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Matches 1 - 50 out of 36,150

Document Document Title
WO/2020/188426A1
The present invention is a method to treat an external layer on a steel or stainless steel substrate. More particularly the disclosure provides a method to increase the amount of manganochromite spinel (Cr2MnO4) in the outer most surface...  
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/2020/188812A1
A non-oriented electromagnetic steel sheet comprises a silicon steel sheet and an insulating coating film. The silicon steel sheet has an internal oxide layer that includes an SiO2 phase in a surface thereof, wherein the average thicknes...  
WO/2020/130644A3
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises: 0.005 wt% or less (exclusive of 0 wt%) of C; 0.5-2.4 wt% of Si; 0.4-1.0 wt% of Mn; 0.005 wt% or less (exclusive of 0 wt%) of S; 0.01 wt...  
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/2020/184162A1
The purpose of the present invention is to provide a thick steel sheet having excellent deformation characteristics at a center portion in the thickness direction thereof; and a production method therefor. This thick steel sheet is chara...  
WO/2020/111735A3
The oriented electrical steel sheet according to one embodiment of the present invention has, on the surface of an electrical steel sheet, a groove comprising a bottom part and a side part, has a metal oxide layer on the groove, and has ...  
WO/2020/184009A1
The present invention contains, in terms of mass%, 0.30-0.45% C, 0.05-0.35% Si, 0.50-0.90% Mn, no more than 0.030% P, 0.040-0.070% S, 0.01-0.50% Cr, 0.001-0.050% Al, 0.25-0.35% V, 0-0.0100% Ca, and no more than 0.0150% N, the remainder c...  
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/2020/178943A1
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/2020/130436A3
A high-strength structural steel having excellent cold bendability, according to one embodiment of the present invention, comprises, by wt%, 0.02-0.1% of C, 0.01-0.6% of Si, 1.7-2.5% of Mn, 0.005-0.5% of Al, 0.02% or less of P, 0.01% or ...  
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/2020/130417A3
One embodiment of the present invention provides an ultra-thick structural steel having excellent brittle crack initiation resistance, and a manufacturing method therefor, the ultra-thick structural steel comprising, by wt%, 0.03-0.08% o...  
WO/2020/169410A1
The invention relates to a high strength steel strip having medium amounts of C, Mn, Si, Cr and Al, wherein the steel strip has a microstructure consisting of, in vol.%: ferrite and bainite together 50 – 90%, martensite < 15%, retained...  
WO/2020/170774A1
Provided are a rectangular steel tube and a method for manufacturing same, and a building structure employing said rectangular steel tube. The present invention provides a rectangular steel tube which has flat plate portions and corner p...  
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/2020/169764A1
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/2020/130614A3
A high strength hot-rolled steel sheet having an excellent hole expansion ratio according to an aspect of the present invention comprises, by weight %, 0.12% or more and less than 0.30% of carbon (C), 0.1-2.5% of manganese (Mn), 0.5% or ...  
WO/2020/169075A1
A high-strength weather-proof thin steel strip and a production method therefor. The method comprises the following steps: smelting, wherein components and percentages in weight thereof comprised in the steel are respectively: C: ≤ 0.0...  
WO/2020/169077A1
Low-cost weathering steel and a production method thereof. The weathering steel comprises components of: less than or equal to 0.03 of C, 0.10-0.50 of Si, 0.50-1.50 of Mn, 0.07-1.50 of P, less than or equal to 0.008 of N, less than or eq...  
WO/2020/170775A1
Provided are: a square steel pipe; a method for manufacturing same; and a building structure using the square steel pipe. The present invention pertains to a square steel pipe having flat plate portions and corner portions, and having a ...  
WO/2020/165116A1
The invention relates to a method for producing a sheet steel component. The invention further relates to the use of the sheet steel component.  
WO/2020/165114A1
The invention relates to a method for producing a sheet steel component. The invention further relates to the use of the sheet steel component.  
WO/2020/166668A1
Provided is a steel material that has 110-ksi-grade yield strength and excellent SSC resistance. This steel material has a chemical composition that is, by mass%, 0.20%–0.45% C, 0.05%–1.00% Si, 0.01%–1.00% Mn, no more than 0.030% P...  
WO/2019/208833A8
The invention relates to a steel wire suitable for making a spring or medical wire products which remarkably improve the performance of conventional stainless steel wire. The steel comprises (in wt. %): C: 0.02 to 0.15, Si: 0.1 to 0.9, M...  
WO/2020/168163A1
The present disclosure provides methods and systems for depositing a metal layer adjacent to or on a substrate. A substrate may be provided. The substrate may be brought in contact with a slurry comprising a metal oxide, a reducing metal...  
WO/2020/166675A1
Provided is a steel material having a 110 ksi-grade yield strength and excellent SSC resistance. A steel material according to the present disclosure contains, in mass percentages, 0.15-0.45% of C, 0.05-1.00% of Si, 0.01-1.00% of Mn, 0.0...  
