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21. 发明专利

JP2007061846A Continuous casting powder for boron-containing stainless steel, and continuous casting method 有权
标题翻译：用于含硼不锈钢的连续铸造粉末和连续铸造方法
公开(公告)号：JP2007061846A
公开(公告)日：2007-03-15
申请号：JP2005250523
申请日：2005-08-31
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： TODOROKI HIDEKAZU , SHIGA NATSUKI , ISHII TERUAKI , KANBE YUICHI , MIZUNO KENJI
IPC分类号： B22D11/108 , B22D11/00 , B22D11/20 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide continuous casting powder suitably used for the continuous casting of a boron-containing stainless steel; and to provide a continuous casting method for producing a boron-containing stainless steel slab free from surface defects using the powder.
SOLUTION: The molten steel of a boron-containing stainless steel comprising ≤0.2% C, ≤3% Si, ≤5% Mn, 15 to 25% Cr, 3 to 20% Ni, 0.5 to 1.5% B, and the balance Fe with inevitable impurities is continuously cast under the conditions of a drawing rate satisfying 550 to 900 mm/min and the degree of superheat in the molten metal satisfying 5 to 50°C using continuous casting powder containing 30 to 40% CaO, 30 to 40% SiO
2 , 10 to 15% Na
2 O, 1 to 5% Al
2 O
3 , 0.2 to 1.5% Li
2 O, 3 to 10% F and a 0.3 to
摘要翻译：待解决的问题：提供适合用于连续铸造含硼不锈钢的连续铸造粉末; 并提供使用该粉末制造不含表面缺陷的含硼不锈钢板的连续铸造方法。解决方案：包含≤0.2％C，≤3％Si，≤5％Mn，15％至25％Cr，3％至20％Ni，0.5％至1.5％B的含硼不锈钢的钢水和余量为不可避免的杂质的Fe，在拉伸速度为550〜900mm / min的条件下，熔融金属中的过热度为5〜50℃，使用30〜40％的CaO，30 至40％的SiO 2 SBB，10至15％的Na 2 SBO，1至5％的Al SB 2 O 3 / SB，，0.2〜1.5％的Li SB 2 O，3〜10％F和0.3〜3％的骨料，碱度为0.8〜1.5，粘度在1,300℃为0.5〜3泊凝固温度为900〜1200℃。版权所有（C）2007，JPO＆INPIT

22. 发明专利

JP2006336110A METHOD FOR PRODUCING Fe-Ni BASED PERMALLOY HAVING EXCELLENT MAGNETIC PROPERTY 有权
标题翻译：用于生产具有优异磁性的Fe-Ni基合金的方法
公开(公告)号：JP2006336110A
公开(公告)日：2006-12-14
申请号：JP2006220968
申请日：2006-08-14
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： TODOROKI HIDEKAZU , ITO TATSUYA
IPC分类号： C22C33/04 , C21C5/54 , C22C38/00 , C22C38/08
CPC分类号： Y02P10/216
摘要： PROBLEM TO BE SOLVED: To provide a new method capable of producing an Fe-Ni based permalloy having excellent magnetic properties by reducing inclusions in a final product as small as possible, and further suppressing componential segregation as little as possible. SOLUTION: In a deoxidation-desulfurization stage for molten steel obtained by dissolving the raw material of an Fe-Ni based permalloy comprising 30 to 2 -Al 2 O 3 -MgO-F based molten slag is formed on the molten steel, and thereafter, deoxidation and desulfurization are performed using Al, thus the total concentration of oxygen and sulfur in the molten steel is suppressed to ≤150 ppm, and further, the control in the composition of inclusions is performed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种能够通过尽可能地减少最终产物中的夹杂物而制造具有优异磁性的Fe-Ni系坡诺金合金的新方法，并且进一步抑制组分偏析尽可能少。解决方案：在通过将包含30至<50质量％Ni的Fe-Ni基坡莫合金的原料溶解而获得的钢水的脱氧脱硫阶段中，使用氧化铝基或氧化镁基耐火容器，石灰石，萤石并加入氧化铝作为助熔剂，在钢水上形成CaO-SiO 2 SBB-3 SBM-3 -Mg-F基熔渣之后，使用Al进行脱氧脱硫，将钢水中的氧，硫的总浓度抑制为≤150ppm，进行夹杂物的组成控制。版权所有（C）2007，JPO＆INPIT

