The Angle Iron round flange profile is as an integral part of light steel frame is roll-formed from Hi-Tensile GI steel. The round Steel angel flange is widely adopted in Building construction Industry – commercial and residential. The normal thickness of L angle can be from 1-5mm. If you are interesting in this machine, pls feel free to contact with us! Jv@jack-aiva.com / Whatsapp _86 13915206868