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    MOLTEN STEEL DESULFURIZATION METHOD, MOLTEN STEEL SECONDARY REFINING METHOD, AND MOLTEN STEEL MANUFACTURING METHOD
    1.
    发明公开
    MOLTEN STEEL DESULFURIZATION METHOD, MOLTEN STEEL SECONDARY REFINING METHOD, AND MOLTEN STEEL MANUFACTURING METHOD 审中-公开
    法脱硫钢水方法钢水和方法二次精炼用于生产钢液

    公开(公告)号：EP2722405A1

    公开(公告)日：2014-04-23

    申请号：EP12823682.5

    申请日：2012-08-08

    申请人： JFE Steel Corporation

    发明人： KINOSHIRO, Satoshi ,  ITO, Toshiyuki ,  KAWABATA, Ryo ,  ISHIGE, Toshiro ,  FUJIMOTO, Kyoko ,  INOSE, Masao

    IPC分类号： C21C7/064 ,  C21C7/00 ,  G01N21/64 ,  G01N31/00

    CPC分类号： C21C7/0645 ,  C21C1/02 ,  C21C7/0006 ,  C21C7/0037 ,  C21C7/0075 ,  C21C7/0087 ,  C21C7/06 ,  C21C7/064 ,  C21C7/10 ,  C21C2007/0093 ,  C21C2300/08 ,  F27D19/00 ,  F27D21/00 ,  G01N21/64 ,  G01N21/645 ,  G01N33/0042 ,  Y02A50/248

    摘要： There are provided a method for desulfurizing molten steel, characterized in that a sample taken out from molten steel after the tapping from a converter or during the secondary refining is analyzed rapidly in a high accuracy by a method comprising a high frequency induction heating step wherein the sample is combusted and oxidized under the high frequency induction heating in a pure oxygen atmosphere to convert S in the sample into SO 2 and an analyzing step wherein SO 2 -containing gas produced in the high frequency induction heating step is analyzed through an ultraviolet fluorescence method to quantify S concentration of the sample, whereby S concentration of molten steel after the tapping from the converter can be controlled in a high accuracy to prevent failure of S concentration and also desulfurization time in the secondary refining can be shortened and the amount of the desulfurizer or the like used can be reduced, and a method of manufacturing molten steel by using such a method.

    摘要翻译： 提供了用于脱硫的钢水，其特征在于在没有从一个转换器或二次精炼期间轻敲后从钢水中取出的样品中通过的方法的高精确度快速分析，其包括高频感应加热工序worin所述的方法 样品燃烧并在纯氧气氛至S转换成样品的高频感应加热下氧化成SO 2和在分析步骤worin所以在高频感应加热工序中制造2种的气体被通过到紫外荧光法分析 以量化样品，由此，从转换器中的钢后的钢水S浓度可以高精确度地控制，以防止S浓度的故障，因此在二次精炼的脱硫时间可被缩短的S浓度和脱硫器的量 或使用等可以被减小，并且满足通过使用搜索的制造钢水的方法 HOD。

    METHOD AND DEVICE FOR PRODUCING SI-CONTAINING COLD ROLLED STEEL SHEET
    2.
    发明公开
    METHOD AND DEVICE FOR PRODUCING SI-CONTAINING COLD ROLLED STEEL SHEET 有权
    生产含SI冷轧钢板的方法和装置

    公开(公告)号：EP2692902A1

    公开(公告)日：2014-02-05

    申请号：EP12764994.5

    申请日：2012-03-26

    申请人： JFE Steel Corporation

    发明人： MATSUSHIMA, Tomohiro ,  INOSE, Masao ,  NAGOSHI, Masayasu ,  MASUOKA, Hiroyuki ,  AIZAWA, Shigeyuki ,  NORO, Hisato

    IPC分类号： C23G1/08 ,  C21D9/46 ,  C22C38/00 ,  C22C38/02 ,  C22C38/14

    CPC分类号： C23G3/027 ,  C21D8/0473 ,  C21D8/0478 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23G1/00 ,  C23G1/08 ,  C23G1/081 ,  C23G1/085 ,  C23G1/086 ,  C23G1/088 ,  C23G3/021

