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Alloy 200 (UNS N02200)

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

Availability - Alloy 200 

Seamless Pipe 1/2" - 8"

Weld Pipe 8" - 12"

Butt-Weld Fittings 1/2" - 8"

Pressure Fittings 1/2" - 2"

Flanges 1/2" - 8"

Specifications - Alloy 200

ASTM

B131, B164, B366 

ASME

SB131, SB164, SB366

 

 

 

 

Chemical Composition - Alloy 200

C Cu Mn Ni S Si
Max Max Max Min Max Max
0.1% 0.25% 0.3% 99.2% 0.005% 0.1%

 

Design Features - Alloy 200

  • Excellent resistance to many corrosive media from acid to alkaline.
  • Extremely high resistence to caustic alkalis including the molten state.
  • Resistance to mineral acids varies according to temperature and conventration and whether or not the solution is aerated. Corrosion resistance is better n 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 - Alloy 200

  • 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 form of 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 to intergranular attack above 600°F.
  • Production of hydrochloride and chlorination of hydrocarbons such as benzene, methane and ethane.

Tensile Requirements - Alloy 200

Tensile Strength (KSI): 58

Yield Strength (KSI): 18

KSI can be converted to MPA (Megapascals) by multiplying by 6.895.

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