23. 发明专利

JP2005274408A Method for specifying size of maximum nonmetal inclusion in steel slab stage and steel sheet specified in size of maximum nonmetal inclusion in steel slab 有权
标题翻译：用于指定钢板中最大非金属包装尺寸最大值的尺寸的方法和钢板中最大非金属包装尺寸规定的钢板
公开(公告)号：JP2005274408A
公开(公告)日：2005-10-06
申请号：JP2004089108
申请日：2004-03-25
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： KANBE YUICHI , TODOROKI HIDEKAZU , ANAZAWA MAKOTO
IPC分类号： G01B11/02 , B21C51/00 , C22C38/00 , C22C38/58 , G01N21/84 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet ensured in the quality related to a nonmetal inclusion by rapidly and simply specifying the size of the maximum nonmetal inclusion present in a predetermined area in a steel slabe stage. SOLUTION: In a process for manufacturing a steel slab by hot rolling or hot/cold rolling of a steel sheet, a part of a cross section cut at a right angle or almost right angle with respect to the rolling direction of the steel sheet after rolling in a process for manufacturing the steel sheet by hot rolling or hot/cold rolling of the steel slab is set to an inspection standard area and the length in the direction of the nonmetal inclusion present in an inspection reference area is microscopically observed and the size of the maximum nonmetal inclusion in the slab stage of the rolled plate is estimated from the maximum width direction length of the observed nonmetal inclusion. The size of the maximum nonmetal inclusion in the slab stage of the steel sheet is specified. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过快速且简单地指定钢板平台中预定区域中存在的最大非金属夹杂物的尺寸来提供确保与非金属夹杂物相关的质量的钢板。解决方案：在通过钢板的热轧或热/冷轧制造钢坯的方法中，相对于钢的轧制方向以直角或几乎为直角切割的截面的一部分在钢板的热轧或热轧/冷轧的制造方法中轧制后的片材被设定为检查标准区域，并且显微观察存在于检查基准区域中的非金属夹杂物的方向上的长度，从观察到的非金属夹杂物的最大宽度方向长度估计轧制板的板坯阶段中最大非金属夹杂物的尺寸。规定钢板的板坯阶段最大非金属夹杂物的尺寸。版权所有（C）2006，JPO＆NCIPI

24. 发明专利

JP2005023346A METHOD OF REFINING Ni BASED ALLOY HAVING EXCELLENT HOT WORKABILITY 审中-公开
标题翻译：改善具有优异热效率的镍基合金的方法
公开(公告)号：JP2005023346A
公开(公告)日：2005-01-27
申请号：JP2003187734
申请日：2003-06-30
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： KATSUMATA AKITOSHI , TODOROKI HIDEKAZU , SHIGA NATSUKI , YAMASHITA YOSHITAKA
IPC分类号： C22B23/06 , C22B9/10 , C22C1/02 , C22C19/03
摘要： PROBLEM TO BE SOLVED: To provide a refining method where the concentration of Mg, the concentration of Ca, the concentration of oxygen and the concentration S in an Ni based alloy are controlled at a high precision for securing the technique of advantageously producing the Ni based alloy having satisfactory hot workability, and thus having satisfactory surface quality.
SOLUTION: In the refining method for the Ni based alloy having excellent workability, a raw material is first dissolved in an electric furnace or the like, is thereafter tapped into a vessel for secondary refining using MgO based refractories to remove slag, and, in the subsequent secondary finish refining, after oxygen blowing, deoxidation is performed, and one or more kinds of slag components selected from limestone, fluorite, alumina and magnesia are added thereto. Further, at the time when the slag components are added, as for the composition of the produced slag, the mass concentration ratio between CaO and Al
2 O
3 (CaO/Al
2 O
3 ) is controlled to 0.2 to 2.0, and the concentration of magnesia is controlled to 1 to 18 mass%, so that the Mg concentration in the molten alloy is regulated to 0.005 to 0.04 mass%, the Ca concentration to 0.0005 to 0.04 mass%, the oxygen concentration to 3 to 50 mass%, and the S concentration to ≤0.004 mass%.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种精炼方法，其中以高精度控制Mg的浓度，Ca的浓度，氧浓度和浓度S以确保有利地生产的技术 Ni基合金具有令人满意的热加工性，因此具有令人满意的表面质量。解决方案：在具有优异的可加工性的Ni基合金的精炼方法中，首先将原料溶解在电炉等中，然后用MgO基耐火材料用于二次精炼的容器中去除渣，以及在后续二次精炼中，在吹氧之后，进行脱氧，并且向其中加入选自石灰石，萤石，氧化铝和氧化镁的一种或多种炉渣成分。此外，在添加炉渣成分时，对于所生成的炉渣的组成，CaO与Al的比例（CaO / Al 2 O 3）控制为0.2〜2.0，将氧化镁的浓度控制在1〜18质量％，使熔融合金中的Mg浓度调节 0.005〜0.04质量％，Ca浓度为0.0005〜0.04质量％，氧浓度为3〜50质量％，S浓度为≤0.004质量％。版权所有（C）2005，JPO＆NCIPI

