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    Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof
    1.
    发明授权
    Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof 失效
    具有优异的低温韧性的超高强度耐久钢及其制造方法

    公开(公告)号：US06254698B1

    公开(公告)日：2001-07-03

    申请号：US09215773

    申请日：1998-12-19

    申请人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Glen A. Vaughn ,  Raghavan Ayer

    发明人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Glen A. Vaughn ,  Raghavan Ayer

    IPC分类号： C21D802

    CPC分类号： C21D6/001 ,  C21D1/19 ,  C21D1/20 ,  C21D7/13 ,  C21D8/02 ,  C21D8/0226 ,  C21D9/0068 ,  C21D9/08 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16

    摘要： An ultra-high strength, weldable, low alloy steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone (HAZ) when welded, having a tensile strength greater than about 830 MPa (120 ksi) and a microstructure comprising (i) predominantly fine-grained lower bainite, fine-grained lath martensite, fine granular bainite (FGB), or mixtures thereof, and (ii) up to about 10 vol % retained austenite, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; finish rolling the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar3 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature (QST); stopping the quenching; and either, for a period of time, holding the plate substantially isothermally at the QST or slow-cooling the plate before air cooling, or simply air cooling the plate to ambient temperature.

    摘要翻译： 在焊接时，在底板和热影响区（HAZ）中具有优异的低温韧性的超高强度，可焊接的低合金钢，具有大于约830MPa（120ksi）的拉伸强度和包含（ i）主要是细粒度的下贝氏体，细粒状板条马氏体，细粒状贝氏体（FGB）或其混合物，和（ii）高达约10体积％的残余奥氏体，通过加热包括铁和指定的钢板 碳，锰，镍，氮，铜，铬，钼，硅，铌，钒，钛，铝和硼中的一些或所有添加剂的重量百分数。 在奥氏体重结晶的温度范围内，在一次或多次通过时，将板坯还原成板; 在低于奥氏体再结晶温度且高于Ar3转变温度的温度范围内，在一个或多个道次中对板进行精轧; 将精轧板淬火至合适的淬火停止温度（QST）; 停止淬火 并且在一段时间内，在空气冷却之前将板保持基本上等温，或者在空气冷却之前缓慢冷却板，或者简单地将板空气冷却至环境温度。

    Ultra-high strength triple phase steels with excellent cryogenic temperature toughness
    2.
    发明授权
    Ultra-high strength triple phase steels with excellent cryogenic temperature toughness 失效
    超高强度三相钢，具有优异的低温韧性

    公开(公告)号：US6159312A

    公开(公告)日：2000-12-12

    申请号：US215772

    申请日：1998-12-19

    申请人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Raghavan Ayer ,  Glen A. Vaughn

    发明人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Raghavan Ayer ,  Glen A. Vaughn

    IPC分类号： C21D1/02 ,  C21D1/19 ,  C21D8/02 ,  C22C38/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/58

    CPC分类号： C21D1/19 ,  C21D1/02 ,  C21D8/0226 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C21D9/50

    摘要： An ultra-high strength, weldable, low alloy, triple phase steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone (HAZ) when welded, having a tensile strength greater than about 830 MPa (120 ksi) and a microstructure comprising a ferrite phase, a second phase of predominantly lath martensite and lower bainite, and a retained austenite phase, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; further reducing the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar.sub.3 transformation temperature; finish rolling the plate between the Ar.sub.3 transformation temperature and the Ar.sub.1 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature (QST); and stopping the quenching.

