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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/2023/061185A1 |
The present invention relates to spheroidizing-annealed steel for a low-temperature-resistant high-strength ball screw. In percentage by mass, the chemical components of the steel comprises: C: 0.40-0.70%; Si: 1.20-1.80%; Mn: 1.00-1.60%;...
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WO/2023/062643A1 |
The present invention relates to a method for increase or decrease the tensile strength of a work-piece during casting or welding when the material is in liquid/molten state, wherein said method comprising the following steps: making an ...
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WO/2023/061960A1 |
Method to remove an oxide scale from a steel product by treating the surface of the steel with a pulsed laser wherein a laser beam interacts with the surface of the steel product in a focal spot.
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WO/2023/062210A1 |
This invention relates to a hybrid high strength low alloy cold-rolled and annealed steel strip and a method for producing said steel strip.
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WO/2023/057062A1 |
A vanadium alloyed steel comprising carbon and vanadium is provided, wherein the steel microstructure comprises coherent interphase precipitates comprising vanadium. Further, a method for producing such a vanadium alloyed steel is provid...
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WO/2023/058518A1 |
A rolling component (10) has surfaces (10a, 10b, 10c, 10d) and is made of steel. The rolling component includes a surface layer section (50), which is a region extending from the surface down to a depth of 20 μm. The steel contains 0.70...
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WO/2023/057430A1 |
The present invention refers to a method for manufacturing a track link for a running gear of a tracked vehicle, comprising the following method steps: P1) providing a forging blank of steel, P2) hot forging the forging blank to produce ...
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WO/2023/052325A1 |
The invention relates to a device for receiving and driving at least one substantially annular workpiece (4) in a processing system, said workpiece (4) at least partly undergoing a thermal expansion and/or contraction in the processing s...
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WO/2023/049722A1 |
Methods and metal products are described for simultaneously performing a solution heat treatment operation or continuous annealing operation and surface treatment operation using super-heated steam to produce a processed metal product. A...
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WO/2023/048169A1 |
This mechanical component (10) is made of steel and has surfaces (10a, 10b, 10c, 10d). The steel is quenched and tempered. The mechanical component comprises: a nitrided layer (11) on a surface; and a core section (12) which is at a fart...
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WO/2023/047991A1 |
The purpose of the present invention is to make it possible to attain a hot-pressed member which has a tensile strength TS of 1,760MPa or higher, and exhibits excellent low-temperature toughness and delayed fracture resistance, and to pr...
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WO/2023/042545A1 |
The objective of the present invention is to provide manufacturing equipment and a manufacturing method with which a film boiling state can be maintained at as low a temperature as possible without increasing ancillary equipment and with...
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WO/2023/042794A1 |
The purpose of the present invention is to provide a quenching device, continuous annealing equipment, a quenching method, a method for manufacturing a steel sheet, and a method for manufacturing a plated steel sheet with which it is pos...
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WO/2023/040034A1 |
A micro-molybdenum-type weather-resistant bridge steel plate, which is made by smelting the following components according to weight ratio: 0.05 to 0.08% C, 0.30 to 0.50% Si, 1.25 to 1.35% Mn, 0.010 to 0.014% P, S≤0.003%, 0.020 to 0.03...
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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/2023/042031A1 |
The present invention relates to a high strength, high slenderness structural part having excellent energy absorption properties in the case of an impact. In particular, the present invention relates to a structural part for use in an au...
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WO/2023/041954A1 |
The present invention relates to a high strength, high slenderness structural part having excellent energy absorption properties in the case of an impact. In particular, the present invention relates to a structural part for use in an au...
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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/2023/042795A1 |
The present invention addresses the problem of providing: a quenching apparatus which makes it possible to prevent the warpage of a metal sheet after quenching even when the metal sheet is warped already before the quenching; a continuou...
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WO/2023/035444A1 |
The present application provides a stainless steel wire and a preparation method therefor, and a stainless steel spring. The chemical components of the stainless steel wire comprise, in percentages by mass: 0.03-0.08% of C, 6.50-7.50% of...
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WO/2023/037975A1 |
This production method comprises: a first step in which an aluminum alloy sheet that has been subjected to a precipitation hardening treatment in advance is heated to a temperature at which press molding is possible, in a state in which ...
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WO/2023/036882A1 |
The invention relates to a method for producing a hardened steel component, wherein steel sheet blanks are cut from a coil made of steel alloy or steel strip that can be hardened, and the steel sheet blanks are then shaped into a steel s...
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WO/2023/036251A1 |
Disclosed are a temperature-variable vacuum carburizing method for obtaining dispersedly distributed fine carbides, comprising a heating and insulating stage, a pulse carburizing stage, a temperature-variable stage and a quenching stage....
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WO/2023/031645A1 |
A hot rolled steel sheet having a composition comprising of elements, 0.02%≤Carbon≤0.2%, 3%≤Manganese≤9%, 0.2%≤Silicon≤1.2%, 0.9%≤Aluminum≤2.5%, 0%≤Phosphorus≤0.03%, 0%≤Sulfur≤0.03%, 0%≤Nitrogen≤0.025%, 0%≤M...
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WO/2023/029630A1 |
Disclosed in the present invention are a steel rail in which abrasion and rolling contact fatigue are well coupled and a production method therefor. The chemical components of the steel rail comprise, in percentages by weight: 0.75-0.88%...
