I-IPE beam, eyaziwa ngokuba yi-I-beam okanye i-universal beam, yintsimbi ende ene-cross-section efana neleta "I". Isetyenziselwa ikakhulu kwizicelo zobunjineli bokwakha kunye nezakhiwo ukubonelela ngenkxaso kunye nokuzinza kwizakhiwo kunye nezinye izakhiwo. Imiqadi ye-IPE yenzelwe ukuxhathisa ukugoba kunye nokuxhasa imithwalo enzima, iyenze ibe yinto enokukhetha kuyo kwiiprojekthi ezahlukeneyo zokwakha.