    摘要翻译： 一种超高强度，可焊接，低合金，三相钢，其在焊接时在基板和热影响区（HAZ）中具有优异的低温韧性，具有大于约830MPa（120ksi）的拉伸强度和 通过加热包含铁的钢板和特定重量百分比的一些或全部添加剂碳，锰，镍，氮，制备包含铁素体相，主要是板条马氏体和下贝氏体的第二相以及残余奥氏体相的微观结构 铜，铬，钼，硅，铌，钒，钛，铝和硼; 在奥氏体重结晶的温度范围内，在一次或多次通过时，将板坯还原成板; 在低于奥氏体再结晶温度和高于Ar3转变温度的温度范围内，在一个或多个道次中进一步减少板; 在Ar3转变温度和Ar1转变温度之间对板进行精轧; 将精轧板淬火至合适的淬火停止温度（QST）; 并停止淬火。

    Low Alloy Steels With Superior Corrosion Resistance For Oil Country Tubular Goods
    4.
    发明申请
    Low Alloy Steels With Superior Corrosion Resistance For Oil Country Tubular Goods 有权
    低合金钢，具有优异的耐油腐蚀性，适用于石油国家管材

    公开(公告)号：US20110120723A1

    公开(公告)日：2011-05-26

    申请号：US12600949

    申请日：2008-05-02

    申请人： Dylan V. Pugh ,  Joseph C. Bondos ,  Shiun Ling ,  Raghavan Ayer ,  Shalawn K. Jackson ,  Narasimha-Rao V. Bangaru ,  Swarupa S. Bangaru ,  Jayoung Koo

    发明人： Dylan V. Pugh ,  Joseph C. Bondos ,  Shiun Ling ,  Raghavan Ayer ,  Shalawn K. Jackson ,  Narasimha-Rao V. Bangaru ,  Swarupa S. Bangaru ,  Jayoung Koo

    IPC分类号： E21B43/00 ,  C22C38/14 ,  C22C38/12 ,  C21D6/00

    CPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  C22C38/18

    摘要： The present application describes a steel composition that provides enhanced corrosion resistance. This steel composition includes one of vanadium in an amount of 1 wt % to 9 wt %, titanium in an amount of about 1 wt % to 9 wt %, and a combination of vanadium and titanium in an amount of 1 wt % to about 9 wt %. In addition, the steel composition includes carbon in an amount of 0.03 wt % to about 0.45 wt %, manganese in an amount up to 2 wt % and silicon in an amount up to 0.45 wt %. In one embodiment, the steel composition includes a microstructure of one of the following: ferrite, martensite, tempered martensite, dual phase ferrite and martensite, and dual phase ferrite and tempered martensite. Further, the present application describes a method for processing the steel composition and use of equipment such as oil country tubular goods, fabricated with the steel composition.

    摘要翻译： 本申请描述了提供增强的耐腐蚀性的钢组合物。 该钢组合物包括1重量％至9重量％的钒中的一种，约1重量％至9重量％的钛，以及1重量％至约9重量％的钒和钛的组合 重量％。 此外，钢组合物包括0.03重量％至约0.45重量％的碳，最多达2重量％的锰和至多0.45重量％的硅。 在一个实施方案中，钢组合物包括以下之一的微结构：铁素体，马氏体，回火马氏体，双相铁素体和马氏体，以及双相铁素体和回火马氏体。 此外，本申请描述了用钢组合物制造的用于加工钢组合物和使用诸如油井筒状物品的设备的方法。

    Use of laser shock processing in oil & gas and petrochemical applications
    6.
    发明申请
    Use of laser shock processing in oil & gas and petrochemical applications 审中-公开
    在石油和天然气和石化应用中使用激光冲击加工

    公开(公告)号：US20080032152A1

    公开(公告)日：2008-02-07

    申请号：US11499800

    申请日：2006-08-04

    申请人： Glen A. Vaughn ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Raghavan Ayer ,  Danny L. Beeson ,  Neeraj S. Thirumalai ,  David A. Baker ,  David A. Norman

    发明人： Glen A. Vaughn ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Raghavan Ayer ,  Danny L. Beeson ,  Neeraj S. Thirumalai ,  David A. Baker ,  David A. Norman

