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1. 发明专利

JP2011235339A Continuous casting method and continuous casting device 有权
标题翻译：连续铸造方法和连续铸造装置
公开(公告)号：JP2011235339A
公开(公告)日：2011-11-24
申请号：JP2010110775
申请日：2010-05-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJI TAKEHIKO , HARADA HIROSHI , KONNO TOSHIHIRO , IMAWAKA HIROSHI
IPC分类号： B22D11/10 , B22D41/50 , B22D41/58
摘要： PROBLEM TO BE SOLVED: To effectively float and separate a micro inclusion in molten steel, in a process for injecting the molten steel inside a ladle into a tundish via a nozzle of a ladle bottom face.SOLUTION: A gas space G for an inert gas is formed in the periphery of an injection flow of the molten steel M in an inside of the injection nozzle 10 of the ladle 2 bottom face, and the inert gas is swirled into the molten steel, when the injection flow collides with a molten steel face in the injection nozzle 10, to generate fine bubbles of the inert gas. The molten steel flow delivered from a delivery port 14 of the injection nozzle 10 is stirred in an inside of a stirring box 21 provided in a bottom part inside the tundish 20, and flocculation of the micro inclusion in the molten steel with the bubbles is promoted therein to float and separate the inclusion.
摘要翻译：待解决的问题：为了有效地将钢水中的微量夹杂物浮起和分离，在钢包内部的钢水通过钢包底面的喷嘴将钢水注入中间包的过程中。解决方案：在钢包2底面的喷嘴10的内部，在钢水M的喷射流的周围形成用于惰性气体的气体空间G，并将惰性气体旋转到当喷射流与注射喷嘴10中的钢水面碰撞时，钢水产生微小的惰性气体气泡。从喷嘴10的输送口14输送的钢水流在中间包20内的底部的搅拌箱21的内部进行搅拌，促进钢水中的微夹杂物与气泡的凝聚在其中浮动并分离包含。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2009299137A High strength steel sheet having excellent stretch flange formability and fatigue property, and method for refining molten metal thereof 有权
标题翻译：具有优异的拉伸法兰形状和疲劳性能的高强度钢板以及用于精炼其金属的方法
公开(公告)号：JP2009299137A
公开(公告)日：2009-12-24
申请号：JP2008155655
申请日：2008-06-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAMOTO KENICHI , SASAI KATSUHIRO , YAMAMURA HIDEAKI , HARADA HIROSHI , KAWASAKI KAORU
IPC分类号： C22C38/00 , C21C7/00 , C21C7/04 , C21D9/46 , C22C38/14 , C22C38/38
CPC分类号： C21C7/0006 , C21C7/06 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/14 , Y10T428/1266
摘要： PROBLEM TO BE SOLVED: To provide a high fatigue property-low yield ratio high strength steel sheet having excellent stretch flange formability. SOLUTION: The high strength steel sheet having excellent stretch flange formability and fatigue properties has a composition containing, by mass, 0.03 to 0.20% C, 0.08 to 1.5% Si, 1.0 to 3.0% Mn, ≤0.05% P, 0.0005 to 0.02% S, 0.0005 to 0.01% N, ≤0.01% acid soluble Al, 0.08 to 0.2% acid soluble Ti and one or two kinds selected from Ce and La by 0.0005 to 0.04% in total, and, in which, by a mass base, a (Ce+La)/acid soluble Al ratio is ≥0.1, also, a (Ce+La)/S ratio is 0.4 to 50, and the balance iron with inevitable impurities, and the number density of inclusions with a circle equivalent diameter of ≤2 μm present in the steel sheet is ≥15 pieces/mm 2 . COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的拉伸凸缘成形性的高疲劳性能低屈服比的高强度钢板。解决方案：具有优异的拉伸凸缘成形性和疲劳性能的高强度钢板具有质量分数为0.03〜0.20％的C，0.08〜1.5％的Si，1.0〜3.0％的Mn，≤0.05％的P，0.0005 至0.02％S，0.0005〜0.01％N，≤0.01％酸溶性Al，0.08〜0.2％酸溶性Ti和选自Ce和La中的一种或两种，总计为0.0005〜0.04％，其中，质量碱，（Ce + La）/酸溶性Al比≥0.1，a（Ce + La）/ S比为0.4〜50，余量为铁和不可避免的杂质，含有存在于钢板中的圆当量直径≤2μm≥15个/ mm 2 。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009039745A Powder for continuous casting, and method for continuously casting steel 有权
标题翻译：用于连续铸造的粉末，以及用于连续铸钢的方法
公开(公告)号：JP2009039745A
公开(公告)日：2009-02-26
申请号：JP2007206707
申请日：2007-08-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HARADA HIROSHI , NAGASHIMA MASAKI , KONNO TOSHIHIRO
IPC分类号： B22D11/108 , B22D11/00 , C22C38/00 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide powder for continuous casting, and a method for continuously casting steel by which, the viscosity of molten slag formed in a mold is maintained at an adequate value, the excessive forming of slag bear is prevented, and the forced cooling of solidification shell in the mold can be performed in the continuous casting of high-Si and high-Al steel.
