Classification and advantages of hot rolling H-shaped steel

Classification and advantages of hot rolling H-shaped steel 1) The expression of hot-rolled H-shaped steel is divided into three categories of width flange H-steel (HK), narrow wing edge H-steel (Hz) and H-steel pile (hu). Its representation is: height H × width B × web thickness T1 × wing thickness T2, such as H-type steel Q235, SS400 200 × 200 × 8 × 12 represented high 200mm wide 200mm web thickness 8mm, flap thickness 12mm Wide wing edge H-steel, its grand number is Q235 or SS400. 2) Advantage of hot rolled H-shaped steel H-shaped steel is a new type of economic building steel. The H-shaped steel cross-sectional shape is reasonable, the mechanical properties are good, and the cross section is more uniform, the internal stress is small, compared with ordinary system, with large section modulus, light weight, save metal, can make the building Structure is reduced by 30 ~ 40%; there is a straight-line, the leg end is a right angle, and the assembly is combined into a component, which can save welding, and the riveting workload is 25%. Commonly used in large-scale buildings (such as plant, high-rise buildings, etc.), as well as bridges, ships, lifting transportation machinery, equipment foundations, brackets, basic piles, etc. Technology area E Mount Announcement Launch New RASPBERRY PI 3 B + Plate Apple announces a list of 200 suppliers, Taiwan is doubled (with all manufacturer's list) Basic processes for wave welding operation processes and welding Talking about Silicon Photonics Chip Development and application of ALD technology semiconductor process

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