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WO/2021/229906A1 |
The present invention addresses the problem of providing a wire coil cooling device that is capable of more uniformly cooling a wire coil. A wire coil cooling device (1) according to the present invention comprises: a covering member (5)...
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WO/2021/230384A1 |
Provided is a steel component that exhibits superior surface fatigue strength. To this end, the steel component has, in order from the surface toward to the inner side thereof, a nitride compound layer and a hardened layer that have a th...
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WO/2021/227921A1 |
A high-strength anti-collapse oil casing and a manufacturing method therefor. The high-strength anti-collapse oil casing comprises the following chemical elements in percentage by mass: 0.08%-0.18% of C; 0.1%-0.4% of Si; 0.1%-0.28% of Mn...
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WO/2021/230311A1 |
This steel sheet for hot stamping comprises, in order: a base metal; an Al-Si alloy plating layer having an Al content of 75 mass% or greater and an Si content of 3 mass% or greater, the total of the Al content and the Si content being 9...
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WO/2021/224707A1 |
The present invention relates to a manufacturing method of a steel strip, a steel strip with controlled decarburized depth, a spot welded joint and the use of said steel strip or said spot welded joint. This invention is particularly wel...
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WO/2021/223760A1 |
A High-strength high-temperature alloy for thermal power units and a processing technique therefor. The high-temperature alloy comprises the following components by mass percentage: 0.05 to 0.08% of C, 14 to 17％ of Cr, ≤ 0.5% of Mn, ...
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WO/2021/224662A1 |
The present invention relates to a manufacturing method of a steel strip, a steel strip, a resistance spot welded joint and the use of said steel strip or said spot welded joint. This invention is particularly well suited for the automot...
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WO/2021/225078A1 |
Provided is a method for controlling continuous heat treatment equipment with which it is possible to overall improve temperature uniformity in the width direction. The continuous heat treatment equipment comprises: a first heating unit,...
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WO/2021/219356A1 |
The invention relates to a method for retrofitting a thermal treatment facility, having at least the following steps: a) dividing a continuous furnace (2) into a first furnace (3) and a second furnace (4), b) arranging a temperature cont...
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WO/2021/219533A1 |
A cartridge, heating element, system and method for amplification of at least one nucleic acid of an in particular biological sample is proposed, wherein the heating element is inductively heated and arranged completely in a reaction cav...
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WO/2021/220545A1 |
In the present invention, when detecting a state where a belt-shaped body W is conveyed and processed in a furnace 10, a conveyance route R for conveying the belt-shaped body in the furnace is set, a processing condition for conveying th...
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WO/2021/212581A1 |
Disclosed is a method for producing a nickel-based steel from a high phosphorus molten iron, the method comprising using converter smelting, wherein the P content of the molten iron used is 0.130-0.150%; a process involving slag retentio...
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WO/2021/215418A1 |
This method for manufacturing a hot-press-formed article comprises a heating step for heating an Al-plated steel sheet and a forming step for forming a hot-press-formed article using a die mold subsequent to the heating step, in which th...
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WO/2021/209503A1 |
In order to provide a method which is intended for producing a steel strip with a multiphase structure and by which the production of complex geometries with a high energy-absorption capacity and high resistance to edge cracking is made ...
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WO/2021/208543A1 |
Disclosed is a multifunctional quenching device, comprising a water quenching device and an air quenching device, wherein the water quenching device comprises a water tank (3); a supporting frame (4) is provided above the water tank (3);...
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WO/2021/208178A1 |
690 MPa-graded easy-to-weld corrosion-resisting high-strength steel and a manufacturing method therefor. Components (wt%) of the steel are as follows: C: 0.13%-0.23%; Si: 0.10%-0.60%; Mn: 0.80%-1.90%: P: <0.018%; S: <0.008%; Cr: 0-0.50%;...
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WO/2021/206049A1 |
This raceway ring is made from steel. The raceway ring is provided with: an inner circumferential surface; and an outer circumferential surface opposite to the inner circumferential surface in a radial direction of the raceway ring. The ...
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WO/2021/203542A1 |
Disclosed by the present invention is an high-speed bright quenching oil having a stable cooling speed, prepared by mixing the following components in percentage by weight: 78-90% of base oil, 0.5-2% of antioxidant, 0.1-0.5% of auxiliary...
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WO/2021/197542A1 |
The present invention relates to a method for manufacturing a steel vehicle wheel (3), the method comprising the following steps: - providing a first component, which corresponds to a rim (1), and a second component, which corresponds to...
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WO/2021/196820A1 |
Disclosed is a method for manufacturing a low remanence 5Ni steel plate with an excellent surface quality. The process flow thereof comprises: converter smelting -> LF refining -> RH high vacuum degassing -> treatment with Ca -> continuo...
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WO/2021/201159A1 |
Provided is a steel material having exceptional machinability and an exceptional detachment service life in a hydrogen generation environment in a carburized bearing component after a carburization process. A steel material contains, in ...
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WO/2021/200951A1 |
A hot press line (100) is provided with: a heating device (30); a first press device (10) having a first mold (1A, 1B); a second press device having a second mold (2A, 2B); a first transport device (41) for transporting a metal plate (B)...
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WO/2021/197119A1 |
Disclosed are a quenching system and a quenching method. The quenching system comprises: a clamping tool, which is used for clamping a workpiece (4) and can drive the workpiece (4) to move in a space; and a quenching tool, which comprise...
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WO/2021/201157A1 |
The present invention provides a carburized bearing component which has excellent flaking life associated with the structure change in a hydrogen-generating environment. This carburized bearing component has a core part that has a chemic...
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WO/2021/197120A1 |
The present application relate to the technical field of clamping apparatuses. Disclosed in the present application is a clamping fixture. The clamping fixture comprises: a mounting portion; a first clamping portion fixedly mounted on th...
