公开(公告)号：US20040050461A1

公开(公告)日：2004-03-18

申请号：US10655361

申请日：2003-09-04

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Chikara Kami ,  Akio Tosaka ,  Takuya Yamazaki

IPC分类号： C21D009/52

CPC分类号： C21D8/0436 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0473 ,  C21D9/46 ,  C21D9/48 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  Y10T428/12493 ,  Y10T428/12799

摘要： An object of the present invention is to provide a cold-rolled steel sheet and an alloyed hot-dip galvanized steel sheet in which tensile strength is effectively increased by press forming and heat treatment while maintaining excellent deep drawability in press forming. Specifically, a steel composition contains less than 0.01% of C, 0.005 to 1.0% of Si, 0.01 to 1.0% of Mn, 0.005 to 0.050% of Nb, 0.005 to 0.030% of Al, 0.005 to 0.040% of N, 0.0005 to 0.0015% of B, 0.05% or less of P, and 0.01% or less of S, the balance substantially composed of Fe, in which the following equations (1) and (2) are satisfied:N%null0.0015null14/93.Nb%null14/27.Al%null14/11.B%nullnull(1)C%null(12/93).Nb%nullnull(2)

摘要翻译： 本发明的目的是提供一种冷压钢板和合金化的热浸镀锌钢板，其中通过冲压成形和热处理有效地提高了拉伸强度，同时保持了冲压成形时的优异的深冲性。 具体地说，钢组成包含C：0.01％以下，Si：0.005〜1.0％，Mn：0.01〜1.0％，Nb：0.005〜0.050％，Al：0.005〜0.030％，N：0.005〜0.040％ 0.0015％的B，0.05％以下的P和0.01％以下的S，余量基本上由Fe组成，其中满足以下等式（1）和（2）：N％> = 0.0015 + 14 / 93.Nb％+ 14 / 27.Al％+ 14 / 11.B％（1）C％> =（12/93）.Nb％（2）

公开(公告)号：US20040035501A1

公开(公告)日：2004-02-26

申请号：US10647419

申请日：2003-08-25

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Yoshihiro Yazawa ,  Osamu Furukimi ,  Mineo Muraki ,  Yoshihiro Ozaki ,  Kunio Fukuda ,  Yukihiro Baba

IPC分类号： C22C038/26 ,  C22C038/28

CPC分类号： C22C38/001 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0268 ,  C21D8/0278 ,  C21D8/0468 ,  C22C38/004 ,  C22C38/06 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C23C30/00

摘要： A ferritic stainless steel sheet for use in automobile fuel tanks and fuel pipes having smooth surface and resistance to organic acid is provided. The sheet contains, by mass, not more than about 0.1% C, not more than about 1.0 Si, not more than about 1.5% Mn, not more than about 0.06% P, not more than about 0.03% S, about 11% to about 23% Cr, not more than about 2.0% Ni, about 0.5% to about 3.0% Mo, not more than about 1.0% Al, not more than about 0.04% N, at least one of not more than about 0.8% Nb and not more than about 1.0% Ti, and the balance being Fe and unavoidable impurities, satisfying the relationship: 18nullNb/(CnullN)null2Ti/(CnullN)null60, wherein C, N, Nb, and Ti in the relationship represent the C, N, Nb, and Ti contents by mass percent, respectively. A process for making the same is also provided.

摘要翻译： 提供了一种用于汽车燃料箱的铁素体不锈钢板和具有光滑表面和耐有机酸的燃料管。 该片材质量不超过约0.1％C，不大于约1.0Si，不大于约1.5％Mn，不大于约0.06％P，不大于约0.03％S，约11％ 约23％的Cr，不超过约2.0％的Ni，约0.5％至约3.0％的Mo，不大于约1.0％的Al，不超过约0.04％的N，至少一种不大于约0.8％的Nb和 不超过约1.0％Ti，余量为Fe和不可避免的杂质，满足关系：18 <= Nb /（C + N）+ 2Ti /（C + N）≤60，其中C，N，Nb， 关系中的Ti分别表示C，N，Nb，Ti的质量百分比含量。 还提供了制备其的方法。

公开(公告)号：US20040261920A1

公开(公告)日：2004-12-30

申请号：US10655288

申请日：2003-09-04

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Chikara Kami ,  Akio Tosaka ,  Takuya Yamazaki

IPC分类号： C21D008/00

CPC分类号： C21D8/0436 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0473 ,  C21D9/46 ,  C21D9/48 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  Y10T428/12493 ,  Y10T428/12799

