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11. 发明授权

US5049210A Oil Country Tubular Goods or a line pipe formed of a high-strength martensitic stainless steel 失效
标题翻译：石油国家管状物品或由高强度马氏体不锈钢形成的管线
公开(公告)号：US5049210A
公开(公告)日：1991-09-17
申请号：US480599
申请日：1990-02-15
申请人： Akihiro Miyasaka , Hiroyuki Ogawa
发明人： Akihiro Miyasaka , Hiroyuki Ogawa
IPC分类号： C21D6/00 , C22C38/00 , C22C38/20
CPC分类号： C21D6/002 , C22C38/001 , C22C38/20 , Y10S148/909 , Y10T428/12292
摘要： A high-strength martensitic stainless steel excellent in corrosion resistance and stress corrosion cracking resistance, the composition of which comprises: 0.1% or less carbon, 1% or less silicon, 2% or less manganese, 8-14% chromium, 1.2-4.5% copper, 0.005-0.2% aluminum, 0.01-0.15% nitrogen, and the balance of iron except incidental elements. The stainless steel can contain nickel, molybdenum, tungsten, vanadium, titanium, niobium, etc. under the fixed conditions in addition to the above elements. The heat treatment of the stainless steel comprises: the step of austenitizing at temperatures of 920.degree. C. to 1,000.degree. C., the step of cooling at a cooling rate equal to or higher than the air cooling rate, the step of tempering at temperatures between 580.degree. C. and A.sub.cl point, and the step of cooling at a cooling rate higher than the air cooling rate.

12. 发明授权

US09109275B2 High-strength galvanized steel sheet and method of manufacturing the same 有权
标题翻译：高强度镀锌钢板及其制造方法
公开(公告)号：US09109275B2
公开(公告)日：2015-08-18
申请号：US13392455
申请日：2010-08-31
申请人： Yasuhide Morimoto , Nobuhiro Fujita , Akihiro Miyasaka , Kazuhiko Honda , Masafumi Azuma , Noriyuki Suzuki , Toshiki Nonaka
发明人： Yasuhide Morimoto , Nobuhiro Fujita , Akihiro Miyasaka , Kazuhiko Honda , Masafumi Azuma , Noriyuki Suzuki , Toshiki Nonaka
IPC分类号： C23C2/28 , C23C2/06 , B22D11/115 , C21D1/74 , C21D1/76 , C21D9/46 , C22C18/04 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/26 , B32B15/01 , C22C38/12 , C22C38/14 , C22C7/00 , B22D27/02 , B32B15/00
CPC分类号： C23C2/06 , B22D11/115 , B32B15/013 , C21D1/74 , C21D1/76 , C21D9/46 , C21D2211/004 , C22C18/04 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C23C2/02 , C23C2/26 , Y10T428/12799
摘要： Provided is a galvanized steel sheet having a tensile strength of 770 MPa or more including a steel sheet portion, and a plated layer formed on the surface of the steel sheet portion, in which the plated layer is a galvanized plated layer or an galvannealed plated layer, the steel sheet portion has a soft layer that directly adjoins the interface with the plated layer and an inside layer that is other than the soft layer, the thickness D of soft layer is 0.001% to 5% of thickness t of the steel sheet portion, and, when the hardness of the soft layer measured by nano-indentation method is indicated by H1, and the representative hardness of the steel sheet portion measured by the nano-indentation method is indicated by Ha in cross section that goes along the thickness direction of the steel sheet portion, H1 is 5% to 75% of Ha.
摘要翻译：本发明提供一种抗拉强度为770MPa以上的镀锌钢板，其特征在于，包括钢板部，以及形成在钢板部的表面上的镀层，镀层为镀锌层或镀锌层钢板部具有与镀层的界面直接相邻的软层和软质层以外的内层，软质层的厚度D为钢板部的厚度t的0.001〜5％，并且当通过纳米压痕法测量的软质层的硬度由H1表示时，通过纳米压痕法测量的钢板部分的代表性硬度由沿着厚度方向的横截面Ha表示的钢板部分，H1为Ha的5〜75％。

