Zomangamanga ASTM A283 chitsulo I mtengo

I-beam, yomwe imadziwikanso kuti H-beam (pazanja zonse, UC), w-beam (ya "wide flange"), mtengo wapadziko lonse lapansi (UB), cholumikizira chitsulo (RSJ), kapena double-T ( makamaka mu Chipolishi, Chibugariya, Chisipanishi, Chitaliyana ndi Chijeremani), ndi mtengo wokhala ndi gawo la I kapena H-woboola pakati. Zinthu zopingasa za I ndi ma flanges, ndipo choyimira ndi "web". Mitengo ya I nthawi zambiri imapangidwa ndi chitsulo chokhazikika ndipo imagwiritsidwa ntchito pomanga ndi zomangamanga.