I - beam or steel beams, is a rectangular steel I - section - beams normal I - beams and light I - beams, H - shaped steel Thr

I-steel

I - beam or steel beams, is a rectangular steel I - section

- beams normal I - beams and light I - beams, H - shaped steel Three

beams are widely used in a variety of structures, bridges, vehicles, fixtures, machinery, and so on

I-steel