25. 发明专利

JP2003301215A Treatment method for slag in refining chromium- containing steel 审中-公开
标题翻译：精炼含铬钢渣的处理方法
公开(公告)号：JP2003301215A
公开(公告)日：2003-10-24
申请号：JP2002112020
申请日：2002-04-15
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： MIZUKAMI ATSUSHI , TODOROKI HIDEKAZU , ISHII TERUAKI , NAGASHIMA SHINICHI
IPC分类号： C21C7/076 , C21C5/54 , C21C7/00 , C21C7/068 , C21C7/10
CPC分类号： Y02P10/216 , Y02P10/242
摘要： PROBLEM TO BE SOLVED: To provide a treatment method for slag that is heavily generated when melting or refining chromium-containing steel, which fixes chromium contained in the slag to a trivalent state. SOLUTION: This treatment method comprises adjusting basicity of the slag generated when melting or refining the chromium-containing steel so as to satisfy CaO/SiO 2 ≤1.2, changing free CaO, not forming slag yet, into the slag, and then discharging the slag. COPYRIGHT: (C)2004,JPO
摘要翻译：待解决的问题：提供一种熔融或精炼含铬钢的炉渣的处理方法，其将包含在炉渣中的铬固定为三价状态。解决方案：这种处理方法包括调节熔化或精炼含铬钢时产生的炉渣的碱度，以满足CaO / SiO 2 SB2≤1.2，改变游离CaO，而不形成炉渣，进入炉渣，然后排出炉渣。版权所有（C）2004，JPO

26. 发明专利

JP2014034694A Austenitic stainless steel for diesel engine egr cooler and egr cooler for diesel engine 有权
标题翻译：用于柴油发动机的奥氏体不锈钢用于柴油发动机的EGR冷却器和EGR冷却器
公开(公告)号：JP2014034694A
公开(公告)日：2014-02-24
申请号：JP2012175785
申请日：2012-08-08
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社 , Komatsu Ltd , 株式会社小松製作所
发明人： MAEDA YOSHIKI , YABE MUROTSUNE , TODOROKI HIDEKAZU , KAJIURA GOJI , KAWAI HITOSHI , YAMADA RYOICHI
IPC分类号： C22C38/00 , C22C38/58 , F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel for a diesel engine EGR cooler excellent in intergranular corrosion resistance under a (sulfuric acid + nitric acid) environment at high temperature and high concentration, and to provide EGR cooler for a diesel engine using the steel as a constituent material.SOLUTION: The EGR cooler for a diesel engine is manufactured by using, as a constituent material, an austenitic stainless steel containing C:0.015 mass% or less, Si:0.01 to 0.20 mass%, Mn:0.01 to 2.0 mass%, P:0.020 mass% or less, S:0.010 mass% or less, Ni:10 to 30 mass%, Cr:16 to 30 mass%, N:0.20 mass% or less, Si and P satisfying formula (1);20×Si+100×P≤4.5 (1), where Si and P represent contents of each element (mass%), and the balance Fe with inevitable impurities.
摘要翻译：要解决的问题：为了提供在高温高浓度的（硫酸+硝酸）环境下耐晶间腐蚀性优异的柴油发动机EGR冷却器的奥氏体不锈钢，并且提供使用柴油发动机的柴油发动机的EGR冷却器作为构成材料的钢材。解决方案：使用含有C：0.015质量％以下的奥氏体不锈钢作为构成材料制造柴油发动机的EGR冷却器，Si：0.01〜0.20质量％，Mn：0.01〜 2.0质量％，P：0.020质量％以下，S：0.010质量％以下，Ni：10〜30质量％，Cr：16〜30质量％，N：0.20质量％以下，满足式 1）; 20×Si + 100×P≤4.5（1），其中Si和P表示各元素的含量（质量％），余量为Fe与不可避免的杂质。

