We supply high quality I Beam with reasonable price. Material: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc. 6M,9M,12M.. I Beam steelMaterial: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc. Length: 6meter, 9meter, 12meter Chinese standard size: 100*68*4.5mm -630*180*17mm European standard size: 80*46*3.8mm-600*220*12mm I-beam steel, I beam bar, I beam iron, steel I beam, Iot rolled I beam steel, ...