Tempering is a heat treatment that is performed on a Austeni

Tempering is a heat treatment that is performed on: a. Austenite b. Cementite O c. Pearlite d. Martensite e None of the above f Ferrite

tempering heat treatment is done over the steel to decrease brittleness and increase toughness, sheat strength and ductility. it is done over MARTENSITE and PEARLITE of steel.