发明名称 |
HIGH PRESSURE-RATED RAM BLOWOUT PREVENTER AND METHOD OF MANUFACTURE |
摘要 |
<p>A process to manufacture a ram blowout preventer, the process including: welding a bottom flange to a body, wherein at least one of the bottom flange and the body comprises a base material; selectively reinforcing the base material with an age-hardenable clad material; and heat treating the welded flange and selectively reinforced body to achieve selected properties in each of the clad material and the base material.</p> |
申请公布号 |
EP2084301(A1) |
申请公布日期 |
2009.08.05 |
申请号 |
EP20070863840 |
申请日期 |
2007.11.02 |
申请人 |
HYDRIL USA MANUFACTURING LLC |
发明人 |
HUFF, PHILIP, A.;PRUDEN, KEITH |
分类号 |
C21D9/00 |
主分类号 |
C21D9/00 |
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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