I-beam e arotsoe haholo-holo ka I-beam e tloaelehileng, I-beam e khanyang le I-beam e pharaletseng ea flange.Ho ea ka karo-karolelano ea bophahamo ba flange ho web, e arotsoe ka maballo a I-flange a pharaletseng, a mahareng le a moqotetsane.Litlhaloso tsa tse peli tsa pele ke 10-60, ke hore, bophahamo bo lekanang ke 10 cm-60 cm.Ka bophahamo bo tšoanang, khanya ea I-beam e na le flange e moqotetsane, websaete e tšesaane le boima bo bobebe.Wide flange I-beam, eo hape e tsejoang e le H-beam, e tšoauoa ka maoto a mabeli a bapileng 'me ha a na tšekamelo ka lehlakoreng le ka hare la maoto.Ke ea tšepe ea karolo ea moruo 'me e phuthoa holim'a leloala le phahameng la bokahohleng, kahoo e boetse e bitsoa "beam ea bokahohleng".Tloaelehileng I-beam le leseli I-beam li thehile litekanyetso tsa naha.