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WO/2021/157612A1 |
The present invention addresses the problem of providing a heat treatment oil composition which contains a sulfur compound and is capable of improving the brilliance of a metal material after heat treatment such as quenching, without exc...
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WO/2020/221900A9 |
The present invention relates to a steel part for use in aeronautics, comprising a substrate, the substrate comprising at least carbon, cobalt, aluminium and nickel, and having an average atomic fraction of carbon between 0.09% and 0.17%...
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WO/2021/155280A1 |
The present disclosure provides methods and systems for depositing a metal layer (or metal diffusion layer) adjacent to or on a substrate. A steel substrate may be provided. The steel substrate may be alloyed with one or more elemental s...
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WO/2021/153177A1 |
This galvanized steel sheet for hot stamping according to one aspect is characterized by having an uncoated steel sheet: that satisfies a specific chemical component composition; that contains 10 ppm or more of a solid solution B; and th...
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WO/2021/153657A1 |
Provided is an antioxidant for use in the heating of an alloy material, which has excellent blocking resistance and can have excellent oxidation resistance even when the heating is carried out at a high temperature for a long time. The a...
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WO/2021/154240A1 |
The present disclosure relates to a coating of a press hardened steel strip, the coating providing cathodic protection. The coating of the post-press hardened steel strip comprises zinc, aluminum, and at least one element selected from m...
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WO/2021/151393A1 |
A supercritical nitrogen quenching circulation cooling system for use in a vacuum furnace, comprising a heating chamber (2), a transfer chamber (3), and a quenching chamber (4) arranged in sequence, the quenching chamber (4) being a pres...
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WO/2021/149876A1 |
The present invention provides a hydrophilic stainless steel and a method for manufacturing same. A method for manufacturing a hydrophilic stainless steel according to an embodiment of the present invention comprises the steps of: polish...
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WO/2021/147810A1 |
The present invention provides a heat resistant cast steel, a preparation method therefor, and a use thereof; based on the total mass of the heat resistant cast steel, said cast steel comprises the following elements and mass percent con...
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WO/2021/148600A1 |
Disclosed is a method for volume heat treatment of a part (2) having an outer surface (22) delimiting its volume, the method comprising the following steps: a. providing a laser source (3); b. providing the part (2); c. providing support...
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WO/2021/144804A1 |
A nanostructured bainitic steel of low carbon comprising of the following components in percentage by mass: Carbon - (0.24 - 0.28%), Manganese - (1.8 – 2%), Silicon - (2 - 2.5%), Nickel - (1.5 - 1.8%), Molybdenum - (0.2 - 0.25%), Chrom...
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WO/2021/145445A1 |
This hot stamp molded body has a chemical composition that contains, in mass%, 0.06% or more but less than 0.20% of C, from 0.010% to 1.00% of Si, from 1.20% to 3.00% of Mn, 0.100% or less of P, 0.010% or less of S, from 0.01% to 0.500% ...
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WO/2021/145442A1 |
A hot stamped product, wherein: the chemical composition, in terms of mass%, is not less than 0.06% but less than 0.20% C, 0.010-1.00% Si, 0.80-2.00% Mn, not more than 0.100% P, not more than 0.010% S, 0.010-0.500% Al, not more than 0.01...
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WO/2021/144347A1 |
The present invention relates to a grinding ball (19) comprising: - a carbon content of between 1.1 and 1.4 wt %, - a chromium content of between 10 and 14 wt %, - a manganese content of between 0.8 and 1.5 wt %, - a silicon content of b...
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WO/2021/141097A1 |
This hot stamp molded body has a microstructure which has a specific chemical composition, while containing from 20% by area to 30% by area of residual austenite, wherein, among the grain boundaries of crystal grains of bainite and tempe...
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WO/2021/140163A1 |
The invention relates to a sheet or strip made of an aluminum alloy which can be hardened, to a vehicle part made therefrom, to a use, and to a method for producing the sheet or strip. In order to ensure a strong paint bake response (PBR...
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WO/2021/141100A1 |
This hot stamp molded body has a prescribed chemical structure, includes residual austenite in an amount that is equal to or greater than 10% but less than 20% in terms of area ratio, and has a microstructure in which, when the <011> dir...
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WO/2021/141103A1 |
This hot stamp molded body has a microstructure which has a specific chemical composition, while containing 5% by area or more but less than 10% by area of residual austenite, wherein, among the grain boundaries of crystal grains of bain...
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WO/2021/140853A1 |
This rolling bearing raceway ring is made of a quenched steel, and is provided with a surface having an inner circumferential surface and an outer circumferential surface. One of the inner and outer circumferential surfaces includes a ra...
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WO/2020/094787A9 |
The present invention relates to a non-oriented electric steel strip or sheet having the following composition (all amounts in wt%): 3.2 to 3.4 Si; 0.85 to 1.1 Al; 0.07 to 0.18 Mn; 0.01 to 0.04 P; 0.0003 to 0.0030 S; 0.0005 to 0.0020 N; ...
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WO/2021/134941A1 |
Quick bright quenching oil, prepared by mixing the following components in percentage by weight: a basic oil: 80-92%; a refrigerant: 4-10%; a surfactant: 1.5-5%; an auxiliary dispersant: 0.5-3%; and an antioxidant: 0.5-2%. Also provided ...
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WO/2021/130301A1 |
The invention relates to a method for manufacturing a hot-work steel object, wherein a steel melt is produced and the steel melt is subsequently atomized to form a powder, the steel melt having the following alloying elements (all specif...
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WO/2021/130460A1 |
The invention relates principally to a method for treating a part (P) made of ferrous metal, comprising: a nitriding operation forming on the part (P) a combination layer (2) having a thickness of between 5 and 30 pm, and a diffusion reg...
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WO/2021/128409A1 |
Disclosed are a non-oriented electrical steel, a preparation method therefor and the use thereof. The chemical components and the mass fractions thereof of the non-oriented electrical steel are: C ≤ 0.0040%; Si: 1.8-4.00%, Al: 0.30-1.2...
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WO/2021/128837A1 |
A super-tough steel material and a manufacturing method therefor, which belong to the field of steel materials and the processing and preparation thereof, and specifically relate to a super-tough steel material used for a low-temperature...
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WO/2021/123225A1 |
The present invention relates to a process for forming a metal component (20), the process comprising the steps of heating a metal blank (20) coated with a protective layer; cooling said metal blank (20) in a confined space (14), said co...
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WO/2021/125555A1 |
Disclosed in the present specification are: a wire rod and a component, for cold forging, each of which has excellent delayed fracture resistance characteristics and is capable of being applied to high-strength bolts and the like; and ma...
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WO/2021/120390A1 |
A welding, carburizing and quenching method for a large gear. According to the method: firstly, a gear ring, a center plate, a hub and a rib plate are fixed by spot-welding, wherein the hub is subjected to welding groove forming treatmen...
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WO/2021/123888A1 |
The invention deals with a cold rolled and heat-treated steel sheet having a composition comprising, by weight percent C: 0.12 - 0.25 % Mn: 3.0 - 8.0 %, Si: 0.70 - 1.50 %, Al: 0.3 - 1.2 %, B: 0.0002 - 0.004 %, S ≤ 0.010 %, P ≤ 0.020 ...
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WO/2021/125439A1 |
The present invention relates to a ferritic alloy exhibiting excellent tolerance to a nuclear power plant accident, and a method for manufacturing nuclear fuel cladding using same. Specifically, the present invention relates to providing...
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WO/2021/125861A2 |
In a double-oriented electrical steel sheet according to an embodiment of the present invention, the fraction of crystal grains having an orientation within 15° from ｛100｝<001> is 50-75%, and the fraction of crystal grains having an...
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WO/2021/125863A2 |
An annealing separator composition for a grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises a composite metal oxide comprising Mg and metal M, wherein M is at least one from among Be, C...
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WO/2021/125408A1 |
One aspect of the present invention is intended to provide a steel wire rod having excellent spheroidizing heat treatment properties, and a method for producing same. An embodiment of the present invention provides a steel wire rod havin...
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WO/2021/124203A1 |
The invention deals with a hot rolled and heat-treated steel sheet having a composition comprising, by weight percent C 0.12-0.25 % Mn 3.0-8.0 %, Si 0.70-1.50 %, Al 0.3-1.2 %, B 0.0002-0.004 %, S ≤ 0.010 %, P ≤ 0.020 % N < 0.008 %, t...
