H - karfe karfe sabon ginin tattalin arziki ne.Siffar sashe na katako na H yana da tattalin arziki da ma'ana, kuma kayan aikin injiniya suna da kyau.Lokacin mirgina, kowane batu a kan sashin yana ƙarawa daidai kuma damuwa na ciki yana da ƙananan.Idan aka kwatanta da talakawa I-beam, H katako yana da abũbuwan amfãni daga babban sashe modules, haske nauyi da karfe ceton, wanda zai iya rage ginin ginin da 30-40%.Kuma saboda ƙafafunsa suna layi ɗaya a ciki da waje, ƙarshen ƙafar ƙafar ita ce madaidaiciyar kusurwa, haɗuwa da haɗuwa cikin abubuwan da aka gyara, na iya adana walda, aikin riveting har zuwa 25%.Ana amfani da shi sau da yawa a cikin manyan gine-ginen da ke buƙatar babban ƙarfin ɗaukar nauyi da kwanciyar hankali mai kyau (kamar gine-ginen masana'antu, gine-gine masu tsayi, da dai sauransu), da kuma gadoji, jiragen ruwa, injin ɗagawa, kafuwar kayan aiki, sashi, tulin tushe, da dai sauransu.