Railway Castings, as important load-bearing elements in railway methods, have their interior microstructure specifically analyzing the effectiveness and service everyday living. Metallographic Investigation, by revealing the microstructure attributes of supplies, presents a direct foundation for the quality evaluation of keep track of castings. 1.Technological methods of metallographi... https://www.scoop.it/topic/okok0972/p/4168349816/2025/10/10/rail-grinding