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WO/2022/079988A1 |
Provided are: a high-strength cold rolled steel sheet that has a tensile strength (TS) of 1080 MPa or more and that has excellent ductility, stretch flange formability, and bendability; and a method for manufacturing said steel sheet. ...
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WO/2022/079970A1 |
This hot-dip galvanized steel sheet comprises a steel sheet, a boundary layer disposed on the steel sheet, and a hot-dip galvanized layer disposed on the boundary layer, said steel sheet having a predetermined chemical composition, where...
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WO/2022/075406A1 |
The present invention provides a martensitic stainless steel material which has high strength and excellent SSC resistance. A martensitic stainless steel material according to the present disclosure contains, in mass%, 0.030% or less of ...
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WO/2022/073721A1 |
The invention relates to a hood-type annealing furnace (1) for annealing annealing material, having at least one base (2), which has at least one site (3, 4, 5, 6) on which the at least one batch of annealing material is able to be arran...
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WO/2022/075405A1 |
Provided is a martensite-based stainless steel material which exhibits high strength and excellent SSC resistance. This martensite-based stainless steel material contains, in terms of mass%, not more than 0.030% of C, 5.05-7.50% of Ni, 1...
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WO/2022/075027A1 |
Provided are an electric resistance welded steel pipe and a method for manufacturing the same. The present invention is an electric resistance welded steel pipe having a base material section and a welded section, wherein: the steel stru...
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WO/2022/076159A1 |
A track pin (80, 180) for a track chain assembly (16) includes a body (120, 220) made from a steel alloy. The steel alloy has a composition comprising iron, a nitride-forming element, a carbide-forming element, and silicon. The compositi...
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WO/2022/075072A1 |
A high-strength cold-rolled steel sheet according to one aspect of the present invention contains from 0.070% by mass to 0.140% by mass of C, from 0.80% by mass to 1.80% by mass of Si and from 1.80% by mass to 2.80% by mass of Mn, with t...
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WO/2022/067625A1 |
The present invention relates to a continuous takt type heat treatment furnace for a bar, comprising a furnace body, a one-by-one bar feeding system, and a one-by-one bar discharging system. A plurality of heat treatment rails parallel t...
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WO/2022/070636A1 |
A steel plate according to the present embodiment is such that: the Ti content and N content satisfy Ti - 3.5 × N ≥ 0.003; a metal structure includes 90% or more martensite, in terms of volume fraction, at a 1/4 plate thickness positi...
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WO/2022/071420A1 |
Provided is a steel material that has excellent cutability, has excellent bending fatigue strength and surface fatigue strength even after being subjected to gas carburizing treatment or the like, and can suppress heat-treatment deformat...
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WO/2022/067624A1 |
The present invention relates to a continuous beat push heat treatment process of bars, comprising the following steps: 1) a bar by bar feeding process; 2) a bar by bar heating process, which enables the bars to freely roll from the top ...
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WO/2022/071262A1 |
Provided is a railway axle (1) having fitting parts (2) in which fitting fatigue is minimized, and a central parallel part (3) exhibiting an excellent fatigue strength. The railway axle (1) according to the present disclosure comprises: ...
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WO/2022/071419A1 |
Provided is a steel material that has excellent machinability, that has excellent bending fatigue strength and surface fatigue strength even after having a vacuum carburization process or the like performed thereon, and that can suppress...
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WO/2022/067620A1 |
A bar material discharging system (C) of a continuous beat-type heat treatment furnace (A), comprising a blocking module (1) provided at the tail end of each heat treatment rail (G) to block the movement of bar materials (P), two or more...
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WO/2022/069889A1 |
A demountable wire carrier (100) is for supporting loops of wire W and comprises a lower end-stop (110), an upper end-stop (120) and a plurality of frame members (130) extending between (10) the end-stops. The carrier is shown standing i...
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WO/2022/070608A1 |
This steel sheet has a predetermined chemical composition. At a 1/4 depth position of the sheet thickness from the surface, the area percentage of GAM0.5-1.7 is 50-100%, the area percentage of GAM>1.7 is 0-20%, the area percentage of GAM...
