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Refining Process of Molten Steel of Cast Steel by Wire Feeding and Argon Blowing outside the Furnace
In recent years, with the acceleration of railway rolling stock, there are higher requirements for the quality, variety， and performance of steel castings on the locomotive. Especially for the steel castings at the running part, in addition to strengthening the design structure, new requirements are put forward for the internal quality and durability of steel castings.