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Matches 1 - 50 out of 64,845

Document Document Title
WO/2020/189253A1
The present invention addresses the problem of providing a ball screw having enhanced durability and a structure whereby a screw shaft and a nut satisfy the required performance, a method for manufacturing the same, and a power steering ...  
WO/2020/189767A1
This hot stamp molded body has a predetermined chemical composition, the average grain diameter of old austenite grains in a micro structure is 5.0 μm or less, and the average concentration of Mn in grain boundaries of the old austenite...  
WO/2020/188783A1
A non-oriented electromagnetic steel sheet is provided with a silicon steel sheet and an insulating coating film. The silicon steel sheet has a component composition comprising Si, Al and Mn and has such a property that the texture accum...  
WO/2020/187419A1
The invention relates to a method for producing a hot-rolled flat steel product with different properties. The invention additionally relates to a hot-rolled flat steel product with different properties and to the use of the hot-rolled f...  
WO/2020/189232A1
This rail has a prescribed chemical composition and at least 90 area% of the metal composition in a cross-section of a rail pillar section thereof is a pearlite composition. The minimum value for the hardness of the cross-section of the ...  
WO/2020/189349A1
Provided is method for producing a rail that can reduce bending of the rail in the height direction before correction, in the producing of ordinary rails specified in JIS E 1101. A method for producing a rail according to the present dis...  
WO/2020/189097A1
Provided is an electric resistance welded steel pipe for hollow stabilizers, which has excellent corrosion fatigue resistance properties. An electric resistance welded steel pipe for hollow stabilizers, which has a component compositio...  
WO/2020/189672A1
A base material for clad steel according to an embodiment of the present invention is characterized by having a composition containing, in terms of mass%, 0.04-0.10% C, 0.10-0.30% Si, 1.30-1.60% Mn, no more than 0.015% P, no more than 0....  
WO/2020/189530A1
A steel sheet having the following chemical composition in mass%: C: greater than 0.10% and less than 0.55%, Si: at least 0.001% and less than 3.50%, Mn: greater than 4.00% and less than 9.00%, sil.Al: at least 0.001% and less than 3.00%...  
WO/2020/189761A1
A hot-stamp-molded article has a specified chemical composition and has a micro-structure comprising 90 to 100% by area of martensite and 0 to 10% by area of a residual structure. In the micro-structure, a region in which the average GAI...  
WO/2020/184372A1
The hot-rolled steel sheet according to the present invention contains as chemical components, in mass%, 0.030-0.250% of C, 0.05-2.50% of Si, 1.00-4.00% of Mn, 0.001-2.000% of sol. Al, 0.100% or less of P, 0.0200% or less of S, 0.01000% ...  
WO/2020/184154A1
To provide a high-strength steel sheet which has excellent ductility, stretch-flange formability, bendability, and LME resistance, from which a component can be manufactured with high dimensional precision, and which has a tensile streng...  
WO/2020/184055A1
Provided is a hot press member having excellent indentation peel strength. The hot press member has a tensile strength of 1780 MPa or more. According to the present invention, a plating layer has at a surface thereof a 10-point average r...  
WO/2020/080553A9
A hot-rolled steel sheet has a specified chemical composition, wherein, when the thickness of the steel sheet is defined as "t", a metallographic structure lying between a surface of the steel sheet and a depth t/4 from the surface in th...  
WO/2020/184683A1
A steel sheet that has a chemical composition that is, by mass%, 0.050%–0.200% C, 0.100%–1.000% Si, 0.50%–2.00% Mn, no more than 0.030% P, no more than 0.010% S, 0.002%–0.050% Al, 0.0010%–0.0060% N, 0.0005%–0.0060% O, 0.003%...  
WO/2020/184356A1
A hot-rolled steel sheet according to the present invention has a predetermined chemical composition, wherein: when height profiles of the surface of the steel sheet are respectively measured in five measurement ranges in the rolling dir...  
WO/2020/179800A1
Provided is a crankshaft of superior seizing resistance. The chemical composition of the crankshaft, expressed in mass%, is C: 0.35–0.50%, Si: 0.55% or less, Mn: 0.01–0.55%, Cr: 0.10–0.50%, P: 0.03% or less, S: 0.10% or less, Mo: 0...  
