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WO/2022/215526A1 |
The present invention is provided with: a furnace atmosphere gas concentration detection device for detecting a hydrogen concentration or an ammonia concentration in a treatment furnace; a furnace nitriding potential calculation device f...
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WO/2022/213853A1 |
Disclosed is a non-oriented electrical steel plate, the content of the chemical elements thereof in mass percentage being as follows: 0
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WO/2022/205939A1 |
A hydrogen-induced-cracking-resistant pressure vessel steel plate with a thickness greater than 200-250 mm. The steel plate contains the following chemical components: C: 0.10-0.20%, Si: 0.15-0.40%, Mn: 0.95-1.35%, P: ≤0.005%, S: ≤0....
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WO/2022/207711A1 |
The present invention relates to a tool comprising a cemented carbide part and a steel part joined by brazing where the steel part has an average hardness of between 390 and 510 HV30. The braze joint comprises Ti and a TiC layer with a t...
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WO/2022/210795A1 |
Provided is a heat treatment oil having excellent thermal stability and with which it is possible to maintain luster for a long period. The heat treatment oil contains a base oil including a mineral oil (A). The mineral oil (A) has a kin...
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WO/2022/210125A1 |
Provided is a steel wire for a mechanical structural component, said steel wire containing 0.05 mass%-0.60 mass% of C, 0.005 mass%-0.50 mass% of Si, 0.30 mass%-1.20 mass% of Mn, more than 0 mass% but no more than 0.050 mass% of P, more t...
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WO/2022/207915A1 |
The present invention relates to a tube for transporting fluids in seawater. The tube has a tubular body formed of an alloy selected from duplex stainless steel, superduplex stainless steel, a ferritic steel, a martensitic steel or a nic...
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WO/2022/206911A1 |
Provided are a low-carbon low-alloy Q&P steel or hot-dip galvanized Q&P steel with a tensile strength greater than or equal to 1180 MPa, and a manufacturing method therefor. The steel comprises the chemical components by mass percent: C:...
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WO/2022/205926A1 |
Provided are an elastic rod and a production method therefor and a mattress with the elastic rod. The elastic rod is made of spring steel, stainless steel, aviation aluminum or an aluminum alloy and is provided with a relatively hard cor...
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WO/2022/210126A1 |
A steel wire for a machine structural component which contains predetermined contents of C, Si, Mn, P, S, Al, Cr, and N, respectively, and the balance iron and inevitable impurities, wherein when the total content (mass%) of Cr and Mn in...
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WO/2022/210878A1 |
A nitriding treatment method for a steel member, said method provided with at least three stages of nitriding treatment steps, the first nitriding treatment step through third nitriding treatment step being applied at a temperature of 50...
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WO/2022/210868A1 |
In heating step S101, a steel plate is heated and brought into an austenite state. In heating step S101, the entire area of the steel plate is uniformly heated to bring the entire area of the steel plate into the austenite state. In cool...
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WO/2022/207913A1 |
The invention relates to a steel strip made of a high-strength multiphase steel which has a tensile strength of at least 780 MPa in the longitudinal direction, the multiphase steel consisting of the following elements in % by weight: C â...
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WO/2022/210124A1 |
Provided is a steel wire for a machine structural component, the steel wire containing 0.05 mass% to 0.60 mass% C, 0.005 mass% to 0.50 mass% Si, 0.30 mass% to 1.20 mass% Mn, more than 0 mass% to at most 0.050 mass% P, more than 0 mass% t...
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WO/2022/199079A1 |
Disclosed are a 2000 MPa-grade ultrahigh-strength steel with a high uniform elongation, and a preparation method therefor, solving the bottleneck of the uniform elongation of an existing 2000 MPa-grade steel being difficult to reach up t...
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WO/2022/199075A1 |
The present invention relates to a thin specification NM450 steel plate, chemical components of said steel plate, in percentage by weight, being: C: 0.15-0.30, Si: 0.25-0.45, Mn: 0.80-1.20, Cr: 0.20-0.60, Mo: 0.10-0.50, Ni: 0.10-0.50, Al...
