Allow the rail head wear limits determined mainly by the strength and structural conditions. That is when the rail wear reached the allowable limit, the first, but also to ensure the rail has sufficient strength and bending stiffness; the second is to ensure that in the most adverse conditions should get off the rim does not collide joint bar. "Railway track maintenance rule" middle rail head by a different degree of wear, heavy rail supply price, divided into two types of minor and serious injuries. Rail corrugation consumption than 0.5mm deep valley as minor injuries track. Using cross-sectional shape of the rail-shaped bending section has the best performance, heavy rail supply price, rail head, consisting of 43G, Hefei heavy rail price, 50G, 60G rail-sectional view of the rail web and rail foot three parts. To enable the rail to better support forces from all aspects of railroad rail prices, ensure the necessary strength conditions, rail should be sufficient height, the head and the bottom should be of sufficient size and height, waist and bottom should not be too thin. Hefei rail price, exhibition of Commerce Bo, railway heavy rail prices provided by the Hefei exhibition Bo Trading Company. Hefei rail price, exhibition of Commerce Bo, Hefei railway rail prices 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 Tel pages or pictures on obtain the latest information, contact: Mr. Huang.