Metals Examples

Question 1

Non ferrous examples

Answer 1

Aluminium
Copper
Zinc
Silver
Gold
Titanium
Tin

Question 2

Ferrous examples

Answer 2

Low carbon steel
Medium carbon steel
Cast iron

Question 3

Ferrous alloys

Answer 3

Stainless steel
High speed steel
Die steel (tool steel)

Question 4

Non-ferrous alloys examples

Answer 4

Bronze
Brass
Duralumin
Pewter

Question 5

Aluminium: Properties/characteristics

Answer 5

Lightweight, ductile, malleable, corrosion resistant, electrical and thermal conductor, can be metal inert gas (MIG) and tungsten inert gas (TIG) heat welded.

Question 6

Copper: Properties/characteristics

Answer 6

Ductile, malleable, tough, corrosion resistant, good electrical and thermal conductor, can be soldered and brazed.

Question 7

Zinc: Properties/characteristics

Answer 7

Low melting point, good corrosion resistance.

Question 8

Silver: Properties/characteristics

Answer 8

Malleable, ductile, corrosion resistant, can be soldered.

Question 9

Gold: Properties/characteristics

Answer 9

Malleable, ductile, corrosion resistant, can be soldered.

Question 10

Titanium: Properties/characteristics

Answer 10

Hard, similar strength to steels but more lightweight, high resistance to corrosion

Question 11

Tin: Properties/characteristics

Answer 11

Ductile, malleable, low melting point, corrosion resistant.

Question 12

Low carbon steel: Properties/characteristics

Answer 12

Ductile, high tensile strength, tough, malleable, poor resistance to corrosion.
0.15-0.30 per cent carbon content.

Question 13

Medium carbon steel: Properties/characteristics

Answer 13

Harder than low carbon steel but less ductile, malleable and tough.
0.30-0.70 per cent carbon content.

Question 14

Cast iron: Properties/characteristics

Answer 14

Hard outer skin but brittle core, good under compression.
3.5 per cent carbon.

Question 15

Stainless steel: Properties/characteristics

Answer 15

Tough, hard, corrosion resistant.
18 per cent chrome, 8 per cent nickel.

Question 16

High speed steel: Properties/characteristics

Answer 16

Hard, tough, high level of resistance to frictional heat.
18 per cent tungsten, 4 per cent chromium,
1 per cent vanadium, 0.5-0.8 per cent carbon.

Question 17

Die steel: Properties/characteristics

Answer 17

Hard, tough.

Question 18

Bronze: Properties/characteristics

Answer 18

Tough, corrosion resistant, can be cast.
90 per cent copper, 10 per cent tin.

Question 19

Brass: Properties/characteristics

Answer 19

Corrosion resistant, good electrical and thermal conductor, low melting point, casts well.

65 per cent copper, 35 per cent zinc.

Question 20

Duralumin: Properties/characteristics

Answer 20

Equivalent strength properties to low carbon steel but more lightweight, ductile, becomes harder as it is worked.

4 per cent copper, 1 per cent magnesium and manganese.

Question 21

Pewter: Properties/characteristics

Answer 21

Malleable, low melting point, casts well.

85-99 per cent tin, with the remainder consisting of copper and antimony.

Question 22

Aluminium uses

Answer 22

Drinks cans, aircraft bodies, bike frames, window frames, packaging, baking foil

Question 23

Copper uses

Answer 23

Electrical wire, printed electrical circuits, water pipes, hot water tanks, central heating pipes

Question 24

Zinc uses

Answer 24

Galvanising steel as a protective coating for dustbins, buckets, farm gates; intricate die castings

Question 25

Silver uses

Answer 25

Jewellery, cutlery, used for plating other materials

Question 26

Gold uses

Answer 26

Jewellery, electronic components, connectors, switch components

Question 27

Titanium uses

Answer 27

Joint replacements, tooth implants, spectacle frames, aircraft, spacecraft, golf clubs, bicycles, ship hulls

Question 28

Tin uses

Answer 28

Soft solder, coatings for food cans, rarely used in pure form

Question 29

Low carbon steel uses

Answer 29

Nuts, bolts, washers, screws, car bodies, outer panels for white goods

Question 30

Medium carbon steel uses

Answer 30

Springs, gardening tools (trowels, forks)

Question 31

Cast iron uses

Answer 31

Disc brakes, machine parts, engine blocks; sheet furniture, for example decorative bollards, bins and lighting

Question 32

Stainless steel uses

Answer 32

Sinks, kitchenware, cutlery

Question 33

High speed steel uses

Answer 33

Tool blades, drill bits, milling cutters, router bits

Question 34

Die steel uses

Answer 34

Blanking punches and dies, extruder dies, fine press tools

Question 35

Bronze uses

Answer 35

Statues, coins, bearings

Question 36

Brass uses

Answer 36

Boats fittings, door furniture, cast valves and taps, ornaments

Question 37

Duralumin uses

Answer 37

Aircraft parts, vehicle parts

Question 38

Pewter uses

Answer 38

Tankards, flasks, goblets, photo frames, decorative items, candlesticks, sports trophies