M.S I Beam Grade:Q235B,Q345,SS400,A36,etc. Size: 100 ... Structural steel supplier inTangshan,China,mainly focur on : 1)M.S H beams and M.S I beam,2).Angel steel and channel steel,3 ... . Please see the specification details as below:I-beam(h,b,d)GradehbdSection area CM2Theoreticai Weight kg/m400A*142*10 ... .858141.189 Contact : Miss Jenny LauTel 0086- 315-2975215 M.P. 0086-15232694239Fax 0086-315-2975214