Silicon: High silicon content reduces the solubility of carbon in austenite, carbides precipitate at the grain boundaries and increases in size. After water toughening, large microscopic porosity is left at grain boundaries, but in order to completely eliminate The silicon content in the steel is controlled to be 0.4-0.6%, and the silicon content is higher than 0.8%. There is no obvious effect on the performance of the high-manganese steel.

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