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1. 发明申请

US20090065102A1 High Strength Seamless Steel Pipe for Machine Structure Use Superior in Toughness and Weldability, and Method of Production of The Same 审中-公开
标题翻译：用于机器结构的高强度无缝钢管使用优良的韧性和可焊性，以及其生产方法
公开(公告)号：US20090065102A1
公开(公告)日：2009-03-12
申请号：US12225579
申请日：2007-03-27
申请人： Yasuhiro Shinohara , Tetsuo Ishitsuka , Kazuhiro Inoue , Bunshi Kato , Teruhisa Takamoto , Junichi Okamoto
发明人： Yasuhiro Shinohara , Tetsuo Ishitsuka , Kazuhiro Inoue , Bunshi Kato , Teruhisa Takamoto , Junichi Okamoto
IPC分类号： C21D11/00 , C22C38/04
CPC分类号： C21D9/085 , C21D8/105 , C21D2211/002 , C21D2211/008
摘要： A high strength seamless steel pipe for machine structure use superior in toughness and weldability characterized by containing, by mass %, C: 0.03 to less than 0.1%, Mn: 0.8 to 2.5%, Ti: 0.005 to 0.035%, Nb: 0.003 to 0.04%, and B: 0.0003 to 0.003%, limiting Si: 0.5% or less, Al: 0.05% or less, P: 0.015% or less, S: 0.008% or less, and N: 0.008% or less, further containing one or more of Ni: 0.1 to 1.5%, Cr: 0.1 to 1.5%, Cu: 0.1 to 1.0%, and Mo: 0.05 to 0.5%, and having a balance of Fe and unavoidable impurities, the metallurgical structure being a single phase structure of self-tempered martensite or a mixed phase structure of self-tempered martensite and lower bainite.
摘要翻译：一种机械结构优良的高强度无缝钢管，其韧性和焊接性优异，其特征在于以质量％计含有：C：0.03〜小于0.1％，Mn：0.8〜2.5％，Ti：0.005〜0.035％，Nb：0.003〜 0.04％，B：0.0003〜0.003％，Si：0.5％以下，Al：0.05％以下，P：0.015％以下，S：0.008％以下，N：0.008％以下，进一步含有 Ni：0.1〜1.5％，Cr：0.1〜1.5％，Cu：0.1〜1.0％，Mo：0.05〜0.5％中的一种或多种，余量为Fe和不可避免的杂质，冶金结构为单相自回火马氏体的结构或自回火马氏体和下贝氏体的混合相结构。

2. 发明申请

US20080295924A1 Steel Sheet Excellent in Workability and Method for Producing the Same 有权
标题翻译：钢板优良的可加工性和生产方法
公开(公告)号：US20080295924A1
公开(公告)日：2008-12-04
申请号：US12185423
申请日：2008-08-04
申请人： Naoki Yoshinaga , Nobuhiro Fujita , Manabu Takahashi , Koji Hashimoto , Shinya Sakamoto , Kaoru Kawasaki , Yasuhiro Shinohara , Takehide Senuma
发明人： Naoki Yoshinaga , Nobuhiro Fujita , Manabu Takahashi , Koji Hashimoto , Shinya Sakamoto , Kaoru Kawasaki , Yasuhiro Shinohara , Takehide Senuma
IPC分类号： C25D5/36 , C22C38/04 , C22C38/02 , C21D8/00 , C21D1/26 , C21D8/02
CPC分类号： C22C38/02 , C21D8/0226 , C21D8/0236 , C21D8/04 , C21D9/48 , C21D2211/002 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/04 , C22C38/06 , C23C2/02 , C25D5/34
摘要： The present invention provides a steel sheet excellent in workability, which may be used for components of an automobile or the like, and a method for producing the same. More specifically, according to one exemplary embodiment of the present invention, a steel sheet excellent in workability, including in mass, 0.08 to 0.25% C, 0.001 to 1.5% Si, 0.01 to 2.0% Mn, 0.001 to 0.06% P, at most 0.05% S, 0.001 to 0.007% N, 0.008 to 0.2% Al, at least 0.01% Fe. The steel sheet having an average r-value of at least 1.2, an r-value in the rolling direction of at least 1.3, an r-value in the direction of 45 degrees to the rolling direction of at least 0.9, and an r-value in the direction of a right angle to the rolling direction of at least 1.2.
摘要翻译：本发明提供可以用于汽车等的部件的加工性优异的钢板及其制造方法。更具体地说，根据本发明的一个示例性实施方案，可加工性优异的钢板，包括：0.08〜0.25％的C，0.001〜1.5％的Si，0.01〜2.0％的Mn，0.001〜0.06％的P， 0.05％S，0.001至0.007％N，0.008至0.2％Al，至少0.01％Fe。钢板的平均r值为1.2以上，轧制方向的r值为1.3以上，轧制方向为45度的r值为0.9以上，r- 在与滚动方向成直角的方向上的值至少为1.2。

