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WO/2022/139190A1 |
The present invention relates to an ultra-high-strength steel sheet and a manufacturing method therefor, and, more specifically, to: a steel sheet having excellent thermal stability to have a high yield ratio and ultra-high strength even...
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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/2022/139309A1 |
A steel sheet with excellent processability according to an embodiment of the present invention comprises, by weight%, 0.012 to 0.060% of C; 0.03% or less (exclusive of 0%) of Si; 0.1 to 0.4% of Mn; 0.015 to 0.050% of Al; 0.015% or less ...
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WO/2022/139359A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises: 3.3 to 4.0 weight% of Si; 0.4 to 1.5 weight% of Al; 0.2 to 1.0 weight% of Mn; 0.0015 to 0.0040 weight% of C; 0.0005 to 0.0020 weight% o...
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WO/2022/139278A1 |
Provided are a QT heat treated high carbon hot rolled steel sheet, a high carbon cold rolled steel sheet, a QT heat treated high carbon cold rolled steel sheet, and manufacturing methods thereof, wherein the QT heat treated high carbon h...
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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/2022/139313A1 |
A steel sheet for porcelain enamel according to an embodiment of the present invention comprises 0.0005 to 0.0030 wt% of C, 0.15 to 0.55 wt% of Mn, 0.001 to 0.03 wt% of S, 0.0001 to 0.002 wt% of Al, 0.001 to 0.020 wt% of P, 0.001 to 0.03...
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WO/2022/139314A1 |
The present invention can provide a non-oriented electrical steel sheet which comprises 2.10 to 3.80 wt% of Si, 0.001 to 0.600 wt% of Mn, 0.001 to 0.600 wt% of Al, 0.001 to 0.100 wt% of P, 0.0005 to 0.0100 wt% of C, 0.001 to 0.010 wt% of...
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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/2022/136686A1 |
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/2022/139214A1 |
Disclosed is a martensitic stainless steel with improved strength and corrosion resistance. The disclosed martensitic stainless hot-rolled annealed steel sheet comprises, in weight%, C: 0.3-0.5%, N: 0.01-0.025%, Si: 0.3-0.5%, Mn: 0.4-0.6...
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WO/2022/139277A1 |
According to one aspect of the present invention, it is possible to provide: steel which has improved heat treatment properties of spheroidizing annealing while having high hardness characteristics and thus is suitable for a tool; and a ...
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WO/2022/139336A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises: 2.5 to 3.8 wt% of Si; 0.1 to 1.5 wt% of Al; 0.1 to 2.0 wt% of Mn; and 0.01 to 0.15 wt% of Cr, with the balance being Fe and inevitable ...
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WO/2022/131597A1 |
An embodiment of the present invention provides a high strength thin steel material for API having excellent resistance to deformation and a method of manufacturing same, the steel material comprising, in weight%, C: 0.05-0.15%, Si: 0.5%...
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WO/2022/127192A1 |
Disclosed in the present invention is a low-alloy high-strength Q420C steel plate. The steel plate comprises the following chemical components in percentage by mass (wt%): C: 0.16-0.20, Si: 0.15-0.30, Mn: 0.70-0.90, P<0.020, S<0.012, Ti:...
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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/2022/127104A1 |
Disclosed are high-grade non-oriented silicon steel and a production method therefor. The chemical composition of the non-oriented silicon steel comprises, according to mass percentage: C: 0.002–0.004%, S≤0.003%, Si: 1.4–1.7%, Mn: ...
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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/2022/131708A1 |
The present specification relates to a wire rod for a concrete reinforced steel fiber, a steel fiber, and a manufacturing method therefor, and specifically, disclosed is a wire rod for a concrete reinforced steel fiber used for reinforce...
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WO/2022/131626A1 |
The present invention relates to: a steel sheet which can be used for automobile parts and the like, and which has an excellent balance of strength and ductility, an excellent balance of strength and hole expansibility, and an excellent ...
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WO/2022/131783A1 |
The present invention is to provide a thick steel plate and a manufacturing method therefor, wherein the steel plate can secure high strength and high ductility simultaneously even though having a certain thickness.
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WO/2022/129997A1 |
A method of production of a coated steel substrate comprising of the steps to have a steel substrate;performing electroplating of the steel substrate with an electroplating solution having a pH of from 2 to 6 and containing 100g/l to 500...
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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/2022/128162A1 |
The invention relates to a heat treatment for the annealing of blanked metal parts (1; 10; 11), in particular of metal parts (1; 10; 11) obtained in a multi-layer blanking process from a multi-layered basic material (51) with a number of...
