Stock forms of metal Flashcards
1
Q
Give the 5 stock forms of metal
A
sheet, plate, bar, tube form, structural angular (H beams, L beams)
2
Q
In what form is metal mined from the ground?
A
ore
3
Q
What is the most common ore?
A
bauxite (aluminium is made from)
4
Q
How is the raw material extracted from the ore?
A
combination of crushing, smelting or heating with the addition of chemicals and huge amounts of electrical energy
5
Q
Why is metal easily recycled?
A
low melt point
6
Q
What metal is made from these ores?
chalcopyrite
cassiterite
zinc blende
A
chalcopyrite= copper
cassiterite= tin
zinc blende= zinc
7
Q
What is a ferrous metal?
A
metal containing mostly iron and carbon
8
Q
What is a non-ferrous metal?
A
metal that does not contain iron
9
Q
What is an alloy
A
metal made of two or more metals
