公开(公告)号：US10392709B2

公开(公告)日：2019-08-27

申请号：US15475393

申请日：2017-03-31

Applicant: JFE STEEL CORPORATION

Inventor： Yuka Miyamoto ,  Takeshi Suzuki ,  Hiroki Iwasa ,  Norihiko Nakamura ,  Masao Inose ,  Hisato Noro ,  Yoichi Tobiyama

IPC: C23C28/02 ,  C25D5/10 ,  C25D5/12 ,  C25D7/00 ,  C25D9/08 ,  C25D9/10 ,  C25D3/02 ,  C25D3/12 ,  C21D8/02 ,  C21D9/46 ,  C23C22/50 ,  C23G1/08 ,  C25D3/20 ,  C25D3/22 ,  C25D3/38 ,  C25D3/54 ,  C25D5/36 ,  C25F1/00 ,  C25D3/30 ,  C25D5/50

Abstract: A coated steel sheet includes a corrosion-resistant coating composed of at least one layer selected from the group consisting of a Ni layer, a Sn layer, an Fe—Ni alloy layer, an Fe—Sn alloy layer, and an Fe—Ni—Sn alloy layer disposed on at least one surface of a steel sheet, and an adhesive coating disposed on the corrosion-resistant coating, the adhesive coating containing Zr and further containing at least one metal element selected from the group consisting of Co, Fe, Ni, V, Cu, Mn, and Zn, in total, at a ratio by mass of 0.01 to 10 with respect to Zr. The coated steel sheet has excellent humid resin adhesion and corrosion resistance, in which streaky surface defects do not occur.

公开(公告)号：US09879332B2

公开(公告)日：2018-01-30

申请号：US14487140

申请日：2014-09-16

Applicant: JFE Steel Corporation

Inventor： Takumi Tanaka ,  Katsumi Kojima ,  Makoto Aratani ,  Hiroki Iwasa

IPC: C21D8/02 ,  C21D8/00 ,  B22D11/00 ,  B22D11/124 ,  C21D8/04 ,  C22C38/00 ,  C22C38/02 ,  C22C38/06 ,  C22C38/04 ,  C21D9/48

CPC classification number: C21D8/005 ,  B22D11/001 ,  B22D11/124 ,  C21D8/0436 ,  C21D8/0442 ,  C21D8/0473 ,  C21D9/48 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

Abstract: A method of manufacturing a high-strength steel sheet includes, on a mass percent basis, 0.03%-0.10% C, 0.01%-0.5% Si, 0.001%-0.100% P, 0.001%-0.020% S, 0.01%-0.10% Al, 0.005%-0.012% N, the balance being Fe and incidental impurities, and microstructures that do not contain a pearlite microstructure, wherein, when Mnf=Mn [% by mass]−1.71×S [% by mass], Mnf is 0.3 to 0.6, including: forming a slab by vertical-bending type continuous casting or bow type continuous casting, wherein surface temperature of a slab corner in a region where the slab undergoes bending deformation or unbending deformation is 800° C. or lower, or 900° C. or higher; forming a steel sheet by hot-rolling the slab followed by cold rolling; annealing the steel sheet after the cold rolling; and skinpass rolling at a draft of 3% or less after the annealing.

公开(公告)号：US08727155B2

公开(公告)日：2014-05-20

申请号：US13723957

申请日：2012-12-21

Applicant: JFE Steel Corporation

Inventor： Yasuhide Oshima ,  Hiroki Iwasa ,  Yoshihiko Yasue ,  Yuka Nishihara ,  Katsumi Kojima ,  Hiroshi Kubo

IPC: B21D51/26

CPC classification number: B65D7/12 ,  B21D51/26 ,  B21D51/2615 ,  B32B1/02 ,  B32B15/08 ,  B32B15/18 ,  B32B27/18 ,  B32B27/36 ,  B32B2307/518 ,  B32B2307/584 ,  B32B2307/714 ,  B32B2439/66 ,  B65D1/165 ,  Y10T428/31681

Abstract: A can body for a two-piece can made of a laminated steel sheet, the laminated steel sheet containing a steel sheet and a copolyethylene terephthalate resin layer containing at least hyone member selected from the group consisting of isophthalic acid and cyclohexane dimethanol as a copolymer component in a proportion of 5 to 20 mol %, and having a crystallization temperature of 120° C. to 140° C. on at least one side of the steel sheet; and satisfying the following relationships: r1≦r, 0.1≦r1/R≦0.25, and 1.5≦h/(R−r)≦4, wherein r1 represents the minimum radius of the can body, r represents the maximum radius of the can body, h represents the height of the can body, and R represents the radius of the laminated steel sheet having a circular shape before shaping whose weight is the same as that of the can body. The can body has a high strain level, and does not suffer from delamination and breakage of the resin layer.

