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7591917 |
Method of producing steel strip
Steel strips and methods for producing strip are provided. The method for producing steel strips comprises continuously casting low carbon, silicon/manganese killed or aluminum killed molten steel...
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7491276 |
Production method and installation for producing thin flat products
The invention relates to a production method for producing, on a production installation ( 1 ), flat products, also of a large width, from continuously cast slabs having a large or medium thickness...
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7449074 |
Process for forming a nano-crystalline steel sheet
A nano-crystalline steel sheet and a method of making a nano-crystalline steel sheet are provided. The nano-crystalline steel sheet may be produced by supplying a liquid metallic glass forming...
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7425240 |
Method for the production of a siderurgical product made of carbon steel with a high copper content
The invention relates to a method for producing a siderurgical product made of carbon steel having a high copper content, according to which: —a liquid steel having the composition: 0.0005%≦1%;...
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7396423 |
Method for manufacturing steel plate having superior toughness in weld heat-affected zone
A welding structural steel product exhibiting a superior heat affected zone toughness, comprising, in terms of percent by weight, 0.03 to 0.17% C, 0.01 to 0.5% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti,...
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7374623 |
Metallurgical product of carbon steel, intended especially for galvanization, and processes for its production
A metallurgical product, made of carbon steel and to be galvanized, which is in the form of a strip or of a sheet obtained from a continuously cast intermediate product having the following...
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7354492 |
Method for optimising the production technology of rolled products
The inventive method is used for optimising a hot and/or cold strip mill process. Said method consists in discreetly measuring the technological parameters of a strip milling and the angular rates...
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7288158 |
Manufacturing process for producing high strength steel product with improved formability
A flat rolled, high strength, formable steel product has a yield strength of at least about 100 ksi. The product has sufficient formability such that it can withstand a longitudinal or transverse...
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7247211 |
Method of manufacture of ultra-low carbon steel
A steel sheet with a thickness of at least 0.30 mm is made of an ultra-low carbon steel with a chemical composition including C: at most 0.010%, Si: at most 0.5%, Mn: at most 1.5%, P: at most...
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7160398 |
Method of making rapidly solidified alloy for magnet
A melt of an alloy, represented (Fe 1-m T m ) 100-x-y-z Q x R y M z , where T is Co and/or Ni, Q is B and/or C, R is at least one rare-earth element, M is selected from Al, Si, Ti, V, Cr, Mn, Cu,...
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7147730 |
High carbon steel and production method thereof
To provide a high carbon steel sheet having excellent hardenability and toughness, and low planar anisotropy of tensile properties affecting workability, and a method of producing the same. A high...
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7117925 |
Production of thin steel strip
A cast carbon steel strip is prepared by continuously casting in a twin roll caster and cooling to transform the strip from austenite to ferrite at a temperature range between 400° C. and 850° C....
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6953627 |
Method for the production of thin-walled steel components and components produced therefrom
A process for the production of thin walled parts of steel, wherein there are layers that are at least partly differently treatable relating to their strength and hardness qualities. This process...
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6896747 |
Austenitic alloy for heat strength with improved pouring and manufacturing, process for manufacturing billets and wire
Austenitic alloy for high-temperature strength with improved pourability and manufacturing, of which the composition comprises, in weight-%:
0.010%<carbon<0.04% 0%<nitrogen<0.01%...
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6896034 |
Method for controlling a continuous strip steel casting process based on customer-specified requirements
A method of controlling a continuous steel strip casting process based on customer-specified requirements includes a general purpose computer in which product specifications of steel product...
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6855218 |
Method for producing a hot-rolled strip
The invention relates to a method for producing hot strip which features good forming ability and increased strength. This is achieved in that a hot strip (W) which is produced in particular from...
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6852180 |
Method for making carbon steel bands, in particular packaging steel bands, and resulting bands
The invention relates to the iron and steel industry. More specifically, the invention describes the manufacture of steel strip intended to be converted into thin packaging, such as for drinks and...
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6835253 |
Method for producing a hot strip
The invention relates to a method for producing a hot strip, in particular for producing a hot strip intended for the production of a cold strip with good deep-drawing characteristics; in which a...