3. 发明授权

US08070887B2 High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same 有权
标题翻译：可变形性优异的高强度钢板和高强度钢管及其制造方法
公开(公告)号：US08070887B2
公开(公告)日：2011-12-06
申请号：US10410014
申请日：2003-04-09
申请人： Hitoshi Asahi , Yasuhiro Shinohara , Takuya Hara
发明人： Hitoshi Asahi , Yasuhiro Shinohara , Takuya Hara
IPC分类号： C21D9/08 , C22C38/00 , C22C38/18
CPC分类号： C22C38/04 , C21D8/0226 , C21D8/0263 , C21D2211/002 , C21D2211/005 , C22C38/001 , C22C38/02 , C22C38/12 , C22C38/14
摘要： The present invention provides a line pipe of, e.g., the API standard X60 to X100 class. The line pipe has an excellent deformability, as well as excellent low temperature toughness and high productivity, a steel plate used as the material of the steel pipe. Methods for producing the steel pipe and the steel plate are also provided. In particular, a high-strength steel plate excellent in the deformability has a ferrite phase is dispersed finely, and accounts for 5% to 40% in area percentage in a low temperature transformation structure mainly composed of a bainite phase. For example, most grain sizes of the ferrite phase are smaller than the average grain size of the bainite phase. A high-strength steel pipe excellent in deformability is also provided, in which a large diameter steel pipe is produced through forming the steel plate into a pipe shape. The steel pipe has the above-referenced structure, and satisfies the conditions that YS/TS is 0.95 or less and YS×uEL is 5,000 or more. Methods for producing such steel plate and steel pipe are also provided.
摘要翻译：本发明提供了例如API标准X60至X100类的管线管。线管具有优异的变形性，以及优异的低温韧性和高生产率，用作钢管材料的钢板。还提供了生产钢管和钢板的方法。特别是，在主要由贝氏体相组成的低温转变结构中，变形性优异的高强度钢板的铁素体相分散细小，占面积率的5〜40％。例如，铁素体相的大部分晶粒尺寸小于贝氏体相的平均晶粒尺寸。还提供了一种变形能力优异的高强度钢管，其中通过将钢板形成管状而制造大直径钢管。钢管具有上述结构，满足YS / TS为0.95以下，YS×uEL为5000以上的条件。还提供了生产这种钢板和钢管的方法。

4. 发明申请

US20110148102A1 LIQUID PHASE DIFFUSION BONDED PIPE JOINT AND METHOD OF PRODUCTION OF SAME (As Amended) 有权
标题翻译：液相扩张接头管接头及其生产方法（已修改）
公开(公告)号：US20110148102A1
公开(公告)日：2011-06-23
申请号：US12737847
申请日：2009-08-19
申请人： Eiji Tsure , Yasushi Hasegawa , Yasuhiro Shinohara , Yuichi Sato
发明人： Eiji Tsure , Yasushi Hasegawa , Yasuhiro Shinohara , Yuichi Sato
IPC分类号： F16L25/00 , B23K20/02 , B23K20/16
CPC分类号： B23K20/023 , B23K20/002 , B23K33/006 , B23K2101/06 , F16L13/0227
摘要： A liquid phase diffusion bonded pipe joint comprised of metal pipes or a metal pipe and a joint pipe joined by liquid phase diffusion bonding, and a method of production of the same, the liquid phase diffusion bonded pipe joint comprised of a metal joint provided with a tapered slanted part press-fit into an end of a metal pipe by a thrust in a pipe axial direction while expanding the metal pipe in inside diameter and tightly engaging with the end and a joining surface part continuing from the tapered slanted part and joined with an end face of the metal pipe by liquid phase diffusion bonding and a metal pipe tightly engaging with the tapered slanted part in the expanded state and with an end face joined with the joining surface part by liquid phase diffusion bonding.
摘要翻译：一种由金属管或金属管构成的液相扩散接合管接头和通过液相扩散接合接合的接合管及其制造方法，液相扩散接合管接头包括金属接头，锥形倾斜部分通过管轴向的推力压入金属管的端部，同时使金属管内径扩大并与端部紧密接合，以及接合表面部分从锥形倾斜部分延伸并与通过液相扩散接合的金属管的端面和与膨胀状态的锥形倾斜部紧密接合的金属管，并且通过液相扩散接合与接合面部连接的端面。

