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WO/2020/204037A1 |
This hot-stamping molded article has a predetermined chemical composition. The metal structure of the hot-stamping molded article includes, in area%, more than 60.0% of ferrite, 0% or more but less than 20.0% of martensite, and 0% or mor...
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WO/2020/202472A1 |
The present invention provides an impact-resistant nitrided component. This nitrided component is characterized by including: a core part that contains, by mass%, 0.08%–0.25% of C, 0.01%–0.50% of Si, 1.50%–3.00% of Mn, 0.001%–0.1...
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WO/2020/201133A1 |
The invention relates to a method for producing a cold-rolled or hot-rolled steel strip having a metal coating, the steel strip comprising iron as the main constituent and, in addition to carbon, an Mn content of 4.1 to 8.0 wt.% and opti...
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WO/2020/201352A1 |
The invention relates to a hot-rolled flat steel product with a particularly uniform distribution of its mechanical properties over its length and breadth, having, moreover, good deformability and low tendency to elastic recovery. To thi...
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WO/2020/201136A1 |
The invention relates to a method for producing a cold- or hot-rolled steel strip with a metallic coating, the steel strip having iron as the main constituent and, in addition to carbon, an Mn content of 8.1 to 25.0 wt.% and optionally o...
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WO/2020/203261A1 |
Provided are a metal sheet quenching device capable not only of ensuring a sufficient cooling rate for a metal sheet when the metal sheet passes through a water jetting device but also of preventing the occurrence of uneven cooling rate ...
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WO/2020/200608A1 |
A fastening means (22) for connecting a first housing part (14) of a steam- or gas turbine (10) to a second housing part (16) of the turbine, is characterised according to the invention in that the screw (22) is made of a parent metal wi...
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WO/2020/194995A1 |
A hot-stamp-molded article has a specified chemical composition, and has such properties that the average crystal grain diameter of prior austenite grains is more than 10 μm and equal to or less than 40 μm and that the (longer axis len...
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WO/2020/192616A1 |
A method for manufacturing a forged steel work roll for rolling a material extremely thin, comprising: optimizing a cold rolling mill containing 5% chromium, and performing tempering by increasing a holding time in a 930°C environment, ...
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WO/2020/195915A1 |
A ferritic stainless steel sheet for automobile brake disk rotors, which contains, in % by mass, 0.001 to 0.05% of C, 0.001 to 0.05% of N, 0.3 to 4.0% of Si, 0.01 to 2.0% of Mn, 0.01 to 0.05% of P, 0.0001 to 0.02% of S and 10 to 20% of C...
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WO/2020/195569A1 |
Provided are: an effective and simple surface-modifying method for prolonging the life of a steel structure made of a steel material having a high sulfur (S) content; and a steel structure having a life prolonged by the surface-modifying...
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WO/2020/192617A1 |
A method for producing silicon steel cold-rolling work rolls from ordinary forged steel roll blanks, nickel being added to the material ratio; during the tempering process, performing real-time adjustment of the heat preservation tempera...
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WO/2020/195490A1 |
This sealed compressor is provided with a compression mechanism unit that compresses a refrigerant in a sealed vessel, wherein: the compression mechanism unit is provided with a first member and a second member that slide against each ot...
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WO/2020/196547A1 |
This electric conduction heating device brings an electrode into contact with a metal pipe material and performs electric conduction heating of a metal pipe, the electrode being provided with an electrode body part formed from an electro...
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WO/2020/195012A1 |
A steel sheet for hot stamping use has such a metal structure that crystal subgrains having an average crystal misorientation value of 0.4 to 3.0° inclusive are contained at an area ratio of 10% or more in the inside of crystal grains s...
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WO/2020/195487A1 |
A leg shaft (7) comprises: a high hardness part (A) that is formed on the surface of the leg shaft (7) such that the carbon content gradually decreases from the surface toward the core of the leg shaft (7); a medium hardness part (B) tha...
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WO/2020/195009A1 |
A hot-stamp-molded article has a specified chemical composition, and has such properties that the average crystal grain diameter of prior austenite grains is 10 μm or less and that the ratio of the length of a grain boundary of which th...
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WO/2020/189253A1 |
The present invention addresses the problem of providing a ball screw having enhanced durability and a structure whereby a screw shaft and a nut satisfy the required performance, a method for manufacturing the same, and a power steering ...
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WO/2020/189767A1 |
This hot stamp molded body has a predetermined chemical composition, the average grain diameter of old austenite grains in a micro structure is 5.0 μm or less, and the average concentration of Mn in grain boundaries of the old austenite...
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WO/2020/187419A1 |
The invention relates to a method for producing a hot-rolled flat steel product with different properties. The invention additionally relates to a hot-rolled flat steel product with different properties and to the use of the hot-rolled f...
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WO/2020/189761A1 |
A hot-stamp-molded article has a specified chemical composition and has a micro-structure comprising 90 to 100% by area of martensite and 0 to 10% by area of a residual structure. In the micro-structure, a region in which the average GAI...
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WO/2020/184055A1 |
Provided is a hot press member having excellent indentation peel strength. The hot press member has a tensile strength of 1780 MPa or more. According to the present invention, a plating layer has at a surface thereof a 10-point average r...
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WO/2020/179800A1 |
Provided is a crankshaft of superior seizing resistance. The chemical composition of the crankshaft, expressed in mass%, is C: 0.35–0.50%, Si: 0.55% or less, Mn: 0.01–0.55%, Cr: 0.10–0.50%, P: 0.03% or less, S: 0.10% or less, Mo: 0...
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WO/2020/178112A1 |
The invention relates to a method for the accelerated cooling of flat steel products (1), in which the flat steel product (1) is cooled from a start temperature to a target temperature, wherein the flat steel product (1) is subjected to ...
