发明名称 |
Nickel-plated steel sheet and process for producing battery can using the nickel-plated steel sheet |
摘要 |
A Ni-plated steel sheet is provided in which the occurrence of scratches at the time of forming a battery can is suppressed. Also provided is a method which includes a step where a surface of a steel sheet is plated with Ni in a Ni adhesion amount of 0.3-2μm, a step where the Ni-plated steel sheet is heated to 600-800° C. to form an Fe−Ni diffusion layer as an outermost surface layer, and a step where the steel sheet is rolled by temper rolling so as to adjust the Fe−Ni diffusion layer so that the steel sheet has the surface roughness Ra of 0.9-2.0μm and the surface roughness Ry of 4.0-15μm. A Ni-plated steel sheet which includes an Fe−Ni diffusion layer as an outermost surface layer and in which the diffusion layer has the surface roughness Ra of 0.9-2.0μm and the surface roughness Ry of 4.0-15μm and the diffusion layer has such an Fe/Ni ratio that the Fe accounts for 20-50% in Auger analysis is subjected to drawing using a water-soluble liquid which contains water-soluble emersion as a press lubricant. |
申请公布号 |
US8734961(B2) |
申请公布日期 |
2014.05.27 |
申请号 |
US201013377258 |
申请日期 |
2010.05.31 |
申请人 |
TAKEMATSU SHINICHI;OKAMATSU EIJI;MINAGI HIDEYUKI;TOYO KOHAN CO., LTD. |
发明人 |
TAKEMATSU SHINICHI;OKAMATSU EIJI;MINAGI HIDEYUKI |
分类号 |
C25D5/50;B21B1/22;B21D51/26;C25D3/12;C25D5/16;C25D7/00;H01M2/02 |
主分类号 |
C25D5/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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