... 235B,SS400,etc. Product Attributes Related attributes of I-beam: other valid standards:JIS EN DINStandard:GB/T700-1998Weight ... , EN, GB Detailed Description Detailed introduction to I-beam: I beam,.also called girder,is one kind of profiled bars which ... large-scaled constructions-workshops,bridges,ships,elevating machinery.equipment founation,support,foundation pile and so on. We can supply various ...