Characteristics and Uses of H-beams
H-beams have the following characteristics:
The flanges of H-beams are parallel or nearly parallel on the inner and outer sides, and the ends of the flanges are at right angles, hence the name parallel flange I-beam. The web thickness of H-beams is smaller than that of ordinary I-beams of the same height, while the flange width is larger than that of ordinary I-beams of the same height, thus also known as wide flange I-beams. Due to their shape, the section modulus, moment of inertia, and corresponding strength of H-beams are significantly better than those of ordinary I-beams of the same weight. They demonstrate superior performance in various metal structures, whether bearing bending moments, pressure loads, or eccentric loads, greatly improving load-bearing capacity compared to ordinary I-beams and saving 10% to 40% of metal. H-beams have wide flanges, thin webs, various specifications, and flexible use, saving 15% to 20% of metal in various truss structures. Because their flanges are parallel on the inner and outer sides and the ends are at right angles, they are easy to assemble into various components, thus saving about 25% of welding and riveting workload, significantly accelerating construction speed and shortening project duration.
H-beams are widely used, mainly for:
Various civil and industrial building structures; various large-span industrial plants and modern high-rise buildings, especially in areas with frequent seismic activity and under high-temperature working conditions; large bridges requiring high load capacity, good section stability, and large spans; heavy equipment; highways; ship frames; mine support; foundation treatment and dam projects; various machine components.
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