What Are The Classifications Of Channel Steel

Channel steel is a very common building material and is often used in the construction of high floors. So what is the material of channel steel? The section of channel steel is a groove type, which is a kind of structural steel used in construction and machinery. It is a more complex section steel, mainly used for the column, beam and ladder of steel structure. What are the classifications of channel steel? Channel steel is divided into ordinary channel steel and light channel steel, according to the shape can be divided into cold-formed equal channel steel, cold-formed unequal channel steel, cold-formed inner wound channel steel, cold-formed outer wound channel steel.
First, what is the material of channel steel
Channel steel is a long strip of steel with a fluted section. It is a carbon structural steel for construction and machinery. It is a shaped steel with a complex section and its section shape is a fluted one. Channel steel is mainly used in building structure, vehicle manufacturing, other industrial structures and fixed cabinets, etc. Channel steel is often used with I-steel.
Second, what are the classifications of channel steel
Channel steel is divided into ordinary channel steel and light channel steel, both of which have the same appearance. The difference is that the lightweight waist thickness and leg thickness are thinner than ordinary channel steel, and the unit weight is lighter.
Channel steel can be divided into four types according to the shape: cold-formed equilateral channel steel, cold-formed non-equilateral channel steel, cold-formed internally wound channel steel, cold-formed externally wound channel steel.
Third, channel steel specification setting
The specifications of the channel steel are mainly expressed by the number of millimeters of waist height (h) * leg width (b) * waist thickness (d), such as 100*48*5.3, indicating that the waist height is 100 mm, the leg width is 48 mm, and the waist thickness is 5.3 mm, or 10# channel steel. Channel steel with the same waist height, if there are several different leg width and waist thickness, also need to add abc on the right side of the model to distinguish, such as 25#a25#b25#c.
Domestic channel steel specifications from 5-40, that is, the corresponding height is 5-40cm. 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 steel, and No. 5-16 is a medium channel steel. The imported channel steel shall be marked with actual specifications, dimensions and relevant standards. The import and export orders of channel steel are generally based on the specifications required in use after determining the corresponding carbon bonded steel (or low alloy steel) steel number. In addition to the specification number, channel steel has no specific composition and performance series.
The delivery length of channel steel is divided into two kinds: 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 5-12m, 5-19m and 6-19m according to different specifications. The length selection range of imported channel steel is generally 6-15m.