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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/2022/138396A1 |
Provided is a steel sheet that has excellent workability while maintaining excellent strength. The steel sheet has a specific component composition and contains 45 to 90% of ferrite, 5 to 30% of martensite, 1 to 25% of bainite, and 3% or...
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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/2022/139400A1 |
The present invention provides an ultra high strength cold rolled steel sheet having excellent spot weldability and formability. The ultra high strength cold rolled steel sheet, according to one embodiment of the present invention, compr...
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WO/2022/139367A1 |
The present invention relates to a plated steel sheet which can be used for automobiles, home appliances, building materials, etc. and a method for manufacturing same and, more particularly, to a zinc alloy plated steel sheet having exce...
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WO/2022/139250A1 |
According to one aspect of the present invention, a high-strength hot-dip galvanized steel sheet having an excellent surface quality and spot weldability, and a manufacturing method therefor may be provided.
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WO/2022/135828A1 |
The present invention relates to a multi-slot gas wiping device for controlling the thickness of a molten metallic coating on a moving metal strip.
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WO/2022/139252A1 |
According to one aspect of the present invention, provided are a high-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and a manufacturing method therefor.
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WO/2022/138395A1 |
Provided is a hot-dip galvanized steel sheet that has both high strength and good workability, while also having superior galvanization quality. The component composition of a base steel sheet is within prescribed ranges, the steel struc...
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WO/2022/139421A1 |
The present disclosure relates to: a black color plated steel sheet having, on the surface, a beautiful pattern with a marble texture obtained by subjecting a plated steel sheet having spangles to a constant humidity heat treatment, wher...
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WO/2022/136684A1 |
The invention relates to a cold roll strip or sheet comprising in (wt%): C 0.12 - 0.20; Mn 1.9 - 2.6; Cr 0.15 - 0.3; Si 0.3 - 0.8; Al 0.8 - 1.2; Mn + Cr 1.8 - 5; Nb ≤ 0.008; Ti ≤ 0.02; Mo ≤ 0.08; Ca ≤ 0.005; V ≤ 0.02; and balan...
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WO/2022/136683A1 |
The invention relates to a cold roll strip or sheet comprising in (wt%) C 0.08 - 0.28; Mn 1.4 - 4.5; Cr 0.01 - 0.5; Si 0.01 - 2.5; Al 0.01 - 0.6; Si + Al ≥ 0.1; Si + Al + Cr ≥ 0.4; Nb ≤ 0.008; Ti ≤ 0.02; Mo ≤ 0.08; Ca ≤ 0.005...
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WO/2022/139369A1 |
In an embodiment of the present invention, disclosed is a member for an automobile structure including a base steel plate and a plating layer covering at least one surface of the base steel plate, the member having the tensile strength o...
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WO/2022/139251A1 |
According to one aspect of the present invention, provided are a high strength zinc-plated steel sheet having excellent uniform spot weldability along the width direction, and a manufacturing method thereof.
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WO/2022/139370A1 |
The present invention relates to a welded structural member having excellent corrosion resistance and crack resistance, and a method for manufacturing same.
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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/2022/139294A1 |
Disclosed is a method for manufacturing a plated steel sheet for an exterior panel. The disclosed method for manufacturing the plated steel sheet comprises the steps of: preparing a plated steel sheet; cutting the plated steel sheet by a...
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WO/2022/139390A1 |
The present invention relates to a high-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability and a method for manufacturing same. The hot-dipped galvanized steel sheet according to one aspect o...
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WO/2022/129989A1 |
The invention relates to a method for the manufacture of a steel sheet, in a device comprising a pre-heating section, a heating section having a maximal heating rate and a soaking section comprising a calibrating step, a recrystallizatio...
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WO/2022/130124A1 |
The invention relates to a method for the manufacture of a steel sheet, in a device comprising a pre-heating section, a heating section having a maximal heating rate and a soaking section comprising a calibrating step, a recrystallizatio...
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WO/2022/131848A1 |
Disclosed is a plated steel for hot press forming having improved hydrogen delayed fracture properties. The disclosed plated steel comprises: a base steel sheet; and a plating layer that is formed on the surface of the base steel sheet a...
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WO/2022/131673A1 |
An embodiment of the present invention provides a high strength hot-dip galvanized steel sheet having excellent plating adhesion and weldability and a method of manufacturing same, wherein: the steel sheet comprises a base steel sheet an...
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WO/2022/129994A1 |
The invention deals with a coated steel sheet and press hardened steel part having a composition comprising, by weight percent: C 0.15-0.25%, Mn 0.5-1.8%, Si 0.1-1.25%, Al 0.01 -0.1%, Cr 0.1 -1.0%, Ti 0.01 -0.1%, B 0.001 -0.004%, P ≤ 0...
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WO/2022/131680A1 |
The present invention relates to a composite steel sheet having excellent adhesiveness, and a manufacturing method therefor, and, more particularly, to a light composite steel sheet obtained by forming microstructures on the surface and ...
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WO/2022/131635A1 |
The present invention relates to a plated, ultra-low carbon steel sheet which has excellent strength, formability, and surface properties to allow for the weight lightness of automobiles and a manufacturing method therefor and, more spec...
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WO/2022/129991A1 |
The invention relates to a tin coated steel sheet for manufacturing a drawn can having : - a thickness inferior to 0.7 mm, - a yield strength inferior to 400 MPa, - an average aspect ratio below 1.5, - a strain hardening coefficient belo...
