Patents
Sitemap › C21 - Metallurgy of iron › C21C - Processing of pig-iron, e.g. refining, manufacture of wrought-iron or steel; Treatment in molten state of ferrous alloys › C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
11/2007
11/14/2007EP1853740A2 System for optically analyzing a molten metal bath
11/14/2007EP1747297B1 Method for reducing cr in metallurgical slags containing cr
11/14/2007CN200974849Y Speed reducer linkage structure for revolving furnace tilting arrangement
11/14/2007CN200974848Y Novel spherical bottom converter bottom working lining
11/14/2007CN101070559A Top-bottom reblowing-converter smelting method for austenite stainless steel
11/14/2007CN100348768C Steel for loader shovel tool blade and method for producing same
11/08/2007WO2007124870A2 Method for producing liquid pig iron or liquid steel intermediate products from fine-particled material containing iron oxide
11/08/2007WO2006103115A8 Method and apparatus for the recovery of refractory debris materials and ladle slags as process slags in iron metallurgy production in eafs, and the related metering to the furnace for the formation of the process slag
11/08/2007WO2005123896A3 Method and apparatus for carrying out a metallurgical process
11/08/2007US20070256518 Ironmaking and Steelmaking
11/08/2007US20070256516 Steel making material recycling system
11/07/2007EP1852666A1 Reverse slant lining structure of furnace with reduced part structure
11/07/2007EP1851497A2 Melting plant and method for the production of steel
11/07/2007EP1851496A1 Conveyor apparatus for conveying a metal charge in a melting plant
11/07/2007EP1658467B1 Electric reducing furnace
11/07/2007EP0938591B1 Steel slag and ferriferous material reprocessing process useful to produce pig iron and environmentally compatible slags
11/07/2007CN200971371Y Converter air slag blowing device
11/07/2007CN200971370Y Sublance slag scraper of converter
11/07/2007CN200971369Y Accident lifting mechanism of converter oxygen lance
11/07/2007CN101067159A Automatic regulating lance device for steel making oxygen lance
11/01/2007WO2007123986A2 Metal making lance tip assembly
11/01/2007WO2007121539A2 Device and method for the dynamic control of combined burners and of lances for blowing oxygen into an oven
11/01/2007WO2007121536A1 Pressure control in direct smelting process
11/01/2007WO2007121531A1 Pressure control in direct smelting process
11/01/2007WO2007121530A1 Direct smelting plant with waste heat recovery unit
11/01/2007CA2648591A1 Pressure control in direct smelting process
10/2007
10/31/2007EP1850081A1 Method for removing a molten metal main portion from a metal-meting container through an outflow opening embodied in the bottom surface thereof, a metal-melting container and a flowchart of main operations for carrying out said method
10/31/2007EP1849538A1 Gas feeder device for a flushing element
10/31/2007EP1848832A2 Furnace system and method for melting down metallic or metal-containing feed material
10/31/2007CN200967827Y Equipment for carrying out revolving furnace smelting method
10/31/2007CN101063177A Integral installation method for mammoth steel converter outer assemblage
10/31/2007CN100345994C Austenitic nonmagnetic steel, and preparation method
10/31/2007CN100345991C Color antirust iron and steel without paint
10/31/2007CN100345981C Direct smelting plant and process
10/25/2007US20070246869 Metal making lance tip assembly
10/25/2007US20070245855 energy efficiency
10/24/2007CN200964426Y Composite forging, pressing and founding oxygen lance nozzle
10/24/2007CN200964425Y Drawing instrument for hand propelled ladle preparation
10/24/2007CN100344773C Hot material conveyor
10/18/2007WO2007116580A1 Method for recycling steelmaking dust
10/18/2007WO2007098556A9 Direct smelting plant
10/18/2007WO2007098553A9 Direct smelting plant
10/18/2007WO2007098552A9 Direct smelting plant
10/18/2007WO2007098550A9 Direct smelting plant
10/18/2007DE102006016787A1 Immersion lance for the metallurgical treatment of metal melts comprises a compensator connected to an inner pipe using a connection so that the compensator and the inner pipe can expand independent of each other
10/17/2007CN200961141Y Smoke evacuation dust removal installation for convertor
10/17/2007CN200960492Y Furnace top electricity liquid squirt gun
10/17/2007CN101057001A Method for producing steel with high manganese and low carbon content and smelter
10/17/2007CN101056995A Production of stainless steel of aisi 4xx grade ferritic steel in an aod converter
10/17/2007CN101054647A Method of producing low-temperature high-toughness steel and steel plate
