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NICKEL 200 / 201

Nickel 200 and Nickel 201 are solid solution strengthened, commercially pure wrought materials.
Typically, the elemental restrictions of both alloys are combined into one, dual-certified chemistry resulting
in a single alloy with the desired characteristics of both alloys. Applications where Nickel 200/201
can be used include chemical processing and storage, synthetic fiber production, and processes
where sodium hydroxide and fluorine is used. Other applications include aerospace and defense as well
as food processing. Nickel 200/201 has exceptional resistance to caustic alkalies at various temperatures
and concentrations.
When operating temperatures are expected to exceed 600°F, carbon content becomes critical.
The lower carbon content of Nickel 201 makes the material resistant to graphitization and therefore less
subject to embrittlement. Pressure vessels and vessel components can be constructed from Nickel 201
according to the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 for use up to 1250°F.

Resistance to Corrosion
Both Nickel 200 and 201 offer corrosion resistance in reducing and neutral media as well as in oxidizing
atmospheres provided that the oxidizing media allows the formation of a passive oxide film. This
oxide film accounts for the materials excellent resistance in caustic environments.

Mechanical Properties

Room Temperature Properties of Various Products
Product Form                 Condition             Tensile (ksi) 0.2%             Yield (ksi)             Elongation (%)             Hardness (HRB)
Rod & Bar                   Hot Finished                   60 to 85                     15 to 45                       55 to 35                     45 to 80
Rod & Bar                 CD/Annealed or               55 to 75                      15 to 30                      55 to 40                     45 to 70
                            Hot-Finished/Annealed
Plate                       Hot-Rolled/Annealed             55 to 80                    15 to 40                      60 to 40                     45 to 75
Sheet                              Annealed                       55 to 75                    15 to 30                      55 to 40                     70 Max.
Tube & Pipe           Seamless Annealed                55 to 75                    12 to 30                      60 to 40                     70 Max.

Chemical Composition
Ni..............99.0 Min. Si.................0.35 Max.
Fe...............0.40 Max. Cu...............0.25 Max.
C................0.15 Max. S..................0.01 Max.
Mn.............0.35 Max



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Nickel Steel


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