Flat bar bivuga ibyuma bifite ubugari bwa 12-300mm, ubugari bwa 4-60mm, igice cyambukiranya urukiramende kandi impande zombi.Flat bar ibyuma birashobora kuba ibyuma birangiye, cyangwa birashobora gukoreshwa nkibikoresho byo gusudira hamwe nibisate bito kubisahani byoroheje.
Bisanzwe: AiSi, ASTM, BS DIN, GB, JIS
Ubugari: Byihariye
Uburebure: Bwihariye
Ubuhanga: Bishyushye