金融界2024年8月31日消息,天眼查知識產(chǎn)權(quán)信息顯示,徐工集團工程機械股份有限公司取得一項名為“一種鑄鐵產(chǎn)品及其制備方法“,授權(quán)公告號CN116445819B,申請日期為2023年4月。
專利摘要顯示,本發(fā)明涉及一種鑄鐵產(chǎn)品,由包括以下步驟的方法制備而成,1)獲得原料鑄鐵;2)對原料鑄鐵進行熱處理,所述原料鑄鐵的元素組成按質(zhì)量百分比計為C:0.6~1.8%、Si:0.3~0.5%、Mn:0.5~1.5%、Cr:14~30%、Ni:0.02~0.12%、V:0.05~0.15%、Mo:0.3~0.8%、Co:0.01~0.05%、Cu:0.3~0.8%、P:<0.02%、S:<0.02%,余量為Fe和不可避免的雜質(zhì)。該鑄鐵產(chǎn)品耐磨性好,適合用作挖掘機的斗齒。
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