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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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WO/2023/098126A1 |
The present invention relates to a zinc-aluminum-magnesium alloy coating steel containing V, Ce, La and Mn, and a preparation method therefor, and belongs to the technical field of ferrous metallurgy production. The present invention pro...
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WO/2023/101290A1 |
The present invention relates to: a composition for surface-treating hot-dip galvanized ternary steel sheets, which are used as metallic material and especially as building material, to improve corrosion resistance, anti-blackening prope...
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WO/2023/096299A1 |
The present invention relates to a hot-rolled steel sheet that can be suitably applied to an automobile chassis structure member or the like and, more specifically, to an ultrahigh-strength hot-rolled steel sheet having excellent formabi...
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WO/2023/094856A1 |
The present invention relates to a steel sheet containing manganese from 3.0 to 6.0 % in weight which has both a good coatability by liquid zinc and a good LME resistance. The present invention also aims to make available an easy to impl...
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WO/2023/094909A1 |
The present invention relates to a steel sheet containing manganese from 3.0 to 6.0 % in weight which has both a good coatability by liquid zinc and a good LME resistance. The present invention also aims to make available an easy to impl...
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WO/2023/088625A1 |
The present invention relates to a gas wiping device for controlling the thickness of a coating layer deposited on a running metal strip plated with molten metal (1) in an industrial hot-dip bath, wherein the gas wiping device comprises ...
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WO/2023/090093A1 |
A method for calculating the film thickness of a grain boundary oxide layer according to one embodiment of the present invention calculates the film thickness of a grain boundary oxide layer that remains on a steel sheet after an acid pi...
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WO/2023/088783A1 |
The invention relates to a method for producing a hot-dip-coated steel sheet, wherein a steel substrate, more particularly a cold-rolled steel substrate, is provided, which is coated on one or both sides with a zinc-based coating by mean...
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WO/2023/080632A1 |
The present invention relates to a high-strength steel sheet used for a vehicle structure member and, more specifically, to a high-strength steel sheet having excellent crashworthiness and formability and a method for manufacturing same.
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WO/2023/079454A1 |
Steel sheet suitable for a multistep hot stamping process and associated manufacturing process, said steel sheet having a composition comprising, by weight percent: C : 0.13 - 0.4 %, Mn : 0.4 – 4.2 %, Si : 0.1 – 2.5%, Cr ≤ 2 %, Mo ...
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WO/2023/074088A1 |
The present invention provides a plated steel sheet which has a plating layer on the surface of a steel sheet. With respect to the plating layer, the total amount ΣA of Sn, Bi and In is less than 0.75%; the total amount ΣB of Ca, Y, La...
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WO/2023/073410A1 |
The invention deals with a cold rolled and heat treated steel sheet comprising in weight percent: 0.2 % ≦ C ≦ 0.35 %; 0.5 % ≦ Mn ≦ 1.5 %; 0.1% ≦ Si ≦ 0.6 %; 0% ≦ Al ≦ 0.1 %; 0.01% ≦ Ti ≦ 0.1%; 0.0001% ≦ B ≦ 0.010%...
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WO/2023/073411A1 |
A cold rolled and heat treated steel sheet comprising of the following elements 0.2 % ≦ C ≦ 0.35 %; 0.2 % ≦ Mn ≦ 1.2 %; 0.1% ≦ Si ≦ 0.9 %; 0% ≦ Al ≦ 0.1 %; 0.2% ≦ Cr ≦ 0.8 %; 0.01% ≦ Nb ≦ 0.1%; 0.1% ≦ Ni ≦ 0.9...
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WO/2023/074115A1 |
Provided is a hot-pressed member that has excellent quality appearance and corrosion resistance after coating. A hot-pressed member comprising a steel sheet, a plating layer disposed on at least one surface of the steel sheet and contain...
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WO/2023/074114A1 |
Provided is a hot-pressed member which has excellent corrosion resistance after coating, and particularly excellent corrosion resistance after coating when a zirconium chemical conversion treatment has been applied, and in which microcra...
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WO/2023/073858A1 |
A metal fume reduction device for a snout to be disposed between the exit of a heat treatment furnace and a molten metal plating bath, the device comprising a main pipe section, an introduction pipe section and a return pipe section whic...
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WO/2023/066732A1 |
The invention relates to a method for producing a coated flat steel product, comprising the following steps: producing or providing a steel substrate, optionally degreasing, optionally pickling, applying the anti-corrosion coating of zin...
