发明授权
- 专利标题： Method of producing lead bead bearing steel
- 专利标题（中）： 生产铅珠轴承钢的方法
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申请号： US3756805D申请日： 1970-10-09
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公开(公告)号： US3756805A公开(公告)日： 1973-09-04
- 发明人: ORMAECHEA J
- 申请人： ORMAECHEA J
- 专利权人： J Ormaechea
- 当前专利权人： J Ormaechea
- 优先权： ES376188 1970-02-03
- 主分类号： C21C7/00
- IPC分类号： C21C7/00 ; C22C38/60 ; C22C39/54
摘要：
METHOD FOR PRODUCING LEAD-BEARING STEEL AND THE PRODUCT PRODUCED THEREBY COMPRISING DISCHARGING A STREAM OF MOLTEN STEEL FROM A MELTING FURNACE TO A LADLE, AND ADDING LEAD TO THE STREAM OF MOLTEN STEEL AS IT IS BEING DISCHARGED FROM THE MELTING FURNACE AT TEMPERATUREA ABOVE 1600*C. AND CONTROLLING THE TEMPERATURE OF THE BATH, AND DISSOLVING OXYGEN IN THE BATH IN THE LADLE IN ORDER TO FAVOR THE FORMATION OF LEAD-OXIDE.