Classification of Engineering Materials Part 2

Non - Ferrous Metals


  • Aluminum and its alloys
  • Copper and its alloys
  • Magnesium and its alloys
  • Nickel and its alloys
  • Titanium and its alloys
  • Refractory metals

Aluminum and its alloys


1.High strength to weight ratio
2.Resistance to corrosion
3.High thermal and electrical conductivity
4.Ease of machinability
5.Non-magnetic

Magnesium and its alloys


•Magnesium (Mg) is the lightest metal. 

•Alloys are used in structural and non-structural applications. 

•Typical uses of magnesium alloys are aircraft and missile components. 

•Also has good vibration-damping characteristics.

Copper and its alloys

•Copper alloys have electrical and mechanical properties, corrosion resistance, thermal conductivity and wear resistance. 
•Applications are electronic components, springs and heat exchangers.
•Brass is an alloy of copper and zinc.
•Bronze is an alloy of copper and tin.


Nickel and its alloys

•Nickel (Ni) has strength, toughness, and corrosion resistance to metals.
•Used in stainless steels and nickel-base alloys.
•Alloys are used for high temperature applications, such as jet-engine components and rockets.

Titanium and its alloys


  • Titanium (Ti) is expensive, has high strength-to-weight ratio and corrosion resistance.
  • Used as components for aircrafts, jet-engines, racing-cars and marine crafts.

Refractory Metals


•Refractory metals have a high melting point and retain their strength at elevated temperatures. 

•Applications are electronics, nuclear power and chemical industries. 
• Molybdenum, columbium, tungsten, and tantalum are referred to as refractory metal. 

Other Non-Ferrous Metals

Low melting point metals
  • Lead
  • Zinc
  • Tin
Precious Metals
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