Abstract translation: 用于层叠钢板的两片式罐体可以是含有钢板和共聚对苯二甲酸乙二醇酯树脂层的叠层钢板，该层叠钢板至少含有选自间苯二甲酸和环己烷二甲醇中的共振组分的共振组分 比例为5〜20摩尔％，在钢板的至少一面具有120℃〜140℃的结晶化温度。 并且满足以下关系：r1＆nlE; r，0.1＆nlE; r1 / R＆nlE; 0.25和1.5＆nlE; h /（R-r）＆nlE; 4，其中r1表示罐体的最小半径，r表示最大半径 罐体的高度h表示罐体的高度，R表示成形前的具有与罐体相同重量的圆形的层叠钢板的半径。 罐体具有高应变水平，并且不会发生树脂层的分层破损。

公开(公告)号：US10252319B2

公开(公告)日：2019-04-09

申请号：US15158897

申请日：2016-05-19

Applicant: JFE Steel Corporation

Inventor： Yasuhide Oshima ,  Junichi Kitagawa ,  Hiroki Iwasa ,  Katsumi Kojima ,  Hiroshi Kubo

IPC: B21D51/26 ,  B32B27/36 ,  B32B15/09 ,  B32B15/18

Abstract: A laminated steel sheet for a two-piece can body with a high strain level satisfying the following formulae, the polyester resin layer composing the laminated steel sheet having a center line surface roughness (Ra) of 0.2 μm to 1.8 μm: r1≤r,0.1≤r1/R≤0.25, and 1.5≤h/(R−r)≤4 wherein h is the height of the two-piece can body, r is the maximum radius, r1 is the minimum radius, and R is the radius of the circular laminated steel sheet before forming having the same weight as the can body.

公开(公告)号：US20140102907A1

公开(公告)日：2014-04-17

申请号：US14132090

申请日：2013-12-18

Applicant: JFE Steel Corporation

Inventor： Takeshi Suzuki ,  Norihiko Nakamura ,  Hiroki Iwasa

IPC: C25D5/10 ,  C25D3/30

CPC classification number: C25D5/10 ,  C23C2/08 ,  C23C2/26 ,  C23C2/28 ,  C23C22/08 ,  C23C22/20 ,  C23C22/73 ,  C23C28/321 ,  C23C28/322 ,  C23C28/34 ,  C25D3/30 ,  C25D5/48 ,  C25D11/36

Abstract: A method of manufacturing a tin-plated steel sheet includes forming an Sn-containing plating layer on at least one surface of a steel sheet so that the mass per unit area of Sn is 0.05 to 20 g/m2; forming a first chemical conversion coating by immersing the steel sheet in a first chemical conversion solution containing tetravalent tin ions and phosphate ions or cathodically electrolyzing the steel sheet in the first chemical conversion solution; forming a second chemical conversion coating after forming the first chemical conversion coating without drying the steel sheet by immersing the steel sheet in a second chemical conversion solution containing 5 to 200 g/L of aluminum phosphate monobasic and having a pH of 1.5 to 2.4 or cathodically electrolyzing the steel sheet in the second chemical conversion solution; and drying the steel sheet.

Abstract translation: 制造镀锡钢板的方法包括在钢板的至少一个表面上形成含Sn镀层，使得每单位面积Sn的质量为0.05〜20g / m 2; 通过将钢板浸入含有四价锡离子和磷酸根离子的第一化学转化溶液中或者在第一化学转化溶液中阴极电解钢板，形成第一化学转化膜; 在形成第一化学转化膜之后，通过将钢板浸渍在含有5〜200g / L磷酸二氢铝酸盐并具有1.5〜2.4的pH或第二化学转化处理溶液中而形成第一化学转化膜的第二化学转化膜 在第二化学转化溶液中电解钢板; 并干燥钢板。

公开(公告)号：US20170204521A1

公开(公告)日：2017-07-20

申请号：US15475393

申请日：2017-03-31

Applicant: JFE STEEL CORPORATION

Inventor： Yuka Miyamoto ,  Takeshi Suzuki ,  Hiroki Iwasa ,  Norihlko Nakamura ,  Masao Inose ,  Hisato Noro ,  Yoichi Tobiyama

IPC: C23C28/02 ,  C25D3/12 ,  C25D3/20 ,  C25D3/38 ,  C21D8/02 ,  C25D5/36 ,  C25F1/00 ,  C23G1/08 ,  C23C22/50 ,  C21D9/46 ,  C25D3/54 ,  C25D3/22

