Channel steel is divided into ordinary u-steel and light Channel steel. The specification of hot rolled ordinary Channel steel is 5-40#. The specification of hot rolled flexible Channel steel is 6.5-30# after  agreement between the purchaser and the supplier.

Channel steel according to the shape can be divided into four kinds :

 cold bending equilateral u-steel, cold bending unequal side Channel steel, cold bending inner edge coil Channel steel, cold bending outer edge coil u-steel.