Sets out composition ,rolling tolerances and identification of steel for the springs.Gives details of material,compression test and workmanship for springs made from hot rolled steel bars to section 1.Gives details of composition ,grinding tolerance and identification for steel for helical springs.Gives details of material,compression test,workmanship and tolerances for helical springs made from round ground steel bars to section 3.Includes technique for working out number of helical coils.