CPC classification number: C23C28/021 ,  C21D8/0221 ,  C21D8/0278 ,  C21D9/46 ,  C23C22/50 ,  C23G1/081 ,  C25D3/02 ,  C25D3/12 ,  C25D3/20 ,  C25D3/22 ,  C25D3/30 ,  C25D3/38 ,  C25D3/54 ,  C25D5/10 ,  C25D5/12 ,  C25D5/36 ,  C25D5/50 ,  C25D5/505 ,  C25D7/00 ,  C25D9/08 ,  C25D9/10 ,  C25F1/00 ,  Y10T428/12569 ,  Y10T428/12806

Abstract: A coated steel sheet includes a corrosion-resistant coating composed of at least one layer selected from the group consisting of a Ni layer, a Sn layer, an Fe—Ni alloy layer, an Fe—Sn alloy layer, and an Fe—Ni—Sn alloy layer disposed on at least one surface of a steel sheet, and an adhesive coating disposed on the corrosion-resistant coating, the adhesive coating containing Zr and further containing at least one metal element selected from the group consisting of Co, Fe, Ni, V, Cu, Mn, and Zn, in total, at a ratio by mass of 0.01 to 10 with respect to Zr. The coated steel sheet has excellent humid resin adhesion and corrosion resistance, in which streaky surface defects do not occur.

公开(公告)号：US09441310B2

公开(公告)日：2016-09-13

申请号：US14132090

申请日：2013-12-18

Applicant: JFE Steel Corporation

Inventor： Takeshi Suzuki ,  Norihiko Nakamura ,  Hiroki Iwasa

IPC: C25D5/10 ,  C23C2/08 ,  C23C2/26 ,  C23C2/28 ,  C23C22/08 ,  C23C22/20 ,  C23C22/73 ,  C23C28/00 ,  C25D3/30 ,  C25D5/48 ,  C25D11/36

CPC classification number: C25D5/10 ,  C23C2/08 ,  C23C2/26 ,  C23C2/28 ,  C23C22/08 ,  C23C22/20 ,  C23C22/73 ,  C23C28/321 ,  C23C28/322 ,  C23C28/34 ,  C25D3/30 ,  C25D5/48 ,  C25D11/36

Abstract: A method of manufacturing a tin-plated steel sheet includes forming an Sn-containing plating layer on at least one surface of a steel sheet so that the mass per unit area of Sn is 0.05 to 20 g/m2; forming a first chemical conversion coating by immersing the steel sheet in a first chemical conversion solution containing tetravalent tin ions and phosphate ions or cathodically electrolyzing the steel sheet in the first chemical conversion solution; forming a second chemical conversion coating after forming the first chemical conversion coating without drying the steel sheet by immersing the steel sheet in a second chemical conversion solution containing 5 to 200 g/L of aluminum phosphate monobasic and having a pH of 1.5 to 2.4 or cathodically electrolyzing the steel sheet in the second chemical conversion solution; and drying the steel sheet.

Abstract translation: 制造镀锡钢板的方法包括在钢板的至少一个表面上形成含Sn镀层，使得每单位面积Sn的质量为0.05〜20g / m 2; 通过将钢板浸入含有四价锡离子和磷酸根离子的第一化学转化溶液中或者在第一化学转化溶液中阴极电解钢板，形成第一化学转化膜; 在形成第一化学转化膜之后，通过将钢板浸渍在含有5〜200g / L磷酸二氢铝酸盐并具有1.5〜2.4的pH或第二化学转化处理溶液中而形成第一化学转化膜的第二化学转化膜 在第二化学转化溶液中电解钢板; 并干燥钢板。

公开(公告)号：US20150107326A1

公开(公告)日：2015-04-23

申请号：US14579148

申请日：2014-12-22

Applicant: JFE Steel Corporation ,  Nippon Quaker Chemical, Ltd.

Inventor： Yasuhide Oshima ,  Masaki Tada ,  Hiroki Iwasa ,  Katsumi Kojima ,  Junichi Kitagawa ,  Yoshihiko Yasue ,  Toshikazu Ikeda ,  Tomohiro Kanokogi ,  Takeyoshi Fukuda

IPC: B21D22/20

CPC classification number: B21D22/201 ,  B21D22/208 ,  C09K5/10 ,  C10M173/02 ,  C10M2201/062 ,  C10M2207/125 ,  C10M2215/042 ,  C10N2220/142 ,  C10N2230/12 ,  C10N2230/62 ,  C10N2240/402 ,  C10N2210/01

Abstract: A method of DI forming a laminated metal sheet includes drawing a laminated metal sheet; and redrawing and ironing the drawn laminated metal sheet, wherein a water-based coolant including (a) at least one base selected from the group consisting of alkanolamines and alkali metal hydroxides, (b) a fatty acid, and (c) water is used in the redrawing and ironing, and wherein a total content of the base (a) and the fatty acid (b) is 0.02 to 4% by mass and a ratio of a straight-chain fatty acid having a carbon number of 6 to 12 in the fatty acid (b) is 80 to 100% by mass.

