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)
12/2009
12/09/2009CN201358266Y Uneasy-leakage and assembled temperature-measuring sample sublance
12/09/2009CN201358265Y Spraying, cooling and dust removal device for converter and door-shaped cover
12/09/2009CN201358264Y Gas scrubbing water return flume for gas recovery system of converter
12/09/2009CN201358263Y Water supplying tank for lower smoke hood of converter
12/09/2009CN101597713A Micro alloying SWRH87B hot rolled wire rod and manufacturing method thereof
12/09/2009CN101597669A Hot metal dephosphorization method by using top-bottom combined blown converter under the condition of slag splashing and converter protecting
12/09/2009CN101597668A Processing method of hot metal dephosphorization by using top-bottom combined blown converter
12/09/2009CN101597665A Converter gas vaporizing cooling flue
12/09/2009CN101597664A Oxygen top-blown converter steelmaking method
12/09/2009CN101596573A Method for manufacturing transition section of conical head of coke tower
12/09/2009CN100566922C Process for manufacturing corrosion resistant low-chromium tubing in CO2 and H2S coexisted environment
12/08/2009US7628952 Method and apparatus for testing the integrity of a shroud seal on a ladle for a continuous casting installation
12/03/2009WO2009145228A1 Slag foaming killing material, and slag foaming killing method
12/03/2009US20090293677 High efficient method of slag scooping-up from liquid iron and a device for implementing said method
12/03/2009US20090293671 Electric Arc Furnance Steelmaking
12/02/2009CN201354377Y Adjustable integrated ultra-high power coherent jet oxygen lance burner cap for converter steelmaking
12/02/2009CN201354376Y Electric accident switching device of converter oxygen lance
12/02/2009CN101591752A Steel for cup-shaped iron core of loudspeaker and production method thereof
12/02/2009CN101591185A Integral type steel tapping hole replacement brick and method for preparing same
12/02/2009CN100564548C High-basicity refining slag for slag washing for steel-making of revolving furnace
12/02/2009CN100564546C Earlier stage slag-smelting method for pre-smelting electric furnace
12/02/2009CN100564545C Method and device for producing liquid steel
12/01/2009US7625423 Method for obtaining pure copper
11/2009
11/26/2009WO2009142028A1 Inversely inclined full-lining structure
11/26/2009WO2009090226A9 Process for preparing a foaming slag former, product and use thereof
11/25/2009CN101586908A Metallurgical oven and a material basket for a metallurgical oven
11/25/2009CN101586210A High strength enamel steel and producing technology and enamel firing technology thereof
11/25/2009CN101586205A Method for producing low-alloy peritectic steel by medium-thickness slab caster
11/25/2009CN101586173A Method of repairing and assembling vaporization gas hood of converter vaporization cooling boiler
11/19/2009WO2009139488A1 Process for reforming exhaust gas from metallurgical furnace, process for cooling the exhaust gas, and apparatuses for both processes
11/19/2009CA2832284A1 Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor
11/19/2009CA2765201A1 Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor
11/18/2009CN201347438Y Slag damper device for converter body
11/18/2009CN101581536A Scrap steel collection device
11/18/2009CN101580912A Low carbon high sulfur free-cutting steel production process
11/18/2009CN100560771C High ductility steel strip for J55 petroleum sleeve and manufacturing method thereof
11/18/2009CN100560740C Method for reducing dust of steel mill by using CO2
11/17/2009US7618582 Continuous steel production and apparatus
11/17/2009CA2392938C Apparatus and process to extract heat and to solidify molten material particles
11/12/2009WO2009115749A3 Process and plant for manufacturing a foaming slag activator from rubber waste
11/11/2009CN201343548Y Sublance probe assembling and disassembling protection device for converter
11/11/2009CN201343547Y Dust removal system for secondary flue gas in ventilation shaft and revolving furnace
11/11/2009CN201343542Y Manual leading change-over valve for slag removal machine
11/11/2009CN101575658A Oxygen top blown converter steel making method
11/11/2009CN101575657A Oxygen top blown converter steel making method
11/11/2009CN101575656A Oxygen top blown converter steel making method
11/11/2009CN101575655A Method for lowering converter bottom
11/11/2009CN100558912C Device for mixing saturated steam and superheated steam used for vacuum refining furnace
11/04/2009CN201340200Y Self-lubricating support device
11/03/2009US7611666 Tundish dry vibratable form
11/03/2009US7611663 Industrial furnace and associated jet element
