Engineering Materials
A coarse grained steel

Is less tough and has a less tendency to distort during heat treatment
Is more ductile and has a less tendency to distort during heat treatment
Is less tough and has a greater tendency to distort during heat treatment
Is more ductile and has a greater tendency to distort during heat treatment

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Engineering Materials
Cobalt in steel

Improves wear resistance, cutting ability and toughness
Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties
Gives ductility, toughness, tensile strength and anti corrosion property
Improves cutting ability and reduce hardenability

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Engineering Materials
Carbon steel is

Extensively used for making cutting tools
An alloy of iron and carbon with varying quantities of phosphorus and sulphur
Made by adding carbon in steel
Refined from cast iron

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