13. 发明授权

US08057913B2 Steel sheet having high young'S modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young'S modulus and methods for manufacturing the same 有权
标题翻译：具有高年轻模量的钢板，使用该钢板的热浸镀锌钢板，合金化热浸镀锌钢板，具有高的年轻模量的钢管及其制造方法
公开(公告)号：US08057913B2
公开(公告)日：2011-11-15
申请号：US11572693
申请日：2005-07-27
申请人： Natsuko Sugiura , Naoki Yoshinaga , Shunji Hiwatashi , Manabu Takahashi , Koji Hanya , Nobuyoshi Uno , Ryoichi Kanno , Akihiro Miyasaka , Takehide Senuma
发明人： Natsuko Sugiura , Naoki Yoshinaga , Shunji Hiwatashi , Manabu Takahashi , Koji Hanya , Nobuyoshi Uno , Ryoichi Kanno , Akihiro Miyasaka , Takehide Senuma
IPC分类号： B32B15/18
CPC分类号： C21D9/46 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C23C2/02 , C23C2/06 , C23C2/28 , Y10T428/12 , Y10T428/1266 , Y10T428/12799
摘要： One aspect of the steel sheet having high Young's modulus includes in terms of mass %, C: 0.0005 to 0.30%, Si: 2.5% or less, Mn: 2.7 to 5.0%, P: 0.15% or less, S: 0.015% or less, Mo: 0.15 to 1.5%, B: 0.0006 to 0.01%, and Al: 0.15% or less, with the remainder being Fe and unavoidable impurities, wherein one or both of {110} pole density and {110} pole density in the ⅛ sheet thickness layer is 10 or more, and a Young's modulus in a rolling direction is more than 230 GPa. Another aspect of the steel sheet having high Young's modulus includes, in terms of mass %, C: 0.0005 to 0.30%, Si: 2.5% or less, Mn: 0.1 to 5.0%, P: 0.15% or less, S: 0.015% or less, Al: 0.15% or less, N: 0.01% or less, and further comprises one or two or more of Mo: 0.005 to 1.5%, Nb: 0.005 to 0.20%, Ti: at least 48/14×N (mass %) and 0.2% or less, and B: 0.0001 to 0.01%, at a total content of 0.015 to 1.91 mass %, with the remainder being Fe and unavoidable impurities, wherein the {110} pole density and/or the {110} pole density in the ⅛ sheet thickness layer is 10 or more, and a Young's modulus in a rolling direction is more than 230 GPa.
摘要翻译：具有高杨氏模量的钢板的一个方面包括质量％，C：0.0005〜0.30％，Si：2.5％以下，Mn：2.7〜5.0％，P：0.15％以下，S：0.015％或较少，Mo：0.15〜1.5％，B：0.0006〜0.01％，Al：0.15％以下，余量为Fe和不可避免的杂质，其中{110} <223>极点和{110} ⅛板厚层中的<111>极密度为10以上，轧制方向的杨氏模量大于230GPa。具有高杨氏模量的钢板的另一方面包括以质量％表示的C：0.0005〜0.30％，Si：2.5％以下，Mn：0.1〜5.0％，P：0.15％以下，S：0.015％以下，Al：0.15％以下，N：0.01％以下，进一步含有Mo：0.005〜1.5％，Nb：0.005〜0.20％，Ti：至少48/14×N（质量％）和0.2％以下，B：0.0001〜0.01％，总含量为0.015〜1.91质量％，余量为Fe和不可避免的杂质，其中{110} <223>极密度和/或 ⅛板厚层的{110} <111>极密度为10以上，轧制方向的杨氏模量大于230GPa。

