The content is just an excerpt from the complete note for JSS2 First Term Basic Technology Lesson Note – Uses of Materials – Metals. Check below to download the complete PDF
WEEK: SIX
TOPIC: USES OF MATERIALS – METALS
SUB-TOPICS:
- Common Uses of Ferrous and Non-Ferrous Metals
- Brass
- Bronze
Sub-Topic I: Common Uses of Ferrous and Non-Ferrous Metals
Metals could be ferrous when it contains iron and non-ferrous when it does not contain iron. The things that we use that are made of metal or having metal parts in them are pots, radio, television sets, knives and forks, bicycles and motor cars. The uses of some common metals are as follows:
| Ferrous Metal | Uses |
| Mild steel | General structural work, bolts, nuts, tubes, tin plate and non-cutting tools. |
| Wrought iron | Chairs, crane hooks, haulage gear and boiler plates. |
| Cast iron | Cylinder blocks, piston rings, vice bodies, machine tool beds, marking-out tables and surface plates. |
| Medium carbon steel | Nails, hammers, screws, springs and tensile wires |
| High carbon steel | Pliers, cutting tool, chisels, taps, hacksaw blades punches, knives |
Materials made from wrought iron.
| Non-ferrous metals | Uses |
| Copper | Wires, boxes, electrical points, bowls, water pipes |
| Lead | Battery element, water piping, sheeting for roofing |
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