| 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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| 07/17/2013 | CN102367499B Technology for producing cold-bonded pellets from dust collected by converter dry dedusting |
| 07/17/2013 | CN101903729B Device for extracting metals or metal compounds from a material containing the metal or the metal compound |
| 07/16/2013 | US8486327 Sealing plug for tiltable converters |
| 07/11/2013 | WO2013102490A1 A method for melting steel |
| 07/10/2013 | EP2611944A1 Gas filling apparