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WO/2023/234046A1 |
This R-T-B-based sintered magnet (R represents a rare earth element including Nd, and T represents a transition metal element including Fe) comprises, as a rare earth element, at least dysprosium (Dy). When the value of saturation remnan...
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WO/2023/226813A1 |
Disclosed in the present application are a highly corrosion-resistant galvanised hot-formed hardened steel, parts of same, and a preparation method therefor, comprising a substrate and a plating layer; the components of the substrate and...
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WO/2023/222921A1 |
The present invention relates a method for casting a component for application in a high wear industrial environment with a composite zone containing titanium carbides in a matrix material, the composite zone formed in-situ during castin...
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WO/2023/222897A1 |
A method of producing a die or a die material for extrusion of aluminum profiles, comprising the steps of: providing a first powder, which is a steel powder having the following composition in weight%: C < 1.2; Co 6.0 – 15; Mo 5.0 – ...
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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/2023/212970A1 |
A steel plate for an advanced nuclear power unit reactor core shell cylinder and a manufacturing method for the steel plate. The steel plate comprises the following components in percentage by mass: C: 0.10%-0.14%, Si: 0.20%-0.30%, Mn: 0...
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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/2023/197572A1 |
Disclosed in the present invention is 500 HB grade or above abrasion-resistant steel, the chemical components and the mass percentages thereof are as follows: 0.15%-0.45% of C, 0.15%-0.50% of Si, 0.50%-1.80% of Mn, P ≤ 0.015%, S ≤ 0....
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WO/2023/197621A1 |
A preparation method for heterojunction-containing sintered aluminum-nickel-cobalt doped with cast aluminum-nickel-cobalt. Cast aluminum-nickel-cobalt fine powder is doped into a sintered aluminum-nickel-cobalt material, and process deta...
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WO/2023/187550A1 |
The present disclosure discloses a method for producing silica coated iron powder particles with improved physical properties. The process starts from mixing iron powder particles and wax or oil-based binder in blenders of defined compos...
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WO/2023/184811A1 |
A method for producing steel by using a waste low-grade ore instead of a rich iron ore as a raw material, comprising the following steps: using a waste low-grade ore instead of a conventional rich iron ore as a raw material, wherein the ...
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WO/2023/188576A1 |
A sliding member according to the present invention includes, at least at the surface thereof, a particulate aggregate of base material particles and hard particles. Because the hard particles are iron alloy particles containing molybd...
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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/2023/179059A1 |
The present invention discloses 9Ni steel and a production method therefor, and relates to the technical field of steel production. The steel comprises the following chemical components in percentages by mass: C: 0.030-0.060%, Si: 0.10-0...
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WO/2023/179938A1 |
The invention relates to a sintered-metal component comprising two functional, mutually separate, mutually adjacent material components (4, 6), wherein a magnetic material component (4) comprises a ferromagnetic iron material and a suppo...
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WO/2023/181771A1 |
A method for producing an R-T-B system sintered magnet according to the present disclosure comprises: a grinding step in which an R-T-B system alloy powder is produced by grinding an R-T-B system alloy; a powder storage step in which the...
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WO/2023/167647A1 |
The invention relates to a machine and method for producing magnetic cores from thin tapes of material by winding. Such a machine is used to produce magnetic cores in toroidal, oval or planar shapes by subjecting amorphous and nanocrysta...
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WO/2023/165068A1 |
The present invention relates to a carburized bearing steel for a large-load rolling mill bearing and a production method therefor. The steel comprises the following chemical components (in percentages by mass): C: 0.17-0.23, Si: 0.15-0....
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WO/2023/160613A1 |
The present invention relates to a mooring chain steel and a production method therefor. The mooring chain steel comprises the following components, in percentages by mass: C: 0.18-0.32, Mn: 1.95-2.60, Si: 0.15-0.50, Cr: 0.45-1.20, Mo: 0...
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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/2023/157425A1 |
Provided is a stainless steel powder from which it is possible to manufacture a stainless steel member having excellent high temperature yield strength and oxidation resistance. This stainless steel powder has a component composition t...
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WO/2023/157386A1 |
Provided is an iron-based mixed powder for powder metallurgy that has excellent compressibility and with which it is possible to produce, even by a common production process in which the molding pressure is below 600 MPa, a sintered body...
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WO/2023/156208A1 |
The invention relates to a composite material comprising a metal matrix (3) made of an iron-based or copper-based alloy, fillers (4) made of a material having a hardness greater than the hardness of the metal matrix (3), and a surface te...
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WO/2023/156904A1 |
The present disclosure relates, according to some embodiments to a method for steel production, the method comprising forming a hydrogen and a carbon from a natural gas using thermal plasma electrolysis; reducing iron ore fines with the ...
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WO/2023/151228A1 |
Disclosed in the present invention is a method for controlling brittle inclusions of tire cord steel. The method comprises: adding an alloy during primary smelting and tapping in a furnace; adding silicon carbide and synthetic slag to th...
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WO/2023/144803A1 |
The invention relates to a ferrous alloy powder for additive manufacturing, obtained by atomization with a gas made of at least 95% in volume of nitrogen, said alloy comprising carbon up to 0.5wt.%, titanium up to 11.0 wt.%, boron up tow...
