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1. 发明公开

EP2415894A2 Steel sheet excellent in workability and method for producing the same 审中-公开
公开(公告)号：EP2415894A2
公开(公告)日：2012-02-08
申请号：EP11186515.0
申请日：2002-06-27
申请人： Nippon Steel Corporation
发明人： Yoshinaga, Naoki , Fujita, Nobuhiro , Takahashi, Manabu , Hashimoto, Koji , Sakamoto, Shinya , Kawasaki, Kaoru , Shinohara, Yasuhiro , Senuma, Takehide
IPC分类号： C22C38/00 , C22C38/06 , C22C38/38 , C22C38/58 , C21D9/48 , C22C38/02 , C22C38/04 , C21D8/04 , C23C2/02 , C25D5/24
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 is used for panels, undercarriage components, structural members and the like of an automobile, and a method for producing said steel sheet. More specifically, the present invention is: a steel sheet excellent in workability, characterized in that said steel sheet contains, 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, 0.05% or less S, 0.001 to 0.007% N and 0.008 to 0.2% Al, with the balance consisting of Fe and unavoidable impurities, and that said steel sheet has the average r-value of 1.2 or more, the r-value in the rolling direction (rL) of 1.3 or more, the r-value in the direction of 45 degrees to the rolling direction (rD) of 0.9 or more, and the r-value in the direction of a right angle to the rolling direction (rC) of 1.2 or more; further a steel sheet excellent in workability according to claim 1, characterized in that the ratios of the X-ray diffraction intensities in the orientation components of {111}, {100} and {110} to the random X-ray diffraction intensities strength on a reflection plane at the thickness center of said steel sheet are 2.0 or more, 1.0 or less and 0.2 or more, respectively; a steel pipe made of said steel sheet; and methods for producing said steel sheet and steel pipe.

2. 发明公开

EP2415893A2 Steel sheet excellent in workability and method for producing the same 有权
标题翻译： Stahlplatte mit herausragender Umformbarkeit und Verfahren zu deren Herstellung
公开(公告)号：EP2415893A2
公开(公告)日：2012-02-08
申请号：EP11186496.3
申请日：2002-06-27
申请人： Nippon Steel Corporation
发明人： Yoshinaga, Naoki , Fujita, Nobuhiro , Takahashi, Manabu , Hashimoto, Koji , Sakamoto, Shinya , Kawasaki, Kaoru , Shinohara, Yasuhiro , Senuma, Takehide
IPC分类号： C22C38/00 , C22C38/06 , C22C38/38 , C22C38/58 , C21D9/48 , C22C38/02 , C22C38/04 , C21D8/04 , C23C2/02 , C25D5/24
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 is used for panels, undercarriage components, structural members and the like of an automobile, and a method for producing said steel sheet. More specifically, the present invention is: a steel sheet excellent in workability, characterized in that said steel sheet contains, 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, 0.05% or less S, 0.001 to 0.007% N and 0.008 to 0.2% Al, with the balance consisting of Fe and unavoidable impurities, and that said steel sheet has the average r-value of 1.2 or more, the r-value in the rolling direction (rL) of 1.3 or more, the r-value in the direction of 45 degrees to the rolling direction (rD) of 0.9 or more, and the r-value in the direction of a right angle to the rolling direction (rC) of 1.2 or more; further a steel sheet excellent in workability according to claim 1, characterized in that the ratios of the X-ray diffraction intensities in the orientation components of {111}, {100} and {110} to the random X-ray diffraction intensities strength on a reflection plane at the thickness center of said steel sheet are 2.0 or more, 1.0 or less and 0.2 or more, respectively; a steel pipe made of said steel sheet; and methods for producing said steel sheet and steel pipe.
摘要翻译：本发明提供一种用于汽车的面板，起落架部件，结构构件等的加工性优异的钢板，以及所述钢板的制造方法。更具体地说，本发明是一种加工性优异的钢板，其特征在于，所述钢板以质量计含有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％以下的S，0.001〜0.007％的N和0.008〜0.2％的Al，余量由Fe和不可避免的杂质构成，所述钢板的平均r值为1.2以上，r值为轧制方向（rL）为1.3以上，轧制方向（rD）为45度的r值为0.9以上，r方向为rC（rC））为1.2以上; 2.根据权利要求1所述的加工性优异的钢板，其特征在于，{111}，{100}和{110}的取向成分中的X射线衍射强度与随机X射线衍射强度强度之比所述钢板的厚度中心处的反射面分别为2.0以上，1.0以下，0.2以上，由所述钢板制成的钢管; 以及钢板和钢管的制造方法。

