公开(公告)号：US20200262183A1

公开(公告)日：2020-08-20

申请号：US15781605

申请日：2016-10-21

Applicant: JFE STEEL CORPORATION

Inventor： Norihiko Nakamura ,  Yasuhide Oshima ,  Junichi Kitagawa ,  Hiroki Nakamaru ,  Yoichiro Yamanaka

IPC: B32B15/09 ,  B32B15/18 ,  B65D65/40

Abstract: A laminated steel sheet for a both-sided resin-coated container includes a steel sheet, a first polyester resin layer formed on a surface of the steel sheet serving as an inner side of a container after the container is formed, and a second polyester resin layer formed on a surface of the steel sheet serving as an outer side of the container after the container is formed. The first polyester resin layer includes a polyethylene terephthalate content of 95% by weight or more and has a degree of crystallinity in a range of 3% to 25%. The second polyester resin layer includes polyethylene terephthalate and polybutylene terephthalate and has a proportion of polybutylene terephthalate in a range of 40% by weight to 80% by weight.

公开(公告)号：US10392682B2

公开(公告)日：2019-08-27

申请号：US14440779

申请日：2013-11-06

Applicant: JFE STEEL CORPORATION

Inventor： Mikito Suto ,  Katsumi Kojima ,  Masaki Tada ,  Hiroki Nakamaru

IPC: C22C38/06 ,  C21D9/46 ,  C22C38/00 ,  C21D8/04 ,  C22C38/02 ,  C22C38/04 ,  C21D6/00 ,  C21D8/02

Abstract: Provided are a steel sheet for a can having high buckling strength for a can body against an external force and excellent formability when being formed into a shape having a design effect by additionally giving elongation strain in the circumferential direction after the steel sheet having been formed into a cylindrical shape and a method for manufacturing the steel sheet. The chemical composition is controlled to contain, by mass %, C: 0.0005% or more and 0.0035% or less, Si: 0.050% or less, Mn: more than 0.60% and 1.00% or less, P: 0.030% or less, S: 0.020% or less, Al: 0.010% or more and 0.100% or less, N: 0.0030% or less, B: 0.0005% or more, and the balance being Fe and inevitable impurities, in which the relationship B/N≥0.50 is satisfied where B/N represents (B(mass %)/10.81)/(N(mass %)/14.01), and a Young's modulus in a direction at an angle of 90° to the rolling direction is 220 GPa or more.

公开(公告)号：US09873539B2

公开(公告)日：2018-01-23

申请号：US15118275

申请日：2015-02-17

Applicant: JFE STEEL CORPORATION

Inventor： Yoichiro Yamanaka ,  Junichi Kitagawa ,  Hiroki Nakamaru

IPC: B05D1/16 ,  B05D1/02 ,  B05D1/28 ,  B65D1/16 ,  B05D7/14 ,  B05D7/00 ,  B32B1/00 ,  B32B15/00 ,  B32B15/04 ,  B32B15/08 ,  B32B27/00 ,  B32B1/02

CPC classification number: B65D1/165 ,  B05D1/02 ,  B05D1/28 ,  B05D7/14 ,  B05D7/54 ,  B05D2252/10 ,  B32B1/00 ,  B32B1/02 ,  B32B15/00 ,  B32B15/04 ,  B32B15/08 ,  B32B15/18 ,  B32B27/00 ,  B32B27/08 ,  B32B27/26 ,  B32B27/34 ,  B32B27/36 ,  B32B27/42 ,  B32B37/04 ,  B32B37/06 ,  B32B37/08 ,  B32B37/206 ,  B32B2255/00 ,  B32B2255/06 ,  B32B2255/205 ,  B32B2270/00 ,  B32B2307/4026 ,  B32B2307/518 ,  B32B2307/714 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/732 ,  B32B2307/75 ,  B32B2309/02 ,  B32B2311/30 ,  B32B2439/00 ,  B32B2439/66 ,  B32B2439/70

Abstract: Provided is a resin-coated metal sheet for a container having a resin layer (A) having a multi-layer structure containing polyester as a main component on an inner-surface side of the container when the metal sheet is formed into the container. The resin layer (A) contains terephthalic acid in an amount of 85 mol % or more, the resin layer (A) has at least two layers including an uppermost resin layer (a1) which comes into contact with contents and contains wax compounds in an amount of 0.10 mass % or more and 2.0 mass % or less with respect to the uppermost resin layer (a1), with respect to a Raman band of 1615 cm−1 determined by performing Raman spectroscopy on the uppermost resin layer (a1), the maximum value of the peak intensity ratio (IMD/IND) of peak intensity in a longitudinal direction to peak intensity in a thickness direction is 1.0 or more and 4.0 or less, a thickness of the uppermost resin layer (a1) is 0.5 μm or more and 10 μm or less, and a thickness of the resin layer (A) excluding the thickness of the uppermost resin layer (a1) is 5 μm or more and 20 μm or less.

