Хятад Их Британи АНУ-ын стандарт халуун цувисан H дам нурууны …
UK US Standard Hot Rolled H Beam Steel In Narrow Flange Universal Beams UB Universal Columns UC Hot-rolled H-beam steel has wide flanges and large lateral rigidity; it has strong bending resistance, about 5-10% than I-beam steel. The two flanges are parallel to each other, and the structure is co...