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    MOLTEN Al-Zn-Mg-Si-PLATED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
    1.
    发明公开
    MOLTEN Al-Zn-Mg-Si-PLATED STEEL SHEET AND MANUFACTURING METHOD THEREFOR 审中-公开
    熔铸铝锌锰镁硅钢片及其制造方法

    公开(公告)号：EP3266900A1

    公开(公告)日：2018-01-10

    申请号：EP16759061.1

    申请日：2016-03-02

    申请人： JFE Galvanizing&coating Co., Ltd ,  JFE Steel Corporation

    发明人： OOI, Toshihiko ,  SATO, Yohei ,  TOBIYAMA, Yoichi ,  OKUMA, Toshiyuki ,  FURUTA, Akihiko ,  YOSHIDA, Masahiro ,  SUZUKI, Yoshitsugu ,  ANDO, Satoru ,  MATSUZAKI, Akira

    IPC分类号： C23C2/12 ,  C22C18/04 ,  C22C21/10 ,  C22C30/06 ,  C23C2/28

    CPC分类号： C23C2/06 ,  C22C18/04 ,  C22C21/10 ,  C22C30/06 ,  C23C2/12 ,  C23C2/28

    摘要： Provided is a hot-dip Al-Zn-Mg-Si coated steel sheet having good corrosion resistance in flat parts and edge parts, and also having excellent worked part corrosion resistance. The hot-dip Al-Zn-Mg-Si coated steel sheet includes a base steel sheet and a hot-dip coating on a surface of the base steel sheet. The hot-dip coating includes an interfacial alloy layer present at an interface with the base steel sheet and a main layer present on the interfacial alloy layer, and contains from 25 mass% to 80 mass% of Al, from greater than 0.6 mass% to 15 mass% of Si, and from greater than 0.1 mass% to 25 mass% of Mg. The Mg content and Si content in the hot-dip coating satisfy formula (1): M Mg / M Si − 0.6 > 1.7 where M Mg represents the Mg content (mass%) and M Si represents the Si content (mass%).

    摘要翻译： 本发明提供一种在平坦部和端部具有良好的耐腐蚀性的热浸镀Al-Zn-Mg-Si系钢板，并且还具有优异的加工部耐腐蚀性。 热浸镀Al-Zn-Mg-Si系钢板包含母材钢板和母材钢板表面的热浸镀层。 热浸镀膜包括存在于与母材钢板的界面处的界面合金层和存在于界面合金层上的主层，并且包含25质量％至80质量％的Al，大于0.6质量％至 15质量％的Si和大于0.1质量％至25质量％的Mg。 热浸涂层中的Mg含量和Si含量满足式（1）：MMg / MSi-0.6> 1.7，其中MMg表示Mg含量（质量％），MSi表示Si含量（质量％）。

    HIGH-STRENGTH HOT-DIP GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME
    6.
    发明公开
    HIGH-STRENGTH HOT-DIP GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME 有权
    VERFAHREN ZUR HERSTELLUNG EINES HOCHFESTEN HEISSVERZINKTEN STAHLBLECHES

    公开(公告)号：EP2415896A1

    公开(公告)日：2012-02-08

    申请号：EP10758907.9

    申请日：2010-03-30

    申请人： JFE Steel Corporation

    发明人： FUSHIWAKI, Yusuke ,  SUGIMOTO, Yoshiharu ,  YOSHIDA, Masahiro ,  SUZUKI, Yoshitsugu

    IPC分类号： C23C2/06 ,  C21D1/74 ,  C21D9/46 ,  C22C38/00 ,  C22C38/06 ,  C22C38/58 ,  C23C2/28 ,  C23C2/40

    CPC分类号： C23C2/12 ,  C21D1/26 ,  C21D9/46 ,  C21D9/561 ,  C21D2211/004 ,  C21D2211/005 ,  C22C1/002 ,  C23C2/02 ,  C23C2/06 ,  C23C2/28 ,  C23C2/40

    摘要： Provided is a method for manufacturing a high-strength galvanized steel sheet, made from a steel sheet containing Si and/or Mn, having excellent exfoliation resistance during heavy machining. When a steel sheet containing 0.01% to 0.18% C, 0.02% to 2.0% Si, 1.0% to 3.0% Mn, 0.001% to 1.0% Al, 0.005% to 0.060% P, and 0.01% or less S on a mass basis, the remainder being Fe and unavoidable impurities, is annealed and galvanized in a continuous galvanizing line, a temperature region with a furnace temperature of A°C to B°C (600 ≤ A ≤ 780 and 800 ≤ B ≤ 900) is performed at an atmosphere dew-point temperature of -5°C or higher in a heating process.

