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2025年8月1日，甘肃酒钢集团宏兴钢铁股份有限公司成功申请一项专利，名为“一种高锰控氮含铜奥氏体不锈钢的冶炼方法” ，申请公布号为CN120400670A，申请日期是2025年6月26日。

该发明提供了高锰控氮含铜奥氏体不锈钢的冶炼方法，采用电炉（EAF）+氩氧脱碳炉（AOD）+钢包精炼炉（LF）+连铸机（CCM）工艺流程。通过优化合金配比，对钢液成分进行精准控制，C含量在0.040 – 0.070%、Si为0.20 – 0.60%、Mn是5.50 – 7.00%、Ni为3.00 – 4.50%、Cr为16.00 – 18.00%、N是0.080 – 0.150%、Cu为...

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