I-2205 Duplex Round Bar ilungele kahle ingcindezi ephezulu
I-2507 inokumelana okuphezulu ekuqhekekeni kwengcindezelo kokugqwala (ikakhulukazi ukuqhekeka kokugqwayiza kwe-chloride ukuqhekeka), ukufakwa kwamandla okuphezulu, amandla aphezulu, nokuguguleka. Empeleni, futhi ama-alloys ama-duplex ayindlela yokuyekethisa.
I-Flange iyisigaxa esinqunyelwe, i-lip noma i-rim, kungaba yangaphandle noma yangaphakathi, esebenza ukukhulisa amandla (njenge-flange yogongolo lwensimbi efana ne-i-beam noma i-t-beam); Ukuthambekela okulula noma ngokuzinza futhi uqondise ukunyakaza komshini noma izingxenye zawo (njenge-flange yangaphakathi yemoto yesitimela noma isondo le-tram, eligcina amasondo asuka ojabha). Igama elithi "i-flange" lisetshenziselwa futhi uhlobo lwethuluzi olusetshenziselwa ukwakha ama-flanges.