10/17/2007CN101054628A Technique for extracting titanium slag form red mud
10/17/2007CN101054613A Fluxing agent for prerefining molten steel during tapping process
10/17/2007CN101054612A Long life molten iron pretreatment desulfurizing spraying gun
10/17/2007CN101054611A Slag removing and furnace protecting agent
10/17/2007CN101054610A Molten iron pretreatment desulfurizing magnesium-spraying gun
10/17/2007CN100343397C Process for producing steel containing alumium low carbon low ilicon by small square blank continuous caster
10/17/2007CN100343396C Method of producing molten iron in duplex furnaces
10/11/2007WO2007114100A1 Process for producing steel for high-carbon steel wire material with excellent drawability and fatigue characteristics
10/11/2007WO2006050963A8 Production of stainless steel of aisi 4xx grade ferritic steel in an aod converter
10/11/2007US20070235910 Double chamber single directional spiral tuyere for blast furnaces
10/10/2007EP1751486A4 Heat exchanger
10/10/2007CN200958111Y Industrial microwave smelting equipment
10/10/2007CN101050478A Melting method of converter, and facility for implementing the method
10/09/2007US7279127 Continuous steelmaking plant
10/04/2007US20070227307 Charging a chromium(Cr)-containing liquid slag onto an iron bath; increasing the carboncontent and suppling energy; tapping the liquid slag having a Cr content of about 0.1% weight after reduction of the Cr; cooling and lowering the carbon content to <1%;leaving the remaining slag for the next melt
10/03/2007EP1242636B1 Method and device for feeding a gas to a metallurgical vessel
10/03/2007CN200955058Y Spiral oxygen-gun nozzle
10/03/2007CN101045973A SPHD level cold rolled deep-drawing steel and its smelting process
10/03/2007CN101045949A No-fluorine composite slag melting agent for converter steelmaking and its production process
10/03/2007CN101045948A Boron steel producing converter smelting process
10/03/2007CN100340677C Slag regulating agent for super high power large electric furnace smelting
10/02/2007US7276205 Injection device and process for the injection of a fluid
09/2007
09/28/2007CA2541092A1 Infrared light sensors for diagnosis and control of industrial furnace gases
09/27/2007WO2007107242A1 Method for determining the position and orientation of a measuring or repairing device and an apparatus operating on the basis of the method
09/27/2007WO2007106946A1 A forehearth
09/27/2007CA2641061A1 A forehearth
09/26/2007CN101041865A Terminal low-oxygen control method for top bottom combined blowing converter
09/25/2007US7273582 Shaft and post assemblies for molten metal apparatus
09/20/2007US20070216073 Tapping Tube for a Metallurgical Fusion Pot
09/20/2007DE102006012005A1 Schmelz-Aggregat, insbesondere Injektor, Blaslanze oder Brenner Melting unit, in particular injector lance or burner
09/19/2007EP1835039A1 Smelting unit, especially an injector, a lance or a burner
09/19/2007CN101037717A Molten iron spraying desulfurization spraying gun
09/19/2007CN101037716A Short-flow super low carbon steel ultra-low sulphur smelting control method
09/19/2007CN101037715A Molten iron desulfurization stir head
09/19/2007CN101037714A Molten iron desulfurization stir head
09/19/2007CN100338237C Martensitic stainless steel and steelmaking process
09/19/2007CN100338234C Nuisance free dephosphorized foaming slag in barium series with iron one containing BaSo2 as raw material
09/18/2007CA2394642C Measurement of the wear of the refractory lining of a metallurgical vessel
09/13/2007US20070210495 System of gas and/or gas and powders injection in liquid metals through rotary refractory lance
09/13/2007DE102006010287A1 Oxygen lance head for steel production, comprises an oxygen collecting chamber, circularly blowing nozzles arranged near to the chamber, a cool water guidance channel connected to the blowing nozzles, and a cool water supplying channel
09/12/2007EP1831407A1 Method and installation for the production of secondary steel based on scrap
09/12/2007CN101033498A Electric furnace highly effective metallurgy complexing agent
09/12/2007CN101033497A Converter coal gas wet-type cloth bag purification recovering process and system
09/12/2007CN101033496A Alkaline oxygen converter steelmaking slagging fluxing agent and its preparing method and slagging method
09/07/2007WO2007100109A1 Method of dephosphorization of molten iron
09/07/2007WO2007098556A1 Direct smelting plant
09/07/2007WO2007098553A1 Direct smelting plant
09/07/2007WO2007098552A1 Direct smelting plant
09/07/2007WO2007098550A1 Direct smelting plant
09/07/2007CA2642711A1 Direct smelting plant
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