公开(公告)号：US20140216610A1

公开(公告)日：2014-08-07

申请号：US14093995

申请日：2013-12-02

Applicant: JFE STEEL CORPORATION

Inventor： Hiroki Nakamaru ,  Seiji Nakajima ,  Tatsuya Miyoshi ,  Hiroyuki Masuoka ,  Shinji Ootsuka

IPC: C21D8/02

CPC classification number: C21D8/0247 ,  B32B15/01 ,  B32B15/013 ,  B32B15/015 ,  B32B15/04 ,  B32B15/043 ,  B32B15/18 ,  C21D1/673 ,  C21D8/0457 ,  C21D2251/02 ,  C22C18/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C22C38/18 ,  C22C38/28 ,  C22C38/32 ,  C22C38/34 ,  C22C38/38 ,  C22C38/60 ,  C23C2/06 ,  C23C2/26 ,  C23C2/28 ,  C23C10/28 ,  C23C10/60 ,  C23C26/00 ,  C23C28/321 ,  C23C28/322 ,  C23C28/325 ,  C23C28/345 ,  C23C30/005 ,  C25D3/565 ,  C25D5/48 ,  C25D5/50 ,  Y10T428/12486 ,  Y10T428/1259 ,  Y10T428/12611 ,  Y10T428/12618 ,  Y10T428/1266 ,  Y10T428/12674 ,  Y10T428/12757 ,  Y10T428/12792 ,  Y10T428/12799 ,  Y10T428/12806 ,  Y10T428/12931 ,  Y10T428/12937 ,  Y10T428/12944 ,  Y10T428/12972 ,  Y10T428/12979 ,  Y10T428/2495 ,  Y10T428/24967 ,  Y10T428/264 ,  Y10T428/265

Abstract: A hot-pressed member includes a steel sheet, a Ni-diffusion region present in a surface layer of the steel sheet, and an intermetallic compound layer and a ZnO layer which are provided in order on the Ni-diffusion region, the intermetallic compound layer corresponding to a γ phase present in a phase equilibrium diagram of a Zn—Ni alloy, wherein a spontaneous immersion potential indicated in a 0.5 M NaCl aqueous air-saturated solution at 25° C.±5° C. is −600 to −360 mV based on a standard hydrogen electrode.

Abstract translation: 热压部件包括钢板，存在于钢板的表层中的Ni扩散区域和在Ni扩散区域上依次设置的金属间化合物层和ZnO层，金属间化合物层 对应于存在于Zn-Ni合金的相平衡图中的γ相，其中在25℃±5℃下在0.5M NaCl饱和空气饱和溶液中指示的自发浸渍电位为-600至-360 基于标准氢电极的mV。

公开(公告)号：US10427381B2

公开(公告)日：2019-10-01

申请号：US15553027

申请日：2016-03-31

Applicant: JFE STEEL CORPORATION

Inventor： Norihiko Nakamura ,  Junichi Kitagawa ,  Hiroki Nakamaru ,  Yoichiro Yamanaka

IPC: B32B15/09 ,  B32B15/18 ,  B65D1/12 ,  B65D25/14 ,  B65D25/34 ,  B32B27/36 ,  B65D65/40 ,  B32B7/00 ,  B32B7/02 ,  B32B15/08 ,  B32B15/20 ,  B32B1/02 ,  B65D25/36 ,  B65D1/09 ,  B65D1/28 ,  B29C48/154 ,  B29C48/21 ,  C21D9/46 ,  B29C48/30 ,  B29C48/305

Abstract: A laminated metal sheet 1 includes a film 3 including a laminated resin layer including at least two layers with polyester as a main component formed on one face or both faces of a metal sheet 2. A polyester resin layer serving as a lower layer 3a in contact with the metal sheet 2 of the laminated resin layer contains 90 mol % or more of terephthalic acid as a polycarboxylic acid component and contains a polyol component containing ethylene glycol and 1,4-butanediol, in which the polyol component contains 30 to 50 mol % of ethylene glycol, 50 to 70 mol % of 1,4-butanediol, and 10 mol % or less of other polyol components. A polyester resin layer serving as an upper layer 3b of the laminated resin layer contains polyester containing terephthalic acid as a polycarboxylic acid component and 1,4-butanediol as a polyol component both of which are 90 mol % or more of the respective components, has a total thickness of 3 to 25 μm, and has a ratio (I011/I100) of peak intensity (I011) observed in the range of 2θ=15.5 degrees to 17.0 degrees to peak intensity (I100) observed in the range of 2θ=22.5 degrees to 24.0 degrees in X-ray diffraction in the range of 0.2 to 5.0.

