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WO/2023/212972A1 |
A low-yield-ratio, easy-to-weld and weather-proof bridge steel and a manufacturing method therefor. The present invention comprises the following components in percentages by mass: C: 0.051-0.080%, Si: 0.20-0.50%, Mn: 1.20-1.50%, P≤0.0...
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WO/2023/213658A1 |
The invention relates to a rolling mill comprising at least one roll stand (1) and a pay-off reel (2) arranged upstream of the roll stand (1). A metal strip (4), wound to form a coil (3), is unreeled from the pay-off reel (2) and fed the...
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WO/2023/214472A1 |
Provided is a hot-rolled steel sheet to be used as base material for an electric resistance welded steel pipe having high strength as well as excellent processability and toughness, which is suitable for steel pipes for mechanical struct...
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WO/2023/206818A1 |
Disclosed in the present invention are a 120ksi-steel-grade high-strength high-toughness high-hydrogen sulfide-resistance hot-rolled steel round bar used for a drill pipe joint, and a preparation method therefor. The chemical components ...
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WO/2023/197571A1 |
Disclosed in the present invention is a 360HB-450HB grade abrasion resistant steel, comprising the following chemical components in percentage by mass: C: 0.10%-0.30%, Si: 0.20%-0.50%, Mn: 0.80%-1.60%, P≤0.020%, S≤0.005%, Ti: 0.008%-...
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WO/2023/194868A1 |
A soft reduction segment (1) of a continuous casting machine, said segment being suitable for carrying out a soft reduction of a slab exiting from said continuous casting machine, the segment comprising - an upper support (2) for support...
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WO/2023/186585A1 |
The invention relates to a method for producing a metal product in a plurality of successive process steps, each with an assigned set of manipulated variables, the method having the following steps: measuring an actual property of the me...
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WO/2023/186471A1 |
The invention relates to a roll casting installation (1000) having: at least a first casting machine (110) for casting a first metal melt to form a first casting strand having a first casting thickness; and a first separating device for ...
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WO/2023/179025A1 |
Disclosed in the present invention is a preparation method for a high-strength and high-toughness spring steel wire rod. The preparation method comprises performing the following steps in sequence: converter smelting, LF refining, contin...
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WO/2023/182590A1 |
The present invention relates to an imprinting apparatus capable of reproducing a large-area continuous natural pattern without any seams on the surface of flat material to be imprinted, the imprinting apparatus comprising: a flat mold o...
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WO/2023/180663A1 |
The invention relates to a metal plate (10) for creating floors, particularly of industrial vehicles, over which trolleys are to run, said plate exhibiting on one side a plurality of patterns, each pattern comprising one or more projecti...
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WO/2023/181545A1 |
This rolling device monitoring/control device is a monitoring/control device for monitoring or controlling a rolling device, the rolling device monitoring/control device comprising: a vibration data acquisition unit configured to acquire...
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WO/2023/173803A1 |
The present invention discloses a rolling contact fatigue resistant steel rail for a mixed passenger and freight railway, characterized by comprising the following chemical components by weight percentage: 0.75-0.88% C, 0.10-0.60% Si, 0....
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WO/2023/170979A1 |
This titanium material is configured such that: in a range from the surface to a position at which the oxygen concentration measured in the thickness direction from the surface by a glow discharge spectroscopic analysis method is 1/3 the...
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WO/2023/171350A1 |
In a method for manufacturing an assembled slab as a rolled raw material for manufacturing a clad steel sheet comprising a base material, and a cladding material joined to the base material, welding is performed using high-energy beam we...
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WO/2023/155372A1 |
The present invention relates to the technical field of steel production. Disclosed is a steel for thin-gauge bridges and a production method therefor. The chemical composition and mass percentage of said steel are as follows: C≤0.20%,...
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WO/2023/155868A1 |
Disclosed in the present invention are a high-strength steel composite galvanized sheet resistant to LME cracking during spot welding, and a preparation method therefor. The high-strength steel composite galvanized sheet comprises a high...
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WO/2023/156116A1 |
The invention relates to the technical field of combined casting-rolling installation for producing hot-rolled finished strip. The aim of the invention is to modify an existing combined casting-rolling installation and a method for produ...
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WO/2023/153099A1 |
The present invention provides a steel sheet for hot pressing, the steel sheet being prevented from the generation of scales due to a coating layer and being reduced in adhesion of a metal to heating facilities, thereby preventing liquid...
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WO/2023/153500A1 |
This metal foil for a spring member comprises a first region that is the shape of a square having a side length of 300 mm and that is for forming a spring member. The absolute value of the difference obtained by subtracting the standard ...
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WO/2023/153499A1 |
This metal foil for a spring member comprises a first region that is the shape of a square having a side length of 300 mm and that is for forming a spring member. The absolute value of the difference obtained by subtracting the standard ...
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WO/2023/143290A1 |
Disclosed is a pipeline. The pipeline has, in the thickness direction, a corrosion-resistant layer and a base layer. The corrosion-resistant layer is at least located on an inner wall of the pipeline, and the corrosion-resistant layer, i...
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WO/2023/147321A1 |
A method of processing a metal substrate may include receiving the metal substrate and additively depositing metal particles on the metal substrate by cold spraying the metal particles to generate a cold spray coating adhered to the meta...
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WO/2023/142433A1 |
A self-adaptive deviation rectifying roller, comprising a roller core (1) and a roller body. The roller body comprises a plurality of fan-shaped plates (2) sequentially arranged at intervals in the circumferential direction; the inner wa...
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WO/2023/139151A1 |
The invention relates to a method for the laser processing of a workpiece (102), which has a curved surface (104), in which method at least one focus element (122) is provided by means of an input laser beam (110), the surface (104) of t...
