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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/2022/210219A1 |
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/2022/210878A1 |
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/2022/209306A1 |
Disclosed in a steel sheet that makes it possible to reduce damage to a mold during cold pressing, that has a predetermined chemical composition and steel structure, and wherein a plurality of steps having a height difference exceeding 5...
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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/2022/209838A1 |
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.ã...
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WO/2022/206912A1 |
A low-carbon low-alloy TRIP steel or hot-dip galvanized TRIP steel having a tensile strength greater than or equal to 980 MPa, comprising the following chemical components in percentage by mass: C: 0.17-0.25%, Si: 1.1-2.0%, Mn: 1.6-2.4%,...
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WO/2022/210947A1 |
This non-oriented electromagnetic steel sheet comprises a parent-material steel sheet (10) and an insulating film (20) formed on the surface of the parent-material steel sheet (10). The insulating film (20) contains a metal phosphate and...
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WO/2022/209519A1 |
Provided is a steel sheet having a tensile strength of 1310 MPa or higher, the steel sheet enabling excellent press moldability in steel having mainly a martensitic structure having excellent delayed fracture resistance. The steel sheet ...
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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 â...
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WO/2022/209522A1 |
The present invention addresses the problem of providing a clad steel sheet which has a tensile strength (TS) of 780 MPa or more and which has excellent ductility, bendability, collision resistance properties and LME resistance propertie...
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WO/2022/209521A1 |
Provided is a clad steel plate that has a tensile strength (TS) of at least 780 MPa and has excellent bendability, collision resistance properties, and LME resistance properties. According to the present invention, a clad steel plate has...
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WO/2022/209568A1 |
The present invention provides a crankshaft having superior fatigue strength. A crankshaft 10 includes journals 11, pins 12, and fillets 14, wherein each fillet 14 has a residual stress distribution in which the residual stress in a regi...
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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/2022/209466A1 |
A method for producing an R-T-B-based sintered magnet according to the present disclosure comprises a sintering step for sintering a shaped product of R-T-B-based alloy powder. This sintering step includes: a first stage step for heating...
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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/2022/210890A1 |
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/2022/202020A1 |
This steel sheet has a predetermined chemical composition, and has, at a t/4-position which is a position at a distance of t/4 from the surface in a sheet thickness direction cross section when the sheet thickness is defined as t, a meta...
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WO/2022/199948A1 |
The invention relates to a heating device (1), in particular an in-line furnace, for heating electrically conductive rod-shaped workpieces (13), in particular metal rods and/or non-iron metal rods, which can be conveyed along a conveyor ...
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WO/2022/202507A1 |
This stainless steel material has an ε-Cu phase exposed on the surface. The ε-Cu phase in the surface of the stainless steel material has an area fraction of 0.1-4.0%, an average particle size of 10-300 nm, and a maximum inter-particle...
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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/2022/202922A1 |
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/2022/202716A1 |
Provided is a galvanized steel sheet having a tensile strength of 980 MPa or above, a high YS, and excellent ductility, work-hardening property, and hole-widening property. In the present invention: a base steel sheet has a prescribed co...
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WO/2022/201686A1 |
The present invention provides a method for producing an annealed and pickled steel sheet, the method enabling continuous and stable production of an annealed and pickled steel sheet that has excellent chemical conversion properties, exc...
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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/2022/202023A1 |
This steel plate has a prescribed chemical composition. When the plate thickness is represented by t, the metal structure at the t/4 position, which is at t/4 from the surface in a plate-thickness-direction cross-section, contains at lea...
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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/2022/202107A1 |
Provided is a galvanized steel sheet having high strength, specifically, a tensile strength of at least 1150 MPa, and excellent resistance spot welding properties. A base steel sheet is given a prescribed component composition, the amoun...
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WO/2022/202108A1 |
Provided is a galvanized steel sheet having high strength, specifically, a tensile strength of at least 1160 MPa, and excellent resistance spot welding properties. The component composition of a base steel sheet is made to contain 0.02% ...
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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/2022/196196A1 |
Provided are a high-strength duplex stainless steel pipe having an excellent wear resistance or dent resistance on the inner and outer surfaces of a steel pipe, and a method for manufacturing the same.　The present invention has a compo...
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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/2022/193587A1 |
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/2022/196800A1 |
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 ï¼³tot, the area of grains in the (...
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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/2022/196704A1 |
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/2022/191085A1 |
The present invention provides a martensitic stainless steel sheet characterized in that: the martensitic stainless steel sheet has a steel composition of, by mass, 0.30 to 0.60% of C, 0.05 to 1.00% of Si, 0.10 to 1.50% of Mn, 11.0 to 15...
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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/2022/192839A1 |
A method (100) of making a forged, martensitic, stainless steel alloy is provided. The alloy is a forged preform of martensitic, pitting corrosion resistant stainless steel alloy comprising, by weight: 12.0 to 16.0 percent chromium; grea...
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WO/2022/190814A1 |
The present invention pertains to an Fe-Ni alloy containing 0.001-0.2 mass% of C, 0.001-0.2 mass% of Si, 0.005-0.7 mass% of Mn, 30.0-45.0 mass% of Ni, 0.3 mass% or less of Cr, 0.001-0.1 mass% of Al, 0.001-0.020 mass% of Ti, 0.007 mass% o...
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WO/2022/190813A1 |
The present invention pertains to an Fe-Ni alloy comprising 0.001-0.2 mass% of C, 0.001-0.30 mass% of Si, 0.005-0.7 mass% of Mn, 30.0-45.0 mass% of Ni, 0.30 mass% or less of Cr, 0.001-0.1 mass% of Al, 0.020 mass% or less of Ti, 0.0050 ma...
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WO/2022/190441A1 |
This hot work tool steel has a composition containing 0.38 to 0.45 mass% of C, 0.50 mass% or less of Si, 0.37 to 1.00 mass% of Mn, 4.30 to 5.50 mass% of Cr, 0.11 to 0.20 mass% of Ni, 1.5 to 3.2 mass% of Mo+(1/2)W, 0.49 to 0.62 mass% of V...
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