TECHICAL MATERIALS:METALS

TECHICAL MATERIALS:METALS

1. MEVHANICAL PROPERTIES

   • HARD
   • MALLEABLE
   • DUCTILE
   • TOUGH

2. THERMAL PROPERTIES

   • GOOD CONDUCTORS
   • EXPAND AND CONTRACT
   • SOLDERED

3. ELECTRICALS AND MAGNETIC PROPERTIES

   • GOOD CONDUCTORS
   • MAGNETIC BEHAVIOUR

4. OTHER PROPERTIES

   • RUST
   • CONDUCTORS
   • SOLID
   • HEAVY AND DENSE

5. PROPERTIES OF STEEL

   • EASY TO SOLDER
   • CAN BE FORGED
   • IT RUST EASILYY
   • IS HARD AND TOUGHT

6. PROPERTIES OF CAST IRON

   • RESISTANT TO CORROSION AND TEMPERATURE CHANGES
   • IS EASY TO MOULD
   • DIFFICULT TO SOLDER
   • IS HARDER AND LESS DUCTILE

7. PROPERTIES OF COPPER

   • IS VERY GOOD CONDUCTOR
   • IS HIGHLY RESISTANT TO CORROSION
   • IS VERRY DUCTIBLE AND MALLEABLE AND EASY TO SOLDER

8. PROPERTIES OF TIN

   • IS V ERY DUCTILE AND MALLEABLE WHEN COLD
   • IS EASY TO WORK AND TO MELT

9. PROPERTIES OF ALUMINIUM

   • IS VERY LIGHT
   • IS RESISTANT TO CORROSION
   • IS GOOD CONDUCTOR
   • IS NOT-TOXIC
   • IS VERY DUCTILE AND MALLEABLE
   • IS EASY TO SHAPE

10. PROPERTIES OF ZINC

    • IS MALLEABLE AND DUCTILE
    • IS GOOD CONDUCTR
    • IS HIGHLY RESISTANT TO CORROSION AND RUST