Various Standard and non-standard specifications are both available as customers request.
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Various Standard and non-standard specifications are both available as customers request
23
2022
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03
Classification, use and material of channel steel
Author:
Channel steel is divided into ordinary channel steel and light channel steel. According to the shape, it can be divided into 4 types: cold-formed equilateral channel steel, cold-formed unequal-sided channel steel, cold-formed inner curled channel steel, and cold-formed outer curled channel steel.
Channel 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 a section steel with a complex cross-section. Channel steel is mainly used in building structure, curtain wall engineering, mechanical equipment and vehicle manufacturing.
In use, it is required to have good welding, riveting performance and comprehensive mechanical properties. The raw material billets for channel steel production are carbon-structured steel or low-alloy steel billets with a carbon content not exceeding 0.25%.
The specifications of channel steel are mainly expressed by dimensions such as height (h), leg width (b), and waist thickness (d).
At the same height, light channel steel has narrower legs, thinner waist and lighter weight than ordinary channel steel. No. 18-40 is a large channel, and No. 5-16 is a medium channel.
Imported channel steel indicates the actual size and relevant standards. The import and export order of channel steel is generally based on the specifications required in use after determining the corresponding carbon steel (or low alloy steel) steel grade. Apart from the specification number, there is no specific composition and performance series for channel steel.
The delivery length of channel steel is divided into fixed length and double length, and the tolerance value is specified in the corresponding standard. The length selection range of domestic channel steel is divided into 5-, 5- and 6- according to different specifications. The length selection range of imported channel steel is generally 6-.
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