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    STEEL SHEET FOR GALVANIZING WITH EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING THE SAME
    1.
    发明申请
    STEEL SHEET FOR GALVANIZING WITH EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING THE SAME 审中-公开
    用于具有优异的可加工性的钢化钢板及其制造方法

    公开(公告)号：US20110073223A1

    公开(公告)日：2011-03-31

    申请号：US12064653

    申请日：2006-08-24

    申请人： Il-Ryoung Sohn ,  Kwang-Geun Chin ,  Hee-Jae Kang ,  Sung-ll Kim

    发明人： Il-Ryoung Sohn ,  Kwang-Geun Chin ,  Hee-Jae Kang ,  Sung-ll Kim

    IPC分类号： C21D8/02 ,  C22C38/00

    CPC分类号： C22C38/02 ,  C21D8/0226 ,  C21D8/0426 ,  C21D8/0473 ,  C21D9/46 ,  C21D2211/004 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/008 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C22C38/60 ,  C23C2/02

    摘要： A high strength ductile steel sheet for extra deep drawing mainly used for interior or exterior plates of automobile bodies, and a method for manufacturing the same are disclosed. The steel sheet comprises, by weight %, C: 0.010% or less, Si: 0.1% or less, Mn: 0.06˜1.5%, P: 0.15% or less, S: 0.020% or less, Sol. Al: 0.10˜0.40%, N: 0.010% or less, Ti: 0.003˜0.010%, Nb: 0.003˜0.040%, B: 0.0002˜0.0020%, Mo: 0.05% or less, one or both of Sb: 0.005˜0.05% and Sn: 0.005˜0.05%, a total amount of Sb and Sn being in the range of 0.005˜0.1% when both of Sb and Sn are added to the steel sheet, and the balance of Fe and other unavoidable impurities. The steel sheet has surface agglomerates having an average diameter of 1 μm or less, and a tensile strength of 28˜50 kgf/mm2.

    摘要翻译： 公开了一种主要用于汽车车体的内外板的用于额外深冲的高强度延性钢板及其制造方法。 钢板以C：0.010％以下，Si：0.1％以下，Mn：0.06〜1.5％，P：0.15％以下，S：0.020％以下的比例含有。 Al：0.10〜0.40％，N：0.010％以下，Ti：0.003〜0.010％，Nb：0.003〜0.040％，B：0.0002〜0.0020％，Mo：0.05％以下，Sb：0.005〜 0.05％，Sn：0.005〜0.05％，Sb和Sn的总量，在Sb和Sn均加入到钢板中时为0.005〜0.1％，余量为Fe等不可避免的杂质。 钢板具有平均直径为1μm以下，抗拉强度为28〜50kgf / mm 2的表面附聚物。

    HIGH MANGANESE HIGH STRENGTH STEEL SHEETS WITH EXCELLENT CRASHWORTHINESS AND METHOD FOR MANUFACTURING OF IT
    6.
    发明申请
    HIGH MANGANESE HIGH STRENGTH STEEL SHEETS WITH EXCELLENT CRASHWORTHINESS AND METHOD FOR MANUFACTURING OF IT 审中-公开
    具有优异冲击韧性的高锰钢高强度钢板及其制造方法

    公开(公告)号：US20090074605A1

    公开(公告)日：2009-03-19

    申请号：US12298959

    申请日：2007-12-24

    申请人： Sung Kyu Kim ,  Kwang Geun Chin ,  Il-Ryoung Sohn

    发明人： Sung Kyu Kim ,  Kwang Geun Chin ,  Il-Ryoung Sohn

    IPC分类号： C22C38/04 ,  C21D8/02 ,  B21B1/00

    CPC分类号： C22C38/04 ,  C22C38/06

    摘要： There are provided a high-workability high strength steel sheet with excellent workability due to the high elongation and excellent crashworthiness due to the high yield strength, and a method for manufacturing of it. The high manganese steel sheet includes, by weight: carbon (C): 0.2 to 1.5%, manganese (Mn): 10 to 25%, aluminum (Al): 0.01 to 3.0%, phosphorus (P) 0.03% or less, sulfur (S): 0.03% or less, nitrogen (N): 0.040% or less, at least one selected from the group consisting of silicon (Si): 0.02 to 2.5%, titanium (Ti): 0.01 to 0.10% and niobium (Nb): 0.01 to 0.10%, and the balance of Fe and other inevitable impurities. The high manganese steel sheet may be a hot-rolled steel sheet, a cold-rolled steel sheet, or a plated steel sheet, and is suitable for elaborate internal sheets as well as structural members of a car body since it has press workability due to the high elongation and high strain hardening index. Also, the high manganese steel sheet may be used for parts such as a front side member of an automobile since, among its characteristics, the steel sheet has an excellent impact absorbing ability.

    摘要翻译： 提供了由于高屈服强度而由于高伸长率和优异的耐冲击性而具有优异的可加工性的高加工性高强度钢板及其制造方法。 高锰钢板包括：碳（C）：0.2〜1.5％，锰（Mn）：10〜25％，铝（Al）：0.01〜3.0％，磷（P）0.03％以下，硫 （S）：0.03％以下，氮（N）：0.040％以下，选自硅（Si）：0.02〜2.5％，钛（Ti）：0.01〜0.10％和铌（ Nb）：0.01〜0.10％，余量为Fe等不可避免的杂质。 高锰钢板可以是热轧钢板，冷轧钢板或镀覆钢板，并且适用于精密的内部板材以及车身的结构构件，因为它具有由于 高伸长率和高应变硬化指数。 此外，高锰钢板也可以用于汽车的前侧部件等部件，因为其特征在于具有优异的冲击吸收能力。