SOLUTION: The powder for continuous casting contains, by mass, 5-15% MgO, ≥10%Na
2 O, and ≤5% Al
2 O
3 with T.CaO/SiO
2 being ≤0.5 in terms of mass ratio, and the viscosity at 1,300°C is 2 O, and ≤20% Al
2 O
3 with T.CaO/SiO
2 being ≤1 in terms of mass ratio, and the viscosity at 1,300°C is ≤1 Pa s, and the solidification temperature is ≤1,200°C.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供连续铸造用粉末，以及连续铸造钢的方法，其中在模具中形成的熔渣的粘度保持在适当的值，防止了炉渣的过度成形，并且可以在高Si和高Al钢的连续铸造中进行模具中的凝固壳的强制冷却。
解决方案：连续铸造用粉末含有5-15％MgO，≥10％Na 2 O，≤5％Al 2 O < SB> 3 ，其中T.CaO / SiO 2 以质量比计≤0.5，1,300℃时的粘度为<1Pa·s，固化温度≤0.050 C。在连续铸造钢的方法中，在模具中形成的熔融渣中含有5-15％的MgO，10-20％的Na 2 O和≤20％的Al 2 < / SB> O 3 ，其中T.CaO / SiO 2 以质量比计≤1，1,300℃下的粘度≤1Pas，凝固温度≤1,200°C。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2007144438A Cast slab for grain oriented silicon steel sheet and method for producing the same 有权
标题翻译：用于颗粒导向的硅钢板的铸造板及其制造方法
公开(公告)号：JP2007144438A
公开(公告)日：2007-06-14
申请号：JP2005339903
申请日：2005-11-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HARADA HIROSHI , NAGASHIMA MASAKI , KONNO TOSHIHIRO , NANBA HIDEKAZU , MIZUKAMI KAZUSANE
IPC分类号： B22D11/00 , B22D11/10 , B22D11/108 , B22D11/11 , B22D11/115 , C21C7/00 , C21C7/04 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To stably produce an ultrahigh magnetic flux density grain oriented silicon steel sheet having excellent magnetic properties. SOLUTION: In the method for casting a cast slab for grain oriented silicon steel sheet, the content of Bi in a steel is controlled to 0.0005 to 0.05 mass%, a region divided by providing an upper weir is formed in a molten steel pool on the outlet side of a tundish, and, as an iron-coated wire filled with Bi or a Bi alloy is fed into the region, the flow rate density Q of the molten steel in an immersion nozzle obtained by dividing the flow rate of the molten steel by the inner area of the nozzle, and the thrust F of electromagnetic stirring for forming a rotating flow in the vicinity of the molten steel surface satisfy the relational inequalities of Q≥0.9(ton/m 2 /s), and 3,000≤F≤10,000(Pa/m). Further, the uniformity standard deviation σ/the average concentration A in the concentration of the Bi in the cast slab satisfies the relational inequalities of 0.0005≤A≤0.05(%), and σ/A≤0.2. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了稳定地制造磁特性优异的超高磁通密度晶粒取向硅钢板。解决方案：在用于铸造晶粒取向硅钢板的铸造板的方法中，将钢中的Bi含量控制在0.0005〜0.05质量％，通过在钢水中形成上部堰的区域在中间包的出口侧的池中，并且作为填充有Bi或Bi合金的铁包线被供给到该区域中，通过将浸入式喷嘴中的钢水流量喷嘴内部的钢水和用于在钢水表面附近形成旋转流的电磁搅拌推力F满足关系不等式Q≥0.9（ton / m 2 / s），3,000≤F≤10,000（Pa / m）。此外，铸坯中Bi的浓度的均匀性标准偏差σ/平均浓度A满足关系不等式为0.0005≤A≤0.05（％），σ/A≤0.2。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006131963A High-grade non-oriented electromagnetic steel sheet having stable magnetic property, and manufacturing method therefor 有权
标题翻译：具有稳定磁性的高级非定向电磁钢板及其制造方法
公开(公告)号：JP2006131963A
公开(公告)日：2006-05-25
申请号：JP2004323198
申请日：2004-11-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SHIMAZU TAKAHIDE , HARADA HIROSHI , WAKIZAKA TAKEAKI , ABE NORITO
