金融界2025年5月3日消息,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“一种低屈服强度抗冲击农机旋耕刀用钢及其制造方法”的专利,公开号CN119899979A,申请日期为2025年2月。
专利摘要显示,本发明涉及农机用钢技术领域,具体而言,尤其涉及一种低屈服强度抗冲击农机旋耕刀用钢及其制造方法。本发明利用Cr、Nb、B、Re合金化,同时控制铸坯加热、粗、精轧除鳞压力、轧制温度、压下率、卷取温度、冷速等工艺参数,制得的农机旋耕刀用钢屈服强度低,冲压成型性好;使用其生产得到的农机旋耕刀零件,屈服强度300~400MPa,抗拉强度为700~800MPa,延伸率≥18%;热处理后屈服强度1400MPa以上,抗拉强度1900MPa以上,延伸率≥10%,20℃冲击功AKv≥25J,硬度53HRC以上,耐磨寿命延长2倍以上,使用寿命明显提升。
天眼查资料显示,鞍钢股份有限公司,成立于1998年,位于鞍山市,是一家以从事黑色金属冶炼和压延加工业为主的企业。企业注册资本936922.1258万人民币。通过天眼查大数据分析,鞍钢股份有限公司共对外投资了52家企业,参与招投标项目5000次,财产线索方面有商标信息5条,专利信息5000条,此外企业还拥有行政许可611个。
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