Nickel 201
Ni201 (UNS N02201) is a low-carbon pure nickel alloy with ≥99.0% Ni content. Its controlled carbon content (≤0.02%) enhances resistance to sensitization at elevated temperatures, while maintaining exceptional electrical/thermal conductivity and corrosion resistance – making it ideal for chemical processing, electronics, and aerospace applications.
Nickel Alloy Ni201 – The Optimal Solution for Demanding Applications
Material Overview
Ni201 (UNS N02201) is a low-carbon pure nickel alloy with ≥99.0% Ni content. Its controlled carbon content (≤0.02%) enhances resistance to sensitization at elevated temperatures, while maintaining exceptional electrical/thermal conductivity and corrosion resistance – making it ideal for chemical processing, electronics, and aerospace applications.
Key Properties
Corrosion Resistance
Withstands reducing acids (HCl, H₂SO₄) & alkalis
Resists chloride-induced SCC
Stable in dry fluorine up to 540°C
Physical/Mechanical Properties
Density: 8.89 g/cm³ | Melting Point: 1435-1446°C
Annealed State: ≥345 MPa UTS, ≥100 MPa YS
Electrical Conductivity: 25% IACS
Fabrication Advantages
Excellent cold/hot workability
Weldable (TIG/MIG/brazing) & machinable
Typical Applications
Chemical
Reactors, heat exchangers
01
Electronics
Battery substrates
02
Aerospace
Fuel lines
03
Energy
Molten salt systems
04
Why Choose Ni201?
High-Temperature Reliability
Low carbon prevents intergranular attack
Multifunctional Performance
Balances conductivity & corrosion resistance
Cost Effectiveness
30%-50% cost savings vs. premium alloys
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Comparative Analysis with Competing Alloys
|
Property |
Ni201 |
Ni200 |
Monel 400 |
Hastelloy C276 |
|
Max Service Temp |
315°C (continuous) |
290°C(continuous) |
480°C |
1090°C |
|
HCl Resistance |
Excellent (dilute) |
Good |
Poor |
Excellent (conc.) |
|
Cost Efficiency |
High |
Moderate |
Moderate |
Low |
|
Primary Applications |
Electronics |
Food processing |
Marine systems |
Strong oxidizers |
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