Channel is a groove-shaped cross-section steel bar. The standard to waist high (h) * leg width (b) * waist thick (d) the number of millimeters show, such as 120 * 53 * 5, indicating that the high waist of 120 mm, leg width of 53 mm channel, thick waist 5 mm channel, or 12 # channel. Like the channel waist high, if several different legs wide and thick waist differences also need to be added to the right type abc, such as 25a # 25b # 25c # and so on. Bengbu channel steel manufacturers in the construction, channel usually "[" to indicate. Such as: [16 #, 16 # channel steel channel that is mainly used in the specification height (h), leg width (b), waist thickness (d) of equal size to represent the current domestic channel sizes from No. 5-40, That is the appropriate height of 5-40cm. At the same height, light channel narrower than the ordinary channels of legs, waist thin and light weight. 18-40 large channel number, channel number 5-16 for the medium channel. Import channel indicate the actual size specifications and related standards. Import and export orders generally channel in determining the appropriate carbon steel (or low alloy) steel post to the specifications required by the main use. In addition to the standard number, channel no specific composition and performance series. Japanese standard channel, channel Bengbu, Hefei exhibition by exhibition of Commerce Bo Bo Trading Company. Hefei Show Bo Trading Company (www.hfzhanbo.com) (www.hfzhanbo.com) strong, credible, in Hefei steel industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement will lead the development of innovative ideas of Commerce Bo into the brilliant and you work for a better future!