Nickel 201 alloys have similar grades in different countries and regions, as follows:
-United States: Nickel 201, UNS N02201
-China: N4
Europe: 2.4061
-Japan: NW2201
Nickel 201
Nickel 201 Alloy Properties
Nickel 201 is a low carbon nickel alloy, suitable for high temperature environment, has excellent corrosion resistance, especially suitable for alkaline environment. The alloy is widely used in the fields of chemical industry, electronics and aviation. The following details the domestic and foreign approximate grades, compositions, physical properties, heat treatment, processing and welding, applications, and provided specifications and forms of Nickel 201 alloys.
Ingredients
element |
Content (%) |
Nickel (Ni) |
≥ 99.0 |
Copper (Cu) |
≤ 0.25 |
Iron (Fe) |
≤ 0.40 |
carbon (C) |
≤ 0.02 |
Manganese (Mn) |
≤ 0.35 |
Silicon (Si) |
≤ 0.35 |
Sulfur (S) |
≤ 0.01 |
Physical Properties
performance index |
value |
density |
8.89 g/cm³ |
melting point |
1435°C |
Coefficient of thermal expansion (20-1000°C) |
13.3 x 10⁻⁶ /°C |
thermal conductivity |
70.3 W/(m·K) |
modulus of elasticity |
200 GPa |
heat treatment
Processing Steps |
Description |
annealing treatment |
was heated at 800-870°C and then rapidly cooled. |
machining and welding
·Cold working: suitable for cold drawing and cold rolling, which can increase strength.
·Hot processing: It should be carried out between 870-1230°C.
·welding: suitable for TIG and MIG welding, no special heat treatment is required after welding.
Application
·Chemical equipment: used for storage tanks and pipelines in alkaline solutions.
·Electronics industry: for electronic components and electrodes.
·Aerospace: components used in high temperature environments.
·Food Processing: Suitable for handling and production equipment.
Nickel 201 alloys are available in different shapes and sizes, including plate, bar, wire and forgings.