| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 01/21/2010 | WO2010007875A1 Exhaust gas processing facility, and method for collecting dust by exhaust gas processing facility |
| 01/20/2010 | EP1957680B1 Furnace material detection system for a metal making lance |
| 01/20/2010 | CN201386114Y Sulky derrick for hoisting |
| 01/20/2010 | CN201386113Y Cantilever type smoke baffle wall |
| 01/20/2010 | CN201386112Y Converter gas full-dry method purifying and residual heat utilizing equipment |
| 01/20/2010 | CN101629223A Forging and casting copper oxygen lance nozzle |
| 01/20/2010 | CN100584132C Power device in electronic optical path system of electronic bundle impact furnace |
| 01/20/2010 | CN100582248C Vanadium-raising cooling agent, method for preparing same and use method |
| 01/19/2010 | US7648673 Process for denoxification of off-gases from annealing and pickling lines, and an annealing and pickling line, especially for stainless steel hot or cold strip |
| 01/19/2010 | US7648551 Furnace is weighed periodically to detect quantity of discharged scrap inside furnace itself, temperature of liquid bath inside furnace is detected periodically and discharge delivery of scrap in furnace is detected by weighing and is regulated to maintain temperature of bath at pre-determined value |
| 01/14/2010 | WO2010005506A1 Wire injection lance nozzle assembly |
| 01/14/2010 | WO2010003694A1 Fixture for an injector and method for the operation thereof |
| 01/14/2010 | WO2010003401A1 Process for producing foamed slag |
| 01/14/2010 | DE102008032975A1 Verfahren zur Erzeugung von Schaumschlacke A process for the production of foamed slag |
| 01/14/2010 | DE102008032523A1 Halterung für einen Injektor und Verfahren zu seinem Betrieb Support for an injector and method for its operation |
| 01/14/2010 | CA2729876A1 Process for producing foamed slag |
| 01/13/2010 | EP2142873A1 Cooled box for positioning nozzles in arc furnaces |
| 01/13/2010 | EP1230407B1 Solid state reduction of oxides |
| 01/13/2010 | CN201381337Y Dedicated oxygen lance nozzle for melting hearth of converter |
| 01/13/2010 | CN201381336Y Early slag blocking pin for tapping of converter |
| 01/13/2010 | CN201381335Y Steep-taper oxygen lance for steelmaking |
| 01/13/2010 | CN101624641A Flue gas purification process through converter semi-dry process |
| 01/13/2010 | CN101624640A Technique for processing metallurgical furnace waste gas |
| 01/13/2010 | CN100580111C Slag splashing furnace-protecting method for nickel-copper smelting converter |
| 01/13/2010 | CN100580099C Laying method of non pocket block tap hole for steel making converter |
| 01/12/2010 | US7645418 Gas washing device |
| 01/12/2010 | CA2384211C Refractory nozzle |
| 01/07/2010 | WO2010002838A1 Dual outlet injection system |
| 01/07/2010 | US20100003162 Method for the Production of Forged Steel for Weapons Subject to Heavy Stresses, Barrel Blanks and Thus-Equipped Weapon |
| 01/07/2010 | US20100000062 Method and installation for producing steel products with optimum surface quality |
| 01/06/2010 | CN201376974Y Homogeneous skimming cone for converter |
| 01/06/2010 | CN101619377A Deslagging and dephosphorizing method of electric stove |
| 01/06/2010 | CN101619376A System for recovering converter gas sensible heat |
| 01/06/2010 | CN101619375A Method for preventing electric precipitation detonation discharge of top and bottom blown converter |
| 01/06/2010 | CN101619374A Method for controlling furnace bottom by adding ferro-silicon |
| 01/06/2010 | CN101619373A Method for sealing external orifice of steel-tapping hole of converter |
| 01/06/2010 | CN100577821C Decarburization refining method of chromium-containing molten steel |
| 01/05/2010 | US7641713 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 |
| 12/31/2009 | US20090320647 Pressure control in direct smelting process |
| 12/31/2009 | DE102008030192A1 Drehmomentabstützung für einen Konverterkippantrieb Torque support for a converter tilting drive |
| 12/30/2009 | WO2009158320A1 Combustion of co and combustibles in steel furnace offgases |
| 12/30/2009 | WO2009156011A1 Fireproof ceramic gas cleaning stone |
| 12/30/2009 | EP2137326A1 Wire injection lance nozzle insert |
| 12/30/2009 | CN201372295Y Energy-saving type steel-making furnace |
| 12/30/2009 | CN201372294Y Water cooling hydraulic cylinder for converter tap-hole gate valve device |
| 12/30/2009 | CN201372293Y Lifting frame capable of being disassembled and repeatedly used for installation of converter body |
| 12/30/2009 | CN101613781A Bottom-blown air brick of top and bottom repeatedly blown converter and installing structure thereof |
| 12/30/2009 | CN101613780A Converter body cooling method for disassembling converter by dry method |
| 12/30/2009 | CN101613779A Slagging agent, preparation method and use method thereof |
| 12/30/2009 | CA2729243A1 Torque support for a converter tilting drive |
