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H-shaped steel is a kind of economic section high-efficiency profile with more optimized cross-sectional area distribution and more reasonable strength weight ratio, which is named because its cross-section is the same as the English letter "H".
Because all parts of H-section steel are arranged at right angles, H-section steel has the advantages of strong bending resistance, simple construction, cost saving and light structural weight in all directions, and has been widely used.
H-beam can be produced by welding or rolling. Welding H-beam has the disadvantages of large metal consumption, difficult to ensure uniform product performance, limited size and specification, etc. Therefore, H-beam is mainly produced by rolling.
1. The inner and outer sides of the flange of H-shaped steel are parallel or close to parallel, and the end of the flange is at right angles.
2. When used in metal structures with different requirements, it shows its superior performance in terms of bending moment, pressure load and eccentric load. Compared with ordinary I-beam, it can greatly improve the bearing capacity and save metal by 10% - 40%.
3. The flange of H-shaped steel is wide, the web is thin, there are many specifications, and the use is flexible. When used in various truss structures, it can save 15% - 20% of metal.
4. Because the inner and outer sides of the flange are parallel, and the edge end is at right angles, it is easy to assemble and assemble into various components, which can save about 25% of the welding and riveting workload, greatly accelerate the construction speed of the project and shorten the construction period
Various civil and industrial building structures; Various large-span industrial plants and modern high-rise buildings, especially in areas with frequent seismic activities and under high temperature working conditions; Large bridges with large bearing capacity, good section stability and large span are required; Heavy equipment; expressway; Ship skeleton; Mine support; Foundation treatment and dam works; Various machine components.
Henan Rarlong Steel Co., Ltd.
Customzied hot rolled and cold drawn special steel profile complex section steel
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