Question

The percentage of carbon is the least in :

A

White cast iron

B

Grey cast iron

C

Wrought iron

D

Steel

Medium
Solution
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Correct option is D)

1: wrought iron carbon content 0.05-0.25%
2 : white and grey iron is the type of cast iron which contain 2.14-6.67% carbon. 
3: steel contain 0.008-2.14% carbon So D. Steel has least Carbon %

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