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WO/2020/179883A1 |
This car body structure has: a skeleton member having a first top plate part, a corner part, a vertical wall part, and a second top plate part; and a first support part and a second support part that are provided to the second top plate ...
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WO/2020/177259A1 |
An aerosol quenching device, and a test system and test method for an interfacial heat transfer coefficient of a part. The aerosol quenching device comprises an accommodating cavity consisting of a plurality of plates; a rotating compone...
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WO/2020/173474A1 |
A processing method of a piston (220), a processing method of a rotary compressor, and a rotary compressor. The processing method of the piston (220) comprises performing quenching, a cryogenic treatment, and a tempering treatment on the...
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WO/2020/175453A1 |
The present invention is a nitriding steel member in which a matrix phase is composed of a carbon steel or a low-alloy steel, the nitriding steel member being characterized in that a nitride compound layer is provided on the surface, a h...
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WO/2020/170667A1 |
Provided is a hot-pressed member which has both of such high strength that the TS is 1850 MPa or more and excellent delayed characteristic resistance. A hot-pressed member having a specified component composition, and has such a micro ...
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WO/2020/169764A1 |
The invention relates to a steel product made of lightweight steel containing manganese, having a minimum notched bar impact work at -40 °C in the transverse direction of ≥ 20 Joules, preferably at least 30 Joules, having the followin...
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WO/2020/170285A1 |
Apparatus for the off-line drying treatment, or dry out, of an inductor (11) for billets that comprises a coil (12) and a protection body made of refractory material (13) that defines a transit channel (14) for the billets.
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WO/2020/170530A1 |
The present invention addresses the problem of providing: a hot-pressed member having tensile strength of 1.8 GPa or more and also having excellent resistance to collapse under bending load; a method for manufacturing the hot-pressed mem...
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WO/2020/170264A1 |
The invention describes a method of heat-treating an article, which includes a first step of heating the article to a temperature of 400C to 500C at a pressure of 1 to 3 millibar in an atmosphere comprising hydrogen for a period of...
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WO/2020/168689A1 |
Disclosed is a heat treatment production line without charging basket, comprising a smelting furnace feeding mechanism (1), a smelting furnace accumulating mechanism (2), a smelting furnace (3), a quenching mechanism (4), a water pouring...
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WO/2020/165116A1 |
The invention relates to a method for producing a sheet steel component. The invention further relates to the use of the sheet steel component.
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WO/2020/165114A1 |
The invention relates to a method for producing a sheet steel component. The invention further relates to the use of the sheet steel component.
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WO/2020/168163A1 |
The present disclosure provides methods and systems for depositing a metal layer adjacent to or on a substrate. A substrate may be provided. The substrate may be brought in contact with a slurry comprising a metal oxide, a reducing metal...
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WO/2020/166115A1 |
A plate-like or foil-like soft magnetic material having high saturation magnetic flux density, which contains iron, carbon and nitrogen, while comprising martensite that contains carbon and nitrogen and γ-Fe where a phase that contains ...
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WO/2020/165693A1 |
A sheet metal blank is hot-stamped between first and second tool surfaces of first and second die tools, respectively, to form a hot-stamped product. That product is then heat treated between the first and second tool surfaces. An active...
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WO/2020/162509A1 |
The objective of the present invention is to provide a steel member and a steel sheet that have high tensile strength and toughness, and also have excellent hydrogen embrittlement resistance in corrosive environments, and to provide meth...
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WO/2020/162513A1 |
The objective of the present invention is to provide a coated steel member and a coated steel sheet that have excellent hydrogen embrittlement resistance in corrosive environments, and methods for producing the same. A coated steel membe...
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WO/2020/158704A1 |
The present invention provides a novel heat exchange medium as an alternative to lead. A carbon steel wire (1A) that is heated in a heating furnace (11) is allowed to pass through a bath (12A) in which a liquid-phase Mg-Al-Ca alloy (20) ...
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WO/2020/157880A1 |
This sintered material has: a composition constituted of an iron-based alloy; and a structure in which, in a cross-section, the number of 0.3 µm or larger compound particles present per a 100 µm × 100 µm unit surface area is 200 to 1...
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WO/2020/156334A1 |
A metal-material heat insulation device (110a), comprising a box body (10a) and an upper cover (20a). The box body (10a) comprises an inner container (11a) for containing a metal material, a housing (12a), and a vacuum cavity (13a). The ...
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WO/2020/158582A1 |
A machinery component (1) that has a round hole (19) that opens in a first surface (11) thereof, comprises steel or cast iron, and comprises: a plurality of first quench-hardened regions (21) that include the first surface (11) and are m...
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WO/2020/158788A1 |
This sintered material has: a composition constituted of an iron-based alloy; and a structure in which, in a cross-section, the number of 0.3 µm or larger compound particles present per a 100 µm × 100 µm unit surface area is less tha...
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WO/2020/158789A1 |
A sintered material having a relative density of at least 96% and comprising an iron-based alloy composition comprising Ni, C and at least one element selected from the group consisting of Mo, Mn, Cr, B and Si, with the remainder being m...
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WO/2020/158285A1 |
The purpose of the present invention is to provide: a hot-pressed member having tensile strength of 1780 MPa or more and improved in delayed fracture resistance properties; a method for producing the hot-pressed member; a cold-rolled ste...
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WO/2020/153185A1 |
Provided is a drill tool suitable for a high output rock drill. Also provided is a method for producing the same. The drill tool (DT) uses, as the drill tool (DT) material, an alloy steel constituted of the following chemical components:...
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WO/2020/153243A1 |
An inner ring (12) is made of high-carbon steel and has an inner ring raceway surface (12A) extending along the circumferential direction and an inner peripheral surface (12C) as a circumferential surface extending along the circumferent...
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