WO/2020/166538A1
Provided is a high-Mn steel having high strength and excellent low-temperature toughness, as well as excellent ductility. This high-Mn steel has: a component composition which contains, in terms of mass%, 0.10% to 0.70% C, 0.10% to 0.90%...  
WO/2020/111734A3
An acid-resistant steel sheet according to one embodiment of the present invention comprises, by wt%, 0.1% or less of C (excluding 0%), 2.0-4.0% of Si, and the balance of Fe and inevitable impurities, wherein the Si amount of a surface p...  
WO/2020/166718A1
The purpose of the present invention is to provide a non-oriented electricomagnetic steel sheet which has no reduction in magnetic flux density even after stress relief annealing and which has excellent magnetic properties, and a manufac...  
WO/2020/111856A3
The present invention relates to a structural steel sheet suitable for ships or steel structures and, more particularly, to a high-strength steel sheet having excellent ductility and low-temperature toughness and a method for manufacturi...  
WO/2020/162611A1
This grain-oriented electrical steel sheet comprises a base material steel sheet, an oxide layer, and a tension-imparting insulative coating film. When glow discharge optical emission spectrometry is conducted over the area ranging from ...  
WO/2020/111740A3
A method for manufacturing an electrical steel sheet, according to one embodiment of the present invention, comprises the steps of: manufacturing a hot rolled sheet by hot rolling a slab; removing some scales formed on the hot rolled she...  
WO/2020/111783A3
The non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by weight %, 1.5 to 4.0% of Si, 0.7 to 2.5% of Al, 1 to 2% of Mn, 0.003 to 0.02% of Cu, at most 0.005% of S (not 0%), and the remaind...  
WO/2020/111781A3
A non-directional electrical steel sheet according to one embodiment of the present invention comprises: 1.5-4.0 wt% of Si; 0.1-1.5 wt% of Mn; 0.7-1.5 wt% of Al; 0.0001-0.003 wt% of Bi; and 0.0001-0.003 wt% of Ga, with the balance compri...  
WO/2020/111738A3
A method for manufacturing an oriented electrical steel sheet, according to one embodiment of the present invention, comprises: a step for heating a slab; a step for hot rolling the slab to manufacture a hot rolled steel sheet; a step fo...  
WO/2020/111739A3
The present invention relates to a cold-rolled steel plate for enameling and a method for manufacturing same. The cold-rolled steel plate for enameling according to an embodiment of the present invention comprises, based on wt%, 0.05 to ...  
WO/2020/111867A3
The present invention provides a structural steel that comprises, by weight%, 0.05-0.12% of C, 0.05-0.4% of Si, 1.0-2.0% of Mn, 0.01% or less of P, 0.003% or less of S, 0.015-0.04% of Sol.Al, 0.005-0.02% of Ti, 0.01% or less of Nb, 0.002...  
WO/2020/162608A1
This grain-oriented electrical steel sheet comprises a base material steel sheet, an oxide layer, and a tension-imparting insulative coating film. When glow discharge optical emission spectrometry is conducted over the area ranging from ...  
WO/2020/157377A1
The invention relates to a method for manufacturing strips of stainless steel, comprising hot rolling in an initial process (A) and subsequently cold rolling in a cold rolling line (B). The hot rolling is stopped when the strip thickness...  
WO/2020/158822A1
Provided are an H-shaped steel having protrusions and a production method for same, the H-shaped steel ensuring stable tensile strength and having improved toughness. A steel composition in which C: 0.05-0.20 mass%, Si: 0.05-0.60 mass%...  
WO/2020/111874A3
The present invention relates to a steel plate which can appropriately be used as a structural material and the like. Provided are a steel plate, exhibiting excellent strength and toughness on a heat affected zone even when high heat inp...  
WO/2020/158823A1
Provided are an H-shaped steel having protrusions and a production method for same, the H-shaped steel ensuring tensile strength, being capable of suppressing the occurrence of surface cracking during continuous casting, and having drama...  
WO/2020/158368A1
A steel for cold working machine structures, comprising 0.32 to 0.44% by mass of C, 0.15 to 0.35% by mass of Si, 0.55 to 0.95% by mass of Mn, 0.030% by mass or less of P, 0.030% by mass or less of S, 0.85 to 1.25% by mass of Cr, 0.15 to ...  
WO/2020/158732A1
This grain-oriented electrical steel sheet comprises a steel sheet and, optionally, an insulating coating formed on the steel sheet. If subjected to a heat treatment in which the temperature is maintained at 800°C for two hours, the gra...  
WO/2020/158893A1
The purpose of the present invention is to provide a grain-oriented electrical steel sheet having excellent iron loss characteristics without applying a magnetic domain subdivision treatment, and to provide an iron core which is fabricat...  
WO/2020/111860A3
An ultra-thick steel excellent in brittle crack arrestability according to an aspect of the present invention comprises, by weight, C: 0.02-0.07%, Mn: 1.8-2.2%, Ni: 0.7-1.2%, Nb: 0.005-0.02%, Ti: 0.005-0.02%, Cu: 0.1-0.4%, P: 0.01% or le...  

Matches 1 - 50 out of 36,150