Metals

Metals

1. Ferrous metals

   • Pure iron
     • Properties
       • Magnetic properties, soft, fragile, and difficult to machine
     • Uses
       • Rarely used, used in electronics
   • Steel
     • Properties
       • Good mechanical resistance to traction, tough maleable and ductile
     • Uses
       • Structures in construction, cars, boats, trains, tools
   • Cast iron
     • Properties
       • Not malleable and not ductile, not possible to weld
     • Uses
       • Engines, stands for machines, pistons, street lamps

2. non-ferrous metals

   • Heavy
     • Density: ≥ 5 kg/dm3
       • Examples: Lead, Cooper, Zinc, Tin, Nickel
   • Light
     • Density: between 2 y 5 kg/dm3
       • Examples: Aluminium, Titanium
   • Ultra-light
     • Density: 2 kg/dm3
       • Examples: Magnesium, Beryllium

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