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WO/2023/063048A1 |
This hot-stamp-molded object comprises a steel material and a plating layer. The chemical composition of the plating layer contains, in mass%, 0-70% of Al, 10-60% of Fe, 0-20% of Si, and a total of 0.00001-0.3% of a C-group element which...
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WO/2023/063450A1 |
The objective of the present invention is to provide a surface treatment composition capable of imparting excellent corrosive resistance, blackening resistance, alkali resistance, and an intrinsic surface color property on a ternary hot ...
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WO/2023/058827A1 |
Disclosed in one embodiment of the present invention is a hot stamping part, comprising: a base steel sheet; and a plating layer disposed on the base steel sheet and containing zinc (Zn), magnesium (Mg), silicon (Si), aluminum (Al), and ...
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WO/2023/055073A1 |
The present invention provides a Zn-Mg-Al plated steel sheet having excellent corrosion resistance and whiteness, and a method for manufacturing same.
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WO/2023/055065A1 |
The present invention provides a Zn-Mg-Al plated steel sheet having excellent corrosion resistance and surface appearance and a method for manufacturing same.
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WO/2023/054705A1 |
The present invention provides a high-strength plated steel sheet excellent in LME resistance. This plated steel sheet has a Zn-containing plating layer on a steel sheet. The steel sheet has a tensile strength of 780 MPa or higher; the...
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WO/2023/055070A1 |
The present invention provides a Zn-Mg-Al-based plated steel sheet excellent in corrosion resistance and excellent in at least one of weldability and phosphatability, and a manufacturing method therefor.
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WO/2023/052814A1 |
A cold rolled and heat treated steel sheet having a composition comprising of the following elements, 0.05%≤Carbon≤0.12%, 1.0%≤Manganese≤2%, 0.01 %≤Silicon≤0.5%, 0.01 %≤Aluminum≤0.1 %, 0.01 %≤Niobium≤0.1 %, 0%≤Phosp...
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WO/2023/055028A1 |
The present invention provides a Zn-Mg-Al plated steel sheet having excellent corrosion resistance and bendability, and a method for manufacturing same.
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WO/2023/054717A1 |
Provided is a steel welded member that has a high resistance to LME of a spot welded section. In this steel welded member, a plurality of Zn-plated steel materials each having a Zn-based plating layer on the surface of a steel material...
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WO/2023/041953A1 |
The invention deals with a press hardened steel part having a composition comprising, by weight percent: C 0.2 - 0.34 %, Mn 0.50 – 1.24 %, Si 0.5 – 2 %, P ≤ 0.020 %, S ≤ 0.010 %, N ≤ 0.010 %, and comprising optionally one or mo...
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WO/2023/042018A1 |
The invention deals with a press hardened steel part having a composition comprising, by weight percent: C 0.2 - 0.34 %, Mn 0.50 – 1.24 %, Si 0.5 – 2 %, P ≤ 0.020 %, S ≤ 0.010 %, N ≤ 0.010 %, and comprising optionally one or mo...
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WO/2023/037396A1 |
A hot-dip galvanized steel material according to an embodiment of the present invention comprises a base steel material and a hot-dip plating layer on the surface of the base steel material, wherein the chemical composition of the hot-di...
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WO/2023/036912A1 |
The invention relates to a process for the high-temperature galvanization of ferrous material parts (10). The process comprises generating a zinc melt (12). The process further comprises saturating the iron concentration of the zinc melt...
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WO/2023/037881A1 |
Provided is a molten metal-plated steel strip production method which suppresses the occurrence of a splash defect. This molten metal-plated steel strip production method is for continuously producing a molten metal-plated steel strip ...
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WO/2023/036889A1 |
The present invention relates to a method for the cleaning and/or anti-corrosion pretreatment of a plurality of components in series, in which the components of the series are at least partially composed of zinc-coated (ZM) steel. After ...
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WO/2023/028088A2 |
A copper treatment additive and methods are provided for applying copper to base metal effectively and efficiently while requiring a reduced frequency of replacing a treatment bath of copper sulfate solution. The copper treatment additiv...
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WO/2023/025635A1 |
The invention relates to a cold-rolled flat steel product having a tensile strength Rm of at least 780 MPa, a yield point RP0.2 of at least 440 MPa and not more than 600 MPa and an elongation at break A80 of at least 18%, and to a method...
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