1, the basic concept



Channel steel for the groove-shaped cross section is the long steel. Its specifications that methods, such as 120 * 53 * 5, said waist high as 120 mm, legs wide for the 53 mm of channel steel, waist thick as 5 mm of channel steel, or 12 # channel. The same channel waist high, if several different legs wide and thick waist models also need to distinguish between right and abc, such as 25 a # 25b # 25c #, and so on.


2, classification and uses


Channel-ordinary channel steel and light channel. Hot ordinary channel specifications for 5-40 #. The agreement between supply and demand in the supply of hot rolled alternative channel specifications for 6.5-30 #. The main channel for building structure, vehicle manufacturers and other industrial structure, channel steel I-beam and also often used in conjunction with cold rolled steel strip.


3, the main origin


China mainly Baogang, Laiwu Steel, Wuhan Iron and Steel Company, Magang several steel production and other less.