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    HIGH-MANGANESE STEEL WITH SUPERIOR WELDABILITY AND METHOD FOR MANUFACTURING HOT-DIPPED GALVANIZED STEEL SHEET FROM SAME
    1.
    发明申请
    HIGH-MANGANESE STEEL WITH SUPERIOR WELDABILITY AND METHOD FOR MANUFACTURING HOT-DIPPED GALVANIZED STEEL SHEET FROM SAME 审中-公开
    具有优越的焊接性的高锰钢和从其制造热镀锌钢板的方法

    公开(公告)号：US20140209216A1

    公开(公告)日：2014-07-31

    申请号：US14240943

    申请日：2012-08-23

    申请人： Kwang-Geun Chin ,  Sun-Ho Jeon

    发明人： Kwang-Geun Chin ,  Sun-Ho Jeon

    IPC分类号： C22C38/58 ,  C22C38/54 ,  C22C38/50 ,  C22C38/38 ,  C22C38/34 ,  C22C38/00 ,  C22C38/28 ,  C22C38/14 ,  C22C38/08 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C23C2/02 ,  C22C38/32

    摘要： The present invention relates to high-manganese steel with superior weldability and to a method for manufacturing hot-dipped galvanized steel sheets from same. The high-manganese steel according to one aspect of the present invention is characterized by comprising, by weight %: C: 0.3-1%; Mn: 8-25%; Al: 1-8%; Si: 0.1-3.0%; Ti: 0.01-0.2%; Sn: 0.06-0.2%; and B: 0.0005-0.01%, with the remainder being Fe and unavoidable impurities. The present invention may provide high-manganese hot-dipped galvanized steel sheets, having high strength and processability and superior surface quality, which can prevent plating failures caused by manganese.

    摘要翻译： 本发明涉及具有优良焊接性的高锰钢及其制造方法。 根据本发明的一个方面的高锰钢的特征在于，以重量％计含有：C：0.3-1％ Mn：8-25％; Al：1-8％ Si：0.1-3.0％; Ti：0.01-0.2％; Sn：0.06-0.2％; 和B：0.0005-0.01％，其余为Fe和不可避免的杂质。 本发明可以提供具有高强度，加工性和优异表面质量的高锰热镀锌钢板，可以防止由锰引起的电镀故障。

    Method for Manufacturing Bake-Hardenable High-Strength Cold-Rolled Steel Sheet
    5.
    发明申请
    Method for Manufacturing Bake-Hardenable High-Strength Cold-Rolled Steel Sheet 审中-公开
    制造可烘烤高强度冷轧钢板的方法

    公开(公告)号：US20090272468A1

    公开(公告)日：2009-11-05

    申请号：US12499829

    申请日：2009-07-09

    申请人： Seong-Ho Han ,  Tae-Kyu Kim ,  Sang-Ho Han ,  San-Kyung Ko ,  Kwang-Geun Chin ,  Hee-Jae Kang

    发明人： Seong-Ho Han ,  Tae-Kyu Kim ,  Sang-Ho Han ,  San-Kyung Ko ,  Kwang-Geun Chin ,  Hee-Jae Kang

    IPC分类号： C21D8/02

    CPC分类号： C22C38/02 ,  C21D9/46 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12

    摘要： A bake-hardenable high-strength cold-rolled steel sheet, a hot-dipped steel sheet thereof, and a method for manufacturing the same. The steel sheet comprises 0.0016˜0.01% of C; 0.1% or less of Si; 0.2˜1.5% of Mn; 0.05˜0.15% of P; 0.01% or less of S; 0.08˜0.5% of (soluble) Al; 0.0025% or less of N; 0.003˜0.1% of Nb; 0.003% or less of Ti; 0.01˜0.4% of Mo; 0.0005˜0.005% of B; and the balance of Fe and other unavoidable impurities, in terms of weight %. The method includes the steps of heating a steel slab of the above composition to a temperature of 1,200° C. or more; and then hot rolling the steel slab with finish rolling at or above the Ar3 temperature to provide a hot rolled steel sheet; coiling the hot rolled steel sheet; cold rolling the hot rolled and coiled sheet; and continuous annealing the cold rolled sheet.

    摘要翻译： 一种可烘烤硬化性高强度冷轧钢板，其热浸钢板及其制造方法。 该钢板含有0.0016〜0.01％的C; 0.1％以下的Si; 0.2〜1.5％的Mn; 0.05〜0.15％P; 0.01％以下的S; 0.08〜0.5％（可溶）Al; 0.0025％以下N; 0.003〜0.1％的Nb; 0.003％以下的Ti; 0.01〜0.4％Mo; 0.0005〜0.005％B; 余量为Fe等不可避免的杂质，以重量％计。 该方法包括以下步骤：将上述组成的钢坯加热至1200℃以上的温度; 然后在Ar3温度以上的精轧下对钢坯进行热轧，得到热轧钢板; 卷取热轧钢板; 冷轧热轧卷盘; 并对冷轧板进行连续退火。

    STEEL SHEET FOR GALVANIZING WITH EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING THE SAME
    7.
    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。