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WO/2022/201828A1 |
The main purpose of the present invention is to provide a carburizing gas supply system with which it is possible to reduce the carbon dioxide emission amount, to reduce the usage amount of new carburizing gas, and to supply an optimum g...
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WO/2022/202760A1 |
The present invention addresses the problem of providing: a novel magnetic material for high frequency use, the magnetic material solving problems such as eddy current loss since the magnetic material has higher electrical resistivity th...
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WO/2022/202922A1 |
In the present invention, a track wheel (10) has a surface (10c) coming into contact with a roller (20) that has a diameter of 1.5 mm to 4.0 mm and in which the value obtained by dividing the length by the diameter is 4 to 10. The track ...
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WO/2022/199113A1 |
Disclosed in the present invention is a non-quenched and tempered steel weather-resistant high-strength bolt, comprising the following chemical components in percentage by mass: 0.17-0.23% of C; Si≤0.30; 1.25-1.60 of Mn; P≤0.02; S≤...
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WO/2022/194770A1 |
The invention relates to a cooling line (1) for a profile cooling apparatus (31), comprising a cooling fluid supply line (2), in particular a water supply line, and a dispensing unit (3), wherein the dispensing unit (3) is fluidically co...
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WO/2022/195024A1 |
This invention relates to a steel strip, sheet or blank for producing hot-formed parts or a heat-treated pre-formed part, and to a method for hot-forming a steel blank or heat-treating a pre-formed part into an article and the use thereo...
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WO/2022/193587A1 |
Disclosed are a high-strength and high-toughness ultralow temperature impact resistant tubing head forge piece blank and a manufacturing method therefor. The high-strength and high-toughness ultralow-temperature impact-resistant tubing h...
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WO/2022/193206A1 |
A flexible clamping device, comprising a driving assembly (1), a first driving arm (2) and a second driving arm (3), and a plurality of floating clamp bodies (4). A first end of the first driving arm (2) and a first end of the second dri...
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WO/2022/196733A1 |
In this steel member, a steel sheet base material, which comprises, by mass%, 0.10 to 0.65% of C, 0.10 to 2.00% of Si, 0.30 to 3.00% of Mn, 0.050% or less of P, 0.0100% or less of S, 0.010% or less of N, 0.010% or less of O, 0 to 0.100% ...
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WO/2022/189606A1 |
The invention relates to a cold-rolled and hot-press formed steel product with excellent hole expandability and to a method of producing the hot-press formed steel product.
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WO/2022/191006A1 |
A method for manufacturing a steel sheet according to the present invention comprises a step for annealing a steel raw material having an Si content of 1.0 mass% or more and a Cr content of 1 mass% or less, under a condition satisfying: ...
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WO/2022/188942A1 |
The invention relates to a method for producing a multi-component sintered molded part, comprising the method steps of: introducing a first material into a first region of a mold, filling a powdery second material, which is different fro...
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WO/2022/191009A1 |
The present invention can provide a steel sheet for hot-dip galvanizing from which an alloyed hot-dip galvannealed steel sheet having a high Si content and suppressed alloying unevenness can be produced. The steel sheet for hot-dip galva...
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WO/2022/184565A1 |
The invention relates to a method for producing a semi-finished product with a modified surface, comprising at least one method step of modifying, at least in regions, the surface of a coated, skin-passed, oiled, cleaned metal steel subs...
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WO/2022/184580A1 |
The invention relates to a correspondingly cold-rolled flat steel product having a ferritic primary structure and a high tensile strength Rm, a high elongation at break A50 and a high hole widening ratio λ, and to a method for its produ...
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WO/2022/184545A1 |
The invention relates to a hot-dip coated steel substrate which is in the form of a strip or sheet and has a zinc-based metal coating and a modified surface, and to a method for producing a semi-finished product having a modified surface...
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WO/2022/184812A1 |
The present invention relates to a method of case hardening a Group IV metal or a Group IV metal alloy and to components hardened in the method. The method comprising the steps of: providing a workpiece of a Group IV metal or a Group IV ...