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WO/2022/071305A1 |
A steel sheet according to one embodiment of the present invention has a specific chemical component; the metal structure thereof at 1/4 the sheet thickness contains, in terms of volume fractions, a total of 50% or more of martensite and...
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WO/2022/070840A1 |
A high-strength steel sheet according to the present invention includes prescribed chemical components wherein, in the range of 1/10 of the sheet thickness in the thickness direction from the surface thereof, the average pole density of ...
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WO/2022/069072A1 |
The present invention refers to a method for repairing a component (14), in particular a component of an internal combustion engine (10), by heat treating, in particular tempering. The method comprises a step (S2) of obtaining a material...
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WO/2022/065200A1 |
This bearing component (10) is made of steel, and has a quench-hardened layer (11) at a surface thereof. The quench-hardened layer contains a plurality of martensite crystal grains. The martensite crystal grains are divided into a first ...
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WO/2022/064149A1 |
Direct flame preheating section for continuous metal strip processing lines (B), comprising a connecting zone between an active zone (14) provided with burners capable of functioning in 'no flame' mode and a recuperative zone (11) for pr...
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WO/2022/062727A1 |
The present invention discloses a preparation method for motor shell aluminum profile, comprising: preparing raw materials in proportion, obtaining an aluminum ingot after smelting and casting, homogenizing and pressing the aluminum ingo...
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WO/2022/064249A1 |
A steel for leaf spring comprising of the following elements 0.4% ≦ C ≦ 0.7 %; 0.5% ≦ Mn ≦1.5 %;1% ≦ Si ≦ 2.5 %; 0.001% ≦ Al ≦ 0.1%; 0.1% ≦ Ni ≦ 1%;0.2% ≦ Cr ≦ 1.5 %; 0 ≦ P ≦ 0.09%; 0 ≦ S ≦ 0.09%; 0% ≦ N...
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WO/2022/065425A1 |
Provided is a crankshaft that has excellent seizing resistance. A crankshaft (10) comprises journals (11) and pins (12), wherein: the chemical composition in mass percent is C at 0.35-0.40%, Si at 0.70% or less, Mn at 1.00-2:00%, Cr at 0...
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WO/2022/064248A1 |
A cold rolled and coated steel sheet, the steel comprising 0.30% ≤ carbon ≤ 0.45%, 1% ≤ manganese ≤ 2.5%, 0.9% ≤ silicon ≤ 2.2%, 0% ≤ aluminum ≤0.09%, 0.001%≤ niobium ≤ 0.09%, 0%≤ phosphorus ≤ 0.02%, 0%≤ sulfur ...
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WO/2022/064643A1 |
Provided is a highly corrosion-resistant stainless steel member which is made from a martensitic stainless steel, does not contain ferrite in a surface layer part thereof, and has both of high corrosion resistance and high hardness. Th...
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WO/2022/059321A1 |
This steel sheet for hot stamping has the desired chemical composition, and in the metal structure thereof, the pole density in the [112]<110> orientation of a central section in the sheet thickness direction is more than 3.0, ferrite co...
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WO/2022/059385A1 |
In this stub shaft, a shaft section connected to a flange section has a first outer-diameter part and a second outer-diameter part having a diameter smaller than the first outer-diameter part, and when, in a cross-section passing through...
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WO/2022/059320A1 |
This steel sheet for hot stamping has a prescribed chemical composition, and in the metal composition, the pole density of the {112}<110> direction in the plate thickness center exceeds 4.0, ferrite is greater than or equal to 50% by are...
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WO/2022/058461A2 |
The invention relates to a method for producing three-dimensional magnetic shields having sufficient permeability from unannealed, soft-annealed or magnetically annealed magnetically soft metal sheets, wherein the metal sheet is cold for...
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WO/2022/059424A1 |
This heating device is for heating a metal material to be shaped, and is provided with a heating unit for heating the metal material by means of electric heating. A zinc-containing plating layer is formed on the metal material. The heati...
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WO/2022/058531A1 |
The invention relates to a sheet metal component which is made of a hot-formed flat steel product comprising a steel substrate which consists of, in mass.%, C: 0.1 - 0.4 %, Mn: 0.5 - 3.0 %, Si: 0.05 - 0.5 %, Cr: 0.005 - 1.0 %, B: 0.0005 ...
