1.Material: Q235, Q345, SS400, or the euqivalent. 2.Standard: GB, ASTM, JIS, EN, DIN 3.Treatment: hot-rolled 4.Length:6-12m We can supply various sizes of I beam on the basis of different quality standard.1.Material: Q235, Q345, SS400, or the euqivalent.2.Standard: GB, ASTM, JIS, EN, DIN3.Treatment: hot-rolled4.Length:6-12m or As requested5 packing :export standard packing:in bundles packed by ...