Channel steel is an important building material. Its cross-section is groove-shaped. It is a long steel bar and is commonly used in construction and mechanical carbon structural steel. The main features of channel steel include high strength, light weight, convenient construction, corrosion resistance and a wide range of applications. The characteristics of high strength and light weight make channel steel perform well when bearing large loads, and it is also easy to carry and install. The convenience of construction is reflected in its various shapes and sizes, which can be cut, welded and connected as needed. In addition, channel steel has been treated with anti-corrosion, which can effectively resist corrosion from the atmosphere, water and chemicals, and extend its service life. Channel steel is widely used in the fields of construction, bridges, machinery manufacturing, automobile manufacturing, shipbuilding, etc.