3. 发明公开

EP2415894A3 Steel sheet excellent in workability and method for producing the same 审中-公开
标题翻译：加工性优异的钢板及其制造方法
公开(公告)号：EP2415894A3
公开(公告)日：2012-10-17
申请号：EP11186515.0
申请日：2002-06-27
申请人： Nippon Steel Corporation
发明人： Yoshinaga, Naoki , Fujita, Nobuhiro , Takahashi, Manabu , Hashimoto, Koji , Sakamoto, Shinya , Kawasaki, Kaoru , Shinohara, Yasuhiro , Senuma, Takehide
IPC分类号： C22C38/00 , C22C38/06 , C22C38/38 , C22C38/58 , C21D9/48 , C22C38/02 , C22C38/04 , C21D8/04 , C23C2/02 , C25D5/24
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 is used for panels, undercarriage components, structural members and the like of an automobile, and a method for producing said steel sheet. More specifically, the present invention is: a steel sheet excellent in workability, characterized in that said steel sheet contains, 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, 0.05% or less S, 0.001 to 0.007% N and 0.008 to 0.2% Al, with the balance consisting of Fe and unavoidable impurities, and that said steel sheet has the average r-value of 1.2 or more, the r-value in the rolling direction (rL) of 1.3 or more, the r-value in the direction of 45 degrees to the rolling direction (rD) of 0.9 or more, and the r-value in the direction of a right angle to the rolling direction (rC) of 1.2 or more; further a steel sheet excellent in workability according to claim 1, characterized in that the ratios of the X-ray diffraction intensities in the orientation components of {111}, {100} and {110} to the random X-ray diffraction intensities strength on a reflection plane at the thickness center of said steel sheet are 2.0 or more, 1.0 or less and 0.2 or more, respectively; a steel pipe made of said steel sheet; and methods for producing said steel sheet and steel pipe.
摘要翻译：本发明提供一种用于汽车的面板，底盘部件，结构部件等的加工性优异的钢板及其制造方法。更具体而言，本发明是一种加工性优良的钢板，其特征在于，所述钢板含有C：0.08〜0.25％，Si：0.001〜1.5％，Mn：0.01〜2.0％，P：0.001〜0.06％，S：0.05％以下，N：0.001〜0.007％，Al：0.008〜0.2％，余量由Fe和不可避免的杂质构成，上述钢板的平均r值为1.2以上，轧制方向（rL）为1.3以上，与轧制方向成45度的方向的r值（rD）为0.9以上，与轧制方向成直角的方向的r值（rC ）为1.2或更高; 根据权利要求1所述的加工性优良的钢板，其特征在于，{111}，{100}和{110}的取向成分中的X射线衍射强度相对于随机X射线衍射强度强度所述钢板的厚度中心的反射面分别为2.0以上，1.0以下，0.2以上; 由所述钢板制成的钢管; 以及用于制造所述钢板和钢管的方法。

4. 发明公开

EP2415893A3 Steel sheet excellent in workability and method for producing the same 有权
标题翻译： Stahlplatte mit herausragender Umformbarkeit und Verfahren zu deren Herstellung
公开(公告)号：EP2415893A3
公开(公告)日：2012-10-17
申请号：EP11186496.3
申请日：2002-06-27
申请人： Nippon Steel Corporation
发明人： Yoshinaga, Naoki , Fujita, Nobuhiro , Takahashi, Manabu , Hashimoto, Koji , Sakamoto, Shinya , Kawasaki, Kaoru , Shinohara, Yasuhiro , Senuma, Takehide
IPC分类号： C22C38/00 , C22C38/06 , C22C38/38 , C22C38/58 , C21D9/48 , C22C38/02 , C22C38/04
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 is used for panels, undercarriage components, structural members and the like of an automobile, and a method for producing said steel sheet. More specifically, the present invention is: a steel sheet excellent in workability, characterized in that said steel sheet contains, 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, 0.05% or less S, 0.001 to 0.007% N and 0.008 to 0.2% Al, with the balance consisting of Fe and unavoidable impurities, and that said steel sheet has the average r-value of 1.2 or more, the r-value in the rolling direction (rL) of 1.3 or more, the r-value in the direction of 45 degrees to the rolling direction (rD) of 0.9 or more, and the r-value in the direction of a right angle to the rolling direction (rC) of 1.2 or more; further a steel sheet excellent in workability according to claim 1, characterized in that the ratios of the X-ray diffraction intensities in the orientation components of {111}, {100} and {110} to the random X-ray diffraction intensities strength on a reflection plane at the thickness center of said steel sheet are 2.0 or more, 1.0 or less and 0.2 or more, respectively; a steel pipe made of said steel sheet; and methods for producing said steel sheet and steel pipe.
摘要翻译：本发明提供一种用于汽车的面板，起落架部件，结构构件等的加工性优异的钢板，以及所述钢板的制造方法。更具体地说，本发明是一种加工性优异的钢板，其特征在于，所述钢板以质量计含有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％以下的S，0.001〜0.007％的N和0.008〜0.2％的Al，余量由Fe和不可避免的杂质构成，所述钢板的平均r值为1.2以上，r值为轧制方向（rL）为1.3以上，轧制方向（rD）为45度的r值为0.9以上，r方向为rC（rC））为1.2以上; 2.根据权利要求1所述的可加工性优异的钢板，其特征在于，所述取向成分中的X射线衍射强度与所述厚度的反射面上的随机X射线衍射强度的比值为ä111ü，ä100ü和ä110ü 所述钢板的中心分别为2.0以上，1.0以下，0.2以上，由所述钢板制成的钢管; 以及钢板和钢管的制造方法。

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