... Q345B,SS400 Standard:GB/T-11263-2005,JIS G3101 wide range beams Description: One kind of profile bars with ... specification is usually expressed by web height (h)* flange width (b)* web thickness (d).application: Can be widely ... ,measure way.Size: web heigth 100-630mm, flange width:68-180mm,web thickness:4.5-17mm or others. ... information,please contact directly without any hestation. Wide flange beams