Nickel 200

Alloy 200 is an unalloyed wrought nickel. It offers excellent corrosion resistance, good mechanical, magnetic and magnetostrictive properties and useful thermal and electrical conductivities.

Chemical Composition

C Cu Mn Ni S Si
Max Max Max Min Max Max
0.10 0.25 0.30 99.2 0.005 0.10

Design Features

  • Excellent resistance to many corrosive media from acid to alkaline.
  • Extremely high resistance to caustic alkalis including the molten state.
  • Resistance to mineral acids varies according to temperature and concentration and whether or not the solution is aerated. Corrosion resistance is better in non-aerated acids.
  • In acid, alkaline and neutral salt solutions, Alloy 200 shows good resistance, however, severe attack occurs in oxidizing salt solutions.
  • Resistant to all dry gases at room temperature.

Typical Applications

  • Food production, such as the handling of cool brines, fatty acids and fruit juices
  • Vessels in which fluorine is generated and reacted with hydrocarbons
  • Storing and transportation of phenol – immunity from any attack ensures absolute product purity
  • Manufacture and handling of sodium hydroxide, particularly at temperatures above 570 ̊ F
  • Production of viscose rayon and manufacture of soap – general corrosion resistance and virtual immunity of intergranular attack above 600 ̊ F
  • Production of hydrochloride and chlorination of hydrocarbons such as benzene, methane and ethane

Material_200

Availability

  • Alloy 200 Seamless Pipe 1/4″ – 8″
  • Alloy 200 Weld Pipe 8″ – 24″
  • Alloy 200 Butt-Weld Fittings 1/2″ – 24″
  • Alloy 200 Bar 1/8″ – 11″
  • Alloy 200 Flanges 1/2″ – 24″
  • Alloy 200 Pressure Fittings 1/4″ – 2″
  • Alloy 200 Seamless Tube 1/8″ – 1″
  • Alloy 200 Plate 1/8″ – 3″

Specifications

  • ASTM B161, B162, B366, B160, B564
  • ASME SB161, SB162, SB366, SB160, SB564

Tensile Requirements

Tensile Strength (KSI) 58
Yield Strength (KSI) 18
KSI can be converted to MPA (Megapascals) by multiplying by 6.895.

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