COLD-ROLLED STEEL SHEET, METHOD FOR MANUFACTURING THE SAME, AND BACKLIGHT CHASSIS
    3.
    发明申请
    COLD-ROLLED STEEL SHEET, METHOD FOR MANUFACTURING THE SAME, AND BACKLIGHT CHASSIS 有权
    冷轧钢板,其制造方法和背光底盘

    公开(公告)号:US20110120600A1

    公开(公告)日:2011-05-26

    申请号:US13054971

    申请日:2009-07-22

    IPC分类号: C21D8/02 C22C38/00

    摘要: A cold-rolled steel sheet includes, on a percent by mass basis: C: 0.0010% to 0.0030%, Si: 0.05% or less, Mn: 0.1% to 0.3%, P: 0.05% or less, S: 0.02% or less, Al: 0.02% to 0.10%, N: 0.005% or less, and Nb: 0.010% to 0.030% and the remainder composed of Fe and incidental impurities, wherein r values in a rolling direction and a direction perpendicular to the rolling direction are within a range of 1.0 to 1.6, and a mean value Elm of elongations in the rolling direction, a direction at 45° with respect to the rolling direction, and the direction perpendicular to the rolling direction is 40% or more, where Elm=(ElL+2×ElD+ElC)/4 ElL: elongation in the rolling direction, ElD: elongation in the direction at 45° with respect to the rolling direction, and ElC: elongation in the direction perpendicular to the rolling direction.

    摘要翻译: 冷轧钢板以质量%计含有:C:0.0010〜0.0030%,Si:0.05%以下,Mn:0.1〜0.3%,P:0.05%以下,S:0.02%以下 Al:0.02〜0.10%,N:0.005%以下,Nb:0.010%〜0.030%,余量由Fe和杂质构成,其中r值在轧制方向和垂直于轧制方向的方向 在1.0〜1.6的范围内,轧制方向的延伸率的平均值Elm,相对于轧制方向为45°的方向以及与轧制方向垂直的方向为40%以上,其中,Elm = (ElL + 2×ElD + ElC)/ 4 ElL:轧制方向的伸长率,ElD:相对于轧制方向在45°的方向的伸长率,以及ElC:与轧制方向垂直的方向的伸长率。

    High-stiffness high-strength thin steel sheet and method for producing the same
    4.
    发明申请
    High-stiffness high-strength thin steel sheet and method for producing the same 审中-公开
    高强度高强度薄钢板及其制造方法

    公开(公告)号:US20070144633A1

    公开(公告)日:2007-06-28

    申请号:US10578524

    申请日:2005-03-31

    IPC分类号: C21D8/02

    摘要: There is provided a high-stiffness high-strength thin steel sheet having a tensile strength of not less than 590 MPa and a Young's modulus of not less than 230 GPa, which comprises C: 0.02-0.15%, Si: not more than 1.5%, Mn: 1.0-3.5%, P: not more than 0.05%, S: not more than 0.01%, Al: not more than 1.5%, N: not more than 0.01% and Ti: 0.02-0.50% as mass %, provided that C, N, S and Ti contents satisfy Ti*=Ti−(47.9/14)×N−(47.9/32.1)×S≧0.01 and 0.01≦C−(12/47.9)×Ti*≧0.05 and the remainder being substantially iron and inevitable impurities, and has a texture comprising a ferrite phase as a main phase and having a martensite phase at an area ratio of not less than 1%.

    摘要翻译: 提供抗拉强度不低于590MPa,杨氏模量不小于230GPa的高刚度高强度薄钢板,其包含C:0.02-0.15%,Si:不大于1.5% ,Mn:1.0-3.5%,P:不大于0.05%,S:0.01%以下,Al:1.5%以下,N:0.01%以下,Ti:0.02-0.50% 条件是C,N,S和Ti含量满足Ti * = Ti-(47.9 / 14)xN-(47.9 / 32.1)xS> 0.01和0.01 <= C-(12 / 47.9)xTi *> = 0.05, 余量基本上是铁和不可避免的杂质,并且具有包含铁素体相作为主相并且具有不小于1%的面积比的马氏体相的织构。

