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Hot-Rolled Steel Channel Hot-Rolled Steel Channel Product Introduction China Coal06Hot-Rolled Steel Channel is cross section for the groove shape of strip steel.Model:Waist height(h)*Leg width(b)*Waist thickness (d) .Such as 120*53*5 means the Waist height is 120mm, Leg width is 53mm,Waist thickness is 5mm.or 12#U-channel.the waist height as same.such as a kinds of different of the waist width and waist thickness need to sign a b c on right side.such as 25a# 25b# 25c# etc.Hot-Rolled Steel Channel ParametersStandard by GB2101-80 (1)Hot rolling common channel steel (GB707-88) Main use: Common Channel is mainly used for building structures, vehicle manufacturing and other industrial. structures, often used in conjunction with the I-beam. (2)Hot rolling light channel steel (YB164-63)Hot rolling light channel steel is a thin-walled steel, hot rolled channel than the average have better economic results. Its standard models ranging from 5-40 #. 1966 rule of standard requirements specifications range from 10-40 #. Main use: building and steel structure and other purposes.