摘要： An object of the present invention is to provide a cold-rolled steel sheet and an alloyed hot-dip galvanized steel sheet in which tensile strength is effectively increased by press forming and heat treatment while maintaining excellent deep drawability in press forming. Specifically, a steel composition contains less than 0.01% of C, 0.005 to 1.0% of Si, 0.01 to 1.0% of Mn, 0.005 to 0.050% of Nb, 0.005 to 0.030% of Al, 0.005 to 0.040% of N 0.0005 to 0.0015% of B, 0.05% or less of P, and 0.01% or less of S, the balance substantially composed of Fe, in which the following equations (1) and (2) are satisfied: N %null0.00-15null4/93nullNb %null14/27nullAl %null14/11nullB %nullnull(1) C %null(12/93)nullNb %nullnull(2)

摘要翻译： 本发明的目的是提供一种冷压钢板和合金化的热浸镀锌钢板，其中通过冲压成形和热处理有效地提高了拉伸强度，同时保持了冲压成形时的优异的深冲性。 具体地说，钢组成包含小于0.01％的C，0.005〜1.0％的Si，0.01〜1.0％的Mn，0.005〜0.050％的Nb，0.005〜0.030％的Al，0.005〜0.040％的N，0.0005〜0.0015 B的百分比，P的0.05％以下，S的0.01％以下，余量基本上由Fe组成，其中满足以下等式（1）和（2）：N％> = 0.00-15 + 4 /93.Nb％+ 14 / 27.Al％+ 14 / 11.B％（1）C％<=（12/93）.Nb％（2）

公开(公告)号：US20040108024A1

公开(公告)日：2004-06-10

申请号：US10428571

申请日：2003-05-02

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Saiji Matsuoka ,  Tetsuo Shimizu ,  Kei Sakata ,  Osamu Furukimi

IPC分类号： C22C038/16

CPC分类号： C22C38/16 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0278 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/02 ,  C23C2/06 ,  C23C2/40 ,  Y10T428/12799

摘要： The present invention provides a steel sheet having a chemical composition comprising 0.15% or less C, 2.0% or less Si, 3.0% or less Mn, P, S, Al and N in adjusted amounts, from 0.5 to 3.0% Cu, or one or more of Cr, Mo and W in a total amount of 2.0% or less, and having a composite structure comprising ferrite and martensite having an area ratio of 2% or more. The steel sheet is in the form of a high-strength hot-rolled steel sheet, a high-strength cold-rolled steel sheet, or a hot-dip galvanized steel sheet. There is thus available a steel sheet excellent in press-formability and in strain age hardening property as represented by a nullTS of 80 MPa or more.

摘要翻译： 本发明提供一种钢板，其特征在于，含有0.15％以下的C，2.0％以下的Si，3.0％以下的Mn，P，S，Al，N以及0.5〜3.0％的Cu， 或更多的Cr，Mo和W的总量为2.0％以下，并且具有包含面积比为2％以上的铁素体和马氏体的复合结构。 钢板为高强度热轧钢板，高强度冷轧钢板或热浸镀锌钢板的形式。 因此可获得如DeltaTS为80MPa以上的压制成形性和应变时效硬化性优异的钢板。

公开(公告)号：US20030201038A1

公开(公告)日：2003-10-30

申请号：US10428881

申请日：2003-05-02

申请人： Kawasaki Steel Corporation, a Corporation of Japan

发明人： Saiji Matsuoka ,  Tetsuo Shimizu ,  Kei Sakata ,  Osamu Furukimi

IPC分类号： C22C038/16

CPC分类号： C22C38/16 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0278 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/02 ,  C23C2/06 ,  C23C2/40 ,  Y10T428/12799

摘要： The present invention provides a steel sheet having a chemical composition comprising 0.15% or less C, 2.0% or less Si, 3.0% or less Mn, P, S, Al and N in adjusted amounts, from 0.5 to 3.0% Cu, or one or more of Cr, Mo and W in a total amount of 2.0% or less, and having a composite structure comprising ferrite and martensite having an area ratio of 2% or more. The steel sheet is in the form of a high-strength hot-rolled steel sheet, a high-strength cold-rolled steel sheet, or a hot-dip galvanized steel sheet. There is thus available a steel sheet excellent in press-formability and in strain age hardening property as represented by a nullTS of 80 MPa or more.