14. 发明授权

US5820703A Production method of steel pipe excellent in corrosion resistance and weldability 失效
标题翻译：耐腐蚀性和焊接性优良的钢管生产方法
公开(公告)号：US5820703A
公开(公告)日：1998-10-13
申请号：US750758
申请日：1996-12-13
申请人： Yasushi Suzuki , Masaaki Obata , Akihiro Miyasaka
发明人： Yasushi Suzuki , Masaaki Obata , Akihiro Miyasaka
IPC分类号： C21D8/10 , C21D8/02 , C21D9/08 , C22C38/00 , C22C38/38 , C22C38/58
CPC分类号： C21D8/0205 , C22C38/00 , C21D2211/008 , C21D8/105
摘要： A steel pipe having excellent corrosion resistance in an environment containing wet carbon dioxide and a small amount of hydrogen sulfide and having also excellent weldability is produced at a low production cost and with high productivity. The production method comprises heating to a temperature of 1,050.degree. to 1,300.degree. C. a slab containing, in terms of wt %, 0.01 to less than 1.2% of Si, 0.02 to 3.0% of Mn, 7.5 to 14.0% of Cr and 0.005 to 0.5% of Al, reduced C, N, P and S contents, at least one of Cu, Ni, Co, Mo and W, a balance of Fe and unavoidable impurities, and having an MC value of at least 0, finishing hot rolling within an austenite monophase temperature range, coiling the steel sheet as a hot coil having a sheet thickness of 3.0 to 25.4 mm, cooling the coil at a cooling rate of at least 0.01.degree. C./sec to at least 500.degree. C. to convert the steel sheet to a steel substantially consisting of martensite, reheating the steel to a temperature of 550.degree. C. to not more than an A.sub.c1 transformation point, holding it for at least 15 minutes, cooling the steel web to a normal temperature, cutting it into a predetermined width, and welding both ends of the steel by electric resistance welding while the steel coil is continuously shaped into a cylindrical shape.
摘要翻译：在生产成本低，生产率高的条件下，生产含有湿二氧化碳和少量硫化氢，焊接性优异的环境中具有优良耐腐蚀性的钢管。该制造方法包括将其加热至1050℃〜1300℃的温度，以重量％计含有Si：0.01〜1.2％，Mn：0.02〜3.0％，Cr：7.5〜14.0％，0.005 至0.5％的Al，C，N，P和S含量降低，Cu，Ni，Co，Mo和W中的至少一种，余量的Fe和不可避免的杂质，MC值至少为0，热处理在奥氏体单相温度范围内轧制，将钢板卷绕成板厚为3.0〜25.4mm的热卷材，以至少0.01℃/秒的冷却速度将线圈冷却至至少500℃至将钢板转化为基本上由马氏体组成的钢，将钢再加热到550℃至不超过Ac1相变点，保持至少15分钟，将钢网冷却至常温，切割在规定的宽度内，通过电阻焊接将钢的两端焊接在钢卷上细致成型为圆柱形。

15. 发明授权

US5017246A Martensitic stainless steels excellent in corrosion resistance and stress corrosion cracking resistance and method of heat treatment of the steels 失效
标题翻译：耐腐蚀性和耐应力腐蚀开裂性优异的马氏体不锈钢和钢的热处理方法
公开(公告)号：US5017246A
公开(公告)日：1991-05-21
申请号：US487116
申请日：1990-03-02
申请人： Akihiro Miyasaka , Hiroyuki Ogawa
发明人： Akihiro Miyasaka , Hiroyuki Ogawa
IPC分类号： C22C38/00 , C21D6/00 , C22C38/38 , C22C38/50
CPC分类号： C22C38/38 , Y10S148/909
摘要： A high-strength martensitic stainless steel excellent in corrosion resistance and stress corrosion cracking resistance, the composition of which comprises: under 0.03% carbon, 1% or less silicon, 2.3-7.0% manganese, 8-14% chromium, 0.005-0.2% aluminum, 0.005-0.15% nitrogen, and the balance of iron except incidental elements. The stainless steel can contain nickel, molybdenum, tungsten, copper, vanadium, titanium, niobium, zirconium, tanatalum, hafnium, calcium and rare earth elements under the fixed conditions in addition to the above elements. Heat treatment of the stainless steel comprises: the step of austenitizing at temperatures of 920.degree. C. to 1,100.degree. C., the step of cooling at a cooling rate equal to or higher than the air cooling rate, the step of tempering at temperatures between 580.degree. C. and A.sub.cl point, and the step of cooling at a cooling rate equal to or higher than the air cooling rate.