    摘要翻译： 提供一种由含有Si和/或Mn的钢板制成的高强度镀锌钢板的方法，其在重型加工过程中具有优异的耐剥离性。 当以质量计含有0.01％至0.18％的C，0.02％至2.0％的Si，1.0％至3.0％的Mn，0.001％至1.0％的Al，0.005％至0.060％的P和0.01％或更低的S 剩余部分为Fe和不可避免的杂质，在连续镀锌生产线中退火和镀锌，炉温为A°C至B°C（600‰¤A‰¤780和800‰B‰¤900 ）在加热过程中在-5℃以上的气氛露点温度下进行。

    Al-Zn-BASED PLATED STEEL SHEET
    8.
    发明公开
    Al-Zn-BASED PLATED STEEL SHEET 有权
    铝锌基钢板

    公开(公告)号：EP2980260A1

    公开(公告)日：2016-02-03

    申请号：EP14774993.1

    申请日：2014-03-19

    申请人： JFE Steel Corporation

    发明人： MORIMOTO, Minako ,  YOSHIDA, Masahiro ,  ANDO, Satoru

    IPC分类号： C23C2/12 ,  C22C21/10 ,  C23C2/06

    CPC分类号： C22C21/10 ,  B32B15/012 ,  C23C2/02 ,  C23C2/12 ,  C23C2/26 ,  C23C2/405 ,  C23C28/021

    摘要： An Al-Zn-coated steel sheet that suppresses blistering and offers good corrosion resistance after painting is provided.
    An Al-Zn-coated steel sheet includes an Al-Zn coating layer on a steel sheet surface, the Al-Zn coating layer including two layers which are an interfacial alloy layer present in an interface with a base steel sheet and an upper layer disposed on the interfacial alloy layer. The upper layer contains compounds of Si and Ca or Si, Ca, and Al, and Ca/Si mass% ratio in the upper layer is 0.72 to 1.4. The interfacial alloy layer contains an Fe-Al compound and/or an Fe-Al-Si compound. In the upper layer, Si content is 0.1 to 2.0 mass% and Ca content is 0.001 to 2.0 mass%.

    摘要翻译： 提供一种抑制起泡并且在涂漆后提供良好的耐腐蚀性的Al-Zn涂覆的钢板。 本发明提供一种Al-Zn系钢板，其特征在于，在钢板表面具有Al-Zn系被覆层，该Al-Zn系被覆层包含作为与母材钢板的界面存在的界面合金层的两层， 在界面合金层上。 上层含有Si和Ca或者Si，Ca和Al的化合物，上层中的Ca / Si质量％比为0.72〜1.4。 界面合金层含有Fe-Al化合物和/或Fe-Al-Si化合物。 在上层中，Si含量为0.1〜2.0质量％，Ca含量为0.001〜2.0质量％。

    ALUMINIUM OR ALUMINIUMALLOY COATED STEEL MATERIAL AND METHOD FOR MANUFACTURING THE SAME
    9.
    发明公开
    ALUMINIUM OR ALUMINIUMALLOY COATED STEEL MATERIAL AND METHOD FOR MANUFACTURING THE SAME 有权
    全铝合金涂装钢材及其制备方法的

    公开(公告)号：EP2792764A1

    公开(公告)日：2014-10-22

    申请号：EP12856630.4

    申请日：2012-12-10

    申请人： JFE Steel Corporation ,  Tokyo Institute of Technology

    发明人： TSURU, Tooru ,  MARUYAMA, Toshio ,  SATO, Tatsuo ,  TAKEYAMA, Masao ,  YOSHIDA, Masahiro ,  FUJITA, Sakae ,  SUZUKI, Sachiko ,  ANDO, Satoru ,  NAKAMARU, Hiroki

