| 发明名称 |
Composição lubrificante e processo para impedir carburização na produção de tubos sem costura |
| 摘要 |
<p>Lubricating compsn. consists of: (a) 50 wt.% -85 wt.% graphite; (b) 2-12 wt.% of one or more clay materials of the smectite class; (c1) 5-45 wt.% silicic acid sol; and (c2) 25-45 wt.% K-Al silicate. Process for preventing carburising in the mfr. of seamless pipes is also claimed, in which the roll mandrel is treated with the above lubricating compsn.</p> |
| 申请公布号 |
BR9602501(A) |
申请公布日期 |
1998.09.08 |
| 申请号 |
BR19969602501 |
申请日期 |
1996.05.28 |
| 申请人 |
TIMCAL S.A. |
发明人 |
JACQUES PERJARD |
| 分类号 |
C10M103/00;C10M173/02;C10N10/02;C10N10/04;C10N10/06;C10N20/06;C10N30/08;C10N30/14;C10N40/24;(IPC1-7):C10M173/02 |
主分类号 |
C10M103/00 |
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