| 摘要 |
PURPOSE: A deoxidation method of an invar is provided to achieve the invar having good clearness by deoxidizing the invar with titanium only after a vacuum oxygen decarburization. CONSTITUTION: In the deoxidation method of an invar, namely a specific steel consisting of nickel of 36 percent by weight and iron, with improved clearness, after a decarbonization process in a vacuum oxygen decarburization line of an electric furnace is completed, molten steel is secondarily decarbonated and denitrated, and then the amount of titanium is adjusted in a range of 0.005 to 0.5 percent by weight.
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