Novel process for producing super high manganese steel casting
A technology of ultra-high manganese and new technology, applied in the direction of improvement of process efficiency, casting mold, casting mold composition, etc., can solve problems such as difficult to meet the user's high quality level, toughness reduction, uneven composition, etc., and achieve remarkable economic effects, Improvement of mechanical properties and improvement of casting quality
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[0023] The specific embodiments of the present invention will be described in detail below with reference to the examples.
[0024] According to the new smelting process of ultra-high manganese steel of the present invention, it includes smelting Mn13, Mn13Cr2, Mn18 or Mn18Cr2 ultra-high manganese steel in an electric arc furnace: melting the scrap steel into the furnace, blowing oxygen to assist the melting, twice making slag, testing the components, adding Cr iron and Mn ferroalloy and all components are qualified after tapping, which is characterized in that a modifier is introduced into the ladle two minutes before tapping or after tapping to carry out metamorphic treatment on the molten steel, and then argon purification treatment is performed on the molten steel after the metamorphic treatment is completed,
[0025] The weight percentage of the formula of the modifier is: rare earth strontium alloy 10--20%, sodium-based glass powder 15--25%, ferrovanadium 10--20%, titaniu...
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