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1.发明公开HIGH-STRENGTH STEEL WIRE EXCELLING IN DUCTILITY AND PROCESS FOR PRODUCING THE SAME 审中-公开具有优良的延展性和加工高强度钢丝用于生产
公开(公告)号：EP2083094A4
公开(公告)日：2015-04-22
申请号：EP07742332
申请日：2007-04-18
发明人： YAMASAKI SHINGO , NISHIDA SEIKI , KIKUCHI MAKIO
CPC分类号： C22C38/00 , C21D6/005 , C21D6/008 , C21D8/06 , C21D8/065 , C21D9/52 , C21D2211/002 , C21D2211/009
摘要： The invention provides wire rod excellent in drawability and steel wire made from the wire rod as starting material with high productivity at good yield and low cost. A hard steel wire rod of a specified composition is heated in a specified temperature range to conduct post-reaustenization patenting and thereby obtain a high-carbon steel wire excellent in ductility that has a pearlite structure of an area ratio of 97% or greater and the balance of non-pearlite structures including bainite, degenerate-pearlite and pro-eutectoid ferrite and whose fracture reduction of area RA satisfies Expressions (1), (2) and (3) below: RA ‰¥ RAmin where RAmin = a - b x pearlite block size (µm), a = - 0.0001187 × TS MPa 2 + 0.31814 × TS MPa - 151.32 b = 0.0007445 × TS MPa - 0.3753
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公开(公告)号：EP3176276A4
公开(公告)日：2018-04-04
申请号：EP15826735
申请日：2015-07-29
发明人： NEISHI YUTAKA , SUZUKI TAKAHISA , KOYAMA TATSUYA , YAMASAKI SHINGO , KANETANI KOHEI , SADA TAKASHI
IPC分类号： C22C38/00 , C21D1/06 , C21D9/40 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/54 , C23C8/32 , C23C8/80 , F16C33/62
CPC分类号： C23C8/32 , C21D1/06 , C21D9/40 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C23C8/80 , F16C33/62 , F16C2204/66 , F16C2204/70 , F16C2223/16 , F16C2240/90
摘要： Provided is a carbonitrided bearing part which has high hardenability and toughness, and is excellent in wear resistance and surface-originated flaking life. A carbonitrided bearing part of the present embodiment has a chemical composition containing, in mass%, C: 0.15 to 0.45%, Si: not more than 0.50%, Mn: 0.40 to 1.50%, P: not more than 0.015%, S: not more than 0.005%, Cr: 0.30 to 2.0%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.10%, N: not more than 0.030%, and O: not more than 0.0015%, with the balance being Fe and impurities, and satisfying Formulae (1) and (2). At surface, C concentration is 0.7 to 1.2%, N concentration is 0.15 to 0.6%, and Rockwell hardness HRC is 58 to 65. 1.20 2.20
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3.发明公开HIGH-STRENGTH ZN-AL-PLATED STEEL WIRE FOR BRIDGES WHICH HAS EXCELLENT CORROSION RESISTANCE AND FATIGUE PROPERTIES, AND PROCESS FOR PRODUCTION THEREOF 审中-公开高强度锌铝镀钢丝具有产生优良的耐腐蚀性和抗疲劳性能加工和外观桥梁
公开(公告)号：EP2447389A4
公开(公告)日：2016-08-17
申请号：EP10791859
申请日：2010-06-23
CPC分类号： C23C2/02 , B32B15/013 , C21D1/20 , C21D1/607 , C21D9/525 , C21D2211/009 , C22C18/04 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/18 , C23C2/06 , C23C2/38 , C23C28/021 , Y10T428/1266 , Y10T428/12799
摘要： Disclosed is a high-strength Zn-Al coated steel wire for bridges with excellent corrosion resistance and fatigue properties, the Zn-Al coated steel wire includes: a steel wire; and a Zn-Al coating having a coating body layer and an Fe-Al alloy layer formed in an interface between a surface layer of the steel wire and the coating body layer, wherein a chemical composition of a core material of the steel wire includes, by mass %: C : 0.70% to 1.2%; Si : 0.01 % to 2.5%; Mn : 0.01 % to 0.9%; P : limited to 0.02% or less; S : limited to 0.02% or less; N : limited to 0.01 % or less; and the balance including Fe and unavoidable impurities, wherein wire-drawn pearlite is most abundant microstructure among microstructures of the core material of the steel wire; wherein an average composition of the Zn-Al coating includes, by mass %, Al : 3.0 to 15.0%; and Fe : limited to 3.0% or less, and wherein the Fe-Al alloy layer has a thickness of 5 µm or less.