IPC分类号： C22C38/00 , C21D8/12 , C22C38/34 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a high-grade non-oriented electromagnetic steel sheet which has excellently stable magnetic properties, and at the same time is superior in productivity, particularly in a pickling property, and to provide a manufacturing method therefor. SOLUTION: The non-oriented electromagnetic steel sheet having the stable magnetic properties comprises, by mass%, 0.005% or less C, 1.8-4% Si, 1% or less Mn, 0.0010-0.0040% S, 0.005% or less N, 0.2-1% Al, 0.0005-0.010% REM, 0.02-0.2% Cr, 0.01-0.2% Sn, 0.0010-0.0050% Ti and the balance substantially iron. The manufacturing method comprises: cold-rolling a steel plate having the above composition; continuously annealing the steel sheet at 1,100°C or lower; and subjecting it to stress relief annealing. Thus manufactured high-grade non-oriented electromagnetic steel sheet acquires the adequate magnetic properties. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有优异的磁性能的高档无取向电磁钢板，同时生产率，特别是酸洗性能优异，并提供其制造方法。解决方案：具有稳定磁特性的无取向电磁钢板以质量％计含有C：0.005％以下，Si：1.8〜4％，1％以下Mn，0.0010〜0.0040％，S：0.005％或较少的N，0.2-1％的Al，0.0005-0.010％的REM，0.02-0.2％的Cr，0.01-0.2％的Sn，0.0010-0.0050％的Ti，余量基本上是铁。制造方法包括：冷轧具有上述组成的钢板; 在1100℃以下连续退火钢板; 并对其进行消除应力退火。这样制造的高档无取向电磁钢板获得足够的磁特性。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005036304A METHOD OF PRODUCING HOT DIP Zn-Mg-Al BASED PLATED STEEL SHEET HAVING EXCELLENT APPEARANCE 有权
标题翻译：生产具有优异外观的热镀锌锌镁合金钢板的方法
公开(公告)号：JP2005036304A
公开(公告)日：2005-02-10
申请号：JP2003430019
申请日：2003-12-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NISHIMURA KAZUMI , SAWAI TAKASHI , TAKEUCHI EIICHI , HARADA HIROSHI , NIIGASHIRA HIDETOSHI , MATSUOKA HIDEO , MIYAZAKI ATSUSHI
IPC分类号： C23C2/26 , C23C2/02 , C23C2/06 , C23C2/12
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a hot dip Zn-Mg-Al based plated steel sheet having excellent appearance. SOLUTION: As for the method of producing a hot dip Zn-Mg-Al based plated steel sheet having excellent appearance, in a method of producing a hot dip Zn-Mg-Al based plated steel sheet where a steel sheet is dipped into a coating bath comprising, by mass, 0.1 to 60% Al and 0.1 to 10% Mg and is taken up from the bath, and, after the control of the coating weight by wiping, the hot dip plated steel sheet is cooled to solidify the plating layer, after the control of the coating weight, before the cooling, the surface of the plating layer in the non-solidified state is contacted with a solid surface, so that solidified nuclei are formed inside the plating layer. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种具有优异外观的热浸Zn-Mg-Al系镀覆钢板的制造方法。＆lt; P＆gt;解决方案：在制造具有优异外观的热浸Zn-Mg-Al系镀覆钢板的方法中，在制造浸渍Zn-Mg-Al系镀层钢板的方法中，进入包含质量为0.1〜60％的Al和0.1〜10％的Mg并从浴中吸收的涂布浴中，并且通过擦拭控制涂布重量后，将该热浸镀钢板冷却固化镀层在控制涂层重量之后，在冷却之前，将非固化状态的镀层的表面与固体表面接触，从而在镀层内形成固化的核。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005029883A Cu-CONTAINING STEEL MATERIAL HAVING SUPERIOR SURFACE QUALITY, AND MANUFACTURING METHOD THEREFOR 有权
标题翻译：具有高分子表面质量的含铜钢材及其制造方法
公开(公告)号：JP2005029883A
公开(公告)日：2005-02-03
申请号：JP2003313445
申请日：2003-09-05
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KONDO YASUMITSU , KAWASAKI KAORU , HARADA HIROSHI , OHASHI WATARU
IPC分类号： B21B45/00 , B21B3/02 , C21D1/76 , C21D8/02 , C21D9/00 , C22C38/00 , C22C38/04 , C22C38/08 , C22C38/16 , C22C38/60
CPC分类号： C22C38/08 , B21B3/02 , C21D1/76 , C21D8/02 , C21D9/00 , C22C38/004 , C22C38/008 , C22C38/04 , C22C38/16 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a Cu-containing steel material which inhibits red shortness from occurring in the steel material due to Cu when the steel material is hot-rolled, and has a superior surface quality, and to provide a manufacturing method therefor. SOLUTION: The Cu-containing steel material has oxidized scale on the surface, has a Cu concentration C Cu of 0.05 to 3 mass% in a base metal, and has E Cu (μg×cm -2 ) of less than 18.6C Cu ×d, which is a quantity of concentrated Cu in the vicinity of an interface between the oxidized scale and ferrite, per unit surface