Description:

Alloy 400 is a copper-nickel alloy with excellent corrosion resistance, good corrosion resistance in various media, welding performance, high strength and moderate strength. This alloy has been widely used in many occasions, in salt water or sea water. It has excellent resistance to pitting and stress corrosion. Especially resistant to hydrofluoric acid and hydrochloric acid. Widely used in chemical, petroleum and marine industries.

 

 

Application field：

l lPower plant water supply and steam generator oil pipes

l lManufacturing pumps and valves

l lPropeller shaft pump

l lIndustrial heat exchange device

l lSplash the sheath in the structure of sea water separated from the rock

l lThe production of nuclear fuel by extracting uranium isotopes from plants

l lSulfuric acid and hydrofluoric acid alkylation plant

l lBrine boiler, seawater washing in the inert gas system of the tanker

 

Corrosion resistance

l Excellent resistance to chloride ion stress corrosion cracking.

l Anti-neutral, alkaline and acidic salts have different properties, especially those containing oxidizing acid salts.

l Good resistance to sulfuric acid and hydrofluoric acid liquid.

l It can be contacted with fluorine, hydrofluoric acid, hydrofluoride or its derivatives.

 

 

 

Note: If the alloy powder has moisture absorption, or the storage period exceeds 3 months, it should be used before

Carry out drying treatment (150℃, heat preservation for 2 hours)