Engineering Materials
Which of the following display properties similar to that of steel?

Whiteheart cast iron
Both (A) and (B)
None of these
Blackheart cast iron

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Engineering Materials
Tungsten in steel

Improves cutting ability and reduces hardenability
Gives ductility, toughness, tensile strength and anti-corrosion properties
Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
Improves wear resistance, cutting ability and toughness

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