公开(公告)号：EP4427857A1

公开(公告)日：2024-09-11

申请号：EP22907415.8

申请日：2022-12-12

申请人： JFE Steel Corporation

发明人： TANAKA, Takaaki ,  OKUBO, Tomoyuki

IPC分类号： B21B3/02 ,  C21D8/12 ,  C21D9/46 ,  C22C38/00 ,  C22C38/06 ,  C22C38/60 ,  B21B1/22 ,  H01F1/147

CPC分类号： B21B1/22 ,  B21B3/02 ,  H01F1/147 ,  C21D8/12 ,  C21D9/46 ,  C22C38/00 ,  C22C38/06 ,  C22C38/60 ,  Y02P10/20

摘要： A non-oriented electrical steel sheet according to the present invention includes, by mass%, C: 0.010% or less, Si: 1.0% or more and 5.0% or less, Mn: 0.05% or more and 5.0% or less, P: 0.1% or less, S: 0.01% or less, Al: 3.0% or less, N: 0.005% or less, and the balance being Fe and inevitable impurities, wherein an average crystal grain size is 60 µm or more and 200 µm or less, and a sum SA of area ratios of crystal grains with oriented in a rolling direction or a direction perpendicular to the rolling direction and a sum SB of area ratios of crystal grains with oriented in the rolling direction or the direction perpendicular to the rolling direction satisfy SA - SB ≥ 0.

公开(公告)号：EP3225318B1

公开(公告)日：2024-08-21

申请号：EP15863394.1

申请日：2015-10-07

IPC分类号： C21D6/00 ,  C21D9/08 ,  C21D8/10 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58 ,  C22C30/00 ,  B21B19/04 ,  B21B45/02 ,  B21B17/08 ,  B21B3/02

CPC分类号： B21B3/02 ,  B21B17/08 ,  B21B19/04 ,  B21B45/02 ,  C21D8/10 ,  C21D9/08 ,  C22C38/00 ,  C22C38/58 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D8/105 ,  C21D9/085 ,  C21D2211/00120130101 ,  C21D2211/00520130101 ,  C22C30/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54

公开(公告)号：EP3388542A1

公开(公告)日：2018-10-17

申请号：EP17747396.4

申请日：2017-01-31

申请人： Nisshin Steel Co., Ltd.

发明人： YAKUSHIJIN, Yutaka ,  HIRONAKA, Akira ,  IMAKAWA, Kazunari

IPC分类号： C22C38/00 ,  C21D8/02 ,  C21D9/46 ,  C22C38/38 ,  C22C38/58

CPC分类号： C21D9/46 ,  B21B3/02 ,  B21B2015/0057 ,  B21B2261/21 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D8/02 ,  C21D8/0273 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/06 ,  C22C38/38 ,  C22C38/42 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C22C38/58

摘要： The hot-rolled Nb-containing ferritic stainless steel sheet of the present invention has a composition containing C: 0.030 mass% or less, Si: 2.00 mass% or less, Mn: 2.00 mass% or less, P: 0.050 mass% or less, S: 0.040 mass% or less, Cr: 10.00 mass% to 25.00 mass%, N: 0.030 mass% or less and Nb: 0.01 mass% to 0.80 mass%, with the balance being made up of Fe and unavoidable impurities. In this hot-rolled Nb-containing ferritic stainless steel sheet, the precipitation amount of Nb carbonitrides is 0.2 mass% or more, and the number of Laves phases having a grain size of 0.1 µm or less is 10 or fewer per 10 µm 2 of surface area.

