| 发明名称 |
Lubricant surface-treated steel pipe for hydroforming use |
| 摘要 |
A lubricant surface-treated steel pipe for hydroforming use in which at least its outer surface is coated with a lubricating organic resin to a thickness of 0.5 mu m to 100 mu m. The surface-treated steel pipe provides excellent prevention of galling and excellent lubrication in hydroforming. Also, hydroforming can be started immediately after the surface-treated steel pipe is cut into short pieces.
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| 申请公布号 |
US6009913(A) |
申请公布日期 |
2000.01.04 |
| 申请号 |
US19970964915 |
申请日期 |
1997.11.05 |
| 申请人 |
SUMITOMO METAL INDUSTRIES, LTD |
发明人 |
KOJIMA, MASAYASU;IKISIMA, KENJI;TOMIYASU, KEN |
| 分类号 |
B05D7/14;C10M107/28;C10M107/32;C10M107/44;C10M111/04;C10M177/00;F16L57/06;F16L58/10;(IPC1-7):F16L9/147 |
主分类号 |
B05D7/14 |
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