16. 发明授权

US4966748A Methods of producing clad metals 失效
标题翻译：生产复合金属的方法
公开(公告)号：US4966748A
公开(公告)日：1990-10-30
申请号：US490704
申请日：1990-03-07
申请人： Akihiro Miyasaka , Hiroyuki Ogawa
发明人： Akihiro Miyasaka , Hiroyuki Ogawa
IPC分类号： B22F3/24 , B22F3/04 , B22F3/12 , B22F3/14 , B22F3/15 , B22F7/04 , B22F7/08 , C23C24/10
CPC分类号： C23C24/106 , B22F3/1266 , B22F7/08
摘要： A clad metal is produced by forming a layer of a dissimilar metal powder on the surface of a base metal by cold fixing the powder to the surface under pressure, densing only the surface and a subsurface area of the layer of the dissimilar metal powder by melting and immediately solidifying in a vacuum, compressing the layer of the dissimilar metal powder together with the base metal at a temperature not higher than the solidus-line temperature of the two dissimilar metals under a pressure of not lower than 300 kgf/cm.sup.2 (or 29.4 MPa) using a hot isostatic press, and hot working the layer of the dissimilar metal powder together with the base metal.

17. 发明申请

US20120077051A1 STEEL SHEET HAVING HIGH YOUNG'S MODULUS, HOT-DIP GALVANIZED STEEL SHEET USING THE SAME, ALLOYED HOT-DIP GALVANIZED STEEL, SHEET, STEEL PIPE HAVING HIGH YOUNG'S MODULUS, AND METHODS FOR MANUFACTURING THE SAME 有权
标题翻译：具有高年龄模具，热镀锌钢板的钢板，合金热镀锌钢板，具有高强度模块的钢管及其制造方法
公开(公告)号：US20120077051A1
公开(公告)日：2012-03-29
申请号：US13245295
申请日：2011-09-26
申请人： Natsuko Sugiura , Naoki Yoshinaga , Shunji Hiwatashi , Manabu Takahashi , Koji Hanya , Nobuyoshi Uno , Ryoichi Kanno , Akihiro Miyasaka , Takehide Senuma
发明人： Natsuko Sugiura , Naoki Yoshinaga , Shunji Hiwatashi , Manabu Takahashi , Koji Hanya , Nobuyoshi Uno , Ryoichi Kanno , Akihiro Miyasaka , Takehide Senuma
IPC分类号： B22D7/00 , B21B1/38 , B32B15/00
CPC分类号： C21D9/46 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C23C2/02 , C23C2/06 , C23C2/28 , Y10T428/12 , Y10T428/1266 , Y10T428/12799
摘要： In an embodiment of a steel sheet having high Young's modulus, the steel can include in terms of mass %, e.g., C: 0.0005 to 0.30%, Si: 2.3% or less, Mn: 2.7 to 5.0%, P: 0.15% or less, 0.015% or less, Mo: 0.15 to 1.5%, B: 0.0006 to 0.01%, and Al: 0.15% or less, with the remainder being Fe and unavoidable impurities. One or both of {110} pole density and {110} pole density in the ⅛ sheet thickness layer can be 10 or more, and a Young's modulus in a rolling direction can be more than 230 GPa. Other embodiments can include, e.g., Mn: 0.1 to 5.0%, N: 0.01% or less, and one or more of Mo: 0.005 to 1.5%, Nb: 0.005 to 0.20%, Ti: at least 48/14×N (mass %) and 0.2% or less, and B: 0.0001 to 0.01%, at a total content of 0.015 to 1.91 mass %.
摘要翻译：在具有高杨氏模量的钢板的实施例中，钢可以以质量％计，例如C：0.0005〜0.30％，Si：2.3％以下，Mn：2.7〜5.0％，P：0.15％， 0.015％以下，Mo：0.15〜1.5％，B：0.0006〜0.01％，Al：0.15％以下，余量为Fe和不可避免的杂质。 ⅛板厚层中{110} <223>极密度和{110} <111>极密度中的一个或两个可以为10以上，并且轧制方向的杨氏模量可以大于230GPa。其他实施方式可以包括例如Mn：0.1〜5.0％，N：0.01％以下，Mo：0.005〜1.5％，Nb：0.005〜0.20％，Ti：至少48/14×N（质量％）和0.2％以下，B：0.0001〜0.01％，总含量为0.015〜1.91质量％。