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WO/2023/031647A1 |
A hot rolled steel sheet having a composition comprising of the elements, 0.02%≤Carbon≤0.2%, 3%≤Manganese≤9%, 0.2%≤Silicon≤1.2%, 0.9%≤Aluminum≤2.5%, 0%≤Phosphorus≤0.03%, 0%≤Sulfur≤ 0.03%, 0%≤Nitrogen≤0.025%, 0...
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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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WO/2023/026903A1 |
A rack portion (21) comprises a hardened layer (26) provided over the entire circumference in a radially outer portion including rack teeth (20). A depth (tb) of a portion of the hardened layer (26) located on the opposite side of the ra...
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WO/2023/026621A1 |
To provide a roller bearing capable of suppressing the occurrence of white etching area flaking. A roller bearing comprising a structure in which the dissolved carbon content in the martensite structure after heat treatment is 0.35-0.65 ...
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WO/2023/023843A1 |
A process for manufacturing a vehicle part from steel material, such as Mn22B5 steel material, using a single transfer press is provided. The process includes stamping, trimming, and piercing the steel material in the transfer press at r...
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WO/2023/026774A1 |
The present invention addresses the problem of suppressing unevenness in the shape of a metal sheet, generated when performing quench hardening thereof. A metal-sheet quench-hardening apparatus (1) cools a metal sheet (S) while conveyi...
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WO/2023/026773A1 |
The present invention suppresses shape variation of a metal sheet which occurs at the time of quenching. This metal sheet quenching device (1) is for cooling a metal sheet while conveying the metal sheet and comprises a cooling device ...
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WO/2023/022044A1 |
This gearbox shaft (1) is used for a gearbox and has a raceway surface on which needle rollers (2) roll. The gearbox shaft (1) comprises a base material (11) and a ferrosoferric oxide coating (12). The base material (11): is formed from ...
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WO/2023/020931A1 |
The invention relates to a flat steel product for hot working, a worked steel sheet part, a process for manufacturing the flat steel product and a process for manufacturing the worked steel sheet product, the flat steel product and the s...
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WO/2023/022222A1 |
Provided is a steel material that exhibits an excellent hydrogen embrittlement resistance after the execution of a pickling treatment and that exhibits an excellent lubricant adhesiveness. The steel material according to the present embo...
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WO/2023/022134A1 |
The present disclosure provides a configuration by which a motor core can be degreased prior to stress-relief annealing without the provision of a heating device or a vacuum device dedicated for degreasing. A heat treatment furnace accor...
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WO/2023/020932A1 |
The invention relates to a flat steel product for hot working, a worked steel sheet part, a process for manufacturing the flat steel product and a process for manufacturing the worked steel sheet product, the flat steel product and the s...
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WO/2023/015634A1 |
A multifunctional device providing support and protection during crawling, sitting, lying and jumping activities. The multifunctional device comprises a frame (100), a plurality of elastic rods (200), a cushion (300), and a protective ne...
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WO/2023/017844A1 |
This joined part includes: a first steel member; a second steel member; and a joined portion that is formed at a portion where the first steel member adjoins the second steel member and that includes a welding metal and a thermally affec...
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WO/2023/018028A2 |
Disclosed in the present specification are steel and a steel wire, which are for a spring, and manufacturing methods therefor, the steel and the steel wire having excellent resistance to permanent deformation by having increased in-mater...
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WO/2023/010655A1 |
Disclosed in the present invention are a wear-resistant and corrosion-resistant steel plate for a sediment transport pipeline and a preparation method therefor, which belong to the technical field of alloy steel. The steel plate comprise...
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WO/2023/011330A1 |
The present application provides hot work die steel and a preparation method therefor, and a piston forging forming die and a preparation method therefor. The hot work die steel provided by the present application comprises the following...
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WO/2023/004852A1 |
A 6060A-T5 material for a blade battery profile and a processing process therefor, the formulation comprising: silicon, iron, copper, manganese, chromium, zinc, titanium, magnesium, zirconium, and the balance of aluminium, the mass perce...
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WO/2023/007932A1 |
Provided is a quenching device which is excellent in metal sheet cooling effect, allows easy switching between a condition for carrying out quenching and a condition for not carrying out quenching, and is capable of suppressing thermal d...
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WO/2023/008545A1 |
The present invention addresses the problem of providing a heat-treatment oil composition that, even when using a sulfur compound which has poor effects for achieving good brightness in a metal material after a heat-treatment such as que...
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WO/2023/000525A1 |
A hot-rolled stainless steel annealing pickling process and pickling device. In the pickling process, by controlling the temperature of strip steel at an outlet of an annealing furnace, the high-temperature strip steel is in direct conta...
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WO/2023/000520A1 |
The present invention relates to a low-consumption high-efficiency silicon steel normalizing acid pickling process and an acid pickling apparatus. Residual heat at an outlet of a normalizing furnace is effectively used as a medium for he...
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WO/2023/002741A1 |
Provided are a metal sheet-quenching apparatus, a continuous annealing facility, a metal sheet-quenching method, a cold-rolled steel sheet production method, and a plated steel sheet production method that prevent shape defects generated...
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WO/2023/002720A1 |
[Problem] To provide a heating coil for high-frequency heater, the heating coil having good cooling efficiency, being able to be used continuously over long periods without being damaged even under high output conditions, and achieving m...
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