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    HIGH TENSILE STRENGTH STEEL FOR CONTAINER AND PRODUCING METHOD OF THE SAME
    1.
    发明申请
    HIGH TENSILE STRENGTH STEEL FOR CONTAINER AND PRODUCING METHOD OF THE SAME 审中-公开
    集装箱用高强度钢及其制造方法

    公开(公告)号：US20110168303A1

    公开(公告)日：2011-07-14

    申请号：US12936681

    申请日：2009-04-10

    申请人： Toshikatsu Kato ,  Makoto Aratani ,  Katsuhito Kawamura ,  Katsumi Kojima ,  Kaku Sato ,  Shigeko Sujita ,  Fumio Aoki

    发明人： Toshikatsu Kato ,  Makoto Aratani ,  Katsuhito Kawamura ,  Katsumi Kojima ,  Kaku Sato ,  Shigeko Sujita ,  Fumio Aoki

    IPC分类号： C21D8/02 ,  C21D9/46 ,  C22C38/60 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

    CPC分类号： C22C38/04 ,  C21D8/0236 ,  C21D8/0268 ,  C21D8/0273 ,  C21D9/46 ,  C21D2211/004 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06

    摘要： A steel sheet for containers that has a hardness of 500 MPa or more and superior workability and a method for producing the steel sheet are provided. A steel containing, in percent by mass, 0.01% to 0.05% carbon, 0.04% or less silicon, 0.1% to 1.2% manganese, 0.10% or less sulfur, 0.001% to 0.100% aluminum, 0.10% or less nitrogen, and 0.0020% to 0.100% phosphorus, the balance being iron and incidental impurities, is subjected to hot rolling at a finishing temperature of (Ar3 transformation temperatute−30)° C. or more and a coiling temperature of 400° C. to 750° C., is subjected to pickling and cold rolling, is subjected to continuous annealing including overaging treatment, and is subjected to second cold rolling at a reduction rate of 20% to 50%, thus providing a high-strength steel sheet for containers that has a tensile strength of 500 MPa or more and a proof stress difference between width and rolling directions of 20 MPa or less.

    摘要翻译： 提供硬度为500MPa以上，加工性优异的容器用钢板和钢板的制造方法。 含有以质量计0.01％至0.05％的碳，0.04％或更少的硅，0.1％至1.2％的锰，0.10％或更少的硫，0.001％至0.100％的铝，0.10％或更少的氮和0.0020 在（Ar 3相变温度-30℃）℃以上的卷取温度和400℃〜750℃的卷取温度下，将0.01〜0.100％的磷（余量为铁和杂质）进行热轧。 进行酸洗和冷轧，进行包括过时处理的连续退火，并且以20％至50％的压下率进行第二次冷轧，从而提供具有拉伸强度的容器用高强度钢板 强度为500MPa以上，宽度和轧制方向之间的有效应力差为20MPa以下。

    Manufacturing method of steel sheet for cans
    6.
    发明授权
    Manufacturing method of steel sheet for cans 失效
    罐头钢板的制造方法

    公开(公告)号：US08372221B2

    公开(公告)日：2013-02-12

    申请号：US13141129

    申请日：2009-12-22

    申请人： Katsumi Kojima ,  Takumi Tanaka ,  Masaki Tada ,  Makoto Aratani ,  Hiroki Iwasa

    发明人： Katsumi Kojima ,  Takumi Tanaka ,  Masaki Tada ,  Makoto Aratani ,  Hiroki Iwasa

    IPC分类号： C21D8/02

    CPC分类号： C21D8/0426 ,  C21D8/0436 ,  C21D8/0463 ,  C21D9/48 ,  C21D9/52 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

    摘要： A method provides a slab by continuous casting of a steel having a component composition of, in mass %, C: 0.005% or less, Mn: 0.05 to 0.5%, Al: 0.01 to 0.10%, N: 0.0010 to 0.0070%, B: 0.15×N to 0.75×N (0.15 to 0.75 in terms of B/N), and one or both of Nb: 4×C to 20×C (4 to 20 in terms of Nb/C) and Ti: 2×C to l0×C (2 to 10 in terms of Ti/C), and the balance of Fe and inevitable impurity elements; rough rolling the slab; finish rolling the rough-rolled slab wherein 5% or more and less than 50% of the total amount of rolling reduction in the finish rolling is hot-rolled at a temperature lower than the Ar3 transformation point; winding the hot-rolled steel sheet at a winding temperature of 640 to 750 ° C.; pickling the coiled steel sheet; cold rolling the pickled steel sheet at a rolling reduction rate of 88 to 96%; and annealing the cold-rolled steel sheet in a temperature range of higher than 400 ° C. to a temperature that is 20 ° C. lower than the recrystallization temperature.

