| 发明名称 |
Drawing die with improved performance |
| 摘要 |
<p>The present invention relates to cemented carbide for steel tire cord drawing operations. The cemented carbide comprises WC with an ultra fine grain size and >5 but <10 weight-% Co, including grain growth inhibitors (V and/or Cr) and with a specific relation between HV30 and cobalt content.</p> |
| 申请公布号 |
EP1726672(A1) |
申请公布日期 |
2006.11.29 |
| 申请号 |
EP20060445030 |
申请日期 |
2006.05.19 |
| 申请人 |
SANDVIK INTELLECTUAL PROPERTY AB |
发明人 |
ENGSTROEM, HAKAN;MINARRO I BRUGUERA, LOUIS;VASCO I SALAS, GERARD |
| 分类号 |
C22C29/08;B21C3/02;C22C29/06 |
主分类号 |
C22C29/08 |
| 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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