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Matches 1 - 50 out of 35,170

Document Document Title
WO/2019/176112A1
A steel sheet for coal/ore carrier holds that is a ferrite-pearlite steel sheet of specified components, wherein: the microstructure is a structure configured with the ferrite area fraction in the ¼ thickness region being 80-95% and the...  
WO/2019/177896A1
Warming a metastable steel after coating and before or during cold rolling suppresses the transformation of austenite to martensite, resulting in lower mill loads and higher amounts of reduction at similar loads. As-warm rolled steel has...  
WO/2019/177034A1
This steel material comprises, in terms of % by mass, 0.05-0.55% C, 0.05-1.00% Si, 1.51-3.50% Mn, 0.1000% or less of P, 0.3000% or less of S, 0.05-2.50% Cr, 0.10-0.75% V, 0.005-0.250% Ti, 0.003-0.100% Al, and 0.020% or less of N, the rem...  
WO/2019/167945A1
The present invention provides a steel pipe having a yield strength of 655-1172 MPa (95-155 ksi grade) and superior SSC resistance. The steel pipe according to the present disclosure has a chemical composition containing, in mass%, 0.10-...  
WO/2008/145871A8
The invention relates to a cold-rolled and annealed steel sheet having a strength greater than 1200 MPa, the composition of which comprises, the contents being expressed by weight: 0.10% < C < 0.25%, 1% ≤ Mn < 3%, Al > 0.010%, Si < 2.9...  
WO/2019/164012A1
The grain-oriented electromagnetic steel sheet relating to the present embodiment has a groove that is formed in the surface. The grain-oriented electromagnetic steel sheet is characterized by having, in a grain-oriented electromagnetic ...  
WO/2019/163828A1
Provided are: a high-carbon cold-rolled steel sheet having superior fine blanking workability; and a production method for the high-carbon cold-rolled steel sheet. This high-carbon cold-rolled steel sheet is produced by: subjecting a cas...  
WO/2019/164015A1
This wire rod has a chemical composition containing, in mass%, 0.80-1.10% of C, 0.005-0.100% of Si, 0.05-0.30% of Mn, 0-0.030% of P, 0-0.030% of S, 0-0.0060% of N, not less than 0.02% but less than 0.30% of Cr, 0.02-0.15% of Mo, 0-0.050%...  
WO/2019/162463A1
The present invention deals with alloyed steels having yield strength of at least 862 MPa (125 Ksi) and exhibiting outstanding hardness and toughness behavior, especially under stringent conditions which may be subjected to frost-heave a...  
WO/2019/160108A1
The non-oriented electromagnetic steel sheet according to one embodiment of the present invention has a chemical composition containing 0.0030% or less of C, 2.00% or less of Si, 1.00% or less of Al, 0.10-2.00% of Mn, 0.0030% or less of ...  
WO/2019/158663A1
The present disclosure relates to a duplex stainless steel comprising in weight% (wt%): C less than 0.03; Si less than 0.60; Mn 0.40 to 2.00; P less than 0.04; S less than or equal to 0.01; Cr more than 30.00 to 33.00; Ni 6.00 to 10.00; ...  
WO/2019/160087A1
The non-oriented electromagnetic steel sheet according to one embodiment of the present invention has a chemical composition containing 0.0030% or less of C, 2.00% or less of Si, 1.00% or less of Al, 0.10-2.00% of Mn, 0.0030% or less of ...  
WO/2019/158140A1
The invention relates to a facility for producing a metal component having at least two regions of different strength properties, said facility consisting of a heating unit (1) comprising heat-producing radiation sources (2) as well as a...  
WO/2019/160092A1
The non-oriented electromagnetic steel sheet according to one embodiment of the present invention has a chemical composition containing 0.0030% or less of C, 2.00% or less of Si, 1.00% or less of Al, 0.10-2.00% of Mn, 0.0030% or less of ...  
WO/2019/156179A1
Proposed is a method for further imparting excellent ductility to a high-Mn steel having excellent cryogenic toughness in a base material and welding-heat-affected portion thereof. This high-Mn steel has a compositional makeup containing...  
WO/2019/156220A1
A grain-oriented electrical steel sheet pertaining to the present invention has a grooved steel sheet surface, the average projection height of surface projections extending in the longitudinal direction of the grooves being more than 5 ...  
WO/2019/153764A1
Disclosed is a hot-rolled, abrasion-resistant steel plate and a manufacturing method thereof. The chemical composition of the steel sheet comprises, by weight percent: 0.14% to 0.22% of C, 5.3% to 6.5% of Mn, 0.1% to 0.5% of Si, and 0.01...  
