I-beam igabanijwemo cyane I-beam, urumuri I-beam na flange yagutse I-beam.Ukurikije igipimo cy'uburebure bwa flange kurubuga, igabanijwemo ubugari, buringaniye kandi bugufi flange I-beam.Ibisobanuro bya bibiri bya mbere ni 10-60, ni ukuvuga uburebure bujyanye ni cm 10-60 cm.Ku burebure bumwe, urumuri I-beam rufite urumuri ruto, urubuga ruto n'uburemere bworoshye.Umugozi mugari I-beam, uzwi kandi ku izina rya H-beam, urangwa n'amaguru abiri abangikanye kandi nta mpengamiro ku ruhande rw'imbere rw'amaguru.Nibice byicyiciro cyubukungu kandi bizunguruka ku ruganda runini rwo hejuru, bityo rwitwa kandi "I-beam rusange".Ibisanzwe I-beam n'umucyo I-beam byashizeho ibipimo byigihugu.