We can make I-BEAM (structure steel beam) with many kinds of size and quality to satisy you. I-BEAMThe materials are SS400, Q235, or the equivalent,ect.The length is from 6m to 12m, the height is from 10mm to 300mm, the width is from 68mm to 128mm, the thickness is from 4.5mm to 11mm.You can feel free to require us manufacture the goods specially I-BEAM