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
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