公开(公告)号：EP2447389A4

公开(公告)日：2016-08-17

申请号：EP10791859

申请日：2010-06-23

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： SHIMODA NOBUYUKI ,  TARUI TOSHIMI ,  KODAMA JUNICHI ,  KOSAKA MAKOTO ,  YAMASAKI SHINGO

IPC分类号： C23C2/06 ,  C21D8/06 ,  C22C18/04 ,  C22C38/00 ,  C22C38/04 ,  C22C38/54 ,  C23C2/02 ,  C23C2/38

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.

公开(公告)号：EP2447382A4

公开(公告)日：2017-08-02

申请号：EP10778818

申请日：2010-04-21

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： TAKAHASHI JUN ,  KOSAKA MAKOTO ,  KODAMA JUNICHI ,  TARUI TOSHIMI ,  SUZUKI TAMAKI

IPC分类号： C22C38/00 ,  C21D7/02 ,  C21D7/06 ,  C21D8/06 ,  C21D9/52 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/18 ,  C22C38/24 ,  C22C38/32 ,  C22C38/40 ,  C22C38/48 ,  C22C38/58

CPC分类号： C21D9/525 ,  C21D7/02 ,  C21D8/065 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/18 ,  C22C38/24 ,  C22C38/32 ,  C22C38/40 ,  C22C38/48 ,  C22C38/58

摘要： The present invention provides a steel wire, including chemical components of: C: 0.7-1.2 mass%; Si: 0.05-2.0 mass%; and Mn: 0.2-2.0 mass%, with a balance including Fe and inevitable impurities, in which the steel wire has a pearlite structure, the average C concentration at a center portion of a ferrite phase in an outermost layer of the steel wire is 0.2 mass% or lower, and a residual compressive stress in the longitudinal direction of the steel wire in the outermost layer is 600 MPa or more.

摘要翻译： 本发明提供一种钢丝，其含有C：0.7〜1.2质量％的化学成分。 Si：0.05〜2.0质量％ ，Mn：0.2〜2.0质量％，余量由Fe和不可避免的杂质构成，钢丝具有珠光体组织，钢丝最外层的铁素体相中心部的平均C浓度为0.2 质量％以下，最外层的钢线的长度方向的残留压缩应力为600MPa以上。

公开(公告)号：EP2905353A4

公开(公告)日：2016-03-30

申请号：EP13843683

申请日：2013-10-03

申请人： NIPPON STEEL & SUMITOMO METAL CORP ,  NAMITEI CO LTD ,  OCC CORP

发明人： KOSAKA MAKOTO ,  OHASHI SHOUICHI ,  NISHIDA SEIKI ,  MURAO MASATSUGU ,  MURAO KOUICHI ,  OYAMADA KEN ,  IKEBATA SYUNYA

IPC分类号： C22C38/00 ,  B21B1/16 ,  B21C1/00 ,  C21D8/06 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/32 ,  G02B6/44

CPC分类号： G02B6/443 ,  B21B1/16 ,  B21C1/003 ,  C21D8/06 ,  C21D8/065 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/32 ,  G02B6/4427

摘要： There is provided a deformed steel wire includes, as a chemical component, by mass%; C: 0.30% to 1.10%, Si: 0.10% to 1.50%, and Mn: 0.20% to 1.50%, and the balance consists of Fe and unavoidable impurities, in which a metallographic structure is a ferrite-pearlite structure or a pearlite structure, integration degrees of a crystal orientation in a longitudinal direction of a thickness center area and a surface area are in a range of 2.0 to 4.0, an absolute value of a difference in the integration degree between an inner surface and an outer surface of the surface area is 0.3 or less, an integration degree of a crystal orientation in a thickness direction of the thickness center area is in a range of 1.2 to 3.8, and a dimensional accuracy index is in a range of 0.5 to 2.0.

公开(公告)号：EP2583792A4

公开(公告)日：2013-10-09

申请号：EP11795739

申请日：2011-06-14

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： MORITA MITSURU ,  TARUI TOSHIMI ,  SAKAMOTO HIROAKI ,  YASHIRO HIROKATSU ,  KOSAKA MAKOTO

IPC分类号： B24D11/00 ,  B23D61/18 ,  B23K35/26 ,  B24B27/06 ,  B24D3/00 ,  B24D3/06 ,  C21D8/06 ,  C21D9/24 ,  C21D9/52 ,  C22C13/00 ,  C22C38/00 ,  C22C38/34 ,  C22C38/54

CPC分类号： B24B27/0633 ,  B23D61/185 ,  B23K35/262 ,  B23K2201/20 ,  B23K2201/32 ,  B23K2201/34 ,  B24D3/004 ,  B32B15/013 ,  C21D8/06 ,  C21D9/24 ,  C21D2211/004 ,  C22C13/00 ,  C22C38/00 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/34

摘要： A saw wire includes a steel wire (11) having a steel strand (11a) with predetermined composition, an abrasive (13) fixed to the steel wire (11) by a fixing part (12), and an intermetallic compound (15) on an interface between the abrasive (13) and the fixing part (12). Tensile strength of the steel strand (11) is 3500 MPa or more, and the fixing part (12) includes a Sn-based solder containing Zn or Ag.