公开(公告)号：US10316381B2

公开(公告)日：2019-06-11

申请号：US14094003

申请日：2013-12-02

Applicant: JFE STEEL CORPORATION

Inventor： Hiroki Nakamaru ,  Seiji Nakajima ,  Tatsuya Miyoshi ,  Hiroyuki Masuoka ,  Shinji Ootsuka

IPC: C21D8/02 ,  C23C2/28 ,  B32B15/01 ,  B32B15/04 ,  C23C2/06 ,  B32B15/18 ,  C25D3/56 ,  B21D22/20 ,  C21D8/00 ,  B21D22/00 ,  C22C18/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/18 ,  C22C38/32 ,  C22C38/60 ,  C23C10/28 ,  C25D5/48 ,  C25D5/50 ,  C21D1/673 ,  C23C2/26 ,  C23C10/60 ,  C23C26/00 ,  C23C28/00 ,  C22C38/00 ,  C22C38/14 ,  C22C38/28 ,  C22C38/34 ,  C22C38/38 ,  C23C30/00 ,  C21D8/04

Abstract: A method is provided for producing a hot-pressed member including heating a Ni-based coated steel sheet, which includes, on a surface thereof, a Zn—Ni alloy coating layer containing 13% by mass or more of Ni, in a temperature region of an Ac3 transformation point to 1200° C.; and then hot-pressing the steel sheet.

公开(公告)号：US09993998B2

公开(公告)日：2018-06-12

申请号：US15117877

申请日：2015-02-17

Applicant: JFE STEEL CORPORATION

Inventor： Yoichiro Yamanaka ,  Junichi Kitagawa ,  Hiroki Nakamaru

IPC: B32B15/09 ,  B32B27/08 ,  B65D25/14 ,  B32B37/10 ,  B05D7/14 ,  B05D7/00

CPC classification number: B32B15/09 ,  B05D7/14 ,  B05D7/54 ,  B05D2202/10 ,  B05D2252/10 ,  B32B27/08 ,  B32B37/10 ,  B32B2311/30 ,  B32B2367/00 ,  B32B2439/00 ,  B65D25/14

Abstract: Provided is a resin-coated metal sheet for containers having a resin layer (A) on a side of the metal sheet, the side being a side that will serve as a container inner surface when the metal sheet is formed into a container. The resin layer (A) has a polyester-based multilayer structure. The resin layer (A) contains 85 mol % or more of terephthalic acid. The resin layer (A) includes at least two layers, and an uppermost resin layer (a1), which is to be in contact with contends, contains 0.10 to 2.0 mass % of a wax compound with respect to the uppermost resin layer (a1). The maximum value of the Raman band intensity ratio (I1720/I1615) when measured for the cross section of the uppermost resin layer (a1) by using a laser polarization plane parallel to the surface of the resin layer (a1) is in the range of 0.45 or more and 0.80 or less. The uppermost resin layer (a1) has a thickness of 0.5 μm or more and 10 μm or less. The resin layer (A) excluding the uppermost resin layer (a1) has a thickness of 5 μm or more and 20 μm or less.

公开(公告)号：US20170008256A1

公开(公告)日：2017-01-12

申请号：US15117877

申请日：2015-02-17

Applicant: JFE STEEL CORPORATION

Inventor： Yoichiro Yamanaka ,  Junichi Kitagawa ,  Hiroki Nakamaru

IPC: B32B15/09 ,  B32B27/08 ,  B65D25/14 ,  B32B37/10

CPC classification number: B32B15/09 ,  B05D7/14 ,  B05D7/54 ,  B05D2202/10 ,  B05D2252/10 ,  B32B27/08 ,  B32B37/10 ,  B32B2311/30 ,  B32B2367/00 ,  B32B2439/00 ,  B65D25/14

Abstract: Provided is a resin-coated metal sheet for containers having a resin layer (A) on a side of the metal sheet, the side being a side that will serve as a container inner surface when the metal sheet is formed into a container. The resin layer (A) has a polyester-based multilayer structure. The resin layer (A) contains 85 mol % or more of terephthalic acid. The resin layer (A) includes at least two layers, and an uppermost resin layer (a1), which is to be in contact with contends, contains 0.10 to 2.0 mass % of a wax compound with respect to the uppermost resin layer (a1). The maximum value of the Raman band intensity ratio (I1720/I1615) when measured for the cross section of the uppermost resin layer (a1) by using a laser polarization plane parallel to the surface of the resin layer (a1) is in the range of 0.45 or more and 0.80 or less. The uppermost resin layer (a1) has a thickness of 0.5 μm or more and 10 μm or less. The resin layer (A) excluding the uppermost resin layer (a1) has a thickness of 5 μm or more and 20 μm or less.

