Wide flange beams Grade:Q235,Q345B,SS400 Standard:GB/T-11263- ... section, the specification is usually expressed by web height (h)* flange width (b)* web thickness (d).application: Can be widely used ... length, handling time,measure way.Size: web heigth 100-630mm, flange width:68-180mm,web thickness:4.5-17mm or others ... For more information,please contact directly without any hestation. Wide flange beams