Stair treads and steel grille model specifications, is based on the load flat steel specifications, load flat steel and steel combination spacing ,, twisted square steel grating structure type, load flat shape, and surface treatment will be different state stepping in Jiamusi board manufacturers, forming a variety of specifications Cheng treads manufacturers look forward to your visit and sincere cooperation to ensure quality, timely delivery, a faith-based; the gentleman love of money to the road, a partnership permanent friends. Staircase Steel Grating very versatile, mainly for external stairs ventilation fence, bridge, racks and frames, pedestrian bridge conveyor gallery ,, trestle, bridge walkway, hopper windows, walkways and other railroad crossing stair treads steel grid also called a plate steel grating stair treads and stair platform applications with good anti-slip properties. Common staircase width: 700mm iron treads force manufacturers, 800mm, 900mm, 600mm treads minimum width, maximum width of not more than 1200mm. Steel grating stair treads on the design of the installation must take full account of its firm and pedestrian convenience. Links ladder treads beam welding or using bolted treads a4, bolt size not less than M10. Welding method to install, treads the end of each side plate should be flat-sided carrying fully welded, fillet welds for not less than 3mm welding; treads and steel grating as are necessary to surface after production manner treads, there are five general processing, hot galvanized, hot dip galvanized treads cold galvanizing, painting, spray, do not deal with. But can also choose other approach based on customer and technical requirements. Mishan treads treads manufacturers _ Wuchang manufacturers (certified) _ treads made by Anping million steel grid MILL. Anping send one hundred million steel grid MILL (www.hbggb.net) (www.hbggb.net) Hebei Hengshui, the wire mesh of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum limits to meet customer needs. Steel grating sent one hundred million in leadership with the staff warmly welcome all inquiries negotiations to create hair one hundred million steel grating a better future.