... inTangshan,China,mainly focur on : 1) H beams and I beam,2).Angel steel and channel steel,3).IPE and ... long business cooperation. Please see the specification details as below:I-beam(h,b,d)GradehbdSection area CM2Theoreticai Weight kg/m400A ... 5135.435106.316560B*168*14.556b56016814.5146.635115.108560C*170*16.556c56017016.5157.835123.900630A*176*1363a63017613154.658121.407630B*178*1563b63017815167 ...