- 2074 Asoj · 2 marks
Non-ferrous metals properties and uses
Short answer
Non-ferrous metals resist corrosion, are good conductors, lighter than steel, easy to form, non-magnetic. Aluminium: light, corrosion-resistant, used for windows, roofing, cladding. Copper: excellent conductor for wires and pipes. Zinc: used for galvanising. Lead: radiation shielding, flashing.
Write down the properties and uses of non-ferrous metals.
Non-ferrous metals contain no (or very little) iron.
General properties
- Most resist corrosion (do not rust) and are good conductors of heat and electricity. Many (e.g. aluminium) are much lighter than steel, though some (copper, lead) are heavier.
- Easy to cast, work and form, and non-magnetic.
- Generally weaker and costlier than steel.
Common metals and uses
| Metal | Properties | Uses |
|---|---|---|
| Aluminium | Light, corrosion resistant, ductile | Windows, doors, roofing sheets, cladding, wires |
| Copper | Excellent conductor, ductile | Wires, pipes, roofing |
| Zinc | Corrosion resistant | Galvanising, roofing sheets |
| Lead | Heavy, soft, corrosion resistant | Pipes, radiation shielding, roof flashing |
| Tin | Soft, non-toxic | Coating (tin plate), solder |
| Brass / bronze | Strong, durable alloys | Fittings, taps, ornamental items |
✓ Answer checked by Claude Opus 5.5 (high effort)
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