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1.发明授权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。
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2.发明申请公开(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
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％。
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3.发明授权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 有权具有高年龄模量的钢板，使用该钢板的热浸镀锌钢板，合金化热浸镀锌钢板，具有较高模量的钢管及其制造方法公开(公告)号：US08802241B2
公开(公告)日：2014-08-12
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
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％。
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4.发明申请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 These 有权具有高杨氏模量的钢板，使用相同的合金热浸镀锌钢板，具有高杨氏模量的钢管的热浸镀锌钢板及其制造方法公开(公告)号：US20080008901A1
公开(公告)日：2008-01-10
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 , Ryoich Kanno , Akihiro Miyasaka , Takehide Senuma
发明人： Natsuko Sugiura , Naoki Yoshinaga , Shunji Hiwatashi , Manabu Takahashi , Koji Hanya , Nobuyoshi Uno , Ryoich Kanno , Akihiro Miyasaka , Takehide Senuma
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} 1/8厚度层中的<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％）中的一种或两种以上， ）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{ 1/8厚度层中的110} <111>极密度为10以上，轧制方向的杨氏模量大于230GPa。
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5.发明授权公开(公告)号：US06706419B2
公开(公告)日：2004-03-16
申请号：US10110163
申请日：2002-04-04
IPC分类号： B32B1518
CPC分类号： C23C2/02 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C21D8/0278 , C21D9/46 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/38 , C23C2/40 , Y10S428/939 , Y10T428/12799
摘要： To provide a steel sheet excellent in painting bake hardenability and anti aging property at room temperature: containing, in mass, 0.0001 to 0.20% of C, 2.0% or less of Si, 3.0% or less of Mn, 0.15% or less of P, 0.015% or less of S, and, in addition, 010% or less of Al and 0.001 to 0.10% of N so as to satisfy the expression 0.52Al/N
摘要翻译： 本发明提供一种在室温下烘烤硬化性和抗老化性优异的钢板：C：0.0001〜0.20％，Si：2.0％以下，Mn：3.0％以下，P：0.15％以下 ，0.015％以下的S，另外，如果满足表达式为0.52Al / N <5，另外还含有0.01％以下的Al和0.001〜0.10％的N，还有一种以上为2.5％以下 的Cr，1.0％以下的Mo和0.1％以下的V，以满足表达式（Cr + 3.5MO + 39V）= 0.1，余量由Fe和不可避免的杂质组成; 具有BH170的值，在施加2％拉伸变形，然后在170℃下热处理20分钟，为45MPa以上，并且在施加2％拉伸后评价BH160中的任何值 变形，然后在160℃下进行10分钟的热处理，并且在施加2％拉伸变形，然后在150℃下进行10分钟热处理10分钟后评价BH150的值为35MPa以上 ; 并且在100℃下进行热处理1小时后，在拉伸试验中具有屈服点伸长率。 为0.6％以下。
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6.发明授权Steel plate exhibiting excellent workability and method for producing the same 有权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
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。
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公开(公告)号：US20080308200A1
公开(公告)日：2008-12-18
申请号：US12185402
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
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.
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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
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。
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公开(公告)号：US08052807B2
公开(公告)日：2011-11-08
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
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。
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公开(公告)号：US07749343B2
公开(公告)日：2010-07-06
申请号：US12185402
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
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。
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