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WO/2022/183265A1 |
A martensitic steel, consisting of, in % in weight: C: 0.30 to 0.80%, Si: 2.50 to 4.50%, Mn: 1.00 to 2.50%, Al: 0.40 to 1.50%, Cr: 0.1 to 2.00%, V: 0.01 to 0.40%, Ti: 0.005 to 0.35%, and optionally one or more of Nb: less than 0.35%, Zr:...
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WO/2022/184811A1 |
The invention relates to a cold-rolled flat steel product, wherein the steel substrate thereof has a tensile strength of 750-940 MPa, a high strength, an improved weldability and optimized shaping properties and, at the same time, can be...
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WO/2022/176707A1 |
A martensitic stainless steel plate for a brake disk rotor, the plate being characterized by including prescribed components and having a precipitate with a particle diameter of 2 µm or less present in the parent phase at a density of 0...
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WO/2022/176397A1 |
A sliding member which has a configuration wherein a surface layer is formed in the outer surface region of a base material. The surface layer comprises a nitrided layer that contains iron nitride having a nitrogen concentration of 5.9% ...
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WO/2022/176984A1 |
This steel sheet for gas soft nitriding has a specific chemical composition and metal structure. When the sheet thickness is deemed to be t, the sheet width that is the width in the direction orthogonal to the rolling direction is deemed...
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WO/2022/176878A1 |
A nitriding method for a steel member that has at least two nitriding steps. The nitriding method for a steel member has: a first nitriding step in which a steel member is nitrided in a nitriding gas atmosphere that has a first nitriding...
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WO/2022/172763A1 |
This hot-stamped molded body has a prescribed chemical composition satisfying formula (1) and formula (2) and has a metal structure that includes at least 90% martensite by area, and a soft region occupies 5-25% by area of the martensite...
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WO/2022/167888A1 |
A manufacturing process of components (12, 13, 13') with spherical and hollow shape and defining at least one radially inner recess (12b, 13b) with respect to an outer surface (12a, 13a) of said spherical shape is described; the process ...
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WO/2022/167138A1 |
The invention relates to a method for laser-beam-hardening regions (A) of a clothing wire (10) that are to be hardened. The clothing wire (10) is moved, during this process, in a conveying direction through a work space (26). An inert ga...
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WO/2022/169838A1 |
Methods and apparatuses for obtaining bainite are disclosed. The method includes heating a metal component in a vacuum chamber of a vacuum furnace to raise an internal temperature of the metal component, transferring the metal component ...
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WO/2022/166155A1 |
Container crane wheel steel, a wheel and a preparation method therefor. By means of designing chemical components of the container crane wheel steel and adding a post-forging preparatory heat treatment between forging forming and rough m...
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WO/2022/167847A1 |
The present disclosure discloses a method for producing high strength hot rolled steel. The method includes casting a steel slab of a composition, comprising in weight%: carbon (C) of about 0.45 wt.% – 1.2 wt.%, manganese (Mn) of about...
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WO/2022/160465A1 |
The present invention belongs to the field of amorphous alloys, and in particular relates to a method for calibrating the internal temperature field when preparing an amorphous alloy by using spark plasma sintering (SPS). First, a temper...
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WO/2022/160792A1 |
The present invention relates to a cold rolling annealing furnace waste hydrogen recycling system, comprising a waste hydrogen treatment pipeline connected to an annealing furnace. A pretreatment tower, a waste hydrogen compressor, a pre...
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WO/2022/160536A1 |
The present invention relates to steel for inner raceway of a constant velocity universal joint and a production method therefor. The steel comprises the following chemical components in percentage by weight (wt%): 0.15-0.25% of C, 0.01-...
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WO/2022/163614A1 |
The purpose of the present invention is to provide hot forming in which there is no risk of cracking and in which usage is possible with a satisfactory flexural performance. The present invention has: an unwinding and blanking device pro...
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WO/2022/163044A1 |
Provided are: a metal sheet quench-hardening apparatus and a metal sheet quench-hardening method, whereby it becomes possible to prevent the deterioration in shape of a metal sheet which may occur during quench-hardening; and a steel she...
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