鞍钢股份申请免酸洗高表面质量刃具用钢及其制造方法专利,钢板无需酸洗且表面质量较高

金融界
03 May

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“一种免酸洗高表面质量刃具用钢及其制造方法”的专利,公开号CN119899977A,申请日期为2025年2月。

专利摘要显示,本发明涉及一种免酸洗高表面质量刃具用钢及其制造方法,刃具钢的化学成分为C:0.60%~1.10%,Si:0.10%~0.40%,Mn:0.7%~1.5%,Cr:0.02%~1.5%,Al:0.01%~0.2%,N:0.0010%~0.010%,Ca:0.0005~0.02%,B≤0.0008%,P≤0.025%,S≤0.025%;并且满足2≤Al/N≤20,0.5≤S/N≤4;余量为Fe和杂质。钢板无需酸洗,表面无氧化铁皮且表面质量较高(达到FB级),粗糙度为3.0~5.0μm,热轧卷板热处理后表面硬度在45HRC以上,且表面硬度差在±0.5HRC以内,不平度≤0.05mm/m。

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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