Copper is an element with excellent electrical conductivity and is therefore especially used in telecommunications and electrical applications.
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15
Describe iron.
It’s malleable, ductile, magnetic and a good conductor of heat.
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15
What is aluminium extracted from?
Bauxite
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15
What are two broad categories for metals?
Ferrous and non-ferrous
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For what industries are metals fit?
Automotive and metal working
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10
What's the most common metal?
Iron
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What are steel's characteristics?
Its characteristics change according to the percentage of carbon: mild steel (very high tensile strength), medium carbon steel and high carbon steel (very hard)
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15
What's steel?
It's an alloy containing iron and other elements (up to 3%), including carbon.
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15
For how much metals account in the mass of the entire planet?
About 24%
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15
What are cast iron's characteristics?
It is hard and brittle and is specifically used for low-stress components (such as engine blocks).
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What's cast iron?
Cast Iron is an alloy of iron (up to 98%) and carbon (2% to 6%)
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15
Describe non-ferrous metals.
Non-ferrous metals and alloys do not contain iron and are required for components that need to be lightweight, non-magnetic and heat resistant.