    摘要翻译： 通过连续铸造具有质量％C：0.005％以下，Mn：0.05〜0.5％，Al：0.01〜0.10％，N：0.0010〜0.0070％，B ：0.15×N〜0.75×N（B / N为0.15〜0.75），Nb：4×C〜20×C（Nb / C为4〜20），Ti：2× C至10×C（以Ti / C计2至10），余量为Fe和不可避免的杂质元素; 粗轧板坯; 将精轧中的压下量的5％以上且小于等于50％的粗轧板进行精轧，在低于Ar 3相变点的温度下进行热轧， 在640〜750℃的卷绕温度下卷绕热轧钢板。 酸洗卷板钢板; 以88％〜96％的压下率冷轧酸洗钢板; 并在高于400℃的温度范围内对冷轧钢板退火至比再结晶温度低20℃的温度。

    MANUFACTURING METHOD OF STEEL SHEET FOR CANS
    7.
    发明申请
    MANUFACTURING METHOD OF STEEL SHEET FOR CANS 失效
    CANS钢板制造方法

    公开(公告)号：US20110272066A1

    公开(公告)日：2011-11-10

    申请号：US13141129

    申请日：2009-12-22

    申请人： Katsumi Kojima ,  Takumi Tanaka ,  Masaki Tada ,  Makoto Aratani ,  Hiroki Iwasa

    发明人： Katsumi Kojima ,  Takumi Tanaka ,  Masaki Tada ,  Makoto Aratani ,  Hiroki Iwasa

    IPC分类号： C21D8/02

    CPC分类号： C21D8/0426 ,  C21D8/0436 ,  C21D8/0463 ,  C21D9/48 ,  C21D9/52 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

    摘要： A method provides a slab by continuous casting of a steel having a component composition of, in mass %, C: 0.005% or less, Mn: 0.05 to 0.5%, Al: 0.01 to 0.10%, N: 0.0010 to 0.0070%, B: 0.15×N to 0.75×N (0.15 to 0.75 in terms of B/N), and one or both of Nb: 4×C to 20×C (4 to 20 in terms of Nb/C) and Ti: 2×C to 10×C (2 to 10 in terms of Ti/C), and the balance of Fe and inevitable impurity elements; rough rolling the slab; finish rolling the rough-rolled slab wherein 5% or more and less than 50% of the total amount of rolling reduction in the finish rolling is hot-rolled at a temperature lower than the Ar3 transformation point; winding the hot-rolled steel sheet at a winding temperature of 640 to 750° C.; pickling the coiled steel sheet; cold rolling the pickled steel sheet at a rolling reduction rate of 88 to 96%; and annealing the cold-rolled steel sheet in a temperature range of higher than 400° C. to a temperature that is 20° C. lower than the recrystallization temperature.

    摘要翻译： 通过连续铸造具有质量％C：0.005％以下，Mn：0.05〜0.5％，Al：0.01〜0.10％，N：0.0010〜0.0070％，B ：0.15×N〜0.75×N（B / N为0.15〜0.75），Nb：4×C〜20×C（Nb / C为4〜20），Ti：2× C至10×C（以Ti / C计为2至10），余量为Fe和不可避免的杂质元素; 粗轧板坯; 将精轧中的压下量的5％以上且小于等于50％的粗轧板进行精轧，在低于Ar 3相变点的温度下进行热轧， 在640〜750℃的卷绕温度下卷绕热轧钢板。 酸洗卷板钢板; 以88％〜96％的压下率冷轧酸洗钢板; 并在高于400℃的温度范围内对冷轧钢板退火至比再结晶温度低20℃的温度。