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公开(公告)号：EP3176278A4
公开(公告)日：2017-12-27
申请号：EP15827899
申请日：2015-07-29
发明人： NEISHI YUTAKA , SUZUKI TAKAHISA , KOYAMA TATSUYA , YAMASAKI SHINGO , KANETANI KOHEI , SADA TAKASHI
IPC分类号： C22C38/00 , C21D1/06 , C21D9/40 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/54 , C23C8/32 , C23C8/80 , F16C33/62
CPC分类号： C23C8/32 , C21D1/06 , C21D9/40 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/54 , C23C8/80 , F16C33/62 , F16C2204/66 , F16C2204/70 , F16C2223/16 , F16C2240/90
摘要： Provided is a carbonitrided bearing part which has high hardenability and toughness, and is excellent in wear resistance and surface-originated flaking life. A carbonitrided bearing part of the present embodiment has a chemical composition containing, in mass%, C: 0.15 to 0.45%, Si: not more than 0.50%, Mn: 0.40 to 1.50%, P: not more than 0.015%, S: not more than 0.005%, Cr: 0.30 to 2.0%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.10%, N: not more than 0.030%, and O: not more than 0.0015%, with the balance being Fe and impurities, and satisfying Formulae (1) and (2). At surface, C concentration is 0.7 to 1.2%, N concentration is 0.15 to 0.6%, and Rockwell hardness HRC is 58 to 65. 1.20 2.20
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5.发明公开WIRE ROD AND HIGH-STRENGTH STEEL WIRE EXCELLENT IN DUCTILITY, AND PROCESSES FOR PRODUCTION OF BOTH 有权线材为优秀的制作灵活性和方法高强度钢丝BOTH
公开(公告)号：EP2175043A4
公开(公告)日：2015-08-12
申请号：EP09725961
申请日：2009-03-09
发明人： YAMASAKI SHINGO , NISHIDA SEIKI
CPC分类号： C21D9/525 , B21C1/003 , C21D6/004 , C21D6/005 , C21D6/007 , C21D6/008 , C21D8/065 , C21D2211/009 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/10 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/20 , C22C38/22 , C22C38/26 , C22C38/28 , C22C38/30 , C22C38/32 , C22C38/54 , D07B1/066 , D07B2205/3035 , D07B2205/3057 , D07B2801/10
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公开(公告)号：EP2687619A4
公开(公告)日：2014-11-26
申请号：EP12758040
申请日：2012-03-13
发明人： YAMASAKI SHINGO , MANABE TOSHIYUKI , HIKITA NAOSHI
CPC分类号： C21D8/065 , C21D8/08 , C21D9/525 , C21D2211/009 , C22C1/02 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/105 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54
摘要： A steel wire rod which is a material of steel wires includes, as a metallographic structure, by area%, 95% to 100% of a pearlite, wherein an average pearlite block size at a central portion of the steel wire rod is 1 µm to 25 µm, an average pearlite block size at a surface layer portion of the steel wire rod is 1 µm to 20 µm, and, when a minimum lamellar spacing of the pearlite at the central portion of the steel wire rod is S in unit of nm and when a distance from a peripheral surface of the steel wire rod to a center is r in unit of mm, S
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7.发明公开
公开(公告)号：EP2532764A4
公开(公告)日：2016-01-20
申请号：EP10838391
申请日：2010-10-19
CPC分类号： C22C38/02 , C21D1/48 , C21D8/06 , C21D8/065 , C21D9/525 , C21D2211/002 , C21D2211/009 , C22C38/001 , C22C38/04
摘要： The present invention provides a wire rod with a composition at least including: C: 0.95-1.30 mass%; Si: 0.1-1.5 mass%; Mn: 0.1-1.0 mass%; Al:0-0.1 mass%; Ti: 0-0.1 mass%; P: 0-0.02 mass%; S: 0-0.02 mass%; N: 10-50 ppm; O:10-40 ppm; and a balance including Fe and inevitable impurities, wherein 97% or more of an area in a cross-section perpendicular to the longitudinal direction of the wire rod is occupied by a pearlite, and 0.5% or less of an area in a central area in the cross-section and 0.5% or less of an area in a first surface layer area in the cross-section are occupied by a pro-eutectoid cementite.
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8.发明公开HIGH-CARBON STEEL WIRE HAVING EXCELLENT DRAWABILITY AND FATIGUE PROPERTIES AFTER DRAWING 审中-公开含碳量高及卓越的特性与拉疲劳性能的钢丝后捞出
公开(公告)号：EP2682489A4
公开(公告)日：2014-08-20
申请号：EP12751796
申请日：2012-02-28
CPC分类号： C22C38/34 , B21C1/003 , C21C7/06 , C22C1/02 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/10 , C22C38/12 , C22C38/16 , C22C38/18 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/30 , C22C38/32 , C22C38/40 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54
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