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WO/2021/196821A1 |
Disclosed is a method for preparing a 80-100 mm extra-thick EH36 steel for offshore wind power. The process comprises: conversion -> LF refining -> RH vacuum degassing -> Ca treatment -> continuously casting -> hydrogen diffusion of ingo...
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WO/2021/193632A1 |
This hot-dipped galvanized steel sheet is provided with a steel sheet, a boundary layer that is arranged on the surface of the steel sheet, and a hot dip galvanization layer that is arranged on the surface of the boundary layer. In a sur...
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WO/2021/193618A1 |
This hot stamp molded body has a steel sheet and a zinc-based plating layer that is disposed on the steel sheet. The steel sheet has a predetermined chemical compositional makeup and has an area% of not less than 90% of martensite in a m...
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WO/2021/187484A1 |
Provided are: a steel that is for a die and that enables production of a die being for hot working and having both high hardness and high thermal conductivity; a die for hot working; and a manufacturing method for the same. The steel f...
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WO/2021/184537A1 |
A local heat treatment method for regulating a residual stress by primary and auxiliary heating. A primary heating belt is applied to a weld seam to regulate the microstructure and hardness of the weld seam, so as to make the structure u...
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WO/2021/187706A1 |
Disclosed are a highly anticorrosive martensitic stainless steel, and a manufacturing method therefor, the steel having uniformly distributed fine chromium carbide so as to have improved corrosion resistance, and being applicable as tabl...
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WO/2021/185853A1 |
The invention relates to a method for producing a screw (10), having the following steps: a. rolling a screw wire made of low-alloy carbon steel to produce a screw (10) having a thread, b. heating the entire screw (10) to an austenitizin...
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WO/2021/187100A1 |
Provided is a raw blank for vacuum carburizing. The raw blank has a chemical composition which contains, in terms of mass%, 0.13-0.28% of C, 0.01-1.20% of Si, 0.10-1.50% of Mn, not more than 0.030% of P, not more than 0.050% of S, 0.30-2...
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WO/2021/180979A1 |
Provided is method of manufacturing a steel article having a microstructure that is principally a mixture of bainite and martensite, and having a tensile strength higher than 780 MPa.
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WO/2021/181866A1 |
Provided is a method for manufacturing a steel component, the method including: a step for preparing a steel plate having a chemical composition in which 0.05-0.40 mass% of C, 0-2.0 mass% of Si, 1.0-3.0 mass% of Mn, 0.010-1.0 mass% of Al...
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WO/2021/180978A1 |
Provided is method of manufacturing a steel article having a microstructure that is principally a mixture of bainite and martensite, and having a tensile strength higher than 780 MPa.
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WO/2021/181570A1 |
A gas soft-nitriding processed article according to an aspect of the present invention comprises a steel core part, a compound layer, and a nitrogen diffusion layer that exists between the steel core part and the compound layer, wherein:...
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WO/2021/183459A1 |
Nickel-based alloys having improved localized corrosion resistance, improved stress-corrosion cracking (SCC) resistance and impact strength are disclosed. The improvements come from the provision of compositions that are resistant to del...
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WO/2021/176768A1 |
Provided is a hot-pressed member excelling in coating film adhesion and post-coating corrosion resistance when electrodeposition coating has been implemented after a zirconium-based chemical conversion treatment. The hot-pressed member a...
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WO/2021/175663A1 |
The invention relates to a method for thermally treating a component (2), having the steps of: a) heating the component (2) in a first continuous furnace (3) that is divided into a first zone (6) and a second zone (7), which adjoins the ...
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WO/2021/175686A1 |
The invention relates to a method for thermally treating a coated component (2), having the steps of: a) thermally treating the component (2) in a first continuous furnace (3) that is divided into a first zone (6) and a second zone (7), ...
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WO/2021/175318A1 |
Disclosed is a three-layer composite structure high-strength steel plate provided with an upper surface layer, a lower surface layer and a central layer located between the upper surface layer and the lower surface layer in a thickness d...
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WO/2021/174929A1 |
Disclosed is a preparation method for a high-carbon wear-resistant steel ball. The preparation method comprises the following steps: (a) pressing and rolling a high-carbon round steel section into a spherical shape to obtain a steel ball...
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WO/2021/173976A1 |
A precipitation hardenable, martensitic stainless steel is disclosed. The alloy has the following broad composition in weight percent. Ni 10.5-12.5 Co 1.0-6.0 Mo 1.0-4.0 Ti 1.5-2.0 Cr 8.5-11.5 Al Up to 0.5 Mn 1.0 max. Si 0.75 max. B 0.01...
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WO/2021/171517A1 |
Provided is a hot-stamped article comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein: the plating layer has a prescribed chemical composition; the plating layer compri...
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WO/2021/171514A1 |
Provided is a plated steel material comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein the plating layer has a prescribed chemical composition, and the surface structu...
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WO/2021/171515A1 |
Provided is a hot-stamped article comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein: the plating layer has a prescribed chemical composition; the plating layer compri...
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WO/2021/169985A1 |
A high-entropy alloy containing boron and rare earth and a magnetic field treatment method therefor. The whole treatment process is divided into two parts, i.e. pulse magnetic field heat treatment and low-temperature static magnetic fiel...
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WO/2021/171519A1 |
Provided is a hot-stamped article comprising a steel base material and an Al-Zn-Mg plating layer formed on the surface of the steel base material, wherein: the plating layer has a prescribed chemical composition; the plating layer compri...
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WO/2021/172177A1 |
Provided is a crankshaft that has excellent seizing resistance. This crankshaft includes journal parts 11 and pin parts 12 and has on a surface thereof a compound layer containing iron and nitrogen. In the compound layer, in each of the ...
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