18. 发明申请

US20090272467A1 High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same 有权
标题翻译：具有耐变形性的耐疲劳性，耐腐蚀性，延展性，电镀粘合性的高强度热浸镀锌钢板和热浸镀锌钢板及其制造方法
公开(公告)号：US20090272467A1
公开(公告)日：2009-11-05
申请号：US12456120
申请日：2009-06-10
申请人： Nobuhiro Fujita , Masafumi Azuma , Manabu Takahashi , Yasuhide Morimoto , Masao Kurosaki , Akihiro Miyasaka
发明人： Nobuhiro Fujita , Masafumi Azuma , Manabu Takahashi , Yasuhide Morimoto , Masao Kurosaki , Akihiro Miyasaka
IPC分类号： C23C2/02 , C23C2/06
CPC分类号： C23C2/40 , C23C2/02 , C23C2/28 , Y10S428/939 , Y10T428/12799
摘要： The present invention provides: a high-strength high-ductility hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having high fatigue resistance and corrosion resistance; a high-strength hot-dip galvanized steel sheet excellent in ductility, which improves non-plating defects and plating adhesion after severe deformation, and a method of producing the same; a high-strength and high-ductility hot-dip galvanized steel sheet having high fatigue resistance and corrosion resistance; a high-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having superior appearance and workability, which suppresses the generation of non-plating defects, and a method of producing the same; and a high-strength hot-dip galvannealed steel sheet and a high-strength hot-dip galvanized steel sheet, which suppress non-plating defects and surface defects and have both corrosion resistance, in particular corrosion resistance in an environment containing chlorine ion, and high ductility, and a method of producing the same.
摘要翻译：本发明提供：具有高耐疲劳性和耐腐蚀性的高强度高延展性热浸镀锌钢板和热浸镀锌钢板; 延展性优异的高强度热浸镀锌钢板及其制造方法，其改善了非电镀缺陷和电镀附着力。具有高耐疲劳性和耐腐蚀性的高强度和高延展性热浸镀锌钢板; 具有优异的外观和加工性的高强度热浸镀锌钢板和热浸镀锌钢板，其抑制非电镀缺陷的产生及其制造方法。以及抑制非电镀缺陷和表面缺陷并且在含有氯离子的环境中具有耐腐蚀性，特别是耐腐蚀性的高强度热浸镀锌锌钢板和高强度热浸镀锌钢板，以及高延展性及其制造方法。

