Pipes for bicycle frames are made of Engineering Materials Mcqs July 21, 2019 BILAL KHATTAK0 A.Hot rolled steel B.Cold rolled steel C.Cast iron D.Stainless steel E.Carbon chrome steel Related Mcqs: Steel balls for ball bearings are generally made of Lead is used for joining pipes made of Preheating of material to be welded is necessary in case of Balls for a ball bearing are made of Dies for drawing are generally made of Rails for railway track are made of Which material has the best damping capacity The percentage of carbon is the least in High ductility wires are made on Iron alloyed with carbon more than 2% is called