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WO/2023/138595A1 |
The present invention discloses a pipeline, which has a corrosion-resistant layer and a base layer in the thickness direction, wherein the corrosion-resistant layer is at least located on the inner wall of the pipeline; and the corrosion...
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WO/2023/138121A1 |
A method for producing a thin specification steel plate, wherein a rolling process comprises: turning off a roller-table cooling water, smoke suppression and a rolling mill side spraying, two pieces of steel in advance; closing a roller ...
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WO/2023/123859A1 |
A graphene/copper composite deformed copper-chromium-zirconium alloy layered strip material and a preparation method therefor. An embodiment comprises: first carrying out ambient temperature equal channel angular pressing (ECAP) and cryo...
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WO/2023/129793A1 |
A non-pneumatic tire includes a lower ring having a first diameter and an upper ring having a second diameter greater than the first diameter. The upper ring is substantially coaxial with the lower ring. The non-pneumatic tire further in...
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WO/2023/128652A1 |
The present invention provides a lithium rolling apparatus which forms a lithium foil by rolling a lithium sheet, the lithium rolling apparatus comprising: a first roll coming into contact with the first surface of the lithium sheet; a s...
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WO/2023/121179A1 |
Provided is an ultrathick steel material for a flange having excellent strength and low-temperature impact toughness, and a manufacturing method therefor. The steel material of the present invention comprises, in weight%, C: 0.05-0.2%, S...
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WO/2023/121186A1 |
Provided are an ultra-thick steel material having excellent strength and low-temperature impact toughness for flanges and a method for manufacturing same. The steel material of the present invention comprises, by wt%, C: 0.05-0.2%, Si: 0...
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WO/2023/120631A1 |
When the thickness of this titanium alloy foil is defined as t, the t is 0.005-0.200 mm. In the X-ray diffraction intensity obtained when the surface is subjected to X-ray diffraction, the peak intensity of the 200 plane of the crystal o...
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WO/2023/110017A1 |
The invention relates to an electrical contact element (1) consisting of two different parts, a conductor connection part (LT) and a contact part (KT), which are mechanically and electrically connected to one another, wherein the conduct...
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WO/2023/112891A1 |
A non-oriented electromagnetic steel sheet according to the present invention contains no greater than 0.010% of C, 1.0% to 5.0% (inclusive) of Si, 0.05% to 5.0% (inclusive) of Mn, no greater than 0.1% of P, no greater than 0.01% of S, n...
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WO/2023/112892A1 |
A non-oriented electromagnetic steel sheet according to the present invention contains, in mass%, 0.010% or less C, 1.0 to 5.0% Si, 0.05 to 5.0% Mn, 0.1% or less P, 0.01% or less S, 3.0% or less Al, and 0.005% or less N, the remainder be...
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WO/2023/113444A1 |
The present invention relates to a calcium-containing graphite steel wire rod, steel wire, graphite steel, and a manufacturing method and cutting method therefor and, more particularly, proposes a cutting method for manufacturing industr...
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WO/2023/113428A1 |
The present invention relates to a graphite steel having excellent machinability, and a manufacturing method therefor, and, more specifically, to a calcium-containing graphite steel having a machinability superior to that of normal free-...
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WO/2023/109005A1 |
The present invention belongs to the field of steel material preparation, and relates to a 56 kg-grade low-yield-ratio ultrahigh-strength maritime work steel plate and a preparation method therefor. The composition design of the present ...
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WO/2023/112064A1 |
Rolling method to produce a metal strip (P) in coil-to-coil, semi-endless or endless mode, in a rolling plant (10) comprising: - a continuous casting device (11) to produce slabs; - a furnace (16) configured to maintain the slabs at a ce...
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WO/2023/113442A1 |
The present invention relates to methods for manufacturing a wire rod for cold forging and a screw part, which can manufacture with only quenching heat treatment a part with excellent drilling characteristics, and which can specifically ...
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WO/2023/101487A1 |
Disclosed are: a cold forging wire rod and a steel part in which the microstructure is controlled through the alloy composition and manufacturing method, thus enabling cost reduction and enhancing delayed fracture resistance; and a metho...
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WO/2023/098123A1 |
Provided in the present invention are a single-tooth track plate cogging-down pass and hot rolling method. The single-tooth track plate cogging-down pass comprises a first cogging hole and a second cogging hole, wherein the first cogging...
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WO/2023/093247A1 |
A roll press device (10) comprises a roll (100), a heat exchange assembly (200) and an adjustment assembly (300). The roll is provided with a roll press surface (110) for rolling a target workpiece. The heat exchange assembly is opposite...
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WO/2023/090634A1 |
The present invention relates to an aluminum alloy conductor with high heat resistance for power transmission lines and a method for producing same, and the aluminum alloy conductor for power transmission lines according to an embodiment...
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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/2023/082661A1 |
Disclosed is a method for producing an anti-contact fatigue hypereutectoid steel rail. The method comprises performing molten iron desulfurization, converter smelting, LF refining, RH refining, continuous casting, steel billet heating, r...
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WO/2023/077838A1 |
A medium-strength steel rail. The weight percentages of the chemical components of the medium-strength steel rail are: 0.70-0.90% of carbon, 0.08-0.65% of silicon, 0.69-1.31% of manganese, 0.10-0.25% of chromium, less than or equal to 0....
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WO/2023/079850A1 |
Provided is a method for determining the conformity of a rolling mill roller which makes it possible to estimate online the state of polygonal wear of a roller to be evaluated which is caused by rolling, and to prevent light chatter mark...
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WO/2023/071776A1 |
The present invention discloses a method for preparing a special high wear-resistance steel strip NGNM01 for pipeline transportation, and relates to the technical field of steel production. By means of a strict "triple-control operation"...
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