Q450NQR1 H-beam is an economical cross-section steel optimized and developed from I-beam with better mechanical properties. Especially the cross-section is the same as the English letter "H".
Q450NQR1 H-beams are divided into hot-rolled Q450NQR1 H-beams and welded Q450NQR1 H-beams (H). In steel structures application: Q450NQR1H-beams are used as steel frame columns and used as frame beams in frame structures under dynamic loads; for example: equipment Platform HN is the ratio of Q450NQR1H section steel height to flange width greater than or equal.
Q450NQR1 H-shaped steel has economical and reasonable cross-sectional shape and good mechanical properties. During rolling, the extension of each point on the cross-section is relatively uniform and the internal stress is small. Compared with ordinary I-beams, Q450NQR1 H-beam has the advantages of large section modulus, light weight, and metal saving. The building structure is reduced by 30-40%; because the legs are parallel inside and outside, and the ends of the legs are at right angles, they can be assembled into components, which can save welding and riveting work by 25%. Q450NQR1 H-beam steel is often used in large buildings (such as factory buildings, high-rise buildings, etc.) that require large cutting capacity and good cross-sectional stability, as well as bridges, ships, lifting and transporting machinery, equipment foundations, supports, foundation piles.
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