I beam / I-beam / I beeam steel 1.Material : SS 400, ST37-2 , A36, S235 JRG1, Q235, Q345 etc. 2.Length : 6 meter, 9 ... beeam steel1> Material : SS 400, ST37-2 , A36, S235 JRG1, Q235, Q345 etc.2> Length : 6 meter, 9 meter ,12 meter 3 ... .4633201309.51552.717Grade : Q195-235 ,Q235B Length : 6-12m Sell high quality hot rolled steel I beam JIS/GB standard