5. 发明授权

US06913842B2 Liquid phase diffusion welded metal-made precision machine component and production method thereof 失效
标题翻译：液相扩散焊接金属精密机组件及其制造方法
公开(公告)号：US06913842B2
公开(公告)日：2005-07-05
申请号：US10031369
申请日：2001-05-18
申请人： Yasushi Hasegawa , Yasuhiro Shinohara , Yutaka Takagi
发明人： Yasushi Hasegawa , Yasuhiro Shinohara , Yutaka Takagi
IPC分类号： B23K13/01 , B23K20/02 , B23K20/16 , B23K20/18 , B23K35/00 , B23K35/30 , B32B15/04 , B32B3/10 , B32B3/20 , B32B15/18
CPC分类号： C22C38/002 , B23K13/01 , B23K20/023 , B23K20/16 , B23K20/18 , B23K35/001 , B23K35/002 , B23K35/004 , B23K35/005 , B23K35/3033 , B23K35/3093 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/14 , C22C38/18 , Y10T428/12819 , Y10T428/12937 , Y10T428/12951 , Y10T428/12979 , Y10T428/24562 , Y10T428/24744
摘要： A precision machine part is made of a plurality of pieces with a transient liquid phase diffusion bonding alloy provided between the pieces to bond them together. The precision machine part has one or more conveyance passages formed in it, has a longitudinal axis and is configured to permit passage of liquid or gas through the conveyance passage from a pipe line or cylinder. The pieces of the precision machine part are adhered to each other by transient liquid phase bonding with a ribbon of an amorphous bonding alloy. The bonding alloy can contain 1 to 10 atomic % V or can contain 1 to 15 atomic % of B or P or a mixture of B and P and 1 to 10 atomic % V, the balance being Fe and unavoidable impurities, and can exhibit an amount of contraction in a bonding stress loading direction caused by plastic deformation in the bonding process of not more than 5%. The bonding alloy may be an amorphous Ni-based alloy.
摘要翻译：精密机械部件由多个片材构成，其中设置有两个片之间的瞬态液相扩散接合合金，以将它们结合在一起。精密机械部件具有形成在其中的一个或多个输送通道，具有纵向轴线并且构造成允许液体或气体从管线或圆筒通过输送通道。精密机械部件通过与非晶接合合金带的瞬态液相接合而相互粘合。接合合金可以含有1至10原子％V或可含有1至15原子％的B或P，或B或P的混合物和1至10原子％的V，余量为Fe和不可避免的杂质，并且可以显示出接合过程中由塑性变形引起的接合应力加载方向的收缩量不大于5％。接合合金可以是非晶Ni基合金。

