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Nickel 201 (UNS NO2201) Ni 99.6 C 0.02

Commercially pure wrought nickel, good mechanical properties, excellent resistance to many corrosives. Nickel 201 has low carbon (0.02% max.) for applications over 600 ºF (315 ºC).

Food processing equipment, chemical shipping drums, caustic handling equipment and piping, electronic parts, aerospace and missile components, rocket motor cases, magnetostrictive devices

Commercially pure wrought Nickel with similar properties to Alloy 200 but with a lower carbon content to prevent embrittlement by inter-granular carbon at elevated temperatures.

Nickel 201 can be hot formed to almost any shape.
Unit of Measure

Specifications

Process

 N/A Forged

Alloy

 N/A 201

Physical

Density

 N/A 0.321 lb/in³

Specific Heat

 N/A 0.109 Btu/lb ºF

Electrical Resistivity

 N/A 10 ohm/cir-mil-ft

Curie Temperature

 N/A 680 ºF

Melting Range

 N/A 2615 to 2635 ºF

Thermal Expansion Coefficient at 70 to 200 Degree Fahrenheit (ºF)

 N/A 7.3 x 10-6 in/in/ºF

Mechanical

Mechanical Type

 N/A Annealed

Tensile Strength

 N/A 50 to 60 ksi

Yield Strength

 N/A 10 to 25 ksi

Elongation

 N/A 60 to 40 %

Hardness

 N/A BHN 75 - 100

Nominal Chemistry

Minimum Nickel (Ni)

 N/A 99.0

Maximum Iron (Fe)

 N/A 0.4

Cobalt (Co)

 N/A Included in Nickel

Maximum Copper (Cu)

 N/A 0.25

Maximum Manganese (Mn)

 N/A 0.35

Maximum Silicon (Si)

 N/A 0.35

Maximum Carbon (C)

 N/A 0.02

General Resistance

General Resistance

 N/A Corrosion

Unified Numbering System (UNS)

 N/A N02201

Werkstof

 N/A 2.4068

Pipe/Tube USA

 N/A B161

Pipe/Tube Wkstf

 N/A 17740

Sheet/Plate USA

 N/A B162

Sheet/Plate Wkstf

 N/A 17750

Bar/Rod USA

 N/A B160

Bar/Rod Wkstf

 N/A 17752

Fitting USA

 N/A B163

Forging USA

 N/A B564

Weld Wire

 N/A ERNi-Cl

Weld Electrode

 N/A ENi-1

Machinability Ratings

Speed Surface

 N/A 65 ft/mm

Speed Percent (%) of B1112

 N/A 40

Note

 N/A These machinability ratios must be recognized as approximate values. They are a reasonable guide to relative tool life and lower required for cutting. It is obvious, however, that variables of speed, cutting oil, feed and depth of cut will significantly affect these ratios.

Characteristics

N/A

  • Good resistance to corrosion in acids and alkalis and is most useful under reducing conditions.
  • Outstanding resistance to caustic alkalis up to and including the molten state.
  • In acid, alkaline and neutral salt solutions the material shows good resistance, but in oxidizing salt solutions severe attack will occur.
  • Resistant to all dry gases at room temperature and in dry chlorine and hydrogen chloride may be used in temperatures up to 550 ºC.
  • Resistance to mineral acids varies according to temperature and concentration and whether the solution is aerated or not. Corrosion resistance is better in de-aerated acid.
  • Virtually immune to inter granular attack above 315 ºC, chlorates must be kept to a minimum.

Applications

N/A

  • Manufacture and handling of sodium hydroxide, particularly at temperature above 300 ºC.
  • Production of viscose rayon. Manufacture of soap.
  • Aniline hydrochloride production and in the chlorination of aliphatic hydrocarbons such as benzene, methane and ethane.
  • Manufacture of vinyl chloride monomer.
  • Storage and distribution systems for phenol immunity from any for of attack ensures absolute product purity.
  • Reactors and vessels in which fluorine is generated and reacted with hydrocarbons

Additional Information

Additional Information

 N/A The temperature range 1200 ºF to 2250 ºF is recommended and should be carefully abided as the proper temperature is the most important factor in achieving hot malleability. Full information of the forming process should be sought and understood before proceeding.

Nickel 201 is the low carbon version of Nickel 200. It is preferred to Nickel 200 for applications involving exposure to temperatures above 600 ºF. With low base hardness and lower work-hardening rate, it is particularly suited for cold forming. Nickel 201 can be cold formed by all conventional methods, but because nickel alloys have greater stiffness than stainless steels more power is required to perform the operations.