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WO/2023/176100A1 |
The present invention provides a hot-pressed member which has excellent corrosion resistance after coating and excellent corrosion resistance in a joined part. This hot-pressed member comprises a steel material, an Al-Fe intermetallic co...
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WO/2023/176939A1 |
[Problem] To realize light weight, small size, and sufficient analysis accuracy. [Solution] This laser emission spectrophotometry optical device includes: a housing unit including a laser oscillator that oscillates laser light, one conde...
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WO/2023/171143A1 |
The purpose of the present invention is to effectively inhibit the occurrence of delayed fracture at a shear end surface of a member in which there is a concern regarding occurrence of delayed fracture in a press-molded article obtained ...
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WO/2023/167434A1 |
The present invention relates to a steel wire and spring with excellent antibacterial properties and corrosion resistance and a method for manufacturing same. The steel wire with excellent antibacterial properties and corrosion resistanc...
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WO/2023/166858A1 |
Provided is a hot-dip Al-Zn plated steel sheet that has excellent corrosion resistance in a stable manner with certainty. The hot-dip Al-Zn plated steel sheet according to the present invention comprises a plating film and is character...
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WO/2023/165510A1 |
Disclosed in the present invention is a cold rolled steel plate for a galvanized steel plate, containing Fe and inevitable impurities, and also containing the following chemical elements, in mass percent: 0.18-0.25% of C, 1.5-2.0% of Si,...
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WO/2023/166772A1 |
This surface-treated steel sheet comprises: a base material steel sheet; a plating layer that is formed on the base material steel sheet and that contains 50 mass% or more of Zn and 0.3 mass% or more of Mg; and a chemical conversion coat...
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WO/2023/162205A1 |
The present invention provides: a steel sheet which has excellent material uniformity and high strength; a member; a method for producing this steel sheet; and a method for producing this member. The present invention provides a steel ...
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WO/2023/163075A1 |
This plated steel material has a steel material and a plating layer; the plating layer has an average chemical composition that is composed of not less than 0.2% but less than 4.0% of Al, more than 4.0% but less than 12.5% of Mg, not les...
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WO/2023/162573A1 |
This galvanized steel sheet comprises a base steel sheet having a specified chemical composition, an Fe-Al alloy layer formed on at least a portion of the base steel sheet, and a zinc plating layer formed on the surface of the base steel...
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WO/2023/157974A1 |
The present invention is a hot-dip plated steel material having a plating layer on the surface of a steel material, the plating layer comprising over 22.5% and up to 50.0% of Al, over 3.0% and up to 15.0% of Mg, 0.03-0.6% of Ca, 0.03-1.0...
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WO/2023/155868A1 |
Disclosed in the present invention are a high-strength steel composite galvanized sheet resistant to LME cracking during spot welding, and a preparation method therefor. The high-strength steel composite galvanized sheet comprises a high...
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WO/2023/157973A1 |
A hot dipped steel sheet wherein a plating layer comprises Al in an amount of greater than 30.0% but not more than 50.0%, Mg in an amount of greater than 5.0% but not more than 15.0%, Si in an amount of greater than 0.5% but not more tha...
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WO/2023/153099A1 |
The present invention provides a steel sheet for hot pressing, the steel sheet being prevented from the generation of scales due to a coating layer and being reduced in adhesion of a metal to heating facilities, thereby preventing liquid...
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WO/2023/149586A1 |
The present invention relates to a plated steel sheet for hot press forming, having excellent surface properties, and a method for manufacturing same, and more specifically relates to a plated steel sheet for hot press forming, which has...
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WO/2023/148191A1 |
The invention relates to a galvanising plant (10) for galvanising items, in particular to a hot-dip galvanising plant, comprising: a galvanising tank (12) for providing a molten bath (14); a dryer (16), in particular a flux dryer, having...
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WO/2023/148087A1 |
The invention relates to a method of manufacturing a low-carbon steel strip having improved formability, the method comprising the steps of: providing a hot-rolled steel strip of a low- carbon steel composition comprising up to about 0.0...
