Railway Castings, as crucial load-bearing elements in railway systems, have their interior microstructure instantly pinpointing the effectiveness and service life. Metallographic Investigation, by revealing the microstructure attributes of supplies, presents a direct foundation for the quality assessment of keep track of castings. 1.Complex ways of metallographic Examination one.1 Met... https://www.vevioz.com/post/1839294_in-curved-sections-or-areas-with-frequent-braking-the-surface-of-the-rail-will-d.html