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Iron can be extracted from a naturally occurring substance called haematite - Edexcel - GCSE Chemistry - Question 6 - 2015 - Paper 1
Question 6
Iron can be extracted from a naturally occurring substance called haematite. State the name given to the naturally occurring substances from which metals are extrac... show full transcript
Worked Solution & Example Answer:Iron can be extracted from a naturally occurring substance called haematite - Edexcel - GCSE Chemistry - Question 6 - 2015 - Paper 1
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Use the information from the table to suggest reasons why iron is converted to these alloy steels.
Answer
Iron is converted to alloy steels for several reasons:
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Strength: The alloy steels have very high relative strength compared to iron, making them suitable for applications requiring durability and resistance to deformation.
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Cost: Although high speed steel and stainless steel have a very high relative cost per tonne, their enhanced properties may justify their use, particularly in specialized applications where strength and resistance to rusting are critical. Iron's low cost is often outweighed by its lower performance properties.
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Resistance to Rusting: Alloy steels exhibit resistance to rusting, ensuring longevity and reduced maintenance costs in environments prone to corrosion.