公开(公告)号：EP3144410A4

公开(公告)日：2018-06-06

申请号：EP15792096

申请日：2015-04-28

申请人： DAINIPPON PRINTING CO LTD

发明人： IKENAGA CHIKAO

IPC分类号： C23C14/04 ,  B21B1/40 ,  B21B3/02 ,  B21B15/00 ,  H01L51/50 ,  H05B33/10

CPC分类号： H01L51/0011 ,  B21B1/40 ,  B21B3/02 ,  B21B15/00 ,  B21B15/0007 ,  B21B2015/0014 ,  C23C14/04 ,  C23C14/042 ,  H01L51/50 ,  H05B33/10

摘要： There is provided a metal plate capable of manufacturing a deposition mask in which a variation in dimension of through-holes is restrained. An average value of plate thicknesses of the metal plate in a longitudinal direction is within a ±3% range around a predetermined value. In addition, when an average value of the plate thicknesses of the metal plate in the longitudinal direction is represented as A, and a value obtained by multiplying a standard deviation of the plate thicknesses of the metal plate in the longitudinal direction by 3 is represented as B, (B/A) × 100 (%) is 5% or less. Further, when a value obtained by multiplying a standard deviation of the plate thicknesses of the metal plate in the width direction by 3 is represented as C, and a value of a plate thickness of the metal plate at a central portion in the width direction, which is obtained when plate thicknesses of the metal plate are measured along the width direction in order to calculate the standard deviation of the plate thicknesses of the metal plate in the width direction, is represented as X, (C/X) × 100 (%) is 3% or less.

公开(公告)号：EP3307452A1

公开(公告)日：2018-04-18

申请号：EP15735737.7

申请日：2015-06-10

申请人： Aperam

发明人： VIL, Didier ,  DAMASSE, Jean Michel ,  HAEGELI, Françoise

IPC分类号： B21H8/00

CPC分类号： B21H8/005 ,  B21B1/227 ,  B21B3/02

摘要： The invention relates to a rolled stainless steel object, characterized in that the surface thereof has a raised and indented pattern comprising a random juxtaposition of at least two types of polygons (4). Each of said polygons (4) has at least three sides, a surface area of between 1 and 9 mm
2 , and a difference between its smallest and largest dimension of between 0.5 and 3 mm. Each polygon (4) is made up of substantially parallel rectilinear scratches (5) that have a depth of from 5 to 30 μm and are separated by ridge lines (6), have axes that are from 0.1 to 0.3 mm from each other, and a Fourier transform spectral analysis of which scratches, carried out on a square of at least 100 mm
2 , shows that they have an isotropy of at least 40% between the rolling direction and the sideways direction, and two adjacent preferred angular orientations of which scratches, from among the three main preferred angular orientations thereof, are spaced apart by a minimum of 20° and a maximum of 60°.

公开(公告)号：EP3246425A4

公开(公告)日：2018-01-24

申请号：EP15877740

申请日：2015-08-28

申请人： JFE STEEL CORP

发明人： KARIYA NOBUSUKE ,  ONO YOSHIHIKO ,  FUNAKAWA YOSHIMASA ,  MORI KAZUMA ,  SUGIHARA REIKO ,  KAWAMURA KENJI

IPC分类号： C22C38/00 ,  B21B3/00 ,  C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C22C38/18 ,  C22C38/26 ,  C22C38/32 ,  C22C38/38 ,  C22C38/40 ,  C22C38/50 ,  C22C38/58 ,  C22C38/60

CPC分类号： C21D9/46 ,  B21B1/22 ,  B21B3/00 ,  B21B3/02 ,  B21B2001/221 ,  B21B2001/225 ,  C21D6/001 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0263 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/18 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/38 ,  C22C38/40 ,  C22C38/50 ,  C22C38/58 ,  C22C38/60 ,  C23G1/00

摘要： Provided are a high-strength steel sheet having a tensile strength of 1180 MPa or more and excellent bending workability and a method for manufacturing the steel sheet. The high-strength steel sheet has a specified chemical composition with the balance being Fe and inevitable impurities, a microstructure including, in terms of area ratio, 25% or less of a ferrite phase, 75% or more of a bainite phase and/or a martensite phase, and 5% or less of cementite, in which, in a surface layer that is a region within 50 µm from the surface in the thickness direction, the area ratio of a ferrite phase is 5% to 20%, and a tensile strength is 1180 MPa or more.