    High-Stiffness High-Strength Thin Steel Sheet and Method For Producing the Same
    5.
    发明申请
    High-Stiffness High-Strength Thin Steel Sheet and Method For Producing the Same 审中-公开
    高刚度高强度薄钢板及其制造方法

    公开(公告)号:US20080118390A1

    公开(公告)日:2008-05-22

    申请号:US10578525

    申请日:2005-03-31

    摘要: There is provided a high-stiffness high-strength thin steel sheet having a tensile strength of not less than 590 MPa and a Young's modulus of not less than 225 GPa, which comprises C: 0.02-0.15%, Si: not more than 1.5%, Mn: 1.5-4.0%, P: not more than 0.05%, S: not more than 0.01%, Al: not more than 1.5%, N: not more than 0.01% and Nb: 0.02-0.40% as mass %, provided that C, N and Nb contents satisfy 0.01≦C+(12/14)×N−(12/92.9)×Nb≦0.06 and N≦(14/92.9)×(Nb−0.01) and the remainder being substantially iron and inevitable impurities, and has a texture comprising a ferrite phase as a main phase and having a martensite phase at an area ratio of not less than 1%.

    摘要翻译: 提供了抗拉强度不低于590MPa,杨氏模量不小于225GPa的高强度高强度薄钢板,其包含C:0.02-0.15%,Si:不大于1.5% ,Mn:1.5〜4.0%,P:0.05%以下,S:0.01%以下,Al:1.5%以下,N:0.01%以下,Nb:0.02〜0.40质量% 条件是C,N和Nb含量满足0.01 <= C +(12/14)xN-(12 / 92.9)xNb <= 0.06和N <=(14 / 92.9)x(Nb-0.01) 和不可避免的杂质,并且具有包含铁素体相作为主相并且具有不小于1%的面积比的马氏体相的织构。

    Cold-rolled steel sheet, method for manufacturing the same, and backlight chassis
    6.
    发明授权
    Cold-rolled steel sheet, method for manufacturing the same, and backlight chassis 有权
    冷轧钢板,其制造方法以及背光源底盘

    公开(公告)号:US08449699B2

    公开(公告)日:2013-05-28

    申请号:US13054971

    申请日:2009-07-22

    IPC分类号: C22C38/00 C21D8/00

    摘要: A cold-rolled steel sheet includes, on a percent by mass basis: C: 0.0010% to 0.0030%, Si: 0.05% or less, Mn: 0.1% to 0.3%, P: 0.05% or less, S: 0.02% or less, Al: 0.02% to 0.10%, N: 0.005% or less, and Nb: 0.010% to 0.030% and the remainder composed of Fe and incidental impurities, wherein values in a rolling direction and a direction perpendicular to the rolling direction are within a range of 1.0 to 1.6, and a mean value Elm of elongations in the rolling direction, a direction at 45° with respect to the rolling direction, and the direction perpendicular to the rolling direction is 40% or more, where Elm=(ElL+2×ElD+ElC)/4 and ElL: elongation in the rolling direction, ElD: elongation in the direction at 45° with respect to the rolling direction, and ElC: elongation in the direction perpendicular to the rolling direction.

    摘要翻译: 冷轧钢板以质量%计含有:C:0.0010〜0.0030%,Si:0.05%以下,Mn:0.1〜0.3%,P:0.05%以下,S:0.02%以下 Al:0.02〜0.10%,N:0.005%以下,Nb:0.010%〜0.030%,余量由Fe和杂质组成,其中轧制方向和垂直于轧制方向的方向为 在1.0〜1.6的范围内,轧制方向的伸长率,相对于轧制方向为45°的方向和与轧制方向垂直的方向的平均值Elm为40%以上,其中,Elm =( ElL + 2×ElD + ElC)/ 4和ElL:轧制方向的伸长率,ElD:相对于轧制方向在45°的方向的伸长率,以及ElC:与轧制方向垂直的方向的伸长率。