公开(公告)号：US10301702B2

公开(公告)日：2019-05-28

申请号：US15313729

申请日：2015-05-11

Applicant: JFE STEEL CORPORATION ,  THYSSENKRUPP RASSELSTEIN GMBH ,  Thomas Fechner

Inventor： Takumi Tanaka ,  Yusuke Nakagawa ,  Masaki Tada ,  Katsumi Kojima ,  Hiroki Nakamaru ,  Kathleen Stein-Fechner ,  Burkhard Kaup

IPC: C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C21D9/46 ,  C21D9/48 ,  C21D8/02 ,  C21D8/04 ,  C22C38/00 ,  B22D11/00 ,  C22C38/02 ,  C23G1/02

Abstract: A can steel plate includes: equal or less than 0.0030% by mass of C; equal or less than 0.02% by mass of Si; 0.05-0.60% by mass of Mn; equal or less than 0.020% by mass of P; equal or less than 0.020% by mass of S; 0.010% to 0.100% by mass of Al; 0.0010-0.0050% by mass of N; 0.001-0.050% by mass of Nb; and balance Fe and impurities. Intensity of (111) [1-21] orientation (where −2 represents 2 with bar in Miller indices) and intensity of (111)[1-10] orientation (where −1 represents 1 with bar in Miller indices) satisfy the following equation (1), and in a rolling direction and 90° direction from the rolling direction in a horizontal plane, tensile strength TS (MPa) and fracture elongation El (%) satisfy relations of the following equations (2) and (3). (Intensity of (111) [1-21] orientation)/(Intensity of (111) [1-10] orientation)>0.9 . . . (1), TS>550 . . . (2), El>−0.02×TS+17.5 . . . (3).

公开(公告)号：US20180112295A1

公开(公告)日：2018-04-26

申请号：US15561842

申请日：2016-03-28

Applicant: JFE STEEL CORPORATION

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

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

CPC classification number: C22C38/06 ,  B21D51/26 ,  B21D51/44 ,  C21D8/0273 ,  C21D8/0473 ,  C21D9/46 ,  C21D9/48 ,  C21D2211/004 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04

Abstract: A steel sheet for can lids contains, in mass %, 0.020-0.060% of C, 0.01-0.05% of Si, 0.20-0.60% of Mn, 0.001-0.100% of P, 0.008-0.020% of S, 0.0130-0.0190% of N, and from 0.005% to {−4.20×N+0.110}% of Al, with Mnf being 0.30% to 0.58% (inclusive), where Mnf=Mn−1.7×S, and with the balance made up of Fe and unavoidable impurities. The lower yield strength YP (N/mm2) and the yield point elongation YPEl (%) of this steel sheet for can lids after an aging treatment at 210° C. for 10 minutes satisfy YP≥355, YPEl≥2, YPEl≥(60/(YP−355))+2 and YP≤4.09×YPEl+476. A method for producing this steel sheet for can lids.

公开(公告)号：US20170335438A1

公开(公告)日：2017-11-23

申请号：US15527167

申请日：2015-11-19

Applicant: JFE Steel Corporation

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

IPC: C22C38/06 ,  C22C38/02 ,  C22C38/00 ,  C21D9/46 ,  C21D6/00 ,  C22C38/04 ,  B65D41/12

CPC classification number: C22C38/06 ,  B65D41/12 ,  C21D6/005 ,  C21D8/0436 ,  C21D8/0473 ,  C21D9/0068 ,  C21D9/46 ,  C21D9/48 ,  C22C38/00 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04

Abstract: A steel sheet for a crown cap has sufficient strength and formability even when the thickness thereof is reduced for use, and has a composition containing, in percent by mass, C: 0.010% to 0.025%, Si: 0.10% or less, Mn: 0.05% to 0.50%, P: 0.050% or less, S: 0.005% to 0.050%, Al: 0.020% to 0.070%, N: less than 0.0040%, and the balance being Fe and inevitable impurities, wherein yield strength after heat treatment at 210° C. for 15 minutes is as follows: the yield strength is 550 MPa or more in a rolling direction, and the yield strength in a direction 45° from the rolling direction in a rolling plane is equal to or less than the average of the yield strength in the rolling direction and the yield strength in a direction 90° from the rolling direction in the rolling plane.

公开(公告)号：US20170306436A1

公开(公告)日：2017-10-26

申请号：US15520476

申请日：2015-09-18

Applicant: JFE Steel Corporation

Inventor： Hayato Saito ,  Katsumi Kojima ,  Hiroki Nakamaru

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

CPC classification number: C21D9/46 ,  C21D6/008 ,  C21D8/0436 ,  C21D8/0468 ,  C21D9/48 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

Abstract: A steel sheet for two-piece cans is suitable not only for drawing and ironing, but also for forming beads or geometric shapes on a can body and can be preferably used to form a special-shaped two-piece can. The steel sheet for two-piece cans contains, in mass %, C: 0.020% to 0.080%, Si: 0.04% or less, Mn: 0.10% to 0.60%, P: 0.02% or less, S: 0.015% or less, Al: 0.010% to 0.100%, and N: 0.0005% to 0.0030%, the balance being Fe and unavoidable impurities. The steel sheet has a tensile strength of 480 MPa or more, an elongation of 7% or more, a yield elongation of 3% or less, and a ferrite grain size of less than 6 μm.

