UNS N02201 N4 (Nickel 201)

Short Introduction:

UNS N02201/N4 (Nickel 201)/W.Nr 2.4061 has highly resistant to various reducing chemicals,excellent resistance to caustic alkalies,high electrical conductivity.



UNS N02201/N4 (Nickel 201)

UNS N02201/N4 (Nickel 201)

Material grades and equivalents UNS N02201/ W.Nr 2.4061/N4

UNS N02201 Chemical composition

Alloy % Ni Fe C Mn Si Cu S
UNS N02201 Min.  Balance
Max. 0.4 0.02 0.35 0.35 0.25 0.01


UNS N02201 Pysical properties

Density 8.89 g/cm³
Melting point 1440℃


UNS N02201 Alloy minimum mechanical properties in the room temperature


Product Form

 Condition Tensile strengthRm N/mm² Yield strength RP0.2 N/mm²  Elongation A5 %  Brinell hardness HB
Rod & Bar Hot Finished 60-85 15-45 35-55 45-80
 Rod & Bar Cold Drawn/Annealed orHot-Finished/Annealed  55-75  15-30  40-55  45-70
Plate Hot-Rolled/Annealed 55-80 15-40 40-60 45-75
Sheet Annealed 55-75 15-30 40-55 70 max
Tube & Pipe Seamless Annealed 55-75 12-30 40-60 70 max

UNS N02201Characteristic as below:

  • Highly resistant to various reducing chemicals Excellent resistance to caustic alkalies
  • High electrical conductivity
  • Excellent corrosion resistance to distilled and natural waters Resistance to neutral and alkaline salt solutions
  • Excellent resistance to dry fluorine Widely used to handle caustic soda
  • Good thermal, electrical and magnetostrictive properties
  • Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations  

UNS N02201 Application field :

  • Food processing equipment Marine and offshore engineering
  • Salt production
  • Caustic handling equipment
  • Manufacture and handling of sodium hydroxide, particularly at temperatures above 300° F Reactors and vessels in which fluorine is generated and reacted with hydrocarbons


Pipe Smls Pipe Welded Tube Smls Tube Welded Sheet/Plate Bar Fitting
B161 B622 B161 B622 B162 B160 B163

UNS N02201/N4 (Nickel 201)