    IPC分类号： C23C2/12 ,  C22C21/06

    CPC分类号： C23C2/12 ,  C21D1/673 ,  C21D8/0473 ,  C21D8/0478 ,  C21D2211/004 ,  C22C21/06 ,  C23C2/28 ,  Y10T428/12757

    摘要： An object of the present invention is to provide an aluminum or aluminum alloy-coated steel material having better corrosion resistance than the conventional aluminum or aluminum alloy-coated steel material, together with a manufacturing method thereof. Specifically, the present invention provides an aluminum or aluminum alloy-coated steel material, comprising: base steel; and a coating layer formed on a surface of the base steel and containing by mass % Mg: 6% to 10%, Si: 3% to 7%, Fe: 0.2% to 2%, Mn: 0.02% to 2%, and the balance as Al and incidental impurities, wherein the coating layer has αAl-Mg 2 Si-(Al-Fe-Si-Mn) pseudoternary eutectic microstructure and area ratio of the microstructure in the coating layer is at least 30%.

    摘要翻译： 本发明的目的是用其制造方法，以提供具有比传统的铝或铝合金涂覆的钢材更好的耐腐蚀性的铝或涂铝合金钢材，在一起。 具体而言，本发明提供了铝或铝合金涂覆的钢材料，包括：基体钢; 和形成在基体钢的表面上，并且以质量％计的Mg含有涂覆层：6％至10％以下，Si：3％至7％，Fe为0.2％至2％以下，Mn：0.02％至2％，和 剩余部分由Al及不可避免的杂质，worin涂层具有±的Al-Mg 2的Si（Al-Fe系的Si-Mn系）在涂层中的微结构的伪三元共晶组织和面积比为至少30％。

    HIGH-STRENGTH HOT-DIP GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME
    10.
    发明公开
    HIGH-STRENGTH HOT-DIP GALVANIZED STEEL PLATE AND METHOD FOR PRODUCING SAME 审中-公开
    VERFAHREN ZU IHRER HERSTELLUNG HOCHFESTE FEUERVERZINKTE STAHLPLATTE

    公开(公告)号：EP2407572A1

    公开(公告)日：2012-01-18

    申请号：EP10758934.3

    申请日：2010-03-31

    申请人： JFE Steel Corporation

    发明人： FUSHIWAKI, Yusuke ,  SUGIMOTO, Yoshiharu ,  YOSHIDA, Masahiro ,  SUZUKI, Yoshitsugu

    IPC分类号： C23C2/02 ,  C21D1/74 ,  C21D9/46 ,  C22C18/00 ,  C22C38/00 ,  C22C38/06 ,  C22C38/58 ,  C23C2/06 ,  C23C2/28

    CPC分类号： C23C2/28 ,  C21D1/26 ,  C21D9/46 ,  C21D9/48 ,  C21D9/561 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/02 ,  C23C2/12 ,  C23C2/40

    摘要： There is provided a method for producing a high-strength hot-dip galvanized steel sheet including a steel sheet containing, in percent by mass, 0.01% to 0.18% of C, 0.02% to 2.0% of Si, 1.0% to 3.0% of Mn, 0.001% to 1.0% of Al, 0.005% to 0.060% of P, 0.01% or less of S, and the balance being Fe and incidental impurities, and a galvanized coating layer on each surface of the steel sheet with a coating weight of 20 to 120 g/m 2 per surface, in which, when the steel sheet is subjected to annealing and a hot-dip galvanizing treatment in a continuous hot-dip galvanizing line, the dew point of the atmosphere is controlled to -40°C or lower in the annealing furnace temperature range of 750°C or higher. By this production method, it is possible to obtain a high-strength hot-dip galvanized steel sheet having excellent corrosion resistance and resistance to peeling of coating during high-level work.

    摘要翻译： 提供一种高强度热浸镀锌钢板的制造方法，该高强度热镀锌钢板含有以质量计含有0.01％〜0.18％C，0.02〜2.0％Si，1.0〜3.0％ Mn，0.001〜1.0％的Al，0.005〜0.060％的P，0.01％以下的S，余量为Fe和附带的杂质，镀锌层在镀锌钢板的表面上具有涂层重量 每个表面为20〜120g / m 2，其中当在连续热浸镀锌生产线中对钢板进行退火和热浸镀锌处理时，将大气的露点控制在-40℃ 在退火炉温度范围为750℃以上时，℃以下。 通过该制造方法，可以获得在高级工作中具有优异的耐腐蚀性和耐剥离性的高强度热浸镀锌钢板。