H beams yogua los ntawm cov hlau dov, thiab lawv tau txais lawv lub npe vim hais tias tus ntoo khaub lig seem zoo li lub peev H. Muab piv rau ib qho I beam, H beam muaj cov flanges ntev dua thiab lub web tuab dua. Cov flanges ntawm kuv beam yog tapered.