    IPC分类号： B32B15/00

    CPC分类号： B23K26/18 ,  B23K26/009 ,  B23K26/356 ,  C21D9/08 ,  C21D10/005 ,  Y10T428/12493

    摘要： The use of laser shock processing in oil & gas and/or petrochemical applications is provided by the present invention. The use includes subjecting friction stir weldments, fusion weldments, and other critical regions of ferrous and non-ferrous alloy components used in oil & gas and petrochemical applications to laser shock processing to create residual compressive stresses near the surface of the treated area. The residual compressive forces in the ferrous or non-ferrous components improve properties including, inter alia, is surface strength, fatigue life, surface hardness, stress corrosion resistance, fatigue resistance, and environmental cracking resistance. Laser shock processing finds particular application in high strength pipelines, steel catenary risers, top tension risers, threaded components, liquefied natural gas containers, pressurized liquefied natural gas containers, deep water oil drill strings, riser/casing joints, and well-head equipment.

    摘要翻译： 在油气和/或石化应用中使用激光冲击加工由本发明提供。 该用途包括将摩擦搅拌焊件，熔接焊缝以及用于石油和天然气和石油化学应用中的铁和非铁合金部件的其它关键区域进行激光冲击加工，以在处理区域的表面附近产生残余压应力。 亚铁或有色金属组分中的残余压缩力改善了表面强度，疲劳寿命，表面硬度，耐应力腐蚀性，耐疲劳性和耐环境开裂性等特性。 激光冲击加工特别适用于高强度管道，钢悬臂立管，顶部拉力梯，螺纹部件，液化天然气集装箱，加压液化天然气集装箱，深水钻井钻柱，立管/套管接头和井口设备。

    Low alloy steels with superior corrosion resistance for oil country tubular goods
    10.
    发明授权
    Low alloy steels with superior corrosion resistance for oil country tubular goods 有权
    低合金钢，具有优异的耐油性能，适用于油井管状物品

    公开(公告)号：US08691030B2

    公开(公告)日：2014-04-08

    申请号：US12600949

    申请日：2008-05-02

    申请人： Dylan V. Pugh ,  Joseph C. Bondos ,  Shiun Ling ,  Raghavan Ayer ,  Shalawn K. Jackson ,  Jayoung Koo ,  Swarupa S. Bangaru

    发明人： Dylan V. Pugh ,  Joseph C. Bondos ,  Shiun Ling ,  Raghavan Ayer ,  Shalawn K. Jackson ,  Narasimha-Rao V. Bangaru ,  Jayoung Koo

    IPC分类号： C22C38/46 ,  C22C38/28 ,  C21D1/18 ,  C21D6/00

    CPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  C22C38/18

    摘要： The present application describes a steel composition that provides enhanced corrosion resistance. This steel composition includes one of vanadium in an amount of 1 wt % to 9 wt %, titanium in an amount of about 1 wt % to 9 wt %, and a combination of vanadium and titanium in an amount of 1 wt % to about 9 wt %. In addition, the steel composition includes carbon in an amount of 0.03 wt % to about 0.45 wt %, manganese in an amount up to 2 wt % and silicon in an amount up to 0.45 wt %. In one embodiment, the steel composition includes a microstructure of one of the following: ferrite, martensite, tempered martensite, dual phase ferrite and martensite, and dual phase ferrite and tempered martensite. Further, the present application describes a method for processing the steel composition and use of equipment such as oil country tubular goods, fabricated with the steel composition.

    摘要翻译： 本申请描述了提供增强的耐腐蚀性的钢组合物。 该钢组合物包括1重量％至9重量％的钒中的一种，约1重量％至9重量％的钛，以及1重量％至约9重量％的钒和钛的组合 重量％。 此外，钢组合物包括0.03重量％至约0.45重量％的碳，最多达2重量％的锰和至多0.45重量％的硅。 在一个实施方案中，钢组合物包括以下之一的微结构：铁素体，马氏体，回火马氏体，双相铁素体和马氏体，以及双相铁素体和回火马氏体。 此外，本申请描述了用钢组合物制造的用于加工钢组合物和使用诸如油井筒状物品的设备的方法。