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国家知识产权局信息显示,鞍钢股份有限公司申请一项名为“钠冷快堆燃料包壳用奥氏体不锈钢板、制造及其焊接方法”的专利,公开号CN121737578A,申请日期为2026年3月。
专利摘要显示,本发明提出一种钠冷快堆燃料包壳用奥氏体不锈钢板、制造及其焊接方法,钢板的成分按重量百分比计如下:C:0.07%~0.08%、Si:0.20%~0.30%、Mn:5.0%~6.0%、P≤0.015%、S≤0.002%、Cr:12.5%~13.5%、Ni:12.5%~13.5%、Mo:2.0%~3.0%、N:0.15%~0.25%,V:0.15%~0.25%,Nb:0.10%~0.15%,B:0.0015%~0.0025%,其余含量为Fe和不可避免的杂质。钢板的生产方法包括冶炼、加热、轧制、热处理。
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