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WO/2022/054559A1 |
A hearth roll 100 according to the present invention and capable of suppressing buildup while being provided with a compact and durable coating film on the outer surface thereof, the surface of said hearth roll 100 being coated with an u...
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WO/2021/039971A9 |
This hot-stamped article comprises a steel base material, a plating layer that is formed on the surface of the base material, and a chemical conversion coating that is formed on the surface of the plating layer. The chemical composition ...
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WO/2022/053103A1 |
The invention relates to a method for producing a chain element (2, 3), comprising the following steps: - providing a component made of steel and having a carbon content in the range from 0.3 to 0.7% by weight; - austenitizing the compon...
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WO/2022/054499A1 |
Provided are: a steel strip from which material quality information can be provided with high accuracy; and a method for producing the same. A steel strip (9) includes a medium for providing material quality information that includes mat...
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WO/2022/053353A1 |
The invention relates to a nickel-based alloy material. The nickel-based alloy material consists of in percent by weight: Chromium: 20.00 to 22.50 %, Molybdenum: 11.50 to 14.50 %, Iron: 2.00 to 6.00 %, Copper: 2.10 to 6.00 %, Tungsten: 2...
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WO/2022/053482A1 |
The present application relates to an installation (1) and a method for the continuous casting and subsequent rolling flat of a steel strip (2) with an austenitic and/or ferritic microstructure and a thickness of less than 1.0 mm, compri...
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WO/2022/054221A1 |
Provided is a steel sheet which has a chemical composition containing, in mass%, more than 0.10% and less than 0.55% of C, 0.001% or more and less than 3.50% of Si, more than 4.00% and less than 9.00% of Mn, 0.001% or more and less than ...
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WO/2022/056044A1 |
Disclosed is a temporary and mobile apparatus and methods for manufacturing welded products, including pressure vessels, wherein heating and/or cooling is to be applied to substrate material of the weld site. Certain embodiments include ...
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WO/2022/048822A1 |
A steel cord comprises two or more steel wires that are twisted together, the steel wires have a carbon content of more than 0.70% in weight, at least one of the steel wires has a diffusible hydrogen amount from 0.001 ppm to 0.35 ppm and...
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WO/2022/050501A1 |
The present invention provides: a material for hot stamping, which is capable of securing excellent mechanical properties and hydrogen delayed fracture properties of hot-stamped parts; and a method for manufacturing same, the material tr...
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WO/2021/039973A9 |
This hot stamp molded body is provided with a base material, a plating layer formed on the surface of the base material, and an oxide film formed on the surface of the plating layer, wherein: the plating layer has a chemical composition ...
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WO/2022/050500A1 |
The present invention provides: a material for hot stamping, whereby excellent mechanical properties and hydrogen delayed fracture properties can be achieved in hot stamping parts; and a method for manufacturing same. The material for ho...
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WO/2022/050536A1 |
The present invention provides a hot stamping material and a production method therefor, whereby excellent mechanical properties and hydrogen delayed fracture properties of a hot-stamped component may be secured, the hot stamping materia...
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WO/2022/050538A1 |
The present invention relates to a laser apparatus using optical fibers for stable laser welding and a laser welding method using same. Hybrid ring mode-shaped laser beams, in which a central beam using fiber laser is positioned at the c...
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WO/2022/049037A1 |
In a thermal or thermochemical treatment, annular metal workpieces together with a metal guide are arranged on a batch carrier. The fluid guide ensures a uniform cooling of an inner and/or outer lateral surface of the workpieces during t...
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WO/2022/049859A1 |
Provided are a steel strip absorbed hydrogen amount prediction method for predicting an absorbed hydrogen amount in a steel strip with high accuracy, a generation method of an absorbed hydrogen amount prediction model, and an absorbed hy...
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WO/2022/049282A1 |
The invention relates to a hot-rolled flat steel product, which consists of a steel comprising 0.03-0.65 wt.% carbon, 0.1-2.5 wt.% manganese, optional elements, the rest being iron and unavoidable impurities. The flat steel product has a...
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