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WO/2021/125461A1 |
A hot stamping forming method enabling the formation of a component having a different strength at each part by controlling cooling by position according to the present invention is characterized by comprising the steps of: setting the r...
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WO/2021/122777A1 |
The invention relates to a method for surface hardening of a toothed drive component (1) made of a hardenable steel, wherein surface hardening occurs by means of partial heating of a plurality of regions (14) of the drive component (1). ...
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WO/2021/120391A1 |
A method for deformation correction after heat treatment of thin-wall gear ring part. A caliper is used to locate deformation points twice, and finally high-accuracy measurement is realized by means of a displacement sensor, thereby impr...
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WO/2021/123880A1 |
Cold-rolled and annealed steel sheet and manufacturing method The steel sheet has a composition comprising 0.060 % ≤ C ≤ 0.085 %, 1.8 % ≤ Mn ≤ 2.0%, 0.4% ≤ Cr ≤ 0.6%, 0.1 % ≤ Si ≤ 0.5 %, 0.010% ≤ Nb ≤ 0.025%, 3.42N ...
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WO/2021/126518A1 |
Example embodiments relate to alloys having high corrosion resistance and high wear resistance. In particular, example embodiments relate to an iron-based alloy including 20 wt% to 50 wt% Cr; 0 wt% to 15 wt% Mo; 0 wt% to 15 wt% W; 3 wt% ...
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WO/2021/124136A1 |
The invention deals with a cold rolled and heat-treated steel sheet having a composition comprising, by weight percent C: 0.12 - 0.25 % Mn: 3.0 - 8.0 %, Si: 0.70 - 1.50 %, Al: 0.3 - 1.2 %, B: 0.0002 - 0.004 %, S ≤ 0.010 %, P ≤ 0.020 ...
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WO/2021/123212A1 |
The present invention relates to a process for cooling a metal component (20), the process comprising the step of cooling said component (20) in a confined space (14), said cooling involving cooling by means of a gas, the gas being coole...
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WO/2021/123204A1 |
The present invention relates to a method of treating a sintered mining insert comprising cemented carbide wherein said mining insert is subjected to a surface hardening process, characterized in that the surface hardening process is exe...
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WO/2021/115508A1 |
The invention relates to a cross-field induction heating device for the induction heating of metal strip in a rolling mill. The device has a top inductor and a bottom inductor between which the metal strip to be heated is arranged. Each ...
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WO/2021/114536A1 |
The present invention relates to a steel for a ball screw bearing. The alloy composition in percentage by mass is C: 0.45 to 0.60%, Si: 0.15 to 0.40%, Mn: 0.50 to 0.80%, Cr: 0.15 to 0.40%, B: 0.002 to 0.006%, V: 0.02 to 0.07%, S ≤ 0.01...
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WO/2021/116582A1 |
The invention relates to a method for removing residues present on a metal strip at the outlet of a cooling stage of a continuous line, the residues being formed during a cooling of said metal strip by a non-oxidizing liquid solution for...
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WO/2021/116594A1 |
The invention relates to a method and a device for rapidly cooling a metal strip and removing residues present on the strip after this cooling, wherein the residues are formed during a cooling of said metal strip by a non-oxidizing liqui...
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WO/2021/114394A1 |
A technology of cooling with an oil medium and isothermal quenching with an oil or gas medium (SFPID). A heat treatment object continuously completes a heating procedure and a quenching procedure. A quenching process is performed in an o...
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WO/2021/105486A1 |
A method of hot press forming an article from a zinc or zinc alloy coated steel, wherein the steel is a product obtained by a method of making steel comprising the steps of: - casting the molten steel into slabs; - reheating the slabs, p...
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WO/2021/106086A1 |
The present invention provides: a steel which is suitable for the production of a bearing having excellent wear resistance and surface-originated flaking resistance; and a bearing using the steel. The steel according to the present inven...
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WO/2021/106998A1 |
Provided is a method for producing a Ni-based or Ti alloy product, the method being capable of locally increasing the cooling rate and performing effective cooling. This method for producing a Ni-based alloy or Ti alloy product includes ...
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