| 发明名称 |
Corrosion resistant sucker rods |
| 摘要 |
The present invention discloses a sucker rod with high resistance to corrosion, to be used preferably in oil wells. Said sucker rod comprises a core of carbon steel, whether alloyed or not, whose surface is coated by a copper base alloy. Said alloy comprises a 50 to 99.9% copper rate. A process for manufacturing said sucker rod is included.
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| 申请公布号 |
US6723384(B2) |
申请公布日期 |
2004.04.20 |
| 申请号 |
US20020232865 |
申请日期 |
2002.08.30 |
| 申请人 |
YPF S.A.;SIDERCA S.A.I.C. |
发明人 |
BIANCHI GUSTAVO LUIS;GAWANTKA DA SILVA LELIO ALBERTO |
| 分类号 |
C23C4/08;C23C28/00;C23C30/00;(IPC1-7):B05D5/00;B05D3/02;B05D1/36 |
主分类号 |
C23C4/08 |
| 代理机构 |
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