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FERRITIC STAINLESS STEEL HAVING IMPROVED CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR
FERRITIC STAINLESS STEEL HAVING IMPROVED CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR
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机译:铁素体不锈钢具有改善的耐腐蚀性和制造方法
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摘要
Disclosed is a ferritic stainless steel with improved corrosion resistance. The ferritic stainless steel with improved corrosion resistance according to an embodiment of the present disclosure includes, in percent (%) by weight of the entire composition, C: 0.02% or less (excluding 0), N: 0.02% or less (excluding 0), Si: 0.5% or less (excluding 0), Mn: 0.3% or less (excluding 0), Cr: 16 to 20%, Ni: 0.4% or less (excluding 0), the remainder of iron (Fe) and other inevitable impurities, and a Cr weight % content of a thickness region from a surface of a passivation film to 3 nm is 1.2 times or more than the Cr weight % content of the stainless base material.
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