WO/2020/178943A1
An electric resistance welded steel pipe for line pipes, in which a matrix part has a chemical composition comprising, in % by mass, 0.03 to 0.10% of C, 0.03 to 0.60% of Si, 0.30 to 1.60% of Mn, 0.010 to 0.200% of Ti, 0.005 to 0.500% of ...  
WO/2020/179883A1
This car body structure has: a skeleton member having a first top plate part, a corner part, a vertical wall part, and a second top plate part; and a first support part and a second support part that are provided to the second top plate ...  
WO/2020/179295A1
This hot-rolled steel sheet has a prescribed chemical composition and is configured so that: in a metal structure, residual austenite constitutes 3.0% or more in terms of area%; L52/L7, which is the ratio of the length L52 of the grain b...  
WO/2020/178655A1
Furnace (1) with movable beam load handling system, in particular for heating or heat treatment of ferrous or non-ferrous metallic material (M), comprising : a furnace chamber (2) extending between a furnace-loading section (2a) and a fu...  
WO/2020/179292A1
This hot rolled steel sheet has a predetermined chemical composition, wherein, in the metal structure of the steel sheet, the area% of retained austenite is 3.0% or more, L52/L7 is 0.10-0.18, which is the ratio of a length L52 of a grain...  
WO/2020/179737A1
Provided is a hot-rolled steel sheet having a predetermined chemical composition and having a metal structure including, in area percentage, 90-100% of pearlite, 0-10% of pseudo-pearlite, and 0-1% of pro-eutectoid ferrite, wherein the av...  
WO/2020/179387A1
A hot rolled steel sheet with high strength and excellent energy absorption capacity during collision and with excellent hydrogen embrittlement resistance and punchability, and a production method thereof, are provided. This hot rolled s...  
WO/2020/174805A1
The purpose of the present invention is to provide a high-strength steel sheet having 980 MPa or greater tensile strength and excellent formability, and a manufacturing method thereof. This high-strength steel sheet with excellent formab...  
WO/2020/175486A1
The present invention improves stretch-flange formability of a steel sheet by an individual process according to the material of each of the steel sheets without performing a heating process in a mold. This method for manufacturing a ste...  
WO/2020/173738A1
The present invention relates to a strip flotation furnace (100) for controlling the temperature of a metal strip (101). The strip flotation furnace (100) has a flotation nozzle bar (110), which extends through the strip flotation furnac...  
WO/2020/175670A1
The present invention provides a slow-cooling cover for a slab and a cooling method which are capable of cooling a slab while suppressing the occurrence of cracking in the slab for which it is difficult to maintain a high temperature and...  
WO/2020/176163A1
A razor blade has a first and a second portion. The first portion has a cutting edge at an exterior end and is angled relative to the second portion by a bending process. A bent region that can be arcuate is intermediate the first and se...  
WO/2020/175665A1
The present invention addresses the problem of providing: a steel sheet and a member which have excellent cold workability and quenching properties, and have excellent surface hardness after quenching; and methods for producing same. T...  
WO/2020/174371A1
A system and a method for producing high carbon steel with minimum surface and/or edge defects are disclosed. High carbon steel is provided to a hot rolling system. The steel is subsequently descaled, cropped, finished-rolled, and coiled...  
WO/2020/174676A1
The present disclosure relates to a method for producing shot. This production method comprises a cutting step for obtaining a granular product by cutting a wire formed from an iron-based alloy and a heat treatment step for heat treating...  
WO/2020/175453A1
The present invention is a nitriding steel member in which a matrix phase is composed of a carbon steel or a low-alloy steel, the nitriding steel member being characterized in that a nitride compound layer is provided on the surface, a h...  
WO/2020/170667A1
Provided is a hot-pressed member which has both of such high strength that the TS is 1850 MPa or more and excellent delayed characteristic resistance. A hot-pressed member having a specified component composition, and has such a micro ...  
WO/2020/172005A1
A method of joining a steel first member to a stainless steel second member includes buttering a first joint surface on the first member, the buttering including: preheating the first joint surface; welding a border layer of weld materia...  
