I-beam imagawika kwambiri kukhala I-beam wamba, I-beam yopepuka ndi flange I-beam.Malinga ndi kutalika kwa flange ndi ukonde, imagawidwa kukhala yotakata, yapakatikati ndi yopapatiza ya flange I-mitanda.Zolemba ziwiri zoyambirira ndi 10-60, ndiye kuti, kutalika kwake ndi 10 cm-60 cm.Pa msinkhu womwewo, kuwala kwa I-mtengo kumakhala ndi flange yopapatiza, ukonde wochepa thupi ndi kulemera kochepa.Wide flange I-beam, yomwe imadziwikanso kuti H-beam, imadziwika ndi miyendo iwiri yofananira ndipo palibe kupendekera mkati mwamiyendo.Ndiwo gawo lachuma zitsulo ndipo amakulungidwa pa mphero zinayi zapamwamba zapadziko lonse lapansi, motero amatchedwanso "universal I-beam".Wamba I-beam ndi kuwala I-mtengo zapanga miyezo ya dziko.