I-beam yafi raba zuwa talakawa I-beam, haske I-beam da fadi da flange I-bim.Dangane da girman rabo na flange zuwa gidan yanar gizo, an raba shi zuwa fadi, matsakaici da kunkuntar flange I-beams.Bayanan na farko biyu shine 10-60, wato, tsayin daka dace shine 10 cm-60 cm.A tsayi ɗaya, hasken I-beam yana da kunkuntar flange, yanar gizo na bakin ciki da nauyi mai nauyi.Faɗin flange I-beam, wanda kuma aka sani da H-beam, yana da alaƙa da ƙafafu guda biyu masu kama da juna kuma babu karkata a gefen ƙafafu na ciki.Nasa ne na sashin tattalin arzikin karfe kuma ana birgima a kan manyan injinan duniya guda huɗu, don haka ana kiransa "universal I-beam".I-beam na yau da kullun da haske I-beam sun kafa matakan ƙasa.