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WO/2022/210220A1 |
Provided is a hot-rolled steel sheet having excellent stretch-flangeability. The hot-rolled steel sheet has a component composition containing, in terms of mass%, 0.10% or less of C, 2.0% or less of Si, 2.0% or less of Mn, 0.100% or le...
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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/2022/211001A1 |
The purpose of the present invention is to provide a magnesium oxide which is for an annealing separating agent and which is used for obtaining a grain-oriented electrical steel sheet having excellent coating characteristics. The magne...
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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/2022/211007A1 |
This non-oriented electrical steel sheet has a chemical composition likely generating the α-γ transformation, and contains, by mass, at least 0.010% or less C, 1.50%-4.00% Si, 0.0001%-1.0% sol.Al, 0.010% or less S, 0.010% or less N, an...
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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/2022/210503A1 |
Proposed is a method for producing a grain-oriented electrical steel sheet having a low iron loss and a high magnetic flux density, by using a steel material that contains no inhibitor-forming components. The present invention involves: ...
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WO/2022/210867A1 |
This non-oriented electrical steel sheet comprises a silicon steel plate as a base material. The silicon steel plate has a predetermined mechanical property according to a direction with respect to a rolling direction, and the difference...
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WO/2022/211016A1 |
A non-oriented electromagnetic steel sheet according to the present invention has a chemical composition with which α-γ transformation can occur and which contains at least, in terms of mass%, at most 0.010% of C, 1.50-4.00% of Si, 0.0...
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WO/2022/210998A1 |
This non-oriented electric steel sheet has a chemical composition likely generating the α-y transformation, and contains by mass at least 0.010% or less C, 1.50%-4.00% Si, 0.0001%-1.0% sol.Al, 0.010% or less S, 0.010% or less N, 0.0005%...
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WO/2022/210219A1 |
To provide a high-strength hot-rolled steel sheet that is highly effective in suppressing wrinkle generation and cracking during bending. The high-strength hot-rolled steel sheet has a component composition containing, in terms of mass...
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WO/2022/210864A1 |
The base material of this non-oriented electromagnetic steel sheet has a chemical composition that includes 3.2–4.5 mass% of Si, the tensile strength of the non-oriented electromagnetic steel sheet is at least 550 MPa, and the ratio (P...
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WO/2022/209839A1 |
The purpose of the present invention is to provide a high-strength steel sheet having tensile strength, press formability, and bendability, and to provide a method for manufacturing the same. The high-strength steel sheet has a predete...
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WO/2022/210530A1 |
Provided is a non-oriented electromagnetic steel sheet that is characterized by having a prescribed chemical composition. The non-oriented electromagnetic steel sheet is also characterized in that, in a cross-section that is parallel to ...
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WO/2022/206915A1 |
A low-carbon, low-alloy and high-formability dual-phase steel having a tensile strength of greater than or equal to 590 MPa, a hot-dip galvanized dual-phase steel, and a manufacturing method therefor by means of rapid heat treatment. The...
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WO/2022/211053A1 |
A non-oriented electric steel sheet characterized in that, in a cross section in the plate thickness direction of a base material, the number density N2-5 of precipitates having an equivalent circle diameter of 50-500 nm present in a ran...
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WO/2022/206916A1 |
A hot-dipped aluminum-zinc or zinc-aluminum-magnesium multiphase steel having a yield strength of greater than or equal to 450 MPa and a rapid heat-treatment hot plating manufacturing method therefor. The steel comprises the following co...
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WO/2022/206917A1 |
A high-formability hot galvanized aluminum-zinc or hot galvanized aluminum-magnesium dual-phase steel having a tensile strength of ≥590 MPa and a rapid heat treatment hot dipping fabrication method, the steel comprising the following c...
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WO/2022/210870A1 |
This non-oriented electromagnetic steel sheet satisfies the condition that, in a cross-section parallel to the surface of the steel sheet, the surface area ratio of crystal grains having a crystal-grain diameter of less than 200μｍ is ...
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WO/2022/209838A1 |
The purpose of the present invention is to provide a high-strength steel sheet having a tensile strength of at least 980 MPa, press formability, and fatigue resistance characteristics, and to provide a method for manufacturing the same....
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WO/2022/206913A1 |
A low-carbon and low-alloy dual-phase steel and hot-dip galvanized dual-phase steel having tensile strength greater than or equal to 980 MPa and a method for manufacturing by means of rapid heat treatment. The steel has the following che...
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WO/2022/210504A1 |
Provided is a method for manufacturing a grain-oriented electromagnetic steel sheet having low iron loss and high magnetic flux density by using a steel material containing an inhibitor-forming component. A grain-oriented electromagnetic...
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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 ...
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WO/2022/210955A1 |
This rotating electric machine is characterized by having a stator, a rotor, and a case accommodating the stator and the rotor, wherein a stator core material has a {111} <211> orientation strength (A) of 2 to 30, a rotor core material h...