    HIGH-STRENGTH STEEL SHEET FOR CANS AND METHOD FOR MANUFACTURING THE SAME
    8.
    发明申请
    HIGH-STRENGTH STEEL SHEET FOR CANS AND METHOD FOR MANUFACTURING THE SAME 审中-公开
    CAN高强度钢板及其制造方法

    公开(公告)号：US20110076177A1

    公开(公告)日：2011-03-31

    申请号：US12935564

    申请日：2009-04-01

    申请人： Makoto Aratani ,  Toshikatsu Kato ,  Katsuhito Kawamura ,  Takumi Tanaka ,  Katsumi Kojima ,  Kaku Sato ,  Shigeko Sujita ,  Masaki Koizumi

    发明人： Makoto Aratani ,  Toshikatsu Kato ,  Katsuhito Kawamura ,  Takumi Tanaka ,  Katsumi Kojima ,  Kaku Sato ,  Shigeko Sujita ,  Masaki Koizumi

    IPC分类号： C22C38/60 ,  B21B27/06 ,  C22C38/06 ,  C22C38/04 ,  C22C38/00 ,  C21D8/02

    CPC分类号： C21D8/0263 ,  B21B1/26 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0442 ,  C21D8/0473 ,  C21D2211/004 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

    摘要： A steel sheet for cans that has a yield stress of at least 500 Mpa after coating and baking and a method for manufacturing the steel sheet for cans are provided. The steel sheet for cans contains, on the basis of mass percent, C: more than 0.02% but 0.10% or less, Si: 0.10% or less, Mn: 1.5% or less, P: 0.20% or less, S: 0.20% or less, Al: 0.10% or less, N: 0.0120% to 0.0250%, dissolved N being 0.0100% or more, and a remainder of Fe and incidental impurities. A high-strength material can be obtained by maintaining the absolute quantity of dissolved N at a certain value or more and performing hardening by quench aging and strain aging, for example, in a printing process, a film lamination process, or a drying and baking process performed before can manufacturing. In the manufacture, hot rolling is performed at a slab extraction temperature of 1200° C. or more and a finish rolling temperature of (Ar3 transformation temperature—30)° C. or more, and coiling is performed at 650° C. or less.

    摘要翻译： 提供了涂布烘烤后屈服应力为500MPa以上的罐用钢板和罐用钢板的制造方法。 罐头用钢板以质量％计含有C：0.02％以上且0.10％以下，Si：0.10％以下，Mn：1.5％以下，P：0.20％以下，S：0.20 ％以下，Al：0.10％以下，N：0.0120％〜0.0250％，N为0.0100％以上，余量为Fe及杂质。 通过将溶解的N的绝对量保持在一定值以上，通过淬火时效和应变时效进行硬化，例如在印刷工序，薄膜层压工序，干燥烘烤中，可以得到高强度材料 可以制造之前执行的过程。 在制造中，以1200℃以上的板坯提取温度和（Ar 3相变温度-30℃）以上的精轧温度进行热轧，并且在650℃以下进行卷取 。

    Steel sheet for can and manufacturing method thereof
    9.
    发明授权
    Steel sheet for can and manufacturing method thereof 有权
    罐用钢板及其制造方法

    公开(公告)号：US06221180B1

    公开(公告)日：2001-04-24

    申请号：US09445404

    申请日：1999-12-07

    申请人： Akio Tosaka ,  Masatoshi Aratani ,  Osamu Furukimi ,  Hideo Kuguminato ,  Makoto Aratani ,  Yuji Miki

    发明人： Akio Tosaka ,  Masatoshi Aratani ,  Osamu Furukimi ,  Hideo Kuguminato ,  Makoto Aratani ,  Yuji Miki

    IPC分类号： C21D800

    CPC分类号： C22C38/06 ,  C21D8/0273 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/002 ,  C22C38/04 ,  C22C38/14

