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WO/2022/149511A1 |
The technique of the present disclosure is for suppressing liquid metal embrittlement (LME) cracking and improving corrosion resistance of a welded joint that is produced by spot-welding a first steel plate and a second steel plate toget...
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WO/2022/149505A1 |
The present disclosure suppresses cracking caused by liquid-metal embrittlement (LME) in a welded joint obtained by spot-welding a first steel sheet and a second steel sheet to one another. A welded joint according to the present disclos...
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WO/2022/149507A1 |
The technology of the present disclosure suppresses cracking from liquid metal embrittlement (LME) at a welding joint where a first steel sheet and a second steel sheet have been spot welded, and improves corrosion resistance. In the wel...
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WO/2022/136689A1 |
A zinc or zinc-alloy coated rolled steel strip or sheet comprising of (in wt. %) 0.08 - 0.28 C, 1.4 - 4.5 Mn, 0.01 - 0.5 Cr, 0.01 - 2.5 Si, 0.01 – 2.0 Al. The steel having a tensile strength of 950 – 1550 MPa, a yield strength of 350...
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WO/2022/136686A1 |
A zinc or zinc-alloy coated rolled steel strip or sheet comprising of 0.08 - 0.28 C, 1.4 - 4.5 Mn, 0.01 - 0.5 Cr, 0.01 - 2.5 Si, 0.01 – 2.0 Al. The steel having tensile strength of 950 – 1550 MPa, yield strength of 350-1400 MPa, yiel...
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WO/2022/107580A1 |
Provided is a plated steel sheet for spot welding use, which comprises: a base steel sheet which has a steel composition containing, in % by mass, 0.05 to 0.70% of C, 3.50% or less of Si, 8.00% or less of Mn, 0.020% or less of P, 0.050% ...
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WO/2022/107837A1 |
This plated steel material has a steel material and a plating layer provided on a surface of the steel material, and is characterized in that the plating layer has a prescribed average chemical composition, when the Mg content is express...
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WO/2022/102710A1 |
This surface-treated metal sheet comprises: a steel sheet; a plating layer that is formed on the steel sheet and contains zinc; and a coating film that is formed on the plating layer. With respect to this surface-treated metal sheet, the...
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WO/2022/097737A1 |
Provided is a steel sheet that exhibits superior anti–resistance welding cracking characteristics in a welded part. A galvannealed steel sheet according to the present invention comprises: a Si-containing cold-rolled steel sheet contai...
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WO/2022/097733A1 |
Provided is a zinc alloy-plated steel sheet that exhibits excellent resistance to cracking in resistance welding in a weld, even in a case where, at an interface between an Fe-based electroplating layer and a cold rolled steel sheet, cry...
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WO/2022/091849A1 |
The purpose of the present invention is to provide a hot-dip Al-Zn-Si-Mg-plated steel sheet having stably superior corrosion resistance. In order to achieve said purpose, the present invention is a hot-dip Al-Zn-Si-Mg-plated steel shee...
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WO/2022/091850A1 |
The purpose of the present invention is to provide a hot dipped Al-Zn-Si-Mg coated steel sheet which stably exhibits excellent corrosion resistance. In order to achieve the above-described purpose, the present invention provides a hot ...
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WO/2022/091351A1 |
A Zn-plated hot-stamped molded article according to the present invention comprises a steel material, a Zn-based plating layer, and an oxide layer. An upper layer, which is a surface side region of the Zn-based plating layer, has a two-p...
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WO/2022/091851A1 |
The purpose of the present invention is to provide a hot dipped Al-Zn-Si-Mg-Sr coated steel sheet which stably exhibits excellent corrosion resistance, while having good surface appearance. In order to achieve the above-described purpo...
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WO/2022/090770A1 |
The present invention relates to a coated cast iron substrate comprising a coating comprising nanographites and a binder being sodium silicate, wherein the cast iron substrate has a composition, in weight percent, comprising from 2.0 to ...