area, where d (mm) is an effective thickness of the steel material and is determined by dividing the area (s) of a cross section perpendicular to a rolling direction of the steel material by a peripheral length (l). The manufacturing method comprises heating the steel material in a heating furnace having an atmosphere of a low oxygen concentration to form a scale layer formed of only a wustite layer, and to evaporate/dissipate molten Cu existing in the interface between the scale/matrix; or alternatively heating the steel material, extracting it from the heating furnace, and carrying out descaling treatment on it twice or more times during the first hot rolling process. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种含铜钢材，其在钢材热轧时抑制由于Cu导致的钢材中的红色短路，并且具有优异的表面质量，并且提供制造方法。解决方案：含铜钢材在表面具有氧化垢，在贱金属中Cu含量为0.05〜3质量％，并且具有E Cu < / SB>（μg×cm -2 ）小于18.6℃×d，其是在氧化垢之间的界面附近的浓缩Cu的量铁素体，单位面积，d（mm）为钢材的有效厚度，通过将与钢材的轧制方向垂直的截面的面积除以周长（l ）。该制造方法包括在具有低氧浓度的气氛的加热炉中加热钢材以形成仅由方铁矿层形成的氧化皮层，并蒸发/消散存在于氧化皮/基体之间的界面中的熔融铜; 或者加热钢材，从加热炉取出，并在第一次热轧过程中对其进行两次或更多次的除垢处理。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2011089852A Device and method for deriving cast piece surface temperature 有权
标题翻译：用于传送铸件表面温度的装置和方法
公开(公告)号：JP2011089852A
公开(公告)日：2011-05-06
申请号：JP2009242727
申请日：2009-10-21
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMANA MASAAKI , HARADA HIROSHI , NAGASHIMA MASAKI , KONNO TOSHIHIRO
IPC分类号： G01K7/36
摘要： PROBLEM TO BE SOLVED: To reduce a burden of preparing the "relation between cast piece surface temperature and induced voltage" which is needed for determining the surface temperature of a cast piece from the induced voltage arising from a change in magnetic lines of force occurring when an alternating current magnetic field is impressed on the cast piece.
SOLUTION: An arithmetic device 29 stores beforehand the data of a reference temperature calibration curve 51 (maximum induced voltage V
kmax , minimum induced voltage V
kmin ) of a sensor 21a for measuring a cast piece temperature, which is used as a reference, and the maximum induced voltage V
max and the minimum induced voltage V
min of a sensor 21b for measuring the cast piece temperature. When the induced voltage V is measured by the sensor 21b for measuring the cast piece temperature, a corrective induced voltage V
a is derived according to [V
a =V
kmax -(V
max -V)×{(V
kmax -V
kmin )÷(V
max -V
min )}], and a temperature corresponding to the corrective induced voltage V
a is determined from the reference temperature calibration curve 51 and made the surface temperature of the short side of the case piece 15 on the sensor 21b side.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了减少由铸造件表面温度变化引起的感应电压确定铸件表面温度所需的“铸件表面温度与感应电压之间的关系”的负担，施加交流磁场时施加在铸件上的力。解决方案：运算装置29预先存储传感器的基准温度校准曲线51（最大感应电压V kmax ，最小感应电压V kmin ）的数据用于测量作为基准的铸件温度的21a和用于测量的传感器21b的最大感应电压V SB max和/或最小感应电压V SB> 铸件温度。当传感器21b测量感应电压V以测量铸件温度时，根据[V SB = a = V 导出校正感应电压V < KMAX - （V MAX -V）×A（V KMAX -V kmin个）÷（V MAX < / SB> -V min ）}]，并且从参考温度校准曲线51确定与校正感应电压V a 相对应的温度，在传感器21b侧的壳体片15的短边。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011089845A Device and method for measuring state of cast piece, and computer program 有权
标题翻译：用于测量铸件状态的装置和方法以及计算机程序
公开(公告)号：JP2011089845A
公开(公告)日：2011-05-06
申请号：JP2009242658
申请日：2009-10-21
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HARADA HIROSHI , YAMANA MASAAKI , NAGASHIMA MASAKI , KONNO TOSHIHIRO
IPC分类号： G01K7/36 , B22D11/16 , G01B7/00
摘要： PROBLEM TO BE SOLVED: To measure a cast piece surface temperature and the amount of bulging independently.
