Product Introduction:We are professional in industrial steel rail,Website:http://www.inter-railway.com, mainly deal with heavy rail, light rail, crane rail of Chinese Standard and related accessories, in the following Material and specifications: Product details:1.Heavy Rail Specification: 38kg/m, 43kg/m, 50kg/m Standard:AISI, ASTM, BS, DIN, GBGrade:U71MnBottom Width: 150mmWeb Thickness: 16. ...