公开(公告)号：EP3260564A4

公开(公告)日：2017-12-27

申请号：EP15882509

申请日：2015-02-20

申请人： JFE STEEL CORP

发明人： SASAKI SHUNSUKE ,  KATSUMURA TATSURO ,  KATO YASUSHI

IPC分类号： C22C38/00 ,  C21D1/18 ,  C21D6/00 ,  C21D7/12 ,  C21D8/10 ,  C21D9/08 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/40 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58

CPC分类号： C21D9/08 ,  B21B3/02 ,  B21B19/04 ,  C21D1/18 ,  C21D6/004 ,  C21D6/005 ,  C21D6/007 ,  C21D7/12 ,  C21D8/10 ,  C21D8/105 ,  C21D2211/001 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58

摘要： A high-strength heavy-walled stainless steel seamless tube or pipe with a wall thickness central portion having excellent yield strength and low-temperature toughness and a method for manufacturing the same are provided. The high-strength heavy-walled stainless steel seamless tube or pipe exhibiting excellent low-temperature toughness is characterized by having a chemical composition containing Cr: 15.5% to 18.0% and a steel microstructure containing a ferritic phase and a martensitic phase, wherein the maximum value of the areas of the ferrite grains in the steel microstructures in a circumferential direction cross-section and an L direction (rolling direction) cross-section of the steel tube or pipe is 3,000 µm 2 or less and the content of ferrite grains having areas of 800 µm 2 or less is 50% or more on an area fraction basis, where when adjacent ferrite grains are present in the steel microstructure and the crystal misorientation between one ferrite grain and the other ferrite grain is 15° or more, the adjacent grains are assumed to be grains different from each other.

公开(公告)号：EP2182085B1

公开(公告)日：2017-10-11

申请号：EP08777563.1

申请日：2008-06-18

申请人： JFE Steel Corporation

发明人： ISHII, Tomohiro ,  FUNAKAWA, Yoshimasa ,  OKADA, Shuji ,  OHTA, Masayuki

IPC分类号： C22C38/00 ,  B21B1/26 ,  B21B3/02 ,  C21D9/46 ,  C22C38/50 ,  C22C38/54 ,  C21D6/00 ,  C21D8/04 ,  C21D1/32 ,  C21D1/673 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/48

CPC分类号： C22C38/02 ,  B21B3/02 ,  C21D1/32 ,  C21D1/673 ,  C21D6/002 ,  C21D8/0436 ,  C21D8/0473 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/04 ,  C22C38/42 ,  C22C38/48 ,  C22C38/50

公开(公告)号：EP3202936A4

公开(公告)日：2017-08-23

申请号：EP15845681

申请日：2015-09-30

申请人： HITACHI METALS LTD

发明人： YAMAMURA KAZUHIRO ,  UEHARA TOSHIHIRO ,  TANAKA SHIGENORI

IPC分类号： C22C38/00 ,  B21B1/22 ,  B21B3/02 ,  C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/50 ,  H01M8/0202 ,  H01M8/021 ,  H01M8/12

CPC分类号： C21D9/46 ,  B21B1/22 ,  B21B3/02 ,  C21D1/26 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D8/0205 ,  C21D8/0236 ,  C21D2211/005 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/50 ,  H01M8/021 ,  H01M2008/1293 ,  Y02P70/56

