Metals

Question 1

What is a Ferrous metal

Answer 1

Metal that consists mostly of iron and small amounts of other elements.

Question 2

Mild steel

Answer 2

Ferrous metal
Ductile and malleable
Prone to rust
Used to make nuts, bolts, car bodies, gates

Question 3

Carbon steel

Answer 3

Ferrous metal
1.5% carbon content
very strong and hard
Resistant to abrasion
Used to make, hand tools, garden tools, hammers.

Question 4

Cast Iron

Answer 4

Ferrous metal
93% iron and 4% carbon
strong in compression
very brittle
used for , car breaks, vices, pillar drill bases

Question 5

What is a non ferrous metal

Answer 5

Metals that do not have any iron in them. They are not attracted to magnets and they do not rust.

Question 6

Aluminium

Answer 6

Non ferrous, light weight, malleable
used to make , sauce pans, cooking foil, window frames.

Question 7

Copper

Answer 7

Non ferrous
Ductile and malleable
Red / brown in colour
very good conductor of heat + electricity
Used for, electric components, cookware, plumbing.

Question 8

Zinc

Answer 8

Non ferrous
Resitant to corrosion
very weak
used for coatings and galvanising steel.

Question 9

Tin

Answer 9

Non ferrous
very ductile and malleable
used for food cans and beer cans.

Question 10

what is an alloy

Answer 10

substances that cantain two or more different metals and occasionally other elements.

Question 11

stainless steel

Answer 11

alloy of iron with, 18% chromium, 8% nickle, 8% magnesium content.
- very resistant to wear and rust.
- used for kitchen appliances and cutlery.

Question 12

Duralumin

Answer 12

alloy
- good strength to weight ratio
- very hard and tough
- can suffer from corrosion
- used for aircrafts, precision tools, engine
parts

Question 13

Brass

Answer 13

alloy of 65% copper and 35% zinc.
- used for decorative metal work
- door handles, musical instrument