Mild steel I Beam Grade:Q235B,Q345,SS400,A36,etc. Size: 100* ... supplier inTangshan,China,mainly focur on : 1) H beams and I beam,2).Angel steel and channel steel,3).IPE and ... so on. And we can supply Boron added mild steel i beam also at very good price. If you are ... long business cooperation. Please see the specification details as below:I-beam(h,b,d)GradehbdSection area CM2Theoreticai Weight kg/m400A ...