Engineering Materials
Nickel in steel

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

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
A coarse grained steel

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

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Steel contains

Alloying elements like chromium, tungsten nickel and copper
Elements like phosphorus, sulphur and silicon in varying quantities
50% or more iron
80% or more iron

ANSWER DOWNLOAD EXAMIANS APP