金融界2025年5月1日消息，国家知识产权局信息显示，马鞍山钢铁股份有限公司申请一项名为“一种低屈强比汽车零部件用热轧钢及其制造方法”的专利，公开号CN119876781A，申请日期为2025年1月。专利摘要显示，本发明提供了一种低屈强比汽车零部件用热轧钢及其制造方法，成分Cr0.30％～0.40％、Ni0.40％～0.50％、Mo0.26％～0.30％、C0.17％～0.22％、Si0.20％～...
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