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 Channel is a groove-shaped cross-section of strip steel. Its specifications to waist high (h) * leg width (b) * waist thick (d) of a few millimeters that if the 120 * 53 * 5, said waist height 120 mm, leg width of 53 mm waist thickness of 5 mm slot steel, or 12 # channel. High waist the same channel, where several different width and waist thick legs also need to add the right type abc be distinguished, such as 25a # 25b # 25c #, etc. 
 Common channel and sub channel light channel. Ordinary hot-rolled channel specifications 5-40 #. Upon the agreement between the supply of hot-rolled channel size of 6.5-30 # modifications. 
 Channel is mainly used for building structures, vehicles, manufacturing and other industrial structure, and the beam channel is also often used in conjunction. Most production of enclosure-based channel, as well as fixation, etc., such as power plants, substations electrical enclosure base 
 Channel according to the shape can be divided into four categories: cold-formed channel equilateral, scalene channel cold, cold-formed channel within the curling, curling channel cold outside 
 Q235B, Q235C channel, Q345B, Q345C channel and some Q345D channel, Q345B, Q345C channel can be set rolling Q345D channel, 
 I-beam, channel steel, angle steel is widely used in industrial buildings and metal structures, such as workshops, bridges, boats, vehicles, agricultural machinery manufacturing, transmission tower, transport machinery, often with the application. Flat steel used in bridge construction workers and top, house frames, fences, transmission vessels, vehicles and so on. Round, square steel parts for machinery, agricultural machinery parts, tools and so on. 

 United Steel Pipe Co., Ltd. Shandong Liaocheng on the round hole of new equipment, two sets of cold-drawing unit, thermal expansion device, according to the different needs of customers, processing custom non-standard pipe. 
 Featured: Japan JFE, Germany Manna Mann, Benteler, Spain, United Steel Corporation, Italy Daer Ming and other kinds of alloy pipe.