Alloy Monel 400 Nickel Alloy Steel Pipe

Monel 400 is a nickel-copper alloy (about 67% Ni – 23% Cu) that is resistant to sea water and steam at high temperatures as well as to salt and caustic solutions. Alloy 400 is a solid solution alloy that can only be hardened by cold working. This nickel alloy exhibits characteristics like good corrosion resistance, good weldability and high strength. A low corrosion rate in rapidly flowing brackish or seawater combined with excellent resistance to stress-corrosion cracking in most freshwaters, and its resistance to a variety of corrosive conditions led to its wide use in marine applications and other non-oxidizing chloride solutions. This nickel alloy is particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated. As would be expected from its high copper content, alloy 400 is rapidly attacked by nitric acid and ammonia systems.

Chemical Composition, %

C	Mn	S	Si	Ni	Cu	Fe
.30 max	2.00 max	.024 max	.50 max	63.0 min	28.0-34.0	2.50 max

Applications

• Chemical and hydrocarbon processing equipment

• Gasoline and freshwater tanks

• Crude petroleum stills

• De-aerating heaters

• Boiler feed water heaters and other heat exchangers

• Valves, pumps, shafts, Fittings, and fasteners

• Industrial heat exchangers

• Chlorinated solvents

• Crude oil distillation towers

Product Pictures

Packaging and Delivery

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