19. 发明申请

US20080035247A1 High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same 有权
标题翻译：具有耐变形性的耐疲劳性，耐腐蚀性，延展性，电镀粘合性的高强度热浸镀锌钢板和热浸镀锌钢板及其制造方法
公开(公告)号：US20080035247A1
公开(公告)日：2008-02-14
申请号：US11893935
申请日：2007-08-16
申请人： Nobuhiro Fujita , Masafumi Azuma , Manabu Takahashi , Yasuhide Morimoto , Masao Kurosaki , Akihiro Miyasaka
发明人： Nobuhiro Fujita , Masafumi Azuma , Manabu Takahashi , Yasuhide Morimoto , Masao Kurosaki , Akihiro Miyasaka
IPC分类号： C21D9/46 , B22D25/02 , C22C38/00
CPC分类号： C23C2/40 , C23C2/02 , C23C2/28 , Y10S428/939 , Y10T428/12799
摘要： The present invention provides: a high-strength high-ductility hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having high fatigue resistance and corrosion resistance; a high-strength hot-dip galvanized steel sheet excellent in ductility, which improves non-plating defects and plating adhesion after severe deformation, and a method of producing the same; a high-strength and high-ductility hot-dip galvanized steel sheet having high fatigue resistance and corrosion resistance; a high-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having superior appearance and workability, which suppresses the generation of non-plating defects, and a method of producing the same; and a high-strength hot-dip galvannealed steel sheet and a high-strength hot-dip galvanized steel sheet, which suppress non-plating defects and surface defects and have both corrosion resistance, in particular corrosion resistance in an environment containing chlorine ion, and high ductility, and a method of producing the same.
摘要翻译：本发明提供：具有高耐疲劳性和耐腐蚀性的高强度高延展性热浸镀锌钢板和热浸镀锌钢板; 延展性优异的高强度热浸镀锌钢板及其制造方法，其改善了非电镀缺陷和电镀附着力。具有高耐疲劳性和耐腐蚀性的高强度和高延展性热浸镀锌钢板; 具有优异的外观和加工性的高强度热浸镀锌钢板和热浸镀锌钢板，其抑制非电镀缺陷的产生及其制造方法。以及抑制非电镀缺陷和表面缺陷并且在含有氯离子的环境中具有耐腐蚀性，特别是耐腐蚀性的高强度热浸镀锌锌钢板和高强度热浸镀锌钢板，以及高延展性及其制造方法。

20. 发明授权

US4842816A High toughness steel 失效
标题翻译：高韧性钢
公开(公告)号：US4842816A
公开(公告)日：1989-06-27
申请号：US77976
申请日：1987-07-27
申请人： Akihiro Miyasaka , Hiroyo Haga , Takeshi Terasawa
发明人： Akihiro Miyasaka , Hiroyo Haga , Takeshi Terasawa
IPC分类号： C22C38/00 , C22C38/14 , C22C38/50 , C22C38/58
CPC分类号： C22C38/14
摘要： A steel composition particularly suitable for the manufacture of electric resistance welded pipes for use in most hostile environments and able to display excellent sour resistance and high toughness. The aluminum content of the steel composition is reduced to not more than 0.005%, while from 0.006 to 0.2% in total of one or both of titanium and zirconium is used instead for steel containing 0.0005 to 0.008% Ca. The steel, apart from iron and unavoidable impurities further contains:0.01 to 0.35% C0.02 to 0.5% Si0.1 to 1.8% Mnnot more than 0.015% P, andnot more than 0.003% SCu, Ni, Cr, Mo, Nb and V may be added in appropriate amounts to enhance the steel performance.
摘要翻译：一种钢组合物，特别适用于制造用于大多数恶劣环境的电阻焊管，能够显示出优异的耐酸性和高韧性。钢组合物的铝含量降低到不超过0.005％，而代替含有0.0005至0.008％Ca.a的钢代替钛和锆中的一种或两种，从0.006至0.2％。除了铁和不可避免的杂质之外，钢还含有：0.01〜0.35％的C 0.02〜0.5％的Si 0.1〜1.8％的Mn不大于0.015％的P，不超过0.003％的S Cu，Ni，Cr，Mo，Nb 并且可以以适当的量添加V以提高钢的性能。

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