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WO/2022/131553A1 |
Disclosed are a non-oriented electrical steel sheet and a method for manufacturing same, wherein the texture of the electrical steel sheet is optimized after cold rolling by controlling the temperature and atmosphere of decarburization a...
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WO/2022/131538A1 |
The present invention can provide a bullet-proof steel capable of providing excellent bullet-proof properties by having high hardness characteristics and excellent low-temperature impact toughness, and a method for manufacturing same.
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WO/2022/131542A1 |
The present invention can provide: armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity; and a manufacturing method therefor.
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WO/2022/131540A1 |
The present invention can provide armored steel and a method for manufacturing same, wherein the armored steel has excellent low-temperature impact toughness together with a high hardness property and as such, can provide excellent ferro...
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WO/2022/131795A1 |
The present invention relates to a high-strength cold-rolled enamel steel sheet and a method of manufacturing same, the enamel steel sheet comprising, in weight%, C: 0.01-0.1%, Mn: 0.05-0.4%, Si: 0.001-0.03%, Al: 0.03-0.12%, P: 0.02-0.04...
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WO/2022/131628A1 |
The present invention relates to a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet and a method for manufacturing same, the steel sheet having an excellent balance between strength and ductil...
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WO/2022/131535A1 |
The present invention can provide a bullet-proof steel capable of providing excellent bullet-proof properties by having high hardness characteristics and excellent low-temperature impact toughness, and a method for manufacturing same.
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WO/2022/131503A1 |
Disclosed is ferritic stainless steel having excellent heat resistance through the control of a component system. The ferritic stainless steel having excellent heat resistance according to an embodiment of the present invention comprises...
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WO/2022/131543A1 |
The present invention can provide armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity, and a method for manufacturing same.
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WO/2022/131570A1 |
The present invention relates to a pressure vessel steel plate having excellent high temperature PWHT resistance, comprising: 0.10-0.16 weight% C; 0.20-0.35 weight% Si; 0.4-0.6 weight% Mn; 7.5-8.5 weight% Cr; 0.7-1.0 weight% Mo; 0.005-0....
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WO/2022/131865A1 |
Disclosed in the present specification are: a wire rod for graphitization heat treatment, the wire rod having fine graphite grains uniformly distributed in a matrix during graphitization heat treatment while significantly reducing graphi...
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WO/2022/131536A1 |
The present invention can provide: armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelectricity; and a manufacturing method therefor.
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WO/2022/131596A1 |
The present invention relates to steel suitable for automotive materials and, more specifically, to a high-strength steel sheet having excellent bendability and formability, and a method for manufacturing same.
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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/2022/131537A1 |
The present invention can provide armored steel having high hardness and excellent low-temperature impact toughness to provide excellent ferroelasticity, and a method for manufacturing same.
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WO/2022/131625A1 |
The present invention relates to a steel sheet which can be used for automobile parts and the like, and relates to a steel sheet and a method for manufacturing same, the steel sheet having an excellent balance between strength and ductil...
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WO/2022/131581A1 |
The present invention is to provide a steel material having low surface hardness and excellent low temperature impact toughness, and a method for manufacturing same.
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WO/2022/126973A1 |
Disclosed in the present invention is a method for manufacturing an equal-hardness Cr5 support roll. The method comprises the following steps: 1) preparing steel raw materials according to chemical components and weight percentage conten...
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WO/2022/131592A1 |
Disclosed are a wire rod and a steel wire for a spring, a spring, having improved fatigue resistance and nitrification treatment properties, and methods for manufacturing same. The wire rod for a spring, having improved fatigue resistanc...
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WO/2022/128045A1 |
The invention relates to a heat treatment for the annealing of blanked metal parts (1; 10; 11), in particular of metal parts (1; 10; 11) obtained in a multi-layer blanking process from a multi-layered basic material (51) with a number of...
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WO/2022/131752A1 |
Disclosed are a wire rod and parts with improved delayed fracture resistance, and methods for manufacturing same. The wire rod with improved delayed fracture resistance according to the present invention comprises 0.15 to 0.30 wt% of C, ...
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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/2022/128880A1 |
The invention relates to methods for the heat treatment of metal components (2), comprising, for each of the components (2): a) heating of the component (2) in a first furnace (3); b) transfer of the component (2) from the first furnace ...
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WO/2022/131589A1 |
Disclosed in the present specification are: a high-strength wire rod for cold heading, having excellent heat treatment characteristics and hydrogen delayed fracture characteristics, the rod being applicable to a bolt and the like; a heat...
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