摘要： There is provided a steel for solid oxide fuel cells which contains Zr and has a composition balance which allows a thin plate to stably obtain excellent oxidation resistance. The steel for solid oxide fuel cells contains more than 0 and not more than 0.05 mass% of C, 0.05 mass% or less of N, 0.01 mass% or less of O, 0.2 mass% or less of Al, 0.15 mass% or less of Si, 0.1 to 1.0 mass% of Mn, 20.0 to 25.0 mass% of Cr, more than 0 mass% and not more than 1.0 mass% of Ni, 0.02 to 0.12 mass% of La, 0.1 to 0.5 mass% of Zr, 0.15 to 0.5 mass% of La + Zr, and Fe and impurities as a remainder. The following relational formula is satisfied, and an Fe and Zr-containing intermetallic compound viewed in a ferrite matrix is 1.1 mass% or less in terms of a visual field area ratio. 5 7 C + 6 N / 7 ˆ’ 4 7 C + 6 N ‰¤ Zr ‰¤ 41 7 C + 6 N / 7 + 66 7 C + 6 N

摘要翻译： 本发明提供一种含有Zr的固体氧化物型燃料电池用钢，其组成平衡可以使薄板稳定地得到优异的耐氧化性。 固体氧化物型燃料电池用钢含有C：超过0质量％且0.05质量％以下，N：0.05质量％以下，O：0.01质量％以下，Al：0.2质量％以下，0.15质量％以下 的Si，0.1〜1.0质量％的Mn，20.0〜25.0质量％的Cr，大于0质量％并在1.0质量％以下的Ni，0.02〜0.12质量％的La，0.1〜0.5质量％的Zr， La + Zr 0.15〜0.5质量％，剩余部分为Fe及杂质。 以下的关系式成立，从铁素体基体观察到的含有Fe和Zr的金属间化合物以视野面积率计为1.1质量％以下。 5 7 C + 6 N / 7'4 7 C + 6 N Zr‰41 41 7 C + 6 N / 7 + 66 7 C + 6 N

公开(公告)号：EP2690191A3

公开(公告)日：2017-03-01

申请号：EP13189987.4

申请日：2005-10-05

申请人： Nippon Steel & Sumitomo Metal Corporation

发明人： Nonaka, Toshiki ,  Taniguchi, Hirokazu ,  Goto, Koichi

IPC分类号： C22C38/06 ,  C22C38/38 ,  B21B3/00 ,  C21D9/46 ,  C22C38/12 ,  C22C38/02 ,  C21D8/04 ,  C21D1/25 ,  B21B3/02 ,  C22C38/04 ,  C22C38/00 ,  C22C38/14

CPC分类号： C22C38/02 ,  B21B3/02 ,  C21D1/25 ,  C21D8/041 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0473 ,  C21D9/46 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/002 ,  C22C38/005 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C22C38/18 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/38

摘要： The present invention provides high strength thin-gauge steel sheet with excellent elongation and hole expandability having a tensile strength of 500 MPa or more and a method of production of high strength thin-gauge steel sheet with excellent elongation and hole expandability enabling production of this on an industrial scale, that is, high strength thin-gauge steel sheet comprising, by mass%, C: 0.03 to 0.25%, Si: 0.4 to 2.0%, Mn: 0.8 to 3.1%, P≤0.02%, S≤0.02%, Al≤2.0%, N≤0.01%, and a balance of Fe and unavoidable impurities and having a microstructure comprising ferrite with an area fraction of 10 to 85% and residual austenite with a volume fraction of 1 to 10%, an area fraction of 10% to 60% of tempered martensite, and a balance of bainite.

摘要翻译： 本发明提供了高强度薄钢板，具有优良的延伸率和扩孔具有500MPa以上的拉伸强度和生产高强度薄钢板的具有优良的延伸率和扩孔的方法上能够制造本 在工业规模，就是那样，高强度薄钢板，其包括以质量％计，T：0.03〜0.25％以下，Si：0.4〜2.0％以下，Mn：0.8〜3.1％，P <0.02％，S <0.02％ 人‰2.0％，N_ <0.01％，以及Fe和不可避免的杂质的平衡和具有微结构在与面积率1％至10％的体积分数为10〜85％，残留奥氏体的面积率，包括铁素体与 的10％〜60％回火马氏体，贝氏体和的平衡。