Mining Railway Equipment quotation 12kg/m Steel Rail Product Production In gold mines, 12kg/m steel rail are often used. Mining electric locomotives, mucking machine and mine wagon usually need to run along the railway tracks When the electric locomotive is running, it often produces the longitudinal force acting on the steel rail, which makes the steel rail move longitudinally, and sometimes even drives the sleeper to move together. This vertical movement is called crawling. Crawling generally occurs in the section main line of double track railway, the loaded vehicle direction of single track railway, on long downhill and within the braking range when entering the station. 12kg/m Steel Rail Details 12kg/m Mining Railway Parameter We Are Experts In Mining Equipment Our Factory Package and Delivery Our Certification Mining Railway Equipment quotation website:http://www.zlocomotives.com/mining-railway-equipment/