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11. 发明专利

CA2930161A1 MARAGING STEEL 未知
公开(公告)号：CA2930161A1
公开(公告)日：2016-11-22
申请号：CA2930161
申请日：2016-05-16
申请人： DAIDO STEEL CO LTD
发明人： SUGIYAMA KENJI , HINOSHITA KEITA , TAKABAYASHI HIROYUKI , UETA SHIGEKI
IPC分类号： C22C38/52
摘要： The present invention relates to a maraging steel containing, in terms of mass%, 0.20

12. 发明专利

CA3106648C PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL 未知
公开(公告)号：CA3106648C
公开(公告)日：2022-09-13
申请号：CA3106648
申请日：2021-01-18
申请人： DAIDO STEEL CO LTD
发明人： TAKAHASHI NOBUYUKI , OKAMOTO AKIHIKO , FURUSHO CHIHIRO , TAKABAYASHI HIROYUKI , KOYANAGI YOSHIHIKO
IPC分类号： C22C38/48 , C21D6/02
摘要： The present invention relates to a precipitation-hardening martensitic stainless steel, containing: 0

13. 发明专利

CA3120120A1 NI-BASED ALLOY, AND NI-BASED ALLOY PRODUCT AND METHODS FOR PRODUCING THE SAME 未知
公开(公告)号：CA3120120A1
公开(公告)日：2021-11-26
申请号：CA3120120
申请日：2021-05-25
申请人： DAIDO STEEL CO LTD
发明人： SUGIYAMA KENJI , NAGAYA MASASHI , KUSAFUKA YUSUKE , KOYANAGI YOSHIHIKO , TAKABAYASHI HIROYUKI
IPC分类号： C22C19/05 , B22F9/08 , C22C1/02 , C22C30/00 , C22F1/10 , C22F1/16
摘要： The present invention relates to an Ni-based alloy which is excellent in terms of wear resistance and high-temperature corrosion resistance and which includes 0.3

14. 发明专利

CA3106648A1 PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL 未知
公开(公告)号：CA3106648A1
公开(公告)日：2021-08-04
申请号：CA3106648
申请日：2021-01-18
申请人： DAIDO STEEL CO LTD
发明人： TAKAHASHI NOBUYUKI , OKAMOTO AKIHIKO , FURUSHO CHIHIRO , TAKABAYASHI HIROYUKI , KOYANAGI YOSHIHIKO
IPC分类号： C22C38/48 , C21D6/02
摘要： The present invention relates to a precipitation-hardening martensitic stainless steel, containing: 0

15. 发明专利

AU2018274826A1 Member for hot-dip metal plating bath 未知
公开(公告)号：AU2018274826A1
公开(公告)日：2019-12-12
申请号：AU2018274826
申请日：2018-05-17
申请人： DAIDO CASTINGS CO LTD , DAIDO STEEL CO LTD , TOCALO CO LTD
发明人： TAKEUCHI JUNICHI , NAGAI MASAYA , KUBO SHINICHI , NAGAYA MASASHI , SUMI YOSHINORI , KOYANAGI YOSHIHIKO , TAKABAYASHI HIROYUKI , TAKENAKA YASUHIRO
IPC分类号： C22C38/00 , C22C21/10 , C22C38/38 , C22C38/60 , C23C2/00 , C23C2/12 , C23C4/067
摘要： A member for a hot-dip metal plating bath to be used in hot-dip Zn-Al plating baths that contain at least 50 mass% of Al or hot-dip Al plating baths comprises: a base metal made of ferritic stainless steel that contains 0.10 mass% to 0.50 mass% of C, 0.01 mass% to 4.00 mass% of Si, 0.10 mass% to 3.00 mass% of Mn, 15.0 mass% to 30.0 mass% of Cr, and 0.9 mass% to 5.0 mass% of the sum of Nb, V, Ti and Ta, with the balance being made of Fe and unavoidable impurities, that has a structure that has ferritic phases as the main phases and comprises precipitated carbides, in which the area ratio of Nb carbides, Ti carbides, V carbides, Ta carbides and compound carbides thereof is at least 30% with respect to the precipitated carbides; and a thermally sprayed coating provided so as to cover at least some of the surface of the base metal. The thermally sprayed coating is made of a ceramic coating and/or a cermet coating.

16. 发明专利

JP2006328486A Steel for thin strip, and thin strip 有权
标题翻译：薄钢条和薄钢条
公开(公告)号：JP2006328486A
公开(公告)日：2006-12-07
申请号：JP2005154726
申请日：2005-05-26
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKABAYASHI HIROYUKI , SHIMIZU TETSUYA
IPC分类号： C22C38/00 , C21D1/06 , C21D6/00 , C21D9/40 , C22C38/52 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a steel for a thin strip, which keeps such a feature of a maraging steel as high strength and high toughness, and simultaneously shows more excellent fatigue strength properties than known steel.
SOLUTION: The steel for the thin strip has an alloy composition comprising, by wt.%, 0.05-0.15% C, 10.0-18.0% Ni, 5.0-30.0% Co, 1.0-5.0% Mo, 0.5-1.3% Al, 1.0-3.0% Cr, 0.10% or less Ti, 0.003% or less S, 0.03% or less P, 0.03% or less N, 0.03% or less O, and the balance Fe with unavoidable impurities. The alloy composition may further comprise one or more elements selected from among some optionally adding elements.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有高强度和高韧性的马氏体时效钢的特征的薄带钢，同时表现出比已知钢更优异的疲劳强度性能。解决方案：用于薄带的钢具有合金组成，其包含重量％，0.05-0.15％C，10.0-18.0％Ni，5.0-30.0％Co，1.0-5.0％Mo，0.5-1.3％ Al，1.0〜3.0％的Cr，0.10％以下的Ti，0.003％以下的S，0.03％以下的P，0.03％以下的N，0.03％以下的O，余量为Fe的不可避免的杂质。合金组合物还可以包含选自一些任选添加的元素中的一种或多种元素。版权所有（C）2007，JPO＆INPIT