| 12/30/2009 | CA2729114A1 Combustion of co and combustibles in steel furnace offgases |
| 12/29/2009 | US7639150 Method and a device for detecting slag |
| 12/29/2009 | US7637403 Liquid metal droplet generator |
| 12/29/2009 | CA2362294C Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
| 12/24/2009 | US20090315230 Blast furnace gas burning facility and method for operating the same |
| 12/24/2009 | DE202009014246U1 Gasspülstein Gas bubble brick |
| 12/23/2009 | WO2009153128A1 Oxygen blowing lance with protection element |
| 12/23/2009 | CN201368673Y Alarming type air brick |
| 12/23/2009 | CN201367444Y Connecting plate for converter slide gate sluice valve device |
| 12/23/2009 | CN201367443Y Gas-used quick coupler |
| 12/23/2009 | CN201367442Y Device for preventing rotating furnace from moving |
| 12/23/2009 | CN201367441Y Automatic correcting device of manipulator for inserting sublance into carbon head in rotating furnace |
| 12/23/2009 | CN201367440Y Scrap steel groove |
| 12/23/2009 | CN201367439Y Clamping and positioning device of oxygen lance |
| 12/23/2009 | CN201367438Y Converter sublance lifting frame |
| 12/23/2009 | CN201367437Y Oxygen top-blown steel converter |
| 12/23/2009 | CN101611156A Method and device for operating a change converter unit of an oxygen steel-making plant |
| 12/23/2009 | CN101608285A Interstitial free (IF) hot rolled strip and manufacturing method thereof |
| 12/23/2009 | CN101608284A Titanium microalloyed hot rolled strip and manufacturing method thereof |
| 12/23/2009 | CN101608282A Drill rod material steel pipe resisting low temperature of -40 to -60 DEG C and manufacturing method thereof |
| 12/23/2009 | CN101608251A Lifting trolley device |
| 12/23/2009 | CN101608250A Method for controlling temperature of steelmaking melting pool of converter by blowing CO2 gas |
| 12/23/2009 | CN100573009C A burner and method for supplying substance of burner to furnace gas-injection device |
| 12/23/2009 | CN100572564C Method and installation for the production of secondary steel based on scrap |
| 12/23/2009 | CN100572563C Electric furnace smelting method for low-carbon low-silicon steel |
| 12/17/2009 | WO2009149679A1 Process for producing a foamed slag on austenitic stainless melts in an electric arc furnace |
| 12/17/2009 | US20090309275 Direct smelting plant |
| 12/17/2009 | US20090308205 Direct smelting plant with waste heat recovery unit |
| 12/16/2009 | EP2132345A1 Melt metallurgical method for the production of metal melts, and transition metal-containing charge for use therein |
| 12/16/2009 | EP2132344A1 Method and system for the supply of hot direct reduced iron for multiple uses |
| 12/16/2009 | CN201362729Y Electric arc furnace semi-sealed cover smoke discharging dedusting system |
| 12/16/2009 | CN201362728Y Anti-falling device for oxygen lance |
| 12/16/2009 | CN201362727Y Compound inductive upper smoke arrestment hood of converter for secondary smoke arrestment |
| 12/16/2009 | CN101603146A Automobile spoke steel and smelting process |
| 12/16/2009 | CN101603144A 700 MPa level high-strength cold rolling carbon-aluminum-manganese steel plate and manufacturing method thereof |
| 12/16/2009 | CN101603117A Slag modifier and preparation method and using method thereof |
| 12/16/2009 | CN101603116A Lance holder with multiple tolerance chuck head |
| 12/16/2009 | CN101603114A Process for applying natural gas to deoxidation and recarburization in arc furnace |
| 12/16/2009 | CN101603113A Probe output device |
| 12/16/2009 | CN101603112A Anti-rotation device of rotary joint |
| 12/16/2009 | CN101603104A Method for separating, reclaiming and recycling CO2 in gas of blast furnace and converter |
| 12/16/2009 | CN101602612A Gunning mix for converter |
| 12/16/2009 | CN101602610A Raw material formulation for furnace cover of cement-less entire electric furnace |
| 12/16/2009 | CN100569961C Cross hinge connecting mechanism |
| 12/15/2009 | US7632329 selectively preparing lumps of n-type scrap silicon containing a specific impurity element as a dopant, crushing the prepared lumps of scrap silicon, placing the crushed silicon into a vacuum vessel, irradiating the crushed silicon with an electron beam to melt it and vaporize dopant, solidifying the Si |
| 12/15/2009 | CA2313622C Start-up procedure for direct smelting process |
| 12/10/2009 | DE102008028011A1 Verfahren zur Erzeugung einer Schaumschlacke auf austenitischen Rostfreischmelzen in einem Elektrolichtbogenofen A method for generating a foamed slag on austenitic stainless steel melts in an electric arc furnace |
| 12/09/2009 | EP2129807A1 Method for the reduction of a slag having a high degree of chromium in an electric arc furnace |
| 12/09/2009 | CN201359437Y Pre-assembly steel-tapping hole sleeve brick for electric furnace |
| 12/09/2009 | CN201358267Y Installation rack of revolving furnace |