... shape section, the specification is usually expressed by web height (h)* flange width (b)* web thickness (d). I --Beam1) Size: 10 ... structure, bridge,blackets,mechanism and so on. specifcation necessary for inquiries: product name, standard performed,materials, specifcation, quantity, ... handling time,measure way.Size: web heigth 100-630mm, flange width:68-180mm,web thickness:4.5-17mm or others ...