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WO/2022/091529A1 |
Provided are a hot-pressed member, a steel sheet for hot-pressing, and methods for producing the hot-pressed member and the steel sheet. A hot-pressed member according to the present invention comprises: a solid solution phase in which Z...
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WO/2022/085287A1 |
This plated steel sheet comprises a steel sheet and a plating layer that is formed on at least a part of the surface of the steel sheet. The chemical composition of the plating layer contains, in mass%, from 6.00% to 35.00% of Al, from 3...
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WO/2022/085721A1 |
This Zn-based plated steel sheet is provided with: a steel sheet; a Zn-based plating layer that is provided to at least one surface of the steel sheet and that contains 0.05-60 mass% of Al and Zn; and a chromate-free chemical conversion ...
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WO/2022/085386A1 |
This plated steel material comprises a steel material and a plating layer which includes a Zn-Al-Mg alloy layer arranged on the surface of the steel material, wherein the plating layer has a prescribed chemical composition. On the surfac...
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WO/2022/085434A1 |
[Problem] To more reliably suppress the generation of coating film blistering even when drawing is carried out. [Solution] A plated steel sheet for precoated steel sheet according to the present invention has a steel sheet and, disposed ...
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WO/2022/080004A1 |
This hot-dip Zn plated steel sheet includes a steel sheet and a plating layer formed on at least a portion of the surface of the steel sheet. The plating layer has a chemical composition containing, in mass%, 6.00-35.00% of Al, 2.00-12.0...
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WO/2022/079987A1 |
Provided are: a high-strength cold-rolled steel plate which has a tensile strength (TS) of 980 MPa or more, while having excellent ductility, stretch-flangeability, and bendability; and a method for manufacturing the high-strength cold-r...
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WO/2022/079988A1 |
Provided are: a high-strength cold rolled steel sheet that has a tensile strength (TS) of 1080 MPa or more and that has excellent ductility, stretch flange formability, and bendability; and a method for manufacturing said steel sheet. ...
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WO/2022/079970A1 |
This hot-dip galvanized steel sheet comprises a steel sheet, a boundary layer disposed on the steel sheet, and a hot-dip galvanized layer disposed on the boundary layer, said steel sheet having a predetermined chemical composition, where...
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WO/2021/039971A9 |
This hot-stamped article comprises a steel base material, a plating layer that is formed on the surface of the base material, and a chemical conversion coating that is formed on the surface of the plating layer. The chemical composition ...
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WO/2021/039973A9 |
This hot stamp molded body is provided with a base material, a plating layer formed on the surface of the base material, and an oxide film formed on the surface of the plating layer, wherein: the plating layer has a chemical composition ...
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WO/2022/030333A1 |
The present invention addresses the problem of providing a countermeasure against deposition of an alkali metal in cases where the alkali metal is used as a negative electrode. The above-described problem is solved by a negative electrod...
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WO/2022/019209A1 |
This steel sheet has a specific chemical composition, and the metal structure thereof at 1/4 of the sheet thickness contains, in an area ratio, from 40% to 97% of martensite, 50% or less of ferrite and bainite in total, from 3% to 20% of...
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WO/2021/256906A1 |
Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn-Mg-Al based plated layer provided on at least one surface of the base steel sheet; and an Fe-Al based supp...
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WO/2021/250973A1 |
This hot-dipped Zn–Al–Mg-based plated steel is provided with steel and a plating layer formed on a surface of the steel. The plating layer comprises, in average composition, 1–10% by mass of magnesium and 4–22% by mass of aluminu...
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WO/2021/243398A1 |
A zinc-based alloy comprising 0.1-6 wt% aluminium and 0.1-2 wt% lithium with the remainder being zinc and incidental impurities.
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WO/2021/215421A1 |
According to one embodiment, the hot-dip coated steel sheet comprises a parent material steel sheet and a hot-dip coating layer, the chemical composition of the hot-dip coating layer containing 4.0–22 mass% Al, 1–10 mass% Mg, and 0.0...
