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White cast iron
Answer & Solution
Correct Answer:
Option
B
White cast iron Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable.
White cast iron is a cast iron without any alloy addition and with low C and Si content such that the structure is hard brittle iron carbide with no free graphite.
A fast cooling rate prevents the precipitation of C as graphite.
White cast iron is a cast iron without any alloy addition and with low C and Si content such that the structure is hard brittle iron carbide with no free graphite.
A fast cooling rate prevents the precipitation of C as graphite.
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