Nickel 200 and Nickel 201 are solid solution strengthened, commercially pure wrought materials with good mechanical properties over a wide range of temperatures and excellent resistance to many corrosives, in particular hydroxides.

 Nickel 201 was a modification of 200 to control carbon (.02 max) which keeps it from being embrittled by intergranular precipitates at temperatures of 600° F to 1400° F in many processes. Typically, the elemental restrictions of both, nickel 200 and nickel 201, are combined into one, dual-certified chemistry resulting in a single alloy with the desired characteristics of both alloys, Nickel 200/201.

Characteristics of Nickel 200/201

  • 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

Nickel 200 (UNS N02200) Chemical Composition, %

Ni Fe Cu C Mn S Si
99.0 min .40 max .25 max .15 max .35 max .01 max .35 max


Nickel 201 (UNS N02201) Chemical Composition, %

Ni Fe Cu C Mn S Si
99.0 min .40 max .25 max .02 max .35 max .01 max .35 max

 

Mechanical Properties

Product Form
Condition
Tensile (ksi)
.2% Yield (ksi)
Elongation (%)
Hardness (HRB)
Rod & Bar
Hot Finished
60-85
15-45
55-35
45-80
Rod & Bar
Cold Drawn/Annealed or Hot-Finished/Annealed
55-75
15-30
55-40
45-70
Plate
Hot-Rolled/Annealed
55-80
15-40
60-40
45-75
Sheet
Annealed
55-75
15-30
55-40
70 max
Tube & Pipe
Seamless Annealed
55-75
12-30
60-40
70 max


 Applications

  • Food processing equipment
  • Marine and offshore engineering
  • Salt production
  • Caustic handling equipment