公开(公告)号：EP2537954A4

公开(公告)日：2016-04-27

申请号：EP11744720

申请日：2011-02-17

申请人： NIPPON STEEL & SUMIKIN COATED ,  NIPPON STEEL & SUMITOMO METAL CORP

发明人： FUJII SHIRO ,  YAMANAKA YOSHIKAZU ,  SHIRAGAKI NOBUKI ,  KANAI HIROSHI ,  SHIMODA NOBUYUKI ,  MORIMOTO YASUHIDE ,  SUEMUNE YOSHIHIRO ,  OOHASHI TOORU

IPC分类号： C23C2/06 ,  B05D1/18 ,  C23C2/12

CPC分类号： C23C2/06 ,  B05D1/18 ,  C23C2/12 ,  C23C28/021 ,  C23C28/023 ,  C23C30/00 ,  C23C30/005 ,  Y10T428/12757 ,  Y10T428/12764 ,  Y10T428/12799 ,  Y10T428/12924 ,  Y10T428/12972 ,  Y10T428/12979 ,  Y10T428/12993 ,  Y10T428/265

公开(公告)号：EP2578719A4

公开(公告)日：2016-04-06

申请号：EP11789784

申请日：2011-05-31

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： NOSE KOICHI ,  MORIMOTO YASUHIDE ,  TOKUDA KOHEI

IPC分类号： C23C2/12 ,  C22C21/00 ,  C22C38/00 ,  C23C2/28

CPC分类号： C23C2/12 ,  B05D1/18 ,  B05D3/02 ,  B05D3/0254 ,  B32B15/012 ,  B32B15/18 ,  C22C21/00 ,  C22C30/00 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/06 ,  C23C2/04 ,  C23C2/28 ,  C23C2/285 ,  C23C30/00 ,  C23C30/005 ,  Y10T428/12569 ,  Y10T428/12757 ,  Y10T428/12958 ,  Y10T428/12972 ,  Y10T428/12979

摘要： The hot-dip aluminum alloy plated steel has a base steel and a plated layer, in which the composition of the plated layer contains, by % by mass, Fe: 25% to 75%, Mg: 2% to 20%, and Ca: 0.02% to 2% with a remainder of Al and inevitable impurities, the plated layer contains one or both of an ±-Mg phase and an Al 3 Mg 2 phase, and the sum of the partial volume fraction of the ±-Mg phase and the partial volume fraction of the Al 3 Mg 2 phase in a range of a depth of 5 µm from a surface of the plated layer is 1% to 40%.

公开(公告)号：EP2407574A4

公开(公告)日：2016-03-16

申请号：EP10750820

申请日：2010-03-09

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： ARAI SATOSHI ,  MORIMOTO YASUHIDE ,  ISHIZUKA KIYOKAZU ,  TAKEDA KAZUTOSHI

IPC分类号： C23C10/28 ,  B21B1/08 ,  C21D6/00 ,  C21D8/12 ,  C21D9/46 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/02 ,  C23C2/28 ,  H01F1/16

CPC分类号： C21D6/008 ,  B21B1/08 ,  C21D6/005 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1272 ,  C21D8/1277 ,  C21D8/1283 ,  C21D2201/05 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C23C2/02 ,  C23C2/28 ,  C25D5/50 ,  C25D7/0614 ,  H01F1/16 ,  Y10T428/12458

摘要： A non-oriented magnetic steel sheet contains, by mass%, C: 0.005% or less; Si: 2% to 4%; Mn and V: totally 11% or less; and Al: 3% or less, with the balance being Fe and inevitable impurities, wherein a Mn concentration (mass%) and a V concentration (mass%) in a thickness direction satisfy the following formula. 0.1

公开(公告)号：EP2474639A4

公开(公告)日：2016-02-17

申请号：EP10812088

申请日：2010-08-31

申请人： NIPPON STEEL & SUMITOMO METAL CORP

发明人： MORIMOTO YASUHIDE ,  FUJITA NOBUHIRO ,  MIYASAKA AKIHIRO ,  HONDA KAZUHIKO ,  AZUMA MASAFUMI ,  SUZUKI NORIYUKI ,  NONAKA TOSHIKI

IPC分类号： C23C2/02 ,  B22D11/115 ,  B32B15/01 ,  C23C2/06 ,  C23C2/28

CPC分类号： C23C2/06 ,  B22D11/115 ,  B32B15/013 ,  C21D1/74 ,  C21D1/76 ,  C21D9/46 ,  C21D2211/004 ,  C22C18/04 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C23C2/02 ,  C23C2/26 ,  Y10T428/12799

摘要： Provided is a galvanized steel sheet having a tensile strength of 770 MPa or more including a steel sheet portion, and a plated layer formed on the surface of the steel sheet portion, in which the plated layer is a galvanized plated layer or an galvannealed plated layer, the steel sheet portion has a soft layer that directly adjoins the interface with the plated layer and an inside layer that is other than the soft layer, the thickness D of the soft layer is 0.001 % to 5% of the thickness t of the steel sheet portion, and, when the hardness of the soft layer measured by the nano-indentation method is indicated by H1, and the representative hardness of the steel sheet portion measured by the nano-indentation method is indicated by Ha in a cross section that goes along the thickness direction of the steel sheet portion, H1 is 5% to 75% of Ha.

摘要翻译： 本发明提供一种具有钢板部的拉伸强度为770MPa以上的镀锌钢板，以及形成在钢板部的表面上的镀层，镀层为镀锌层或镀锌层 钢板部具有与镀层的界面直接相邻的软质层和软质层以外的内层，软质层的厚度D为钢的厚度t的0.001〜5％ 并且当通过纳米压痕法测量的软质层的硬度由H1表示时，并且通过纳米压痕法测量的钢板部分的代表性硬度由Ha表示为横截面 沿着钢板部的厚度方向，H1为Ha的5〜75％。