Metal types

1. Cast iron

• strong, compression but brittle
  Used for- metal work vices, car cylinder blocks, drain covers

2. Mild steel

• rusts quick
  Used for- gates

3. Tool steel

• wrong and hard
  Used for- tools,

4. High speed steel;

• resistant to wear
• operates at high speeds (machines)
  Used for- drill bits

5. Stainless steel;

• doesn't rust
  Used for;
• cutlery

1. Aluminium;

• polished to a mirror like appearance
  Used for- cooking foil

2. Copper;

• conductor of heat
• malleable
  Used for- plumbing and electrical components

3. Tin;

• malleable
  Used for- coating on food cans

4. Zinc;

• weak
  Used for- buckets

1. Brass;

• 65% copper
• 35% zinc
• chromium plated
  Used for- plumbing accessories

2. Pewter;

• 92% tin, 6% antimony, 2% copper
  low melting point
  Used for- jewellery

3. Casting alloy

• aluminium, 3% copper, 5% silicon
  Used for- sand casting