Abstract translation: 本发明提供一种用于在金属板侧具有树脂层（A）的容器树脂涂覆金属片，该侧面是当金属片形成容器时将用作容器内表面的一侧。 树脂层（A）具有聚酯类多层结构。 树脂层（A）含有85摩尔％以上的对苯二甲酸。 树脂层（A）至少包含两层，与上述接触的最上层树脂层（a1）相对于最上层树脂层（a1）含有0.10〜2.0质量％的蜡化合物， 。 通过使用与树脂层（a1）的表面平行的激光偏振面测量最上层树脂层（a1）的截面时的拉曼带强度比（I1720 / I1615）的最大值在 0.45以上且0.80以下。 最上层的树脂层（a1）的厚度为0.5μm以上且10μm以下。 除了最上层树脂层（a1）以外的树脂层（A）的厚度为5μm以上且20μm以下。

公开(公告)号：US09493868B2

公开(公告)日：2016-11-15

申请号：US14364357

申请日：2012-12-10

Applicant: JFE Steel Corporation ,  Tokyo Institute of Technology

Inventor： Tooru Tsuru ,  Toshio Maruyama ,  Tatsuo Sato ,  Masao Takeyama ,  Masahiro Yoshida ,  Sakae Fujita ,  Sachiko Suzuki ,  Satoru Ando ,  Hiroki Nakamaru

IPC: B32B15/01 ,  C22C21/00 ,  C23C2/12 ,  C22C21/06 ,  C23C2/28 ,  C21D8/04 ,  C21D1/673

CPC classification number: C23C2/12 ,  C21D1/673 ,  C21D8/0473 ,  C21D8/0478 ,  C21D2211/004 ,  C22C21/06 ,  C23C2/28 ,  Y10T428/12757

Abstract: An aluminum or aluminum alloy-coated steel material includes base steel; and a coating layer formed on a surface of the base steel and containing by mass % Mg: 6% to 10%, Si: 3% to 7%, Fe: 0.2% to 2%, Mn: 0.02% to 2%, and the balance as Al and incidental impurities, wherein the coating layer has pseudoternary eutectic microstructures of αAl—Mg2Si—(Al—Fe—Si—Mn) and an area ratio of the pseudoternary eutectic microstructures in the coating layer is at least 30%.

Abstract translation: 铝或铝合金涂层钢材包括基体钢; 以及以质量％的Mg：6〜10％，Si：3〜7％，Fe：0.2〜2％，Mn：0.02〜2％的比例含有的涂层， 作为Al和偶然杂质的平衡，其中涂层具有αAl-Mg2Si（（Al-Fe-Si-Mn））的假三元共晶微结构，并且涂层中的假三元共晶微结构的面积比至少为30％。

公开(公告)号：US10655199B2

公开(公告)日：2020-05-19

申请号：US15551641

申请日：2016-01-27

Applicant: JFE STEEL CORPORATION

Inventor： Takumi Tanaka ,  Tomonari Hiraguchi ,  Katsumi Kojima ,  Hiroki Nakamaru ,  Nobusuke Kariya

IPC: C21D9/46 ,  C22C38/06 ,  C22C38/00 ,  C21D8/02 ,  C22C38/02 ,  C22C38/04 ,  B65D41/12

Abstract: Provided are a steel sheet, having sufficient strength and formability regardless of reduction of thickness, for crown caps; a method for manufacturing the same; and a crown cap. The steel sheet for crown caps has a composition containing C: 0.0010% to less than 0.0050%, Si: 0.10% or less, Mn: 0.05% to less than 0.50%, P: 0.050% or less, S: 0.050% or less, Al: more than 0.002% to less than 0.070%, N: less than 0.0040%, and B: 0.0005% to 0.0020% on a mass basis, the balance being Fe and inevitable impurities, and also has a yield strength of 500 MPa or more in a rolling direction, an average Lankford value (r) of 1.1 or more, and an in-plane anisotropy (Δr) of Lankford value of −0.3 to 0.3.