which of the following sequence of carbon content is correct?
a)steel > cast iron > wrought iron b)steel > pig iron >wrought iron
c)steel > wrought iron > cast iron
d)wrought iron > steel > cast iron
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Answer:
d) wrought iron>steel> cast iron
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Answer:
Wrought iron is an iron alloy with a very low carbon content (less than 0.08%) in contrast to that of cast iron (2.1% to 4%). It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight), which gives it a "grain" resembling wood that is visible when it is etched or bent to the point of failure. Wrought iron is tough, malleable, ductile, corrosion resistant, and easily welded.
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