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6818079 |
Method for manufacturing a steel sheet
A method for manufacturing a steel sheet comprising continuously casting a steel containing 0.04 to 0.2 wt. % C, 0.25 to 2 wt. % Si, 0.5 to 2.5 wt. % Mn, and 0.1 wt. % or less Al to form a slab;...
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6773522 |
Process and device for producing a high-strength steel strip
A process and device for producing a high-strength steel strip. In the process, liquid steel is cast in at least one continuous-casting machine ( 1 ) with one or more strands to form a slab and,...
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6767415 |
Process for producing a thin sheet of ultra-low-carbon steel for the manufacture of drawn products for packaging and thin sheet obtained
A killed and vacuum-degassed very-low-carbon steel containing, by weight, between 0.10 and 0.35% manganese, less than 0.006% nitrogen, less than 0.025% phosphorus, less than 0.020% sulphur, less...
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6764528 |
Process for producing high-nitrogen ultralow-carbon steel
A method of producing a high nitrogen, ultra low carbon steel suitable to rolling material for use in cold rolled steel sheets having excellent age hardening property by an age hardening treatment...
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6699338 |
Method of manufacturing corrosion resistant steel materials
A steel material excellent in weathering resistance by defining the chemical ingredients in the steel each to a predetermined range and setting an ingredient parameter formula in accordance with...
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6689229 |
High strength cold rolled steel sheet and method for manufacturing the same
A high strength cold rolled steel sheet consists essentially of 0.0040 to 0.01% C, not more than 0.05% Si, 0.1 to 1.0% Mn, 0.01 to 0.05% P, not more than 0.02% S, 0.01 to 0.1% sol.Al, not more than...
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6675869 |
Production of thin steel strip
A plain carbon steel strip is continuously cast in a twin roll caster and passes to a run out table on which it is subjected to accelerated cooling by means of cooling headers whereby it is cooled...
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6669789 |
Method for producing titanium-bearing microalloyed high-strength low-alloy steel
A composition and method of making a high-strength low-alloy hot-rolled steel sheet, strip, or plate bearing titanium as the principal or only microalloy strengthening element. The steel is...
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6663725 |
High strength steel sheet and method for manufacturing the same
The present invention relates to a high strength steel sheet consisting essentially of 0.04 to 0.1% C, 0.5% or less Si, 0.5 to 2% Mn, 0.05% or less P, 0.005% or less 0, 0.005% or less S, by weight,...
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6652670 |
Steel sheet and method for manufacturing the same
The method for manufacturing steel sheet comprises the steps of: rough-rolling to form a sheet bar; finish-rolling the sheet bar to form a steel strip; applying primary cooling and secondary...
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6648991 |
LOW-ALLOY CARBON STEEL FOR THE MANUFACTURE OF PIPES FOR EXPLORATION AND THE PRODUCTION OF OIL AND/OR GAS HAVING AN IMPROVED CORROSION RESISTANCE, A PROCESS FOR THE MANUFACTURE OF SEAMLESS PIPES, AND THE SEAMLESS PIPES OBTAINED THEREFROM
Low-alloy carbon steel for the manufacture of seamless pipes having improved resistance to corrosion, particularly the “sweet corrosion” that occurs in the media rich in CO 2 , for using in...
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6635313 |
Method for coating a steel alloy
A method of coating dual phase high strength cold rolled steel having controlled amounts of carbon, manganese, and molybdenum is used as a starting material in a galvanizing/galvannealing process....
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6632298 |
Casting slab for shadow mask, method for heat treatment thereof and material for shadow mask
The present invention aims at providing a sophisticated segregation reducing technique which a conventional technique cannot achieve by finding the relationship between the casting structure and...
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6616778 |
Process and device for producing a ferritically rolled steel strip
A process for producing a ferritically rolled steel strip, in which liquid steel is cast in a continuous-casting machine ( 1 ) to form a slab and, utilizing the casting heat, is conveyed through a...
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6585799 |
Cast steel piece and steel product excellent in forming characteristics and method for treatment of molted steel therefor and method for production thereof
A cast steel with excellent workability, characterized in that not less than 60% of the total cross section thereof is occupied by equiaxed crystals, the diameters (mm) of which satisfy the...