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WO/2022/210651A1 |
Provided is a duplex stainless steel wire rod having a long diameter of 1 μm or more and an inclusion containing one or more selected from S and O, wherein: the chemical composition contains 0.005-0.10 mass% of C, 0.2-2.0 mass% of Si, 6...
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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/2022/208568A1 |
Apparatus (10) for rolling a metal product (P), initially in the form of wire rod with an initial thickness (Si), to produce a metal wire with a final thickness (Sf). Said rolling apparatus (10) comprises a plurality of rolling units (11...
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WO/2022/210871A1 |
The non-oriented electromagnetic steel sheet according to an embodiment of the present invention comprises a base steel sheet and a composite coating film of a Zn-containing phosphate and an organic resin that is formed on a surface of t...
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WO/2022/209293A1 |
The purpose of the present invention is to provide a method for manufacturing a high-hardness high-quality rail by using a simple cooling method, irrespective of fluctuations in temperature in a longitudinal direction of the rail prior t...
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WO/2022/207009A1 |
The present invention provides a medium-carbon boron-containing steel. The chemical components of the medium-carbon boron-containing steel are as follows in mass percentage: 0.37-0.45% of C; 0.17-0.37% of Si; 0.60-0.90% of Mn; 0.020-0.06...
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WO/2022/210895A1 |
This rotating electric machine includes a stator, a rotor, and a housing that houses the stator and rotor, wherein at least one of the following conditions 1 and 2 is satisfied. Condition 1. The thermal conductivity A of a non-oriented e...
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WO/2022/210890A1 |
This non-oriented electromagnetic steel sheet contains a predetermined chemical composition and has a tensile strength of at least 580 MPa, wherein: the average crystal grain diameter of ferrite in a recrystallization part is at most 50 ...
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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/2022/203088A1 |
This grain-oriented electromagnetic steel sheet comprises a base steel sheet, a glass coating formed on the base steel sheet, and a tension-imparting insulating coating formed on the glass coating, wherein: multiple linear distortion reg...
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WO/2022/202913A1 |
Provided is a martensite stainless steel material which exhibits both high yield strength and excellent SSC resistance. This martensite stainless steel material comprises, in terms of mass%, C: 0.030% or less; Si: 1.00% or less; Mn: 1.00...
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WO/2022/203087A1 |
This grain-oriented electromagnetic steel sheet is provided with a base steel sheet, a glass coating film formed on the base steel sheet, and a tension-imparted insulating coating film formed on the glass coating film, in which the base ...
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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/2022/201381A1 |
Provided is a steel material with which it is possible to inhibit roughening of the surface after a shaving process. The steel material according to the present embodiment has a chemical composition containing, by mass, 0.50 to 0.80% of ...
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WO/2022/203089A1 |
This directional electromagnetic steel sheet comprises a base steel sheet having a prescribed chemical composition, a glass coating formed on the base steel sheet, and a tension-imparting insulation coating formed on the glass coating. A...
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WO/2022/196807A1 |
This non-oriented electromagnetic steel sheet has a prescribed chemical composition, and under observation by means of EBSD in a plane parallel to the surface of the steel sheet, when the entire surface area is Stot, the surface area of ...
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WO/2022/194467A1 |
The invention relates to a cold-rolling installation (1) for generating a metal strip (2) from steel grades that are sensitive to edge cracks, and a corresponding method for cold-rolling a metal strip from steel. The cold-rolling install...
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WO/2022/196655A1 |
The present invention proposes an annealing separator which enables a steel sheet to retain a good coil shape after annealing if the steel sheet is wound into a coil shape after being coated with this annealing separator, and subsequentl...
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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/2022/196498A1 |
Duplex stainless steel which has: a chemical composition comprising, by mass%, 0.10% or less of C, 3.0% or less of Si, 8.0% or less of Mn, 0.040% or less of P, 0.020% or less of S, 20.0 to 38.0% of Cr, 3.00 to 12.00% of Ni, 1.0 to 6.5% o...
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WO/2022/196800A1 |
This non-oriented electromagnetic steel sheet has a prescribed chemical composition, wherein one or more particles formed from a precipitate of one or more kinds of sulfides or oxysulfides selected from the group consisting of Mg, Ca, Sr...
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WO/2022/196805A1 |
This non-directional electromagnetic steel sheet has a prescribed chemical composition, and when, upon observing by EBSD in a plane parallel to the steel sheet surface, the total area is represented by Ｓtot, the area of grains in the (...
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WO/2022/196704A1 |
Proposed is a method for improving film adhesiveness when performing a magnetic domain subdivision treatment. According to the present invention, the concentration of Mn+Fe in a ceramic underlying film in an oriented electromagnetic stee...
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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/2022/191327A1 |
This grain-oriented electrical steel sheet has on the surface a finish-annealed coating predominantly composed of forsterite and an insulation coating containing pseudo-tetragonal crystalline aluminum borate and silica, and one or both s...
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