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METHOD OF MANUFACTURING FOR STAINLESS STEEL CONTAINING RARE EARTH ELEMENT
METHOD OF MANUFACTURING FOR STAINLESS STEEL CONTAINING RARE EARTH ELEMENT
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机译:含稀土元素的不锈钢制造方法
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摘要
PROBLEM TO BE SOLVED: To prevent the clogging of a nozzle in continuous casting with certainty and to manufacture a high cleanliness austenitic stainless steel. ;SOLUTION: In the method of manufacturing for the stainless steel containing rare earth elements, Cr in a slag is reduced by Si and/or Al after oxidation refining in a refining furnace and finishing deoxidation is successively performed using Al, and further, REM addition is carried out in such a way that, in relation with the concentration of Al in the steel, the condition of 16.7×REM wt.% ≤Al≤0.5 wt.% is satisfied to suppress the formation of inclusions containing REM oxides.;COPYRIGHT: (C)2001,JPO
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