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WO/2023/144592A1 |
The invention relates to a ferrous alloy powder for additive manufacturing comprising an homogeneous distribution of endogenous nitrides and/or carbonitrides of at least one element chosen among a group consisting of titanium, aluminium,...
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WO/2023/137842A1 |
A die steel having a high thermal diffusion coefficient, and a preparation method therefor. The die steel is prepared from the following components, in percentage by mass: C: 0.30-0.40%, Si: 0.05-0.10%, Mo: 2.50-3.40%, Nb: 0.01-0.05%, Co...
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WO/2023/138115A1 |
The present invention belongs to the technical field of ferrous metallurgy. Disclosed is an intermediate-frequency furnace-LF furnace-VD process for smelting high-speed steel. In the present invention, the process comprises: firstly, mel...
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WO/2023/139098A1 |
The present invention relates to a steel powder for additive manufacture of three-dimensional objects and in particular for the manufacture hot and cold work tools, wherein the steel combines the properties of carbon hardening and maragi...
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WO/2023/134292A1 |
The present invention belongs to the technical field of austenite creep-resistant steel, and particularly relates to a cast iron-based austenite creep-resistant steel and a preparation method and use therefor. The austenite creep-resista...
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WO/2023/135343A1 |
The present invention belongs to the field of metal alloy production, specifically to a process for the production of metal alloys using metal powder atomisation in order to obtain reinforced alloys with dispersed oxides. More particular...
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WO/2023/131224A1 |
Disclosed in the present invention is a non-oriented electrical steel plate with good magnetic performance. In addition to Fe and inevitable impurities, the non-oriented electrical steel plate further contains the following chemical elem...
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WO/2023/126031A2 |
Disclosed is a method for preparing steel sheet strips via electro-hydrogen cooperation under microwave radiation, belonging to the technical field of ferrous metallurgy. The method, which has near-zero carbon emissions, comprises: prepa...
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WO/2023/117163A1 |
The present application is concerned with a powder mixture for additive manufacturing processes, wherein the powder mixture comprises a duplex steel powder component and an austenitic steel powder component, wherein the powder mixture co...
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WO/2023/116217A1 |
Disclosed are iron-based alloy powder for plasma cladding, a preparation method and a plasma cladding method. The components of iron-based alloy powder comprise: less than or equal to 0.03% of C, less than or equal to 0.05% of Si, less t...
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WO/2023/115785A1 |
The present invention provides an iron-based amorphous/nanocrystalline alloy as shown in formula Fe(100-a-b-c-d-e)BaSibPcCdCue, wherein d+(b/c)=0.85-1.3, and a viscosity coefficient η is (3.0-8.0)*10-3 Pa/s. The present application furt...
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WO/2023/111403A1 |
The invention relates to a grade of ductile iron having a tensile strength (Rm) equal to or greater than 700 MPa, an elongation of 8%, a yield strength (Rp 0.2) equal to or greater than 532 MPa, and a minimum ratio of yield strength (Rp ...
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WO/2023/111114A1 |
A composite material comprising: at least one reinforcing zone comprising niobium carbide (NbC) and a manganese steel matrix; a manganese steel zone that surrounds each of the reinforcing zones; and an interface layer positioned between ...
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WO/2023/114498A1 |
A method for fabricating an article includes forming a billet consisting essentially of a stainless steel composition of manganese 2.00 wt.% – 24.00 wt.% chromium 19.00 wt.% – 30 wt.% molybdenum 0.50 wt.% – 4.0 wt.% nitrogen 0.25 w...
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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/2023/109223A1 |
The present invention relates to the field of smelting, and disclosed is a low-cost smelting and continuous casting method for pre-hardened plastic mold steel, comprising: step 1, smelting molten steel in a converter; step 2, ladle refin...
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WO/2023/111132A1 |
A composite material comprising: at least one reinforcing zone comprising tungsten carbide (WC) and a manganese steel matrix; a manganese steel zone that surrounds each of the reinforcing zones; and an interface layer positioned between ...
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WO/2023/110683A1 |
The invention relates to a grade of ductile iron having a tensile strength (Rm) equal to or greater than 700 MPa, an elongation at break equal to or greater than 11%, a yield strength (Rp 0.2) equal to or greater than 532 MPa, and a mini...
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WO/2023/104836A1 |
The invention relates to a method for optimizing the chemical composition of a material, preferably of a metal material used for continuous casting, comprising the steps: (i) creating a chemical composition for a specific material or ret...
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WO/2023/106221A1 |
Provided is a production method for a fine-particle anisotropic Nd-Fe-B magnetic powder that has excellent magnetic characteristics. According to the present invention, a production method for an anisotropic Nd-Fe-B magnetic powder inv...
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WO/2023/103514A1 |
The present invention provides acid-resistant pipeline steel and a manufacturing method therefor. The manufacturing method comprises: performing a pre-desulfurization treatment on molten iron by means of a mechanical stirring method, so ...
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WO/2023/104251A1 |
The invention relates to a coating for coating a base body comprising iron; and from 10% to 25% by weight of chromium; and from 0.3% to 5% by weight of carbon; and from 0.5% to 15% by weight of vanadium.
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WO/2023/100528A1 |
In this Fe-Cr-Si-based soft magnetic alloy powder, the weight ratio of Cr contained in the alloy powder is gradually reduced from the surface of the alloy powder to a predetermined depth in the depth direction, the content of Si is in th...
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