11/03/2009US7611563 Comprising a De Laval nozzle adapted to act as a burner at subsonic or supersonic speed, combined with a plurality of nozzles for fuel and comburant respectively, arranged in two rings, concentric and coaxial to De Laval nozzle and externally protected by a protection cavity
10/2009
10/29/2009WO2009129653A1 A comprehensive recovery and utilization process for laterite-nickel ore
10/28/2009EP2112449A1 Continuous scrap supply in an electric arc furnace (EAF)
10/28/2009EP2111938A1 Purging plug for blowing gas into a metal treatment recipient
10/28/2009EP2111467A1 Method and device for operating a change converter unit of an oxygen steel-making plant
10/28/2009CN101568651A Injection method for inert gas
10/28/2009CN101566434A Converter movable hood flexible ring mechanical sealing device and sealing method
10/28/2009CN101565801A High-carbon-chromium bearing steel and manufacture method thereof
10/28/2009CN101565796A Sheet steel with tensile strength of 570Mpa for elbow pipe and production method thereof
10/28/2009CN101565792A Method for smelting boron steel
10/28/2009CN101565771A Calcium treatment method for molten steel in steel making
10/28/2009CN101565770A Fluorite powder pressing block and preparation method thereof
10/28/2009CN101564806A Production process for OOCr13Si2MoAl soft-magnetic chromium stainless alloy material special for welding
10/28/2009CN100554440C Method for directly melting silicon iron with silicon ore by using converter
10/22/2009DE102008019868A1 Kontinuierliche Schrottzuführung in einen Elektrischen Schmelzofen (EAF) Continuous scrap feed into a electrical furnace (EAF)
10/22/2009DE102008019029A1 Lanzenhalter mit Mehrtoleranzen-Spannkopf Lance holder with multi-chuck tolerances
10/21/2009EP2110447A2 Lance holder with multiple tolerance chuck head
10/21/2009CN201330260Y Slag-roughing detection device in converter tapping process based on emissivity factor monitoring
10/21/2009CN101560583A Rotary furnace cooling agent made of metallurgical waste material product and using method thereof
10/21/2009CN101560582A Rotary furnace cooling agent made of metallurgical waste material product and using method thereof
10/21/2009CN101560581A Rotary furnace cooling agent and manufacturing method thereof
10/21/2009CN101559345A Method for recycling dust from electric stove
10/21/2009CN100552049C Device for putting probe for measuring temperature of converter and determine carbon and oxygen content, controlling method thereof
10/21/2009CN100552048C Steel-smelting converter gravitation dry method dust-removing and residual heat reclaiming device
10/15/2009WO2009125484A1 Hot spray repairing material
10/15/2009US20090255374 Methods of Using Tires and Scrap Rubber in the Manufacture and Melting of Steel and Other Metals
10/14/2009EP2108049A1 Process and plant for producing steel
10/14/2009CN201327302Y Flue car with pneumatic station for refining furnace
10/14/2009CN201327301Y Flue car for refining furnace
10/14/2009CN201325975Y Tilting handling device of oxygen lance
10/14/2009CN101558170A Arc furnace steelmaking process using palm shell charcoal
10/14/2009CN101555537A Semi-steel steelmaking method
10/14/2009CN100549673C Method and device for non-contact exhaust gas measurement by means of FTIR spectroscopy on metallurgical plants
10/14/2009CN100549186C Direct smelting plant and process
10/14/2009CN100548501C Apparatus for injecting solid particulate material into a vessel
10/13/2009CA2315543C Electrostatically fiber planted steel sheet and production process therefor
10/08/2009DE102008016621A1 Device for slag-free tapping of steel melt from metallurgical vessel e.g. ladle, comprises base outlets, which are accordingly opened and assigned to plate-like components, which are arranged to flow diversion area against the outlets
10/08/2009DE102008013698A1 Lanze zur Aufnahme eines Sensors oder Probennehmers für Metallschmelzen Lance to receive a sensor or sampling device for molten metals
10/07/2009EP2107327A2 Thermal gas flow control system in the electric arc furnace
10/07/2009CN201321469Y Nitrogen sealing stopper end for converter oxygen lance
10/07/2009CN201321468Y Moving protection plate for observing converter furnace
10/07/2009CN201321467Y Steel-smelting spray gun lifting device
10/07/2009CN101551041A Integrated welding seam-free taper pipe
10/07/2009CN101550518A Boron-containing multi-element low alloy wear resistant cast steel and preparing method thereof
10/07/2009CN101550516A Method for revolving furnace smelting 45CrMnMo steel
10/07/2009CN101550513A A method for fast and deep desulfurization of low-carbon aluminum-killed steel
10/07/2009CN101550475A Method for producing ultra-low-carbon steel
10/07/2009CN101550467A Process for producing high silicon manganese-silicon alloy by using electric refining furnaces
10/07/2009CN101550466A Converter coal gas high-temperature bag-type dust removing system
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