WO/2019/154819A1
The invention relates to a steel strip or sheet having a complex phase microstructure comprising one or more of ferrite, carbide free bainite, martensite and/or retained austenite in its microstructure comprising: - 0.16 – 0.25 wt.% C;...  
WO/2019/156127A1
The oriented electromagnetic steel sheet according to this invention is provided with a base-metal steel sheet having multiple grooves on a surface thereof and a glass coating formed on the surface of the base-metal steel sheet. When a r...  
WO/2019/151397A1
An oriented electromagnetic steel sheet pertaining to the present invention has a steel sheet surface on which grooves are formed. The steel sheet surface has thereon two or more broken lines, each including said grooves having a length ...  
WO/2019/151045A1
The purpose of the present invention is to provide: a steel material for line pipes that has a sheet thickness of at least 30 mm, has high enough strength for use in submarine pipelines, and has excellent low-temperature toughness and DW...  
WO/2019/148742A1
Disclosed is a stress relief annealing resisting method for manufacturing a low-iron-loss oriented silicon steel, the method comprising: carrying out, by means of a pulse laser, scanning grooving on a single surface or two surfaces of a ...  
WO/2019/150667A1
The copper-coated steel wire is provided with: a core wire made of steel having a pearlite structure; and a coating layer covering the surface of the core wire and made of Cu or a Cu alloy. The steel comprises 0.5 mass% to 1.0 mass% of C...  
WO/2019/151399A1
Provided is a directional electrical steel sheet which is excellent in the reduction effect of transformer core loss when used for a wound core of a transformer. In the directional electrical steel sheet for use in a wound core of a tran...  
WO/2019/149593A1
The invention relates to a non-grain-oriented electrical steel strip or steel sheet, in particular for electrotechnical applications, to an electrotechnical component produced from such an electrical steel strip or steel sheet, to a meth...  
WO/2019/151046A1
The purpose of the present invention is to provide: a steel material for line pipes that has a sheet thickness of at least 30 mm, has high strength for use in submarine pipelines, and has excellent low-temperature toughness and DWTT perf...  
WO/2019/149582A1
The invention relates to a non-grain-oriented electrical steel strip or steel sheet, in particular for electrotechnical applications, to an electrotechnical component produced from such an electrical steel strip or steel sheet, to a meth...  
WO/2019/146697A1
This grain-oriented electrical steel sheet comprises a base material steel sheet, a glass coating formed on the base material steel sheet and in contact therewith, and an insulating coating formed on the glass coating and in contact ther...  
WO/2019/146748A1
Steel for a mooring chain that has a chemical composition comprising, in mass%, C: 0.15-0.45%, Si: 0.6% or less, Mn: 1.00-2.50%, P: 0.1% or less, S: 0.05% or less, Al: 0.1% or less, N: 0.01% or less, Cu: 0.01-1.0%, Ni: 0.01-5.0%, Cr: 0.1...  
WO/2019/146749A1
Provided are: a net for a mooring chain having a chemical composition comprising, in terms of percent by mass, 0.15-0.45% of C, 0.6% or less of Si, 1.00-2.50% of Mn, 0.1% or less of P, 0.05% or less of S, 0.1% or less of Al, 0.01% or les...  
WO/2019/145196A1
Hot-rolled steel having a yield strength (Rpo.2) of at least 1100 MPa along and/or transverse to a rolling direction which has a chemical composition containing (in mass- %): C: 0.10 - 0.2, Si: 0 - 0.7, Mn: 1.1 - 2.2, Nb: 0 - 0.06, Ti: 0...  
WO/2019/123240A3
A cold-rolled and heat treated steel sheet, having a composition comprising 0.1% ≤ C≤0.4%, 3.5%≤Mn≤8.0%, 0.1%≤Si≤1.5%, Al≤ 3%, Mo≤0.5%, Cr≤1%, Nb≤0.1%, Ti≤0.1%, V≤0.2%, B≤0.004%, 0.002%≤N≤0.013%, S≤0.003%,...  
WO/2019/146694A1
This grain-oriented electromagnetic steel sheet is provided with: a base steel sheet; a lower layer coating formed so as to be in contact with the base steel sheet; and an insulating coating formed so as to be in contact with the lower l...  
