tashyracrawford1 tashyracrawford1

31-03-2020
History

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How was iron changed to steel ?

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taracurley66 taracurley66

31-03-2020

Answer:

Heated and left to melt then harden again

Explanation:

Or it was smashed I think d 1st 1

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dayana82 dayana82

31-03-2020

Answer:

Iron is changed into steel by blowing oxygen through the molten metal from the Blast Furnace. This oxidises the impurities in the molten metal. Carbon is a major impurity in Blast Furnace metal. Explain how blowing oxygen through the molten metal helps to remove the carbon.

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