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What is Channel Bar Steel?

What is Channel Bar Steel?

Channel bar steel is a long strip of steel with a groove-shaped cross-section. It is a carbon structural steel for construction and machinery. It is section steel with a complex section and its cross-sectional shape is a groove. Channel bar steel is mainly used in building structure, curtain wall engineering, mechanical equipment, and vehicle manufacturing.


1. Channel steel classification:


Channel steel is divided into ordinary channel steel and light channel steel. The specification of hot rolled ordinary channel steel is 5-40#. The specifications of hot-rolled flexible channel steel supplied by agreement between the supply and demand parties are 6.5-30#. Channel steel is mainly used in building structures, vehicle manufacturing, and other industrial structures. Channel steel is often used in conjunction with I-beam.


1) Hot rolled ordinary channel steel (GB707-88)


Main use: Ordinary channel steel is mainly used in building structures, vehicle manufacturing, and other industrial structures, and is often used in conjunction with I-beams.


2) Hot rolled light channel steel (YB164-63)


Hot rolled light channel steel is a kind of steel with wide legs and thin walls, which has a better economic effect than ordinary hot rolled channel steel. Its specifications range from 5-40#. In 1966, the smelting standard specified specifications range from 10-40#.


Main application: For construction and steel frame structure.


2. The expression method of the model and specification of channel steel


Expressed in millimeters of waist height (h) * leg width (b) * waist thickness (d), such as 120×53×5 channel steel, which is waist height 120mm, round steel, and a, b, c, etc. must be added to the right of the model to make a distinction. Usually, channel steel is expressed in centimeters of waist height, for example, the channel steel above is called 12# channel steel. The specification range of channel steel is 5-40#. Including and marking requirements shall be implemented in accordance with GB2101-80.

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