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6558486 |
Method of producing cold rolled steel strip
Method of producing strip comprising continuously casting plain carbon steel into a strip of no more than 5 mm thickness and coiling the strip. The strip is subsequently uncoiled and cold rolled...
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6544354 |
High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof
The object of the present invention is to provide high-strength steel sheets exhibiting high impact energy absorption properties, as steel sheets to be used for shaping and working into such parts...
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6544355 |
Continuous casting steel plate for porcelain enameling excellent in formability resistance to occurrence of bubble or black point, and adhesion with porcelain enamel
A vitreous enamel steel sheet produced by a continuous casting, excellent in formability, bubbling and black spot resistance and adhesiveness, which comprises, in terms of mass %, 0.002% or less of...
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6533876 |
Process and device for producing a steel strip or sheet
Process for producing a steel strip or sheet, in which liquid steel is cast in a continuous-casting machine to form a thin plate and, while making use of the casting heat, is fed through a furnace...
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6527882 |
Method and installation for the continuous production of hot-rolled, thin flat products
A method and an installation for the endless production of hot-rolled, flat products from thin cast strip. The installation includes a casting machine for producing cast strip, a device for cooling...
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6524726 |
Cold-rolled steel sheet and galvanized steel sheet, which are excellent in formability, panel shapeability, and dent-resistance, and method of manufacturing the same
Disclosed is a cold-rolled steel sheet excellent in formability, panel shapeability and dent-resistance, comprising 0.005 to 0.015% by weight of C, 0.01 to 0.2% by weight of Si, 0.2 to 1.5% by...
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6524408 |
Method for producing load-optimized steel strips
To produce sheet steel components optimised for loading, a steel strip is cast between two cooled rolls with a variable nip and the thickness of the steel strip is changed by changing the time of...
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6491771 |
Method of producing round billets
A process and device for the production of continuously cast billets in a production plant employs a vertical, round strand-casting machine with horizontal run-out, at least one descaling device,...
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6478899 |
Installation for making cold rolled stainless steel bands
A stainless steel band is continuously cast. The stainless steel band is descaled and cold rolled. The cold rolled band is annealed and descaled or bright annealed. The band is finish formed and...
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6451136 |
Method for producing hot-rolled strips and plates
A method for producing hot-rolled strip and plates in a production plant having a continuous casting installation for slabs 100-180 mm thick, descaling sprays, a single- or multiple-stand rolling...
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6436205 |
Method for surface processing of a continuously cast steel product and device therefor
In a surface processing method for removing surface flaws, surface contaminants, and the like from a continuously cast metal product in a hot state, at least a portion of at least one metal product...
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6350355 |
Starting cathodes made of copper band for copper electrolysis and a method for the production thereof
The object of this invention was to create starting copper cathodes which prevent a memory effect during copper electrolysis, achieving a high production output of electrolytic copper and which can...
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6328825 |
Alloy used for production of a rare-earth magnet and method for producing the same
An alloy used for the production of a rare-earth magnet alloy, particularly the boundary-phase alloy in the two-alloy method is provided to improve the crushability. The Alloy consists of (a) from...
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6328826 |
Method of fabricating "TRIP" steel in the form of thin strip, and thin strip obtained in this way
The invention provides a method of fabricating "TRIP" steel in the form of thin strip, wherein: a strip from 1.5 to 10 mm thick, preferably from 1 to 5 mm thick, is cast directly from liquid...
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6290787 |
Process for manufacturing drawable sheet by direct casting of thin strip, and sheet thus obtained
The subject for the invention is a process for manufacturing strip. The process includes casting directly from liquid metal a steel strip 1.5 to 10 mm in thickness, subjecting the cast steel strip,...
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6280542 |
Method and apparatus for the manufacture of a steel strip
Method for the manufacture of a steel strip, wherein molten steel is cast into a slab, conveyed through a furnace, roughed in a roughing apparatus and finish-rolled in a finishing apparatus. The...
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6273971 |
Method of manufacturing cold rolled steel sheet excellent in resistance of natural aging and panel properties
The present invention provides a method of manufacturing a cold rolled steel sheet and a hot-dip zinc-coated steel sheet having excellent surface properties, an excellent resistance to natural...
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