I beam / I-beam / I beeam steel 1> Material : SS 400, ST37-2 , A36, S235 ... , Q235, Q345 etc. 2> Length : 6 meter, 9 meter I beam / I-beam / I beeam steel1> Material : SS 400, ST37-2 , A36, S235 ... > Chinese Standard size : 100*68*4.5mm-630*180*17mm4> European Standard size : 80*46*3.8mm-600*220*12mm5>Packing ... .434.4633201309.51552.717Grade : Q195-235 ,Q235B Length : 6-12m i beams weight