WO/2019/142947A1
Provided is a carburized bearing steel component that has a predetermined chemical composition, wherein: the number density of an oxide, which contains CaO, Al2O3, and SiO2 and which has an Al2O3 content rate of 50 mass% or more with res...  
WO/2019/143443A1
This invention is related to a method to increase the strength of a metal stamping by supplying a metal blank which has the ability to strengthen in-situ during stamping to achieve sets of properties not expected and much higher based on...  
WO/2019/137910A1
The invention relates to a method for producing a steel sheet component (1), comprising the following steps: heating the steel sheet component (1), wherein a first temperature control in a first region of the steel sheet component (1) is...  
WO/2019/134102A1
A strong and ductile automotive steel comprising 8-11 wt.%Mn, 0.1-0.35 wt.%C, 1-3 wt.%A1, 0.05-0.5 wt.%V, and a balance of Fe. By tuning the amount of austenite stabilizers, a dual phase microstructure of martensite and austenite with pr...  
WO/2019/132128A1
A non-oriented electrical steel sheet according to an embodiment of the present invention comprises one or more of, in weight %, 2.0-3.5% of Si, 0.3-3.5% of A1, 0.2-4.5% of Mn, 0.0030-0.2% of Sn, 0.0030-0.15% of Sb, 0.0040-0.18% of P, 0....  
WO/2019/132333A1
Provided is a method for producing an oriented electrical steel sheet with an ultra-low iron loss. The method for producing an oriented electrical steel sheet according to the present invention is a method for producing an oriented elect...  
WO/2019/132384A1
The present invention relates to a cold-rolled steel sheet having excellent high-temperature properties and room-temperature workability, and a method for manufacturing same. Provided are a cold-rolled steel sheet having excellent high-t...  
WO/2019/132310A1
The present invention relates to a steel plate having a high degree of hardness, which is used in industry, construction machines, and the like and, more specifically, to a wear-resistant steel plate having excellent material uniformity ...  
WO/2019/132378A1
Introduced is an oriented electrical steel sheet, comprising, in percentage by weight, 2.0 to 7.0% of Si; 0.005% or less of C (excluding 0%); 0.001 to 0.05% of N; and 0.001 to 0.5% of In, at least one of 0.03 to 0.5% of Cu; 0.005 to 0.1%...  
WO/2019/132400A1
One embodiment of the present invention provides a high-strength cold-rolled steel sheet with low variation in mechanical property and excellent stretch flangeability and recovery, and a manufacturing method therefor. The high-strength c...  
WO/2019/132377A1
The present invention relates to a non-oriented electrical steel sheet comprising, in weight percent: 1.5 to 4.0% of Si; 0.1 to 1.5% of Al; 0.1 to 1.5% of Mn; at most 0.005% of C (excluding 0%); at most 0.005% of N (excluding 0%); at mos...  
WO/2019/132375A1
A non-oriented electrical steel sheet, according to one embodiment of the present invention, comprises, by wt%, 2.6-3.6% of Si, 0.2-1.3% of A1, 0.1-1.5% of Mn, 0.005% or less of C (excluding 0%), 0.005% or less of N (excluding 0%), 0.005...  
WO/2019/132358A1
A non-oriented electrical steel sheet comprising, in weight percent: 2.0 to 4.0% of Si; 0.1 to 1.2% of Al; 0.55 to 1.2% of Mn; at most 0.005% of C (excluding 0%); at most 0.005% of N (excluding 0%); at most 0.005% of Ti (excluding 0%); 0...  
WO/2019/130914A1
Provided is a cladded steel plate having a laminate material formed from a corrosion resistant alloy joined with one surface of a base material steel plate, wherein the base material steel plate has a prescribed component composition; th...  
WO/2019/132408A1
An embodiment of the present invention provides an ultra-thin hot rolled steel sheet having excellent isotropy, and a manufacturing method thereof, the steel sheet comprising, 0.020 to 0.080 wt% of C; 0.05 to 0.50 wt% of Mn; 0.05 wt% or ...  
WO/2019/131974A1
An oriented electromagnetic steel sheet is provided which has excellent high-frequency core loss characteristics and blanking properties. In mass%, the oriented electromagnetic steel sheet contains, as a steel component, Si: 1.5-8.0% and...  
WO/2019/132372A1
A cold rolled steel sheet having excellent aging resistance and workability, according to one embodiment of the present invention, comprises, by wt%, 0.1% or less of C, 0.5% or less of Si, 0.1-0.5% of Mn, 0.015-0.1% of Al, 0.01% or less ...  

Matches 1 - 50 out of 35,170