27. 发明专利

JP2012250255A Stainless steel for welding 有权
标题翻译：不锈钢焊接
公开(公告)号：JP2012250255A
公开(公告)日：2012-12-20
申请号：JP2011124061
申请日：2011-06-02
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： MIYUKI MASANORI , O KON , TODOROKI HIDEKAZU
IPC分类号： B23K35/30 , B23K9/04 , C21D9/46 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide stainless steel for welding in which any hot crack can be prevented, and high corrosion resistance can be obtained in a weld metal part in the cladding by welding of the stainless steel to a carbon steel member.SOLUTION: The stainless steel has a composition composed of, by mass, C:0.02-0.08%, Si:0.2-1.0%, Mn:1.2-2.0%, P:≤0.03%, S:≤0.005%, Ni:13-15%, Cr:24-30%, and N:0.02-0.15%, and the balance Fe with inevitable impurities, and satisfies formulae (1), (2).
摘要翻译：要解决的问题：为了提供可以防止任何热裂纹的焊接用不锈钢，并且通过将不锈钢焊接到碳钢构件，可以在包层中的焊接金属部件中获得高耐腐蚀性。解决方案：不锈钢具有以质量计C：0.02-0.08％，Si：0.2-1.0％，Mn：1.2-2.0％，P：≤0.03％，S：≤0.005％的组成， Ni：13〜15％，Cr：24〜30％，N：0.02〜0.15％，余量为Fe及不可避免的杂质，满足式（1），（2）。版权所有（C）2013，JPO＆INPIT

28. 发明专利

JP2010106368A Method for manufacturing iron-nickel system permalloy alloy excellent in magnetic characteristic 有权
标题翻译：制造铁镍钴合金合金优良磁性特征的方法
公开(公告)号：JP2010106368A
公开(公告)日：2010-05-13
申请号：JP2010002447
申请日：2010-01-08
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： TODOROKI HIDEKAZU , ITO TATSUYA
IPC分类号： C21C7/06 , C21C7/04 , C21C7/064 , C21C7/076 , C21D8/00 , C22C38/00
CPC分类号： Y02P10/242
摘要： PROBLEM TO BE SOLVED: To provide a new method for manufacturing Fe-Ni system permalloy alloy excellent in magnetic characteristic by reducing inclusions and composition-segregation in a final product as much as possible. SOLUTION: In deoxidizing and desulfurizing processes of molten steel obtained by melting the raw material for Fe-Ni-based permalloy alloy containing 35 to 2 O 3 , MgO-Al 2 O 3 , MgO system high fusing point oxide-based inclusion composition. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种通过尽可能减少最终产品中的夹杂物和组分偏析来制造磁特性优异的Fe-Ni系坡道合金合金的新方法。解决方案：在将含有35〜40质量％的Ni的Fe-Ni类坡洛伦合金的原料熔化而获得的钢水的脱氧脱硫工序中，添加石灰石，氟化物和氧化铝作为助熔剂在氧化铝或氧化镁基耐火容器中的钢水中; 通过使用Al将钢水中的氧和硫的总浓度抑制在≤150ppm来对钢水进行脱氧脱硫; 并生成MgO系高熔点氧化物系MgO（Al 2 O 3），MgO-Al 2 O 3 SB 3，夹杂物组成。版权所有（C）2010，JPO＆INPIT