摘要翻译： 本发明提供一种钢板，其特征在于，含有0.15％以下的C，2.0％以下的Si，3.0％以下的Mn，P，S，Al，N以及0.5〜3.0％的Cu， 或更多的Cr，Mo和W的总量为2.0％以下，并且具有包含面积比为2％以上的铁素体和马氏体的复合结构。 钢板为高强度热轧钢板，高强度冷轧钢板或热浸镀锌钢板的形式。 因此可获得如DeltaTS为80MPa以上的压制成形性和应变时效硬化性优异的钢板。

公开(公告)号：US20040103962A1

公开(公告)日：2004-06-03

申请号：US10654774

申请日：2003-09-04

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Chikara Kami ,  Akio Tosaka ,  Takuya Yamazaki

IPC分类号： C21D008/02

CPC分类号： C21D8/0436 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0473 ,  C21D9/46 ,  C21D9/48 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  Y10T428/12493 ,  Y10T428/12799

摘要： An object of the present invention is to provide a cold-rolled steel sheet and an alloyed hot-dip galvanized steel sheet in which tensile strength is effectively increased by press forming and heat treatment while maintaining excellent deep drawability in press forming. Specifically, a steel composition contains less than 0.01% of C, 0.005 to 1.0% of Si, 0.01 to 1.0% of Mn, 0.005 to 0.050% of Nb, 0.005 to 0.030% of Al, 0.005 to 0.040% of N, 0.0005 to 0.0015% of B, 0.05% or less of P, and 0.01% or less of S, the balance substantially composed of Fe, in which the following equations (1) and (2) are satisfied: N %null0.0015null14/93.Nb %null14/27.Al %null14/11.B %nullnull(1) C %null(12/93).Nb %nullnull(2)

摘要翻译： 本发明的目的是提供一种冷压钢板和合金化的热浸镀锌钢板，其中通过冲压成形和热处理有效地提高了拉伸强度，同时保持了冲压成形时的优异的深冲性。 具体地说，钢组成包含C：0.01％以下，Si：0.005〜1.0％，Mn：0.01〜1.0％，Nb：0.005〜0.050％，Al：0.005〜0.030％，N：0.005〜0.040％ 0.0015％的B，0.05％以下的P和0.01％以下的S，余量基本上由Fe组成，其中满足以下等式（1）和（2）：N％> = 0.0015 + 14 / 93.Nb％+14 / 27.Al％+ 14 / 11.B％（1）C％<=（12/93）.Nb％（2）

公开(公告)号：US20030213535A1

公开(公告)日：2003-11-20

申请号：US10429013

申请日：2003-05-02

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Saiji Matsuoka ,  Tetsuo Shimizu ,  Kei Sakata ,  Osamu Furukimi

IPC分类号： C21D008/00

CPC分类号： C22C38/16 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0278 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/02 ,  C23C2/06 ,  C23C2/40 ,  Y10T428/12799

摘要： The present invention provides a steel sheet having a chemical composition comprising 0.15% or less C, 2.0% or less Si, 3.0% or less Mn, P, S, Al and N in adjusted amounts, from 0.5 to 3.0% Cu, or one or more of Cr, Mo and W in a total amount of 2.0% or less, and having a composite structure comprising ferrite and martensite having an area ratio of 2% or more. The steel sheet is in the form of a high-strength hot-rolled steel sheet, a high-strength cold-rolled steel sheet, or a hot-dip galvanized steel sheet. There is thus available a steel sheet excellent in press-formability and in strain age hardening property as represented by a nullTS of 80 MPa or more.

摘要翻译： 本发明提供一种钢板，其特征在于，含有0.15％以下的C，2.0％以下的Si，3.0％以下的Mn，P，S，Al，N以及0.5〜3.0％的Cu， 或更多的Cr，Mo和W的总量为2.0％以下，并且具有包含面积比为2％以上的铁素体和马氏体的复合结构。 钢板为高强度热轧钢板，高强度冷轧钢板或热浸镀锌钢板的形式。 因此可获得如DeltaTS为80MPa以上的压制成形性和应变时效硬化性优异的钢板。

公开(公告)号：US20040105997A1

公开(公告)日：2004-06-03

申请号：US10655394

申请日：2003-09-04

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Chikara Kami ,  Akio Tosaka ,  Takuya Yamazaki

IPC分类号： C22C038/08 ,  B32B015/00

CPC分类号： C21D8/0436 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0473 ,  C21D9/46 ,  C21D9/48 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  Y10T428/12493 ,  Y10T428/12799

