I-H-section steel iwuhlobo lwephrofayili yesigaba sezomnotho esebenza kahle kakhulu enokusabalalisa kwesigaba okulungiselelwe kakhudlwana kanye nesilinganiso esizwakalayo sesisindo samandla.Iqanjwe ngoba ingxenye yayo iyafana nohlamvu lwesiNgisi oluthi “H”.Ngenxa yokuthi zonke izingxenye zensimbi ye-H-section zihlelwe ngama-engeli alungile, insimbi ye-H-section inezinzuzo zokumelana nokugoba okuqinile, ukwakhiwa okulula, ukonga izindleko kanye nesisindo esilula sesakhiwo kuzo zonke izinkomba, futhi isetshenziswe kabanzi.