Invention Grant
US07658883B2 Interstitially strengthened high carbon and high nitrogen austenitic alloys, oilfield apparatus comprising same, and methods of making and using same
有权
间歇强化的高碳高氮奥氏体合金,包含该高碳和高氮奥氏体合金的油田装置及其制造和使用方法
- Patent Title: Interstitially strengthened high carbon and high nitrogen austenitic alloys, oilfield apparatus comprising same, and methods of making and using same
- Patent Title (中): 间歇强化的高碳高氮奥氏体合金,包含该高碳和高氮奥氏体合金的油田装置及其制造和使用方法
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Application No.: US11612088Application Date: 2006-12-18
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Publication No.: US07658883B2Publication Date: 2010-02-09
- Inventor: Manuel Marya , Rashmi Bhavsar
- Applicant: Manuel Marya , Rashmi Bhavsar
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agency: Edmonds & Nolte, P.C.
- Agent Jeremy P. Welch; James L. Kurka
- Main IPC: C21D1/74
- IPC: C21D1/74 ; C22C38/58 ; C22C38/00 ; C22C33/04

Abstract:
Novel carbon-plus-nitrogen corrosion-resistant ferrous and austenitic alloys, apparatus incorporating an inventive alloy, and methods of making and using the apparatus are described. The corrosion-resistant ferrous and austenitic alloys comprise no greater than about 4 wt. % nickel, are characterized by a strength greater than about 700 MPa (100 ksi), and, when being essentially free of molybdenum (
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