The technology of I-beams
I-beams, also known as steel beams, are long strips of steel with I-shaped sections. According to the processing process, I-steel can also be divided into hot-rolled I-steel and welded I-steel.
Hot rolling means that the I-steel is rolled in a heated state, so the free torsional rigidity is higher than the welded section, so the torsional resistance of the hot-rolled section is better than that of the welded section. Rolled steel does not allow local buckling of the section.
Hot rolled I-steel: wide flange, high lateral stiffness; The bending resistance is strong, about 5-10% higher than the I-steel, the two sides of the flange are parallel, and the structure is convenient.
Welding I-steel: high-frequency welding of I-steel, the use of high-frequency current to melt the metal part welding, without welding wire and flux. High-speed continuous production, high output, easy to realize mechanization, automation. The same section has excellent cross-section performance.
Conclusion: Welded I-beam steel can be processed, designed and combined with engineering, and can be manufactured with special specifications to meet the actual needs of special engineering. Carrying capacity much higher than the same unit weight of hot rolled steel.
Hot rolled I-steel: scientific and reasonable structure, good plasticity and flexibility, high structural stability. High, convenient installation, easy quality, can be built real house production plant, bridge production plant, industrial plant production plant, etc. The development of steel structure has created and driven the development of hundreds of new industries.
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