What is Non-ferrous Material and its Uses
What is Non-Ferrous Metal ?
Metal such as Aluminum, Copper, Nickel, Titanium, Zinc, Lead etc.
Contain no iron or insignificant amount
Generally more expensive than ferrous metals
Light Weight (Aluminum), higher conductivity (copper), non-magnetic property or resistance of corrosion.
What is Non-ferrous Material and its Uses
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Material used in process Industries
Copper and Copper Alloys
Nickel and Nickel Alloys
Aluminum and Aluminum Alloys
Zirconium and Zirconium Alloys
What is Non-ferrous Material and its Uses
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Copper and Copper Alloys :
Good thermal conductivity
Brass, Bronzes (Cu-Sn) and Cupronickels (Cu-Ni)
Good Corrosion resistance
Cupronickels have highest corrosion resistance among Cu alloys.
Cupronickels are used for heat exchanger tubing and sea water application
Can be used as cladding material with carbon steel
What is Non-ferrous Material and its Uses
Nickel and Nickel Alloys :
Good resistance to oxidation and corrosion
Monel 400 and Hastelloy are well Known example
Used in Piping System, Pressure Vessel, Turbine, Blading, Valves, and power plant accessories handling steam
Frequently used as a cladding material with carbon steel
What is Non-ferrous Material and its Uses
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Aluminum and Aluminum Alloys :
Good thermal conductivity
Most workable metal
Highly resistance to atmosphere condition
Subject to galvanic attack if coupled with more noble materials
Loses strength rapidly above 175 degree Celsius.
Rarely used in process piping.
Used as a external clade material for thermal insulation
What is Non-ferrous Material and its Uses
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Titanium and Titanium Alloys :
High strength to weight ratio
Titanium Oxide is formed which prevents corrosion
Resistant to Nitric Acid
Welding requires inert atmosphere
Loses strength above 400 Degree Celsius
Can be used as clade material with carbon steel
What is Non-ferrous Material and its Uses
Zirconium and Zirconium Alloys :
Zirconium alloys are used, where strong acids and alkalis are present, where other material can not be used due to very aggressive environment.