6. 发明授权

US06632296B2 Steel pipe having high formability and method for producing the same 失效
标题翻译：成形性高的钢管及其制造方法
公开(公告)号：US06632296B2
公开(公告)日：2003-10-14
申请号：US10049481
申请日：2002-02-06
申请人： Naoki Yoshinaga , Nobuhiro Fujita , Manabu Takahashi , Yasuhiro Shinohara , Tohru Yoshida , Natsuko Sugiura
发明人： Naoki Yoshinaga , Nobuhiro Fujita , Manabu Takahashi , Yasuhiro Shinohara , Tohru Yoshida , Natsuko Sugiura
IPC分类号： C22C3802
CPC分类号： C22C38/04 , C21D8/10 , C21D2201/00 , C21D2201/05 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/06 , Y10S148/909
摘要： The present invention provides a steel pipe excellent in formability during hydraulic forming and the like and a method to produce the same, and more specifically: a steel pipe excellent in formability having an r-value of 1.4 or larger in the axial direction of the steel pipe, and the property that the average of the ratios of the X-ray intensity in the orientation component group of {110} to {332} on the plane at the center of the steel pipe wall thickness to the random X-ray intensity is 3.5 or larger, and/or the ratio of the X-ray intensity in the orientation component of {110} on the plane at the center of the steel pipe wall thickness to the random X-ray intensity is 5.0 or larger; and a method to produce a steel pipe excellent in formability characterized by heating the steel pipe having the property that the ratio of the X-ray intensity in every one of the orientation components of {001} , {116} , {114} and {112} on the plane at the center of the mother pipe wall thickness to the random X-ray intensity is 3 or smaller to a temperature in the range from 650 to 1,200° C. and by applying working under a condition of a diameter reduction ratio of 30% or more and a wall thickness reduction ratio of 5 to 30%.
摘要翻译：本发明提供一种在液压成形等中成形性优异的钢管及其制造方法，更具体地说，在钢的轴向上具有r值为1.4以上的成形性优异的钢管管子，以及在钢管壁厚度的中心的平面上{110} <110> <{115} <110>的取向成分组中的X射线强度的比率的平均值相对于随机X射线强度为3.5以上，和/或在钢管壁厚中心的平面上{110} <110>的取向成分中的X射线强度与随机X射线强度为5.0以上; 以及生产成型性优良的钢管的制造方法，其特征在于，加热具有{001} <110>，{116} <110>的各取向成分的X射线强度的比例的钢管，在母管壁厚度中心的平面上的随机X射线强度的{114} <110>和{112} <110>为650以上1200℃以下的温度。并且通过在直径减小率为30％以上，壁厚减少率为5〜30％的条件下进行加工。

7. 发明授权

US08871039B2 Thick welded steel pipe excellent in low temperature toughness, manufacturing method of thick welded steel pipe excellent in low temperature toughness, and steel plate for manufacturing thick welded steel pipe 有权
标题翻译：低温韧性优良的优质焊接钢管，低温韧性优良的厚焊接钢管制造方法，厚钢焊接钢管制造用钢板
公开(公告)号：US08871039B2
公开(公告)日：2014-10-28
申请号：US13509495
申请日：2011-09-13
申请人： Yasuhiro Shinohara , Takuya Hara , Naoki Doi , Eiichi Yamashita
发明人： Yasuhiro Shinohara , Takuya Hara , Naoki Doi , Eiichi Yamashita
IPC分类号： C22C38/48 , C22C38/50 , C21D8/10 , C22C38/26 , C22C38/24 , C21D9/08 , B23K35/24 , C22C38/16 , C22C38/02 , C22C38/00 , C22C38/06 , B23K35/30 , B23K9/025 , C22C38/12 , C22C38/08 , C22C38/14 , B23K9/18 , C22C38/04 , C21D8/02
CPC分类号： C21D9/08 , B23K9/0253 , B23K9/186 , B23K35/3053 , B23K35/3073 , B23K2101/06 , B23K2103/04 , C21D8/02 , C21D8/105 , C21D2211/001 , C21D2211/005 , C22C38/00 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , Y10S148/909
摘要： The present invention provides a thick welded steel pipe excellent in low temperature toughness in which contents of Mn and Mo satisfy (Expression 1) below, Pcm obtained by (Expression 2) below is 0.16 to 0.19, and a metal structure of a base material steel plate consists of ferrite being 30 to 95% in an area ratio and a low temperature transformation structure, and in a metal structure of a coarse-grained HAZ, an area ratio of grain boundary ferrite is 1.5% or more, the total area ratio of the grain boundary ferrite and intragranular ferrite is not less than 11% nor more than 90%, an area ratio of MA is 10% or less, and its balance is composed of bainite. 1.2325≦(0.85×[Mn]−[Mo])≦1.5215 (Expression 1) and Pcm=[C]+[Si]/30+([Mn]+[Cu]+[Cr])/20+[Ni]/60+[Mo]/15+[V]/10 (Expression 2).
摘要翻译：本发明提供了下述（式（2））得到的Mn和Mo含量满足（表达式1），Pcm为0.16〜0.19的低温韧性优良的厚焊接钢管，基材钢平板由面积比为30〜95％的铁素体和低温相变结构组成，在粗粒HAZ的金属结构中，晶界铁素体的面积比为1.5％以上，总面积比为晶界铁素体和晶内铁素体不小于11％，不大于90％，MA的面积比为10％以下，平衡度由贝氏体组成。 1.2325＆nlE;（0.85×[Mn] - [Mo]）＆nlE; 1.5215（表达式1）和Pcm = [C] + [Si] / 30 +（[Mn] + [Cu] + [Cr] [Ni] / 60 + [Mo] / 15 + [V] / 10（表达式2）。

