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English
AOD refining method is the abbreviation of argon oxygen decarburization method. When refining stainless steel, it blows oxygen into molten steel under standard atmospheric pressure, and blows inert gas (Ar, N2) to achieve the effect of false vacuum by reducing CO partial pressure, so that the carbon content is reduced to a very low level. level, and inhibits the oxidation of chromium in steel.
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The vacuum degassing furnace first inhales the molten steel into the vacuum chamber and then blows argon gas into the molten steel on the side walls of the two risers. The argon gas expands rapidly under the action of low temperature and high pressure in the upper part of the vacuum chamber, making
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