17. 发明专利

JP2005325388A Low specific gravity iron alloy 审中-公开
标题翻译：低特殊重金属合金
公开(公告)号：JP2005325388A
公开(公告)日：2005-11-24
申请号：JP2004143120
申请日：2004-05-13
申请人： Daido Steel Co Ltd , Kiyohito Ishida , 大同特殊鋼株式会社 , 清仁石田
发明人： ISHIDA KIYOHITO , KAINUMA RYOSUKE , SUDO YUJI , UNNO REIKO , SHIMIZU TETSUYA , TAKABAYASHI HIROYUKI
IPC分类号： C22C38/00 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a material having improved specific gravity, enhanced specific strength, Young's modulus, yield stress, tensile strength, and hardness, and enriched processability.
SOLUTION: A low specific gravity iron alloy comprises an iron alloy containing, by mass, ≥5.0 to
摘要翻译：要解决的问题：提供具有改进的比重，提高的比强度，杨氏模量，屈服应力，拉伸强度和硬度以及富加工性的材料。解决方案：低比重铁合金包括铁合金，其含有质量分数为≥5.0至15.0％的Mn，0.5-10.0％的Al，0.5-10.0％的Si和0.01-1.5％的C，余量为Fe 具有不可避免的杂质，并具有两相γ+α，其中α相比为10-95％。此外，低比重铁合金含有0.001〜1.5％的B，0.01〜1.5％的N，0.01-10.0％的Cr和选自Be，Mg，Ti，V，Co，Ni中的一种或多种元素，Cu，Nb，Mo和W的含量分别为0.01-5.0％，除了上述低比重铁合金中所含的元素外。版权所有（C）2006，JPO＆NCIPI

18. 发明专利

JP2005325387A Low specific gravity iron alloy 审中-公开
标题翻译：低特殊重金属合金
公开(公告)号：JP2005325387A
公开(公告)日：2005-11-24
申请号：JP2004143089
申请日：2004-05-13
申请人： Daido Steel Co Ltd , Kiyohito Ishida , 大同特殊鋼株式会社 , 清仁石田
发明人： ISHIDA KIYOHITO , KAINUMA RYOSUKE , SUDO YUJI , UNNO REIKO , SHIMIZU TETSUYA , TAKABAYASHI HIROYUKI
IPC分类号： C22C38/00 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a material having improved specific gravity, enhanced specific strength, Young's modulas, yield stress, and tensile strength, and high oxidation resistance.
SOLUTION: A low specific gravity iron alloy is characterized by comprising an iron alloy containing, by mass, 15.0-45.0% Mn, 8.0-20.0% Al, 0.01-2.5% C, 0.01-5.0% Si, 0.01-10.0% Cr, 0.001-1.5% B and 0.01-1.5% N, and the balance Fe with inevitable impurities and having two phases of γ + α, in which the α-phase ratio is 10-95%.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有改进的比重，提高的比强度，杨氏模量，屈服应力和拉伸强度以及高抗氧化性的材料。解决方案：低比重铁合金的特征在于，含有以质量计为15.0-45.0％的Mn，8.0-20.0％Al，0.01-2.5％C，0.01-5.0％Si，0.01-10.0 ％Cr，0.001-1.5％B和0.01-1.5％N，余量为Fe与不可避免的杂质，并具有两相γ+α，其中α相比为10-95％。版权所有（C）2006，JPO＆NCIPI

19. 发明专利

JP2013253277A MARAGING STEEL 审中-公开
公开(公告)号：JP2013253277A
公开(公告)日：2013-12-19
申请号：JP2012128501
申请日：2012-06-06
申请人： IHI CORP , DAIDO STEEL CO LTD
发明人： TANAKA YUTA , YAMANE KOSHIRO , TAKAHASHI SATOSHI , YUSA SATORU , SASAKI KOTA , UEDA SHIGENORI , TAKABAYASHI HIROYUKI , KIMURA EI
IPC分类号： C22C38/00 , C21D8/00 , C22C38/12
摘要： PROBLEM TO BE SOLVED: To provide a maraging steel having a high fatigue strength and sufficiently high tensile strength, hardness, toughness and ductility in comparison with a conventional one.SOLUTION: A maraging steel includes, as a main component, Fe and Ni, Co, and Mo, wherein the content of Co is ≥7.0 mass% and the content of C is

20. 发明专利

JP2007254884A Ferritic stainless steel cast iron, process for producing cast component using the same, and cast component 审中-公开
标题翻译：铁质不锈钢铸铁，生产使用其的铸件组件的方法和铸件组件
公开(公告)号：JP2007254884A
公开(公告)日：2007-10-04
申请号：JP2007042778
申请日：2007-02-22
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKABAYASHI HIROYUKI , UEDA SHIGENORI , SHIMIZU TETSUYA , NODA TOSHIHARU
IPC分类号： C22C38/00 , B22C9/24 , B22D18/06 , C22C38/38 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a ferritic stainless steel cast iron excellent in resistance to sulfuric acid dew corrosion.
SOLUTION: The ferritic stainless steel cast iron includes: Fe as a main component; C: 0.15 to 0.45 mass%; Si: 1.50 to 3.50 mass%; Mn: 0.10 to 3.00 mass%; Cr: 8.0 to 30.0 mass%; one of Nb and V, or both of Nb and V in total: 0.1 to 5.0 mass%; and Cu: 0.02 to 2.00 mass%.
COPYRIGHT: (C)2008,JPO&INPIT

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