Channel specifications mainly used height (h), leg width (b), waist thickness (d) of equal size to represent the current domestic channel sizes from No. 5-40, the corresponding height of 5-40cm, the surface quality and geometry tolerances have specified in the standard. General requirements There shall be no surface defects harmful to spend, do not have a significant twist, the provisions channel waves bend (camber) allowed values ??and specifications channel surface shape parameters (h, b, d, t, etc.) values, tolerance values. Batch galvanizing means hanging plating or sputtering steel parts such as transmission towers, highway guardrail, lampposts, Hefei channel price, sign posts, etc; conventional continuous galvanizing galvanizing, also known as galvanized steel pipe, tank steel price inquiries, galvanized steel, steel wire, manganese channel price, volume dip galvanized zinc plating long time without blowing wipe coating, thereby obtaining a zinc layer is thicker and has a long service life of outdoor exposure. China promulgated the conventional hot-dip galvanizing common national standard GB 1992 / T 13912-92 [1], in addition early adopters and widely used since there is GB 2694-81 [2]. The two main quality standards for hot-dip galvanizing has clearly defined, but there are differences between each other, and compared with some foreign galvanized standard, some of the details of the narrative quality galvanized not detailed enough. In this paper, with reference to the United States, Britain, Japan and other countries and hot-dip galvanizing ISO standards, the relevant parts of the presentations and discussions. Manganese channel price, exhibition of Commerce Bo, Hefei channel price offered by the Hefei exhibition Bo Trading Company. Manganese channel price, exhibition of Commerce Bo, Hefei Hefei Show channel price is 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 Tel pages or pictures on obtain the latest information, contact: Mr. Huang.