    摘要： This invention provides methods and apparatuses which can manufacture Si-containing cold rolled steel sheets exhibiting excellent chemical conversion properties even if a chemical conversion treatment solution is used at a lower temperature while minimally suppressing the generation of sludge as well as reducing running costs. The method includes steps of cold rolling a steel containing 0.5 to 3.0 mass% Si, continuously annealing the cold rolled steel sheet, pickling the surface of the continuously annealed cold rolled steel sheet, and repickling the surface of the pickled steel sheet with a non-oxidative acid. The repickling is performed such that a repickling solution is sampled continuously or periodically, an acid concentration in the sampled solution is measured, and the acid concentration in the repickling solution is regularly controlled within a prescribed concentration range.

    摘要翻译： 本发明提供了即使在较低温度下使用化学转化处理溶液，同时最小限度地抑制污泥产生并且降低运行成本的情况下，也能够制造具有优异化学转化特性的含Si冷轧钢板的方法和设备。 该方法包括以下步骤：冷轧包含0.5至3.0质量％Si的钢，连续退火冷轧钢板，酸洗连续退火的冷轧钢板的表面，并且用酸洗钢板重新酸洗酸洗钢板的表面， 氧化酸。 进行重新打搓，使得重新剔出溶液连续或定期取样，测量取样溶液中的酸浓度，并且重新捣解溶液中的酸浓度有规律地控制在规定的浓度范围内。

    SURFACE TREATED STEEL PLATE, MANUFACTURING METHOD THEREFOR, AND RESIN-COATED STEEL PLATE USING SAME
    6.
    发明公开
    SURFACE TREATED STEEL PLATE, MANUFACTURING METHOD THEREFOR, AND RESIN-COATED STEEL PLATE USING SAME 审中-公开
    OBERFLÄCHENBEHANDELTESTAHPLPLTETE，HERSTELLUNGSVERFAHRENDAFÜRUND HARZBESCHICHTETE STAHLPLATTE DAMIT

    公开(公告)号：EP2540867A1

    公开(公告)日：2013-01-02

    申请号：EP11759646.0

    申请日：2011-03-24

    申请人： JFE Steel Corporation

    发明人： MIYAMOTO, Yuka ,  SUZUKI, Takeshi ,  IWASA, Hiroki ,  NAKAMURA, Norihiko ,  INOSE, Masao ,  NORO, Hisato ,  TOBIYAMA, Yoichi

    IPC分类号： C23C28/00 ,  C25D9/10

    CPC分类号： C23C28/021 ,  C21D8/0221 ,  C21D8/0278 ,  C21D9/46 ,  C23C22/50 ,  C23G1/081 ,  C25D3/02 ,  C25D3/12 ,  C25D3/20 ,  C25D3/22 ,  C25D3/30 ,  C25D3/38 ,  C25D3/54 ,  C25D5/10 ,  C25D5/12 ,  C25D5/36 ,  C25D5/50 ,  C25D5/505 ,  C25D7/00 ,  C25D9/08 ,  C25D9/10 ,  C25F1/00 ,  Y10T428/12569 ,  Y10T428/12806

    摘要： A coated steel sheet includes a corrosion-resistant coating composed of at least one layer selected from the group consisting of a Ni layer, a Sn layer, an Fe-Ni alloy layer, an Fe-Sn alloy layer, and an Fe-Ni-Sn alloy layer disposed on at least one surface of a steel sheet, and an adhesive coating disposed on the corrosion-resistant coating, the adhesive coating containing Zr and further containing at least one metal element selected from the group consisting of Co, Fe, Ni, V, Cu, Mn, and Zn, in total, at a ratio by mass of 0.01 to 10 with respect to Zr. The coated steel sheet has excellent humid resin adhesion and corrosion resistance, in which streaky surface defects do not occur. Accordingly, when the coated steel sheet is coated with a resin, it is possible to obtain a resin-coated steel sheet excellent in the properties described above. Furthermore, in a method for producing the coated steel sheet, it is not necessary to use Cr which is strictly environmentally regulated.

    摘要翻译： 涂覆钢板包括由选自Ni层，Sn层，Fe-Ni合金层，Fe-Sn合金层和Fe-Ni-Ni合金层中的至少一层构成的耐腐蚀涂层， Sn合金层和设置在耐腐蚀涂层上的粘合剂涂层，所述粘合剂涂层含有Zr，并且还含有选自Co，Fe，Ni中的至少一种金属元素 ，V，Cu，Mn和Zn，相对于Zr，其质量比为0.01〜10。 涂层钢板具有优异的耐湿树脂附着力和耐腐蚀性，其中不会发生条纹表面缺陷。 因此，当涂覆有钢板的树脂时，可以获得上述特性优异的树脂涂覆钢板。 此外，在涂覆钢板的制造方法中，不需要使用严格环境规定的Cr。

    METHOD FOR ANALYZING NITROGEN IN METAL SAMPLES, DEVICE FOR ANALYZING NITROGEN IN METAL SAMPLES, METHOD FOR ADJUSTING NITROGEN CONCENTRATION IN MOLTEN STEEL, AND STEEL PRODUCTION METHOD
    10.
    发明公开
    METHOD FOR ANALYZING NITROGEN IN METAL SAMPLES, DEVICE FOR ANALYZING NITROGEN IN METAL SAMPLES, METHOD FOR ADJUSTING NITROGEN CONCENTRATION IN MOLTEN STEEL, AND STEEL PRODUCTION METHOD 审中-公开
    程序中镍含量的金属样品装置的在金属样品中氮浓度钢水和方法调整氮的分析，方法分析

    公开(公告)号：EP3139155A1

    公开(公告)日：2017-03-08

    申请号：EP15818600.7

    申请日：2015-05-14

    申请人： JFE Steel Corporation

    发明人： KINOSHIRO, Satoshi ,  INOSE, Masao

    IPC分类号： G01N21/67

    CPC分类号： G01N21/67 ,  B22D11/001 ,  B22D11/108 ,  B22D11/11 ,  B22D11/16 ,  C21C7/10 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  G01N21/73 ,  G01N33/0036 ,  G01N33/203 ,  G01N33/206

    摘要： Provided are a method for analyzing nitrogen in a metal sample with which nitrogen content in a metal sample is determined accurately and at low cost, an apparatus for analyzing nitrogen in a metal sample, a method for adjusting nitrogen concentration in molten steel, and a method for manufacturing steel.
    The method for analyzing nitrogen in a metal sample according to the present invention includes: a melting process in which a metal sample containing a nitrogen component is melted in an argon gas atmosphere by performing impulse heating to gasify the nitrogen component; and an analyzing process in which nitrogen content in the metal sample is determined by analyzing nitrogen gas generated in the melting process and the argon gas by using a gas discharge optical emission method. By analyzing the nitrogen concentration of a sample taken from molten steel by using the analysis method described above, and by determining treatment conditions for adjusting nitrogen concentration on the basis of the nitrogen analysis value derived by the analysis, nitrogen concentration in molten steel is adjusted.

    摘要翻译： 提供的是用于与金属样品中氮含量的金属分析样品中的氮的方法是确定性的开采准确地设置，并在成本低，装置的金属分析样品中的氮，在钢水调整氮浓度的方法，和一种方法 制造钢。 一种用于在金属样品gemäß到本发明分析氮的方法，包括：熔化过程，其中将含有氮成分的金属样品是通过执行脉冲加热气化的氮成分在熔化在氩气环境; 和在金属试样中哪氮含量分析过程确定性通过使用气体放电的光发射方法分析该氩气在熔化过程中产生的氮气和开采。 通过分析由使用上述的分析方法从钢水取出的样品中的氮浓度，并且通过对由分析得出的氮分析值的基础上调整氮浓度确定性采矿处理条件，在钢水中的氮浓度进行调整。