What are the specifications of channel steel and its application areas

Channel steel is a common steel profile, widely used in construction, machinery manufacturing, bridges, shipbuilding, and other industries. Channel steel can be divided into many types according to its specifications, such as national standard channel steel and non-standard channel steel.

First, national standard channel steel specifications
National standard channel steel is manufactured and produced by national standards, and their specifications are generally expressed in terms of channel steel height, waist thickness, and wing thickness.
1. Straight-leg channel steel: The common specifications of straight-leg channel steel are 8#, 10#, 12#, 14#, 16#, 18#, 20#, etc., where "#" indicates the height of the channel steel. For example, the height of 8# channel steel is 8 cm.
2. Flange channel steel: The specifications of flange channel steel are generally expressed as the flange width, flange thickness, and height of the channel steel. Common specifications are 5#, 6.3#, 8#, 10#, etc. Flange channel steel is usually used to make steel structure brackets, columns beams, etc.

Second, non-standard channel steel specifications
In addition to national standard channel steel, there are some non-standard channel steels with diversified specifications, which are usually customized according to individual needs. In industrial production, special specification channel steels are sometimes required to meet specific engineering requirements.
Application field: As an important building material, channel steel is widely used in various fields. The following is an introduction to the specific application of channel steel in different application fields.
1. Construction industry: Channel steel is often used to make steel structure frames, used in the main structure, roof, eaves, walls, and other parts of buildings. Its high strength and excellent plasticity make channel steel a common material in building structures.
2. Machinery manufacturing industry: Channel steel is widely used in machinery manufacturing, transportation manufacturing, and the production of mechanical equipment accessories. For example, it is used to make cranes, pressure vessels, conveying equipment, etc. The stability and bearing capacity of channel steel makes it have important application value in the field of machinery manufacturing.
3. Bridge construction: Channel steel is often used to build the main structure and support structure in bridge construction. Its high strength and corrosion resistance make it an ideal choice in this field, which can effectively support and disperse the load of the bridge.
4. Shipbuilding: Channel steel also has important applications in the shipbuilding industry. As a key profile in shipbuilding structures, it is used to make the inner and outer shell structures of the hull, wing plates, etc. Its high strength and corrosion resistance ensure the structural safety and navigation quality of the ship.

In summary, there are two types of channel steel specifications: national standard channel steel and non-standard channel steel. The specifications of national standard channel steel are generally expressed in terms of the height, waist thickness, and wing thickness of the channel steel, while non-standard channel steel is customized according to specific needs. Channel steel is widely used in industries such as construction, machinery manufacturing, bridges, and shipbuilding. Its excellent mechanical properties and corrosion resistance make it an indispensable and important material in these fields. Whether it is a large-scale construction project, mechanical equipment, or transportation infrastructure, channel steel plays an important role and contributes to the development of all walks of life.