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WO/2022/129995A1 |
The invention deals with a coated steel sheet and press hardened steel part having a composition comprising, by weight percent: C 0.26-0.40%, Mn 0.5-1.8%, Si 0.1-1.25%, Al 0.01 -0.1%, Cr 0.1 -1.0%, Ti 0.01 -0.1%, B 0.001 -0.004%, P ≤ 0...
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WO/2022/131692A1 |
The objective of the present invention is to provide a composite plated steel sheet, which has excellent post-formation corrosion resistance by preventing the spread of cracks in a resin layer even if cracks occur in the plated layer of ...
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WO/2022/131866A1 |
Disclosed are: a composition for surface treatment capable of imparting, to a steel sheet, plate corrosion resistance, corrosion resistance of processed parts, pit corrosion resistance, blackening resistance, pipe forming oil infiltratio...
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WO/2022/130101A1 |
The invention deals with a coated steel sheet and press hardened steel part having a composition comprising, by weight percent: C 0.26-0.40%, Mn 0.5-1.8%, Si 0.1 - 1.25%, Al 0.01 -0.1%, Cr 0.1 -1.0%, Ti 0.01 -0.1%, B 0.001 -0.004%, P ≤...
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WO/2022/131862A1 |
An embodiment of the present invention provides a method for manufacturing a tailor welded blank using a steel sheet for hot pressing having an Al-Fe-based intermetallic alloy layer, the method comprising the steps of: preparing a plated...
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WO/2022/131802A1 |
The present disclosure relates to: a cold rolled steel sheet including 0.0005-0.2 wt% of C, 0.05-0.2 wt% of Mn, at most 0.15% (excluding 0) of Si, at most 0.03% (excluding 0) of P, at most 0.015% (excluding 0) of S, 0.01-0.05% of Al, 0.0...
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WO/2022/131671A1 |
One embodiment of the present invention provides a high-strength hot-dip galvanized steel sheet having excellent coatability and a manufacturing method therefor, the hot-dip galvanized steel sheet having a base steel sheet and a hot-dip ...
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WO/2022/130102A1 |
The invention deals with a coated steel sheet and press hardened steel part having a composition comprising, by weight percent: C 0.15-0.25%, Mn 0.5-1.8%, Si 0.1 - 1.25%, Al 0.01 -0.1%, Cr 0.1 -1.0%, Ti 0.01 -0.1%, B 0.001 -0.004%, P ≤...
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WO/2022/131779A1 |
The present invention relates to an aluminum coated steel sheet having excellent anti-corrosion properties and weldability, and a manufacturing method thereof. The aluminum coated steel sheet according to one aspect of the present invent...
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WO/2022/131641A1 |
Provided are plated steel sheets for hot press forming, hot press formed parts, and manufacturing methods thereof, the plated steel sheets comprising: a base steel sheet containing, in weight%, C: 0.07-0.5%, Si: 0.05-1%, Mn: 0.5-5%, P: 0...
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WO/2022/131863A1 |
The present invention relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and spot weldability, and a manufacturing method therefor. A hot-dip galvanized steel sheet according to one aspect of the p...
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WO/2022/130131A1 |
The invention relates to a tin coated steel sheet for manufacturing a drawn can having : - a thickness inferior to 0.7 mm, - a yield strength inferior to 400 MPa, - an average grain aspect ratio below 1.5, - a strain hardening coefficien...
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WO/2022/124826A1 |
The present invention relates to: a high-strength hot-dip galvanized steel sheet with excellent plating quality; a steel sheet for plating, for manufacturing same; and manufacturing methods therefor. In a steel sheet for plating, accordi...
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WO/2022/124811A1 |
According to one aspect of the present invention, it is possible to provide: a plated steel sheet having excellent surface quality, as well as having excellent formability while also having high strength characteristics; and a method for...
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WO/2022/124812A1 |
According to an aspect of the present invention, a galvannealed steel sheet having high strength properties and excellent powdering resistance and a manufacturing method therefor may be provided.
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WO/2022/124825A1 |
The present invention relates to a high-strength hot-dip galvanized steel sheet having excellent plating quality, a steel sheet for plating for manufacturing same, and methods for manufacturing the steel sheets. The steel sheet for plati...
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WO/2022/124609A1 |
Provided is a high-strength hot-dip galvanized steel sheet with high ductility and excellent formability. The hot-dip galvanized steel sheet of the present invention comprises, in weight%, carbon (C): 0.06-0.16%, silicon (Si): 0.8% or le...
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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/2022/108219A1 |
The present invention relates to a plated steel sheet and a manufacturing method therefor, and, more specifically, to a zinc-based plated steel sheet and a manufacturing method therefor, the zinc-based plated steel sheet having high stre...
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WO/2022/108220A1 |
A hot-rolled steel sheet according to one aspect of the present invention comprises, by wt%, 0.1-0.25% of carbon (C), 0.2-2.0% of manganese (Mn), 0.3% or less of silicon (Si), 0.05% or less of aluminum (Al), 0.05% or less of phosphorus (...
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WO/2022/101667A1 |
The invention relates to a method for manufacturing a steel sheet provided with a coating comprising from 0.80 to 1.40wt.% of Al, from 0.80 to 1.40wt.% of Mg, unavoidable impurities and optionally one or more additional elements selected...
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WO/2022/103024A1 |
Provided are a high-strength hot-dip galvanized steel sheet with excellent formability and a process for producing same. The high-strength hot-dip galvanized steel sheet comprises, in mass%: 0.005-0.009% of C; 0.05% or less of Si; 0.3-0....
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