8. 发明授权

US08685182B2 High-strength steel pipe and producing method thereof 有权
标题翻译：高强度钢管及其制造方法
公开(公告)号：US08685182B2
公开(公告)日：2014-04-01
申请号：US13261070
申请日：2010-06-10
申请人： Kensuke Nagai , Yasuhiro Shinohara , Shinya Sakamoto , Takuya Hara , Hitoshi Asahi
发明人： Kensuke Nagai , Yasuhiro Shinohara , Shinya Sakamoto , Takuya Hara , Hitoshi Asahi
IPC分类号： C22C38/48 , C22C38/50 , C21D8/10
CPC分类号： C22C38/04 , C21D8/02 , C21D9/08 , C21D2211/002 , C22C38/001 , C22C38/06 , C22C38/26 , C22C38/28 , C22C38/42 , C22C38/44 , C22C38/48 , C22C38/50 , C22C38/58
摘要： This high-strength steel pipe includes, by mass %, C: 0.02% to 0.09%, Mn: 0.4% to 2.5%, Cr: 0.1% to 1.0%, Ti: 0.005% to 0.03%, Nb: 0.005% to 0.3%, and a balance consisting of Fe and inevitable impurities, in which Si, Al, P, S, and N are limited to 0.6% or less, 0.1% or less, 0.02% or less, 0.005% or less, 0.008% or less, respectively, the bainite transformation index BT is 650° C. or less, and the microstructure thereof is a single bainite microstructure including first bainite and second bainite, the first bainite being a gathered microstructure of bainitic ferrite including no carbide, and the second bainite being a mixed microstructure of bainitic ferrite including no carbide and cementite between the bainitic ferrites.
摘要翻译：该高强度钢管以质量％计含有C：0.02％〜0.09％，Mn：0.4〜2.5％，Cr：0.1〜1.0％，Ti：0.005〜0.03％，Nb：0.005〜0.3 ％，余量由Fe和不可避免的杂质组成，其中Si，Al，P，S和N分别为0.6％以下，0.1％以下，0.02％以下，0.005％以下，0.008％以下贝氏体相变指数BT分别为650℃以下，其微观结构为包括第一贝氏体和第二贝氏体的单贝氏体组织，第一贝氏体为不含碳化物的贝氏体铁素体的集聚组织，第二贝氏体组织贝氏体是贝氏体铁素体之间不含碳化物和渗碳体的贝氏体铁素体的混合微观结构。

