发明名称 |
Chromium-containing cemented tungsten carbide coated cutting insert |
摘要 |
A chromium-containing coated cemented tungsten carbide cutting insert that has a substrate and a coating. The substrate comprises between about 5.7 and about 6.4 weight percent cobalt, between about 0.2 and about 0.8 weight percent chromium and the balance tungsten and carbon, and a coercive force of about 195 to 245 oersteds.
|
申请公布号 |
US6612787(B1) |
申请公布日期 |
2003.09.02 |
申请号 |
US20000637762 |
申请日期 |
2000.08.11 |
申请人 |
KENNAMETAL INC. |
发明人 |
NORTH BERNARD;JINDAL PREM C. |
分类号 |
B23C5/16;B23B27/14;C22C29/08;C23C16/32;C23C16/34;C23C16/40;C23C30/00;(IPC1-7):B23B27/14;B26D1/00 |
主分类号 |
B23C5/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|