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WO/2023/145824A1 |
[Problem] To further improve corrosion resistance in the vicinity of the toe of a weld. [Solution] A welded joint of the present invention has a first steel plate and a second steel plate, and a weld bead portion formed by arc welding or...
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WO/2023/145025A1 |
Disclosed is an alloyed hot-dip galvanized steel sheet which has excellent appearance and has excellent moldability when press-molded. This alloyed hot-dip galvanized steel sheet comprises a base material steel plate having a prescribed ...
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WO/2023/145823A1 |
[Problem] To further improve electrodeposition coatability at a weld bead part. [Solution] A welded joint according to the present invention has a first steel plate, a second steel plate, and a weld bead part formed by means of arc weldi...
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WO/2023/145822A1 |
[Problem] To more reliably suppress LME and blow hole formation, while maintaining superior corrosion resistance. [Solution] A plated steel sheet according to the present invention has a steel sheet that serves as a base material, a plat...
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WO/2023/143965A1 |
A snout (1) comprising a cleaning device (3) with a first dam (4) located on the front side (21) of the strip and a second dam (5) located on the back side (22) of the strip, wherein a top (51) of said second dam (5) is higher than a top...
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WO/2023/139923A1 |
Provided are a projection-welded joint and a projection welding method. The present invention is a welded joint formed by subjecting a high-strength plated steel sheet and a nut to projection welding, wherein the amount of solid solution...
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WO/2023/139752A1 |
A steel sheet according to one aspect of the present invention comprises specified chemical components, in which a metal structure in a part corresponding to a depth of 1/4 of the thickness of the steel sheet comprises, in percentage by ...
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WO/2023/135981A1 |
This hot stamp molded article comprises a base steel material and a plating layer that is formed on the surface of the base steel material; the plating layer has a chemical composition that contains, in mass%, 0.000010% to 3.0% of Sc, mo...
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WO/2023/135982A1 |
This plated steel sheet is provided with a steel substrate, a plating layer formed on the surface of this steel substrate, and an oxidized film formed on the surface of this plating layer. The chemical composition of the plating layer in...
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WO/2023/135932A1 |
Provided is a steel sheet for hot pressing with which it is possible to lower the amount of diffusible hydrogen introduced in a hot pressing step without controlling the atmospheric dew point and which can yield a hot-pressed member havi...
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WO/2023/136665A1 |
The present invention relates to: a current collector comprising an adhesion-reinforcing layer capable of providing a positive electrode having excellent adhesion and low interfacial resistance; a positive electrode comprising same; and ...
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WO/2023/135962A1 |
Provided is a hot-dip galvanized steel sheet, in which a base steel sheet has a specified chemical composition, a steel structure contains, in % by volume, 0 to 50% of ferrite, 1% or more of tempered martensite, 5% or more of retained au...
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WO/2023/134904A1 |
The invention relates to a device (10) for stabilizing the run of a metal strip (4) exiting a nozzle construction (6), in particular in a galvanizing system or a coating system, comprising: a stabilization module (8) with a plurality of ...
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WO/2023/132327A1 |
The present invention provides a hot dipped Al-Zn-Si-Mg coated steel sheet which stably has excellent corrosion resistance. In order to achieve the above-described purpose, the present invention provides a hot dipped Al-Zn-Si-Mg coated...
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WO/2023/132244A1 |
Provided is a welded joint comprising stacked multiple steel plates, a spot-welded section having a nugget for joining the multiple steel plates together as well as a press-contact portion and a heat-affected zone which are formed around...
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WO/2023/132241A1 |
Provided is a welded joint characterized by comprising a plurality of stacked steel sheets, nuggets joining the plurality of steel sheets, and a spot welded section having pressure welded sections and heat affected sections formed around...