公开(公告)号：US09598744B2

公开(公告)日：2017-03-21

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 ,  C23C2/28 ,  B32B15/01 ,  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 ,  C25D3/56 ,  C21D8/04

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 method for producing a hot-pressed member includes heating a coated steel sheet, which includes, on a surface thereof, a Zn—Ni alloy coating layer containing 10% by mass or more and less than 13% by mass of Ni at a coating weight of over 50 g/m2 per side of the steel sheet, in a temperature region of an Ac3 transformation point to 1200° C. at an average heating rate of 12° C./second or more, and then hot-pressing the steel sheet.

公开(公告)号：US20160355294A1

公开(公告)日：2016-12-08

申请号：US15118275

申请日：2015-02-17

Applicant: JFE STEEL CORPORATION

Inventor： Yoichiro Yamanaka ,  Junichi Kitagawa ,  Hiroki Nakamaru

IPC: B65D1/16 ,  B05D1/02 ,  B05D1/28

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.

Abstract translation: 提供一种用于容器的树脂涂覆金属片，当金属片形成容器时，具有在容器的内表面侧上具有含有聚酯作为主要成分的多层结构的树脂层（A）。 树脂层（A）含有85摩尔％以上的对苯二甲酸，树脂层（A）具有至少两层，包含与内容物接触的最上层的树脂层（a1），并含有蜡化合物 相对于最上层树脂层（a1），相对于通过在最上层树脂层（a1）上进行拉曼光谱测定的1615cm -1的拉曼带，为0.10质量％以上且2.0质量％以下的量， 在纵向上的峰强度与厚度方向的峰值强度的峰值强度比（IMD / IND）的最大值为1.0以上且4.0以​​下，最上层树脂层（a1）的厚度为0.5μm以上 和10μm以下，除了最上层树脂层（a1）的厚度以外的树脂层（A）的厚度为5μm以上且20μm以下。

公开(公告)号：US20160257099A1

公开(公告)日：2016-09-08

申请号：US15032816

申请日：2014-10-29

Applicant: JFE STEEL CORPORATION

Inventor： Yoichiro Yamanaka ,  Yusuke Nakagawa ,  Junichi Kitagawa ,  Hiroki Nakamaru

IPC: B32B27/36 ,  B65D25/14 ,  B32B15/09 ,  B65D1/12

CPC classification number: B32B27/36 ,  B32B15/04 ,  B32B15/09 ,  B32B15/18 ,  B32B38/0036 ,  B32B38/145 ,  B32B2307/4026 ,  B32B2307/558 ,  B32B2307/714 ,  B32B2307/75 ,  B32B2311/00 ,  B32B2367/00 ,  B32B2439/00 ,  B32B2439/66 ,  B32B2439/70 ,  B65D1/12 ,  B65D1/165 ,  B65D25/14

Abstract: Provided are a laminated metal sheet for containers that has excellent formability after heat treatment performed after coating, printing, etc. and is suitable for DR cans, a method for producing a metal can using the above metal sheet and a method for evaluating the formability of a metal sheet. The crystal structure of a top layer of a laminate layer of the laminated metal sheet for containers and the crystal structure inside the laminate layer are controlled in a sophisticated manner. Specifically, the intensity ratio I2968/I3085 of the Raman band intensity (I2968) at a peak position around 2,968 cm−1 to the Raman band intensity (I3085) at a peak position around 3,085 cm−1 that are obtained by laser Raman spectroscopy is used. This intensity ratio is controlled within a specific range.

Abstract translation: 提供一种用于容器的层叠金属板，其在涂布，印刷等后进行热处理后具有优异的成形性，并且适用于DR罐，使用上述金属板的金属罐的制造方法以及评价成型性的方法 金属片。 用于容器的层叠金属板的层压层的顶层的晶体结构和层压层内的晶体结构的结构结构以精细的方式进行控制。 具体地，通过激光拉曼光谱法获得的在2968cm -1附近的峰值位置处的拉曼光谱强度（I2968）与在3.085cm -1附近的峰值位置处的拉曼光谱强度（I3085）的强度比I2968 / I3085是 用过的。 该强度比控制在特定范围内。

公开(公告)号：US20150136635A1

公开(公告)日：2015-05-21

申请号：US14405409

申请日：2013-06-03

Applicant: JFE Steel Corporation

Inventor： Masaki Tada ,  Katsumi Kojima ,  Hiroki Nakamaru ,  Yoichi Tobiyama

IPC: B65D6/00 ,  B21D51/26

CPC classification number: B65D7/42 ,  B21D51/26 ,  B65D7/04 ,  C21D8/0273 ,  C21D9/46 ,  C22C38/00 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

Abstract: A three-piece can includes a can body obtained by forming a steel sheet such that a roundness of the can is 0.34 mm or less. The steel sheet contains: by mass %, C: 0.020% or more and 0.100% or less; Si: 0.10% or less; Mn: 0.10% or more and 0.80% or less; P: 0.001% or more and 0.100% or less; S: 0.001% or more and 0.020% or less; Al: 0.005% or more and 0.100% or less; and N: 0.0130% or more and 0.0200% or less. The balance is Fe and inevitable impurities. The steel sheet has a yield strength of 440 MPa or more and a total elongation of 12% or more.

Abstract translation: 三件式可以包括通过形成钢板而获得的罐体，使得罐的圆度为0.34mm以下。 该钢板以质量％计含有C：0.020％以上且0.100％以下的钢板。 Si：0.10％以下; Mn：0.10％以上且0.80％以下; P：0.001％以上且0.100％以下; S：0.001％以上且0.020％以下; Al：0.005％以上且0.100％以下; N：0.0130％以上且0.0200％以下。 余量为Fe和不可避免的杂质。 钢板的屈服强度为440MPa以上，总伸长率为12％以上。

公开(公告)号：US20140216611A1

公开(公告)日：2014-08-07

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

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.