29. 发明专利

JP2009114544A METHOD OF REFINING Ni BASED ALLOY HAVING EXCELLENT HOT WORKABILITY 有权
标题翻译：改善具有优异热效率的镍基合金的方法
公开(公告)号：JP2009114544A
公开(公告)日：2009-05-28
申请号：JP2008332743
申请日：2008-12-26
申请人： Nippon Yakin Kogyo Co Ltd , 日本冶金工業株式会社
发明人： KATSUMATA AKITOSHI , TODOROKI HIDEKAZU , SHIGA NATSUKI , YAMASHITA YOSHITAKA
IPC分类号： C22B23/06 , C22B9/10 , C22C1/02 , C22C1/06 , C22C19/03
摘要： PROBLEM TO BE SOLVED: To provide a refining method where the concentration of Mg, the concentration of Ca, the concentration of oxygen and the concentration of S in an Ni based alloy are controlled at a high precision for securing a technique of advantageously producing the Ni based alloy having satisfactory hot workability, and thus having satisfactory surface quality.
SOLUTION: In the refining method for an Ni based alloy having excellent workability, a raw material is first dissolved in an electric furnace or the like, is thereafter tapped into a vessel for secondary refining using MgO based refractories to remove slag, and, in the subsequent secondary finish refining, after oxygen blowing, deoxidation is performed, and one or more kinds of slag components selected from limestone, fluorite, alumina and magnesia are added thereto, and, as for the composition of the produced slag, the mass concentration ratio between CaO and Al
2 O
3 (CaO/Al
2 O
3 ) is controlled to 0.2 to 2.0, and the concentration of magnesia is controlled to 1 to 18 mass%, thus the Mg concentration in the molten alloy is regulated to 0.005 to 0.04 mass%, the Ca concentration to 0.0005 to 0.04 mass%, the oxygen concentration to 3 to 50 mass%, and the S concentration to ≤0.006 mass%.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种精炼方法，其中，为了确保有利的技术，以高精度控制Mg的浓度，Ca的浓度，氧的浓度和S的浓度生产具有令人满意的热加工性的Ni基合金，从而具有令人满意的表面质量。解决方案：在具有优异的可加工性的Ni基合金的精炼方法中，将原料首先溶解在电炉等中，然后用MgO基耐火材料进行二次精炼用的容器以除去渣，并且在随后的二次精炼中，在吹氧之后，进行脱氧，并且向石灰石，萤石，氧化铝和氧化镁中加入一种或多种选自石灰石，萤石，氧化铝和氧化镁的炉渣组分，并且对于所生成的炉渣的组成将CaO和Al 2 3 （CaO / Al 2 O 3）之间的浓度比控制在0.2〜 2.0，氧化镁的浓度控制在1〜18质量％，熔融合金中的Mg浓度为0.005〜0.04质量％，Ca浓度为0.0005〜0.04质量％，氧浓度为3〜50 质量％，S浓度为≤0.006质量％。版权所有（C）2009，JPO＆INPIT

30. 发明专利

JP2009013468A Nickel based alloy, and method for producing the same 有权
标题翻译：镍基合金及其制造方法
公开(公告)号：JP2009013468A
公开(公告)日：2009-01-22
申请号：JP2007176773
申请日：2007-07-04
申请人： Koichi Anzai , Nippon Yakin Kogyo Co Ltd , Masanari Oikawa , 勝成及川 , 浩一安斎 , 日本冶金工業株式会社
发明人： TODOROKI HIDEKAZU , ANZAI KOICHI , OIKAWA MASANARI
IPC分类号： C22C19/03 , B22D1/00 , B22D7/00 , B22D21/00 , C22B9/10
摘要： PROBLEM TO BE SOLVED: To provide an Ni based alloy in which macro componential segregation can be suppressed as far as possible by controlling a cast structure with a trace amount of inclusions, and to provide a method for producing the same.
SOLUTION: Disclosed is the Ni based alloy having a componential composition comprising 0.01 to 0.7 mass% Ti and 5 to 100 ppm oxygen, and the balance Ni with inevitable impurities, and in which a Ti oxide is comprised as a nonmetallic inclusion. Also disclosed is a method for producing the Ni based alloy, by which a raw material is melted in an Ar atmosphere so as to obtain a melted alloy, 0.1 to 1 mass% Ti is added to the melted alloy so as to produce a Ti based oxide, and the Ti based oxide is cast into a mold and is cooled so as to be a steel ingot.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供通过控制具有微量夹杂物的铸造结构尽可能地尽可能地抑制宏观组成偏析的Ni基合金，并提供其制造方法。解决方案：公开了具有0.01〜0.7质量％Ti和5〜100ppm氧的组成成分的Ni基合金，余量为Ni与不可避免的杂质，其中Ti氧化物为非金属夹杂物。还公开了一种Ni基合金的制造方法，在Ar气氛中熔融原料以得到熔融合金，向熔融合金中添加0.1〜1质量％的Ti，制成Ti系氧化物，并且将Ti基氧化物浇铸到模具中并冷却以成为钢锭。版权所有（C）2009，JPO＆INPIT

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