... /T-11263-2005,JIS G3101 hot rolled I beamsDescription: One kind of profile bars with "I" shape section, the specification is usually ... , specifcation, quantity, length, handling time,measure way.Size: Middle heigth 100-630mm, flange width:68-180mm,middle thickness:4.5-17mm ... more information,please contact directly without any hestation. hot rolled I beams