    摘要： The invention provides a can steel sheet having satisfactory surface appearance and having workability, appearance property after working and high yield that can meet demands on complicated can forming, and a manufacturing process thereof. To be more specific, according to the invention, a slab having a composition containing, in weight %, C: more than 0.005% and equal to or less than 0.1%, Mn: 0.05-1.0% is subjected to hot-rolling at a finishing temperature of 800 to 1000° C., to coiling at 500 to 750° C., to cold-rolling, followed by continuous annealing at a recrystallization temperature or higher and 800° C. or lower, and then to box annealing at a temperature higher than 500° C. and equal to or lower than 600° C. for 1 hr or longer. The steel sheet has preferably a structure containing ferrite as a principle phase and having a mean grain diameter of 10 &mgr;m or less and further containing 0.1-1% by weight of pearlite grains each having a grain diameter of 0.5-3 &mgr;m. To obtain satisfactory surface appearance, it is preferable that the steel contains: Ti: 0.015-0.10%, Al: 0.001-0.01%, and a total of 0.0005-0.01% of one or two members of Ca, REM, and S−5×((32/40)Ca+(32/140)REM) of 0.0014% or less.

    摘要翻译： 本发明提供一种具有令人满意的表面外观和可加工性，加工后的外观性能和能够满足复杂罐形成的要求的高产率的罐钢板及其制造方法。 更具体地说，根据本发明，将具有以重量％计含有C：大于0.005％并且等于或小于0.1％的Mn：0.05-1.0％的组成的板坯在 精加工温度为800〜1000℃，在500〜750℃下卷取，进行冷轧，然后在再结晶温度以上且800℃以下进行连续退火，然后在 温度高于500℃，等于或低于600℃，持续1小时或更长时间。 钢板优选具有铁素体作为主相，平均粒径为10μm以下的结构，并且还含有0.1-1重量％的粒径为0.5-3μm的珠光体组织。 为了获得令人满意的表面外观，优选钢包含：Ti：0.015-0.10％，Al：0.001-0.01％，以及Ca，REM和S-5x中的一种或两种成分的总计0.0005-0.01％ （（32/40）Ca +（32/140）REM）为0.0014％以下。

    Method of producing can steel strip
    10.
    发明授权
    Method of producing can steel strip 有权
    钢带生产方法

    公开(公告)号：US06171416B2

    公开(公告)日：2001-01-09

    申请号：US09426886

    申请日：1999-10-26

    申请人： Makoto Aratani ,  Yukio Kobata ,  Hideo Kuguminato ,  Akio Tosaka ,  Masatoshi Aratani ,  Susumu Okada

    发明人： Makoto Aratani ,  Yukio Kobata ,  Hideo Kuguminato ,  Akio Tosaka ,  Masatoshi Aratani ,  Susumu Okada

    IPC分类号： C21D802

    CPC分类号： C21D8/0426 ,  C21D2221/01 ,  C22C38/12

    摘要： At least both ends of a sheet bar in the length direction, which is obtained by roughly rolling a steel slab including 0.1 wt % or less of C, 0.5 wt % or less of Si, 1.0 wt % or less of Mn, 0.1 wt % or less of P, 0.05 wt % or less of S, 0.20 wt % or less of Al, and 0.015 wt % or less of N, are heated so that the temperature at both ends of the sheet bar in the length direction is 15° C. or more higher than the temperature of the remainder of the sheet bar. The rolling finish temperature is Ar3+20° C. to Ar3+100° C. in both end portions of the sheet bar in the length direction, and Ar3+10° C. to Ar3+60° C. in the remainder, and the rolling finish temperature in the both end portions in the length direction is 10° C. or more higher than that of the remainder, so that a steel strip after cold rolling and annealing has r values within ±0.3 of the average r value, and &Dgr;r within ±0.2 of the average &Dgr;r in the region of 95% or more of each of the total length and total width of the steel strip.

    摘要翻译： 至少在长度方向的两端，通过大致轧制含有0.1重量％以下的C，0.5重量％以下的Si，1.0重量％以下的Mn，0.1重量％以下的钢板， 或更少的P，0.05重量％以下的S，0.20重量％以下的Al和0.015重量％以下的N，被加热使得片材杆的长度方向的两端的温度为15度 或更高于片材条的其余部分的温度。 在板材的长度方向的两端部的轧制终轧温度为Ar3 + 20℃〜Ar3 + 100℃，其余为Ar3 + 10℃〜Ar3 + 60℃， 长度方向两端部的轧制精加工温度比剩余部分的轧制温度高10℃以上，冷轧退火后的钢带的r值在平均r值的±0.3以内， DELTAr在平均DELTAr的±0.2内，在钢带的总长度和总宽度的95％或更多的区域中。