I-beam steel, I beam bar, I beam iron, steel I beam, hot rolled I beam steel, hot rolled I beam iron, hot rolled I-beam bar We supply quality I-beam with reasonable price. Including Chinese standard, European standard and so on.Material: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc. Length: 6meter, 9meter, 12meterChinese standard size: 100*68*4.5mm -630*180*17mmEuropean standard size: 80*46*3.8mm ...