Abstract translation: DI成型层压金属板的方法包括拉制层压金属片; 并且重新拉伸和熨烫所述拉制的层压金属片，其中使用包含（a）至少一种选自链烷醇胺和碱金属氢氧化物，（b）脂肪酸和（c）水）的碱的水基冷却剂 在重洗和熨烫中，其中，碱（a）和脂肪酸（b）的总含量为0.02〜4质量％，碳数为6〜12的直链脂肪酸的比例在 脂肪酸（b）为80〜100质量％。

公开(公告)号：US20150000798A1

公开(公告)日：2015-01-01

申请号：US14487140

申请日：2014-09-16

Applicant: JFE Steel Corporation

Inventor： Takumi Tanaka ,  Katsumi Kojima ,  Makoto Aratani ,  Hiroki Iwasa

IPC: C21D8/00 ,  B22D11/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/00 ,  C22C38/02

CPC classification number: C21D8/005 ,  B22D11/001 ,  B22D11/124 ,  C21D8/0436 ,  C21D8/0442 ,  C21D8/0473 ,  C21D9/48 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

Abstract: A method of manufacturing a high-strength steel sheet includes, on a mass percent basis, 0.03%-0.10% C, 0.01%-0.5% Si, 0.001%-0.100% P, 0.001%-0.020% S, 0.01%-0.10% Al, 0.005%-0.012% N, the balance being Fe and incidental impurities, and microstructures that do not contain a pearlite microstructure, wherein, when Mnf=Mn [% by mass]−1.71×S [% by mass], Mnf is 0.3 to 0.6, including: forming a slab by vertical-bending type continuous casting or bow type continuous casting, wherein surface temperature of a slab corner in a region where the slab undergoes bending deformation or unbending deformation is 800° C. or lower, or 900° C. or higher; forming a steel sheet by hot-rolling the slab followed by cold rolling; annealing the steel sheet after the cold rolling; and skinpass rolling at a draft of 3% or less after the annealing.

Abstract translation: 高强度钢板的制造方法以质量％计含有0.03％-0.10％C，0.01％-0.5％Si，0.001％-0.100％P，0.001％-0.020％S，0.01％-0.10 ％Al，0.005％-0.012％N，余量为Fe和附带杂质，以及不含珠光体组织的微结构，其中，当Mnf = Mn [质量％] -1.71×S [质量％]时，Mnf 为0.3〜0.6，包括：通过垂直弯曲型连续铸造或弓形连续铸造而形成板坯，其中板坯在弯曲变形或非弯曲变形的区域中的表面温度为800℃以下， 或900℃以上; 通过热轧板坯冷轧成形钢板; 冷轧后退火钢板; 退火后以3％以下的通气速度进行表皮轧制。

公开(公告)号：US20140079886A1

公开(公告)日：2014-03-20

申请号：US14086350

申请日：2013-11-21

Applicant: JFE Steel Corporation

Inventor： Takeshi Suzuki ,  Norihiko Nakamura ,  Hiroki Iwasa

IPC: C23C28/00

CPC classification number: C23C28/34 ,  C23C22/20 ,  C23C28/321 ,  C23C28/322 ,  C25D5/36 ,  C25D5/48 ,  C25D5/50 ,  C25D5/505 ,  C25D9/08 ,  C25D11/34 ,  C25D11/36 ,  Y10T428/12722

Abstract: A method of producing a tinned steel sheet that includes forming an Sn-containing plating layer on at least one surface of a steel sheet with a mass per unit area of Sn is 0.05 to 20 g/m2; immersing the steel sheet in a chemical conversion solution containing 60 g/L or more and 200 g/L or less of aluminum phosphate monobasic and which has a pH of 1.5 to 2.4 or cathodically electrolyzing the steel sheet at a current density of 10 A/dm2 or less in the chemical conversion solution; and drying the steel sheet to form a chemical conversion coating.

Abstract translation: 一种包含在每单位面积Sn的质量的钢板的至少一个表面上形成含Sn镀层的镀锡钢板的制造方法为0.05〜20g / m 2; 将钢板浸渍在含有60g / L以上200g / L以下的磷酸铝一磷酸盐的化学转化处理液中，其pH为1.5〜2.4，或以10A / cm 2的电流密度阴极电解钢板， dm2以下; 并干燥钢板以形成化学转化涂层。