WO/2020/171209A1
This high-strength electric-resistance-welded steel pipe is such that: the outside diameter of the steel tube is 60.3-318.5 mm inclusive; the ratio of the wall thickness of the steel tube and the outside diameter of the steel tube is 0.0...  
WO/2020/170710A1
The present invention provides a high-strength steel sheet having exceptional workability and exceptional resistance to breakage of a resistance-welded part. This high-strength steel sheet is characterized in having: a prescribed compo...  
WO/2020/170542A1
The present invention provides: a high-strength hot-dip galvanized steel sheet having exceptional punching properties, stretch flanging properties, bending properties, and plating properties, the steel sheet making it possible to manufac...  
WO/2020/170910A1
The present invention provides a steel sheet containing prescribed amounts of prescribed elements, the balance being iron and unavoidable impurities, and the steel sheet being such that: the total area ratio of bainite, bainitic ferrite,...  
WO/2020/169764A1
The invention relates to a steel product made of lightweight steel containing manganese, having a minimum notched bar impact work at -40 °C in the transverse direction of ≥ 20 Joules, preferably at least 30 Joules, having the followin...  
WO/2020/170333A1
An electric-resistance-welded steel pipe for a line pipe, in which the chemical composition of a matrix part contains, in % by mass, 0.04 to 0.12% of C, 0.01 to 0.50% of Si, 0.5 to 2.0% of Mn, 0.005 to 0.030% of Ti, 0.005 to 0.050% of Nb...  
WO/2020/170628A1
The component composition of the present invention includes, by mass%, no more than 0.030% of C, no more than 1.0% of Si, no more than 1.0% of Mn, no more than 0.040% of P, no more than 0.010% of S, 11.0%–30.0% of Cr, 8.0%–20.0% of A...  
WO/2020/170530A1
The present invention addresses the problem of providing: a hot-pressed member having tensile strength of 1.8 GPa or more and also having excellent resistance to collapse under bending load; a method for manufacturing the hot-pressed mem...  
WO/2020/170681A1
Provided are a hot-rolled steel sheet and a method for manufacturing the same, the hot-rolled steel sheet containing, in terms of mass%, 0.12% to 0.25% C, 0.01% to 2.0% Si, 0.5% to 3.0% Mn, 0.001% to 0.10% Al, and 0.0005% to 0.0050% B, a...  
WO/2020/168689A1
Disclosed is a heat treatment production line without charging basket, comprising a smelting furnace feeding mechanism (1), a smelting furnace accumulating mechanism (2), a smelting furnace (3), a quenching mechanism (4), a water pouring...  
WO/2020/166231A1
This steel sheet has a chemical composition of: 0.0015-0.0400% of C; 0.20-1.50% of Mn; 0.010-0.100% of P; 0.001-0.500% of Cr; at least 0.200% of Si; at least 0.020% of S; at least 0.200% of sol. Al; at least 0.0150% of N; 0-0.500% of Mo;...  
WO/2020/166638A1
The present invention provides a steel pipe for a fuel injection line, the chemical composition of the steel pipe being, in terms of mass%, 0.17-0.27% C, 0.05-0.40% Si, 0.30-2.00% Mn, no more than 0.020% P, no more than 0.0100% S, no mor...  
WO/2020/067537A9
Provided are: an OLED-use metal mask material in which the amount of warping caused by etching is reduced; a method for producing same; and a metal mask. This metal mask material and this metal mask are characterized by containing 35.0-3...  
WO/2020/166637A1
In this steel pipe for a fuel injection pipe: the chemical composition of the steel pipe is, by mass, C: 0.17 to 0.27%, Si: 0.05 to 0.40%, Mn: 0.30 to 2.00%, P: 0.020% or less, S: 0.0100% or less, O: 0.0040% or less, Ca : 0.0010% or less...  
WO/2020/162560A1
Provided is a hot-dip galvanized steel sheet in which: the base material steel sheet has a prescribed composition including at most 50% ferrite, at most 30% residual austenite, at least 5% tempered martensite, at most 10% fresh martensit...  

Matches 1 - 50 out of 64,845