Nickel 201 • UNS N02201

Nickel 201 is a commercially pure nickel alloy that offers excellent corrosion resistance, good mechanical properties, and high thermal and electrical conductivity. It is a versatile material used in various industries, including chemical processing, electronics, aerospace, and marine.

Nickel 201 consists of a minimum of 99.2% nickel. The high nickel content contributes to its superior corrosion resistance, making it highly resistant to a wide range of corrosive environments, including acids, alkaline solutions, and saltwater. It exhibits excellent resistance to both reducing and oxidizing conditions.

The primary applications of Nickel 201 include chemical processing equipment, where its corrosion resistance is highly valued. It is used in the production of electrical connectors, batteries, and electronic components due to its excellent electrical conductivity. In the aerospace industry, Nickel 201 finds application in aircraft components and rocket motor cases.

Available tube product forms

Typical Applications

  • Electrical Connectors
  • Aircraft Components
  • Marine Fittings

Typical Manufacturing Specifications

  • ASTM B160
  • ASTM B161
  • ASTM B162
  • Also individual customer specifications

Industries predominantly using this grade

  • Chemical Processes
  • Electrical
  • Aerospace
  • Food Processing

Technical Data

Mechanical Properties


Tensile Strength 380 MPa (55,000 psi) minimum
Yield Strength 105 MPa (15,000 psi) minimum
Elongation 35% minimum (in 2-inch gauge length)
Hardness HRB 45-70 (Typical)
 

Physical Properties


Density 8.89 g/cm³
Melting Range 1446°C (2635°F)
Thermal Conductivity 70.2 W/m·K (at 20°C)
Electrical Resistivity 9.6 μΩ·m (at 20°C)
Modulus of Elasticity 204 GPa (29.6 x 10^6 psi)
 

Chemical Composition (% by weight)


Element Min Max
Ni 99 -
C - 0.02
Fe
- 0.40
Mn
- 0.35
Si
-
0.35
Cu
- 0.25