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Channel steel is divided into ordinary channel steel and light channel steel. The specifications of hot-rolled ordinary channel steel are 5-40#. The specifications of hot-rolled modified channel steel supplied by agreement between the supplier and the buyer are 6.5-30#. Channel steel is mainly used in building structures, vehicle manufacturing, other industrial structures and fixed panels. Channel steel is often used in conjunction with I-beams.
T-shaped steel is directly split from H-shaped steel. The usage standard is the same as H-shaped steel (GB/T11263-2017). It is an ideal material to replace the welding of double angle steel. It has the advantages of strong bending resistance, simple construction, cost saving and light structural weight.
Whether I-shaped steel is ordinary or light, due to the relatively high and narrow cross-sectional dimensions, the moment of inertia of the two main axes of the cross-section is quite different, so it can only be directly used for bending in the plane of its web.
H-shaped steel is an economical cross-section and high-efficiency profile with more optimized cross-sectional area distribution and more reasonable strength-to-weight ratio. It is named because its cross-section is the same as the English letter "H".
Specific drawings will differ and change. Some are like a "#" shape, with all sides coming out, some are like a "mouth", and of course there are also semi-sealed ones. Therefore, you must have drawings when processing box columns, and some also need to add some ribs and the like inside the columns.
The beam used to specifically load the crane inside the factory is called a crane beam. It is generally installed on the upper part of the factory building and functions together with the steel structure of the factory building.
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