Channel is a groove-shaped cross-section steel bar. The standard to waist high (h) * leg width (b) * waist thick (d) show the number of millimeters, Hefei channel, such as 120 * 53 * 5, indicating that the high waist of 120 mm, leg width of 53 mm channel, 5mm thick waist 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, channel specification sheet, such as 25a # 25b # 25c # and so on. In the building, channel usually "[" to indicate. Such as: [16 # channel steel prices, that is, 16 # channel part manufacturers and users only pay attention to quality is smooth and bright appearance while ignoring the zinc layer thickness requirements, or simply do not do a zinc layer thickness of the test, this should not happen. Plated coating is too thin can not guarantee sufficient endurance, especially the use of large amounts of zinc bath Alcan (such as Zn-Al-RE, q235b channel price, Zn-Al-Mg) To pay special attention, because 0.2 % aluminum amount sufficient to significantly thinning the coating, resulting in a large number of coating is insufficient. Hefei channel | Show Bo Trading | channel specification sheet provided by the Hefei exhibition Bo Trading Company. Hefei channel | Show Bo Trading | channel specification sheet is Hefei Show Bo Trading Company (www.hfzhanbo.com) (www.hfzhanbo.com) this year introduced a new upgrade, the above picture is for reference only, please dial this page Phone or pictures on obtain the latest information, contact: Mr. Huang.