U Profile Used for building structure, vehicle manufacturing and other industrial structure and often used with i beam. StandardAISI, ASTM, BS, DIN, GB, JIS, etcGradeQ195, Q215, Q235, Q345, etc Model5#-40#Depth50-400mmFlange Width37-104mmWeb Thickness4.5-14.5mm Weight5.438-71.488kg/mLength5-12m Classification:a.) hot rolled u profile (ordinary channel & light channel)b.) cold-formed u ...