenser systems, thermal equipment
Industry: Power generation, Chemical processing
ASTM: ASTM B163
Nickel 201 Welded Pipe
Application: Medium-pressure fluid transport systems
Industry: Industrial processing, Chemical plants
ASTM: ASTM B725
Nickel 201 Welded Tube
Application: Structural process tubing, fluid transfer lines
Industry: Engineering systems, Manufacturing
ASTM: ASTM B730
Instrumentation Tube
Application: Precision control, analytical systems
Industry: Laboratory, Electronics, Instrumentation
ASTM: ASTM B366 (fittings system) / custom tubing spec
Capillary Tube
Application: Gas sampling, analytical devices, micro-flow systems
Industry: Medical, Laboratory, Electronics
ASTM: ASTM B163 / custom precision spec
Heat Exchanger Tube
Application: Heat transfer equipment, condensers, boilers
Industry: Power plant, Chemical, Marine
ASTM: ASTM B163
U-Bent Tube
Application: Compact heat exchanger assemblies
Industry: Energy systems, HVAC, Marine engineering
ASTM: ASTM B163
Custom Fabricated Products
Application: Project-specific engineered systems
Industry: EPC projects, Chemical engineering
ASTM: ASTM B161 / B163 / B725 (as required)
Industrial Applications of Nickel 201 Pipe & Tube
Nickel 201 (UNS N02201) is widely used in industries requiring high corrosion resistance, material purity, and stability in aggressive chemical environments.
Chemical Industry Systems
Equipment: Reactors, evaporators, storage tanks
Medium: Caustic soda, alkali solutions
Benefit: Excellent resistance to corrosive chemical attack
Petrochemical Plants
Equipment: Heat exchangers, process piping
Medium: Hydrocarbon + reducing environments
Benefit: Stable performance under harsh processing conditions
Marine Engineering
Equipment: Seawater cooling systems, condensers
Medium: Salt water, chloride environment
Benefit: High resistance to seawater corrosion
Power Plants
Equipment: Boilers, heat exchangers
Medium: High-temperature steam systems
Benefit: Excellent thermal stability and durability
Electronic Industry
Equipment: Precision tubing, process equipment
Medium: High-purity gases and chemicals
Benefit: Maintains ultra-high material purity
Food Industry Equipment
Equipment: Processing lines, heat systems
Medium: Organic acids, cleaning agents
Benefit: Non-contaminating, safe for hygienic systems
Nickel 200 vs Nickel 201
Both
| Property | Nickel 200 | Nickel 201 |
|---|---|---|
| Carbon Content | Higher carbon level | Low carbon (≤0.02%) |
| High Temperature Use | Limited above 315°C | Better performance at elevated temperature |
| Work Hardening | Moderate | Lower tendency |
| Corrosion Resistance | Excellent in reducing environments | Excellent + improved thermal stability |
| Typical Applications | Chemical processing, food industry | High-purity systems, caustic environments |
| Recommendation | General industrial use | Preferred for high-temperature and high-purity service |
Selection depends on service temperature, purity requirements, and chemical exposure conditions.
Nickel 201 Product Specifications
Comprehensive specification overview including form, ASTM standard, dimensions, length, finish, and applications.
| Product Form | ASTM Standard | OD Range | WT Range | Length | Finish | Application |
|---|---|---|---|---|---|---|
| Seamless Pipe | ASTM B161 | 6 – 508 mm | 1 – 20 mm | 5.8 m / 6 m / Random | Annealed / Pickled | Chemical processing, high-pressure systems |
| Seamless Tube | ASTM B163 | 3 – 76 mm | 0.5 – 6 mm | Coil / Straight / Cut length | Bright Annealed / Pickled | Heat exchangers, condensers |
| Welded Pipe | ASTM B725 | 15 – 508 mm | 1 – 12 mm | 6 m / 12 m / Custom | Annealed / Pickled | Industrial piping systems |
| Welded Tube | ASTM B730 | 6 – 76 mm | 0.5 – 6 mm | Fixed / Coil | Annealed | Structural and process tubing |
| Instrumentation Tube | ASTM B163 / Custom | 3 – 25 mm | 0.5 – 3 mm | Coil / Straight | Bright Annealed | Control systems, instrumentation |
| Capillary Tube | Custom / B163 | 0.3 – 6 mm | 0.1 – 1 mm | Coil | Bright Annealed | Analytical, medical, precision systems |
| Heat Exchanger Tube | ASTM B163 | 6 – 50.8 mm | 0.5 – 3 mm | Fixed length | Annealed / Pickled | Power plant, marine, chemical exchangers |
| U-Bent Tube | ASTM B163 | 6 – 25 mm | 0.5 – 3 mm | Custom U-bend | Annealed | Compact heat exchanger systems |
| Custom Fabrication | ASTM B161 / B163 / B725 | As required | As required | Custom | Custom | EPC projects, special engineering systems |
Specifications may vary depending on project requirements and international standards.
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