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WO/2021/199953A1 |
This hot dip plated steel sheet is characterized by comprising a steel sheet and a hot dip plating layer formed on a surface of the steel sheet, wherein the hot dip plating layer contains, in an average composition, 2-22 mass% Al and 0.1...
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WO/2021/199956A1 |
This hot dipped steel sheet is characterized by comprising a steel sheet and a hot dip layer that is formed on the surface of the steel sheet. This hot dipped steel sheet is also characterized in that: the hot dip layer has an average co...
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WO/2021/192563A1 |
A zinc foil having crystal grains of zinc that have a particle size of 0.2–50 µm. The zinc foil ideally has zinc as the base material therefor and includes a metal element other than zinc. The metal element is ideally at least one typ...
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WO/2021/182465A1 |
This plated steel plate for hot stamping includes a base material and a zinc plating layer formed on the surface of the base material, wherein the zinc plating layer includes an alloyed zinc layer, a solidified zinc layer, and an Al-cont...
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WO/2021/176768A1 |
Provided is a hot-pressed member excelling in coating film adhesion and post-coating corrosion resistance when electrodeposition coating has been implemented after a zirconium-based chemical conversion treatment. The hot-pressed member a...
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WO/2021/172635A1 |
A multi-component alloy according to an embodiment of the present invention comprises Al, Ti, and Zn, and has a tensile strength of 500 MPa to 900 MPa, wherein Al is contained in an amount of 18 at% to 33 at%, Ti in an amount of 18 at% t...
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WO/2021/171517A1 |
Provided is a hot-stamped article comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein: the plating layer has a prescribed chemical composition; the plating layer compri...
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WO/2021/171514A1 |
Provided is a plated steel material comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein the plating layer has a prescribed chemical composition, and the surface structu...
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WO/2021/171515A1 |
Provided is a hot-stamped article comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein: the plating layer has a prescribed chemical composition; the plating layer compri...
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WO/2021/171519A1 |
Provided is a hot-stamped article comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein: the plating layer has a prescribed chemical composition; the plating layer compri...
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WO/2021/165088A1 |
The invention relates to a method for improving the wettability of a surface-finished steel sheet (10), in which a protective coating (2) based on Zn-Al-Mg is applied, wherein a native oxide layer comprising at least ZnO, Al2O3 and MgO i...
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WO/2021/161679A1 |
The purpose of the present invention is to provide: a high-strength steel sheet which has a tensile strength of 1,180 MPa or more and good bending workability, while being insusceptible to the occurrence of liquid metal embrittlement dur...
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WO/2021/153746A1 |
This hot rolled steel sheet has a prescribed chemical composition and has a microcomposition that comprises at least 99% martensite, by volume fraction, with the remaining composition being residual austenite and ferrite. In a cross-sect...
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WO/2021/125636A1 |
The present invention relates to a zinc-based metal-plated steel material having excellent anti-corrosion properties and spot weldability, and more specifically, to a zinc-based metal-plated steel material having excellent anti-corrosion...
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WO/2021/125630A1 |
An embodiment of the present invention provides a hot dip Zn-Al-Mg-based alloy-plated steel material having excellent corrosion resistance of a processed portion, and a method for manufacturing same. The steel material includes an iron s...
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WO/2021/125625A1 |
One embodiment of the present invention provides a hot dip alloy coated steel material having excellent anti-corrosion properties and a method for manufacturing same, the hot dip alloy coated steel material comprising: a base steel plate...
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WO/2021/120334A1 |
A steel plate comprising a zinc-aluminum-magnesium coating and a manufacturing method therefor. The method may comprise: pretreating a cold-rolled steel plate; immersing the pretreated steel plate in a plating solution containing zinc, a...
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WO/2021/112521A1 |
The present invention relates to a steel sheet plated with an Al alloy and a manufacturing method therefor and, more specifically, to a steel sheet plated with an Al alloy which can be preferably applied as a vehicle steel sheet and the ...
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