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WO/2023/132240A1 |
Provided is a plated steel sheet characterized by comprising a base material steel sheet and a plating layer formed on a surface of the base material steel sheet, wherein the plating layer has a prescribed chemical composition, and if th...
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WO/2023/132237A1 |
The present invention provides a plated steel sheet which is provided with a base steel sheet and a plating layer that is formed on the surface of the base steel sheet, and which is characterized in that: the plating layer has a specific...
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WO/2023/121175A1 |
The present invention relates to a solution composition capable of improving pitting corrosion resistance and blackening resistance of a steel sheet, a steel sheet surface-treated using same, and a method for manufacturing the steel sheet.
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WO/2023/121194A1 |
A cold-rolled steel sheet having improved strength and elongation, according to one embodiment of the present invention, comprises, in weight%: 0.04-0.08% of C; 0.05% or less (excluding 0%) of Si; 0.1-0.6% of Mn; 0.02-0.06% of Al; 0.015%...
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WO/2023/120835A1 |
Disclosed is a coating method comprising the steps of: (a) modifying the surface of a polymer substrate through plasma treatment; (b) forming oxygen radicals by decomposing O-O bonds of hydroperoxide functional groups formed on at least ...
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WO/2023/118350A1 |
The invention relates to a high strength steel strip or sheet excellent in ductility and bendability. The invention also relates to a method for producing such steel strip or sheet.
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WO/2023/121241A1 |
The present invention relates to: a plated steel sheet for hot press forming, having excellent plating adhesion and corrosion resistance after hot press forming; a preparation method for the plated steel sheet; and a hot pressed forming ...
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WO/2023/116981A1 |
The aim of the invention is to provide a treatment system for treating workpieces, in particular for cleaning and/or coating vehicle bodies, said system being simply constructed and efficiently usable. This is achieved in that the treatm...
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WO/2023/110810A1 |
The invention relates to a steel-based metal wire for reinforcing rubber items selected from among vehicle tyres, tracks and conveyor belts which is obtained by means of a method comprising at least one step of producing a steel wire, re...
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WO/2023/113099A1 |
Disclosed in an embodiment of the present invention is a hot-stamped part comprising: a base steel sheet; and a plating layer provided on the base steel sheet and including zinc (Zn), magnesium (Mg), silicon (Si), aluminum (Al), strontiu...
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WO/2023/113558A1 |
A cold-rolled steel sheet, according to one embodiment of the present invention, may comprise in percentage by weight: carbon (C): 0.010-0.025%; manganese (Mn): 0.10-0.25%; sulfur (S): 0.002-0.011%; boron (B): 0.0006-0.0026%; nitrogen (N...
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WO/2023/105910A1 |
The purpose of the present invention is to provide a gas wiping nozzle whereby a molten metal splash can be easily removed and a beautiful steel plate devoid of linear mark defects can also be obtained, and a method for manufacturing a h...
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WO/2023/106791A1 |
The present invention pertains to a cold rolled steel sheet and a method for manufacturing same. One aspect of the present invention provides: a cold rolled steel sheet having excellent weldability, strength, and formability; and a metho...
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WO/2023/106411A1 |
Provided is a steel sheet having a small sheet thickness, the steel sheet having both adequate strength and plating properties or chemical convertibility, and also provided is a plated steel sheet having a plating layer on the steel shee...
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WO/2023/098125A1 |
The present invention relates to the technical field of ferrous metallurgy production, and to a zinc-aluminum-magnesium alloy coated steel containing V and B and a preparation method therefor. The present invention provides the zinc-alum...
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WO/2023/100349A1 |
Provided is a zinc-based plated steel sheet comprising: a steel sheet; a Zn-based plating layer that is disposed on at least one surface of the steel sheet and that contains Al and Zn; and at least one chromate-free chemical conversion t...
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WO/2023/101291A1 |
The present invention relates to a composition for surface treatment to improve the corrosion resistance, environmental stability, and the like of a metal material, in particular, a hot-dip galvanized steel sheet used for construction ma...
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