摘要： An object of the present invention is to provide a cold-rolled steel sheet and an alloyed hot-dip galvanized steel sheet in which tensile strength is effectively increased by press forming and heat treatment while maintaining excellent deep drawability in press forming. Specifically, a steel composition contains less than 0.01% of C, 0.005 to 1.0% of Si, 0.01 to 1.0% of Mn, 0.005 to 0.050% of Nb, 0.005 to 0.030% of Al, 0.005 to 0.040% of N, 0.0005 to 0.0015% of B, 0.05% or less of P, and 0.01% or less of S, the balance substantially composed of Fe, in which the following equations (1) and (2) are satisfied: N %null0.0015null14/93.Nb %null14/27.Al %null14/11.B % nullnull(1) C %null(12/93).Nb % nullnull(2)

摘要翻译： 本发明的目的是提供一种冷压钢板和合金化的热浸镀锌钢板，其中通过冲压成形和热处理有效地提高了拉伸强度，同时保持了冲压成形时的优异的深冲性。 具体地说，钢组成包含C：0.01％以下，Si：0.005〜1.0％，Mn：0.01〜1.0％，Nb：0.005〜0.050％，Al：0.005〜0.030％，N：0.005〜0.040％ 0.0015％的B，0.05％以下的P和0.01％以下的S，余量基本上由Fe组成，其中满足以下等式（1）和（2）：N％> = 0.0015 + 14 / 93.Nb％+14 / 27.Al％+ 14 / 11.B％（1）C％<=（12/93）.Nb％（2）

公开(公告)号：US20040055672A1

公开(公告)日：2004-03-25

申请号：US10654775

申请日：2003-09-04

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Chikara Kami ,  Akio Tosaka ,  Takuya Yamazaki

IPC分类号： C21D008/02

CPC分类号： C21D8/0436 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0473 ,  C21D9/46 ,  C21D9/48 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  Y10T428/12493 ,  Y10T428/12799

摘要： An object of the present invention is to provide a cold-rolled steel sheet and an alloyed hot-dip galvanized steel sheet in which tensile strength is effectively increased by press forming and heat treatment while maintaining excellent deep drawability in press forming. Specifically, a steel composition contains less than 0.01% of C, 0.005 to 1.0% of Si, 0.01 to 1.0% of Mn, 0.005 to 0.050% of Nb, 0.005 to 0.030% of Al, 0.005 to 0.040% of N, 0.0005 to 0.0015% of B, 0.05% or less of P, and 0.01% or less of S, the balance substantially composed of Fe, in which the following equations (1) and (2) are satisfied: N%null0.0015null14/93nullNb%null14/27nullAl%null14/11nullB% nullnull(1) C%null(12/93)nullNb%nullnull(2)

公开(公告)号：US20040007297A1

公开(公告)日：2004-01-15

申请号：US10429018

申请日：2003-05-02

申请人： Kawasaki Steel Corporation, a corporation of Japan

发明人： Saiji Matsuoka ,  Tetsuo Shimizu ,  Kei Sakata ,  Osamu Furukimi

IPC分类号： C22C038/16

CPC分类号： C22C38/16 ,  C21D1/185 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C21D8/0278 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/02 ,  C23C2/06 ,  C23C2/40 ,  Y10T428/12799

摘要： The present invention provides a steel sheet having a chemical composition comprising 0.15% or less C, 2.0% or less Si, 3.0% or less Mn, P, S, Al and N in adjusted amounts, from 0.5 to 3.0% Cu, or one or more of Cr, Mo and W in a total amount of 2.0% or less, and having a composite structure comprising ferrite and martensite having an area ratio of 2% or more. The steel sheet is in the form of a high-strength hot-rolled steel sheet, a high-strength cold-rolled steel sheet, or a hot-dip galvanized steel sheet. There is thus available a steel sheet excellent in press-formability and in strain age hardening property as represented by a nullTS of 80 MPa or more.

摘要翻译： 本发明提供一种钢板，其特征在于，含有0.15％以下的C，2.0％以下的Si，3.0％以下的Mn，P，S，Al，N以及0.5〜3.0％的Cu， 或更多的Cr，Mo和W的总量为2.0％以下，并且具有包含面积比为2％以上的铁素体和马氏体的复合结构。 钢板为高强度热轧钢板，高强度冷轧钢板或热浸镀锌钢板的形式。 因此可获得如DeltaTS为80MPa以上的压制成形性和应变时效硬化性优异的钢板。