9. 发明授权

US07534312B2 Steel plate exhibiting excellent workability and method for producing the same 有权
标题翻译：表现出优异的可加工性的钢板及其制造方法
公开(公告)号：US07534312B2
公开(公告)日：2009-05-19
申请号：US10487797
申请日：2002-06-27
申请人： Naoki Yoshinaga , Nobuhiro Fujita , Manabu Takahashi , Koji Hashimoto , Shinya Sakamoto , Kaoru Kawasaki , Yasuhiro Shinohara , Takehide Senuma
发明人： Naoki Yoshinaga , Nobuhiro Fujita , Manabu Takahashi , Koji Hashimoto , Shinya Sakamoto , Kaoru Kawasaki , Yasuhiro Shinohara , Takehide Senuma
IPC分类号： C22C38/02 , C22C38/04 , C22C38/06
CPC分类号： C22C38/02 , C21D8/0226 , C21D8/0236 , C21D8/04 , C21D9/48 , C21D2211/002 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/04 , C22C38/06 , C23C2/02 , C25D5/34
摘要： The present invention provides a steel sheet excellent in workability, which may be used for components of an automobile or the like, and a method for producing the same. More specifically, according to one exemplary embodiment of the present invention, a steel sheet excellent in workability, including in mass, 0.08 to 0.25% C, 0.001 to 1.5% Si, 0.01 to 2.0% Mn, 0.001 to 0.06% P, at most 0.05% S, 0.001 to 0.007% N, 0.008 to 0.2% Al, at least 0.01% Fe. The steel sheet having an average r-value of at least 1.2, an r-value in the rolling direction of at least 1.3, an r-value in the direction of 45 degrees to the rolling direction of at least 0.9, and an r-value in the direction of a right angle to the rolling direction of at least 1.2.
摘要翻译：本发明提供可以用于汽车等的部件的加工性优异的钢板及其制造方法。更具体地说，根据本发明的一个示例性实施方案，可加工性优异的钢板，包括：0.08〜0.25％的C，0.001〜1.5％的Si，0.01〜2.0％的Mn，0.001〜0.06％的P， 0.05％S，0.001至0.007％N，0.008至0.2％Al，至少0.01％Fe。钢板的平均r值为1.2以上，轧制方向的r值为1.3以上，轧制方向为45度的r值为0.9以上，r- 在与滚动方向成直角的方向上的值至少为1.2。

10. 发明申请

US20090025835A1 High Strength Steel Plate and High Strength Welded Pipe Excellent in Ductile Fracture Characteristic and Methods of Production of Same 有权
标题翻译：高强度钢板和高强度焊接管优异的韧性断裂特性及其生产方法
公开(公告)号：US20090025835A1
公开(公告)日：2009-01-29
申请号：US11887885
申请日：2005-04-19
申请人： Takuya Hara , Yasuhiro Shinohara , Hitoshi Asahi , Yoshio Terada
发明人： Takuya Hara , Yasuhiro Shinohara , Hitoshi Asahi , Yoshio Terada
IPC分类号： C21D9/08 , C22C38/04 , C22C38/08 , C22C38/20 , C22C38/32 , C22C38/44
CPC分类号： C22C38/02 , C21D8/0205 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C22C38/42 , C22C38/44 , C22C38/58
摘要： The present invention provides high strength steel plate and high strength welded pipe excellent in ductile fracture characteristic and methods of production of the same, that is, high strength steel plate excellent in ductile fracture characteristic, and high strength welded pipe using that steel plate as a base material, having a tensile strength corresponding to the X100 class of the API standard, containing, by mass %, C: 0.01 to 0.5%, Si: 0.01 to 3%, Mn: 0.1 to 5%, P: 0.03% or less, and S: 0.03% or less and a balance of Fe and unavoidable impurities, having a microstructure comprised of, by area ratio, 1 to 60% of ferrite and the balance of bainite and martensite, having a maximum value of the {100} accumulation degree of the cross-section rotated 20 to 50° from the plate thickness cross-section about the rolling direction as an axis of 3 or less, and having plate thickness parallel cracks measured by ultrasonic flaw detection of less than 1 mm.
摘要翻译：本发明提供了具有优异的延性断裂特性的高强度钢板和高强度焊接管及其制造方法，即延性断裂特性优异的高强度钢板，以及使用该钢板作为基材，具有对应于API标准的X100等级的拉伸强度，以质量％计含有C：0.01〜0.5％，Si：0.01〜3％，Mn：0.1〜5％，P：0.03％以下，S：0.03％以下，余量为Fe和不可避免的杂质，其微结构由面积比为1〜60％的铁素体和余量的贝氏体和马氏体构成，其最大值为{100} 横截面从作为轴线的轧制方向的板厚横截面旋转20至50°的横截面的累积度为3以下，并且通过超声波探伤小于1mm测量的板厚平行裂纹。

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