Steel is an integral part of steel structure engineering, steel structure below shenbon for everyone to introduce steel: hot rolled ordinary beam, also known as the cross section of steel beam, is an H-shaped steel strip. Hot rolled I beam can be divided into ordinary I-beam and light i-beam. Universal I-beam Main uses: ordinary beams are widely used in various building structures, bridges, vehicles, support and machinery, etc.. Light I-beam Ordinary I-beam and the light of the wing of the reasons for the gradual thinning of the root edge, there is a certain angle. The hot light I-beam compared with ordinary I-beam, waist high and wide leg. Under the condition of ensuring the bearing capacity, the light beam has better stability and saves the metal than the ordinary i-beam. Main purposes: the same as ordinary I-beam, mainly used in factories, bridges and other large structural parts and ship manufacturing, etc..