Railway Castings, as crucial load-bearing parts in railway devices, have their inside microstructure right analyzing the performance and repair existence. Metallographic Evaluation, by revealing the microstructure characteristics of elements, supplies a immediate basis for the standard assessment of observe castings. one.Specialized ways of metallographic Evaluation one.one Metallogra... https://sites.google.com/view/railshoulders/%E9%A6%96%E9%A1%B5