SOLUTION: Provided are: an exciting coil 21 impresses an alternating current magnetic field perpendicularly on the surface of the short side of a cast piece 15, below a short side member 11 of a mold 10; a front side detecting coil 22 which detects a change of the alternating current magnetic field in a position relatively near to the cast piece 15; and a back side detecting coil 23 which detects the change of the alternating current magnetic field in a position more distant from the cast piece 15 than the exciting coil 21. The relation between induced electromotive force and the cast piece surface temperature about each gap is determined for each of the detecting coils 22 and 23, and relations (graphs 91 and 92) between the cast piece surface temperature and the gaps are determined for the individual detecting coils 22 and 23, from the result of the determination, as to the induced electromotive force detected by the detecting coils 22 and 23. When the induced electromotive force is detected by the detecting coils 22 and 23, a point of intersection of the graphs 91 and 92 corresponding to the induced electromotive force is acquired, and the cast piece surface temperature corresponding to the acquired point of intersection and the amount of bulging based on the gap corresponding to this point of intersection are output.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：独立地测量铸件表面温度和膨胀量。提供：励磁线圈21将铸造件15的短边的表面上的交流磁场施加在模具10的短边构件11的下方。前侧检测线圈22，其检测相对靠近铸件15的位置的交变磁场的变化; 以及检测在比激励线圈21更远离铸件15的位置处的交变磁场的变化的背面检测线圈23.确定感应电动势和围绕每个间隙的铸件表面温度之间的关系对于每个检测线圈22和23，并且从各个检测线圈22和23确定铸件表面温度和间隙之间的关系（曲线图91和92），从感测结果来看，感应电动势由检测线圈22和23检测到的力。当通过检测线圈22和23检测到感应电动势时，获取对应于感应电动势的图形91和92的交点，并且铸件表面温度输出与获取的交点相对应的基于与该交点相对应的间隙的凸出量。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2008256605A Device and method for measuring surface temperature of cast piece 有权
标题翻译：用于测量铸件表面温度的装置和方法
公开(公告)号：JP2008256605A
公开(公告)日：2008-10-23
申请号：JP2007100779
申请日：2007-04-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HARADA HIROSHI , SAIDA ATSUYUKI , MAYUMI YASUHIRO , NAGASHIMA MASAKI , KONNO TOSHIHIRO
IPC分类号： G01K7/36
摘要： PROBLEM TO BE SOLVED: To provide a device and method for measuring the surface temperature of a cast piece capable of stably measuring the surface temperature of the cast piece for a long time under a severe condition in which a large amount of water, water vapor or the like exists.
SOLUTION: The device for measuring the surface temperature of the cast piece includes: an excitation coil 2 for applying an alternating current magnetic field substantially vertically to the surface of the cast piece 1; a detection coil 3 for detecting the alternating current magnetic field changed by the surface temperature of the cast piece 1; and a surface temperature derivation means for deriving induced electromotive force obtained by detecting the alternating current magnetic field with the detection coil and the surface temperature of the cast piece 1 from previously determined correspondence relationship data. The correspondence relationship data are data expressing correspondence relationship of the surface temperature of the cast piece of previously determined Curie point or lower and electromotive force.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于测量铸件的表面温度的装置和方法，其能够在严重条件下长时间稳定地测量铸件的表面温度，其中大量的水，水蒸汽等存在。解决方案：用于测量铸件表面温度的装置包括：用于向铸件1的表面基本垂直地施加交流磁场的励磁线圈2; 用于检测由铸件1的表面温度改变的交流磁场的检测线圈3; 以及表面温度导出装置，用于根据预先确定的对应关系数据导出通过检测线圈检测交流磁场和铸件1的表面温度而获得的感应电动势。对应关系数据是表示预先确定的居里点或更低的电动势的铸件的表面温度的对应关系的数据。版权所有（C）2009，JPO＆INPIT

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