1.8 Ferrous & Non Ferrous Metals

Question 1

What are the two classifications of metals?

Answer 1

Ferrous
Non ferrous

Question 2

What are ferrous metals? Give 3 examples.

Answer 2

Metals that contain iron and have magnetic properties
Cast iron
Mild steel
Stainless steel

Question 3

What are alloys

Answer 3

An alloy is a mixture of two or more metals

Question 4

What are the advantages, disadvantages and uses of mild steel?

Answer 4

Ductile
Malleable
Poor corrosion resistance
Screws, bolts, nails

Question 5

What are the advantages, disadvantages and uses of stainless steel?

Answer 5

Corrosion resistant
Resistance to wear
Difficult to cut
Sinks, cutlery, kitchen ware

Alloy

Question 6

What are the advantages, disadvantages and uses of cast iron?

Answer 6

Soft core
Self lubricating
Brittle
Vices, pans, manhole covers

Question 7

What are non ferrous metals? Give three examples.

Answer 7

Non ferrous metals do not contain iron and have a higher resistance to rust and corrosion.
Aluminum
Copper
Brass

Question 8

What are the advantages and uses of aluminum?

Answer 8

Lightweight
Excellent strength to weight ratio
Aircraft, foil, drinks cans

Question 9

What are the advantages and uses of copper?

Answer 9

Corrosion resistant
Good conductor of electricity
Malleable
Ductile
Electrical wires, water pipes, circuits, roofs

Question 10

What are the advantages and uses of brass?

Answer 10

Corrosion resistant
Casts well
Good electrical and heat conductor
Door fittings, musical instruments, locks