Metals - Design and Technology GCSE AQA

Metals - Design and Technology GCSE AQA

What metal would be used to make bike frames, car body panels and structural pieces in buildings?

Low Carbon Steel (Mild Steel)

What are the characteristics of Low Carbon Steel?

Ferrous metal

0.05 - 0.3% Carbon

Good ductility

Hard

Tough

Brittle

High tensile strength

What metal would be used to make blades and chisels?

High Carbon Steel

What are the characteristics of High Carbon Steel

Ferrous metal

0.6 - 1.5% Carbon

Harder than mild steel

More brittle than mild steel

What metal would be used to make pans, vices and manhole covers?

Cast Iron

What are the characteristics of Cast Iron?

Ferrous metal

2.4 - 4% Carbon

Very hard

Brittle if thin

Can be cast in a mould

What metal would be used to make drink cans and foil?

Aluminium

What are the characteristics of Aluminium?

Non - ferrous metal

Lightweight

Malleable

Strong

Ductile

What metal would be used to make plumbing parts and electrical cables?

Copper

What are the characteristics of Copper?

Non - ferrous metal

Good electrical conductor

Good thermal conductor

Welds easily

Ductile

What metal would be used to make food cans and to plate steel?

Tin

What are the characteristics of Tin?

Non - ferrous metal

Soft

Malleable

Good electrical conductor

Easy to form

What metal would be used to galvanise steel?

Zinc

What are the characteristics of Zinc?

Non - ferrous metal

Brittle

Malleable

Resistant to rusting

What metal would be used to make musical instruments, door knobs and ornamental hardware?

Brass

What are the characteristics of Brass?

Non - ferrous metal

Alloy

65% Copper + 35% Zinc

Malleable

Can be cast and machined

Low friction

What metal would be used to make cutlery and sinks?

Stainless Steel

What are the characteristics of Stainless Steel?

Ferrous metal

Alloy

Mild steel + 10 - 26% Chromium

Hard

Resistant to rust

Smooth

What metal would be used to make brill bits and saw blades?

High Speed Steel

What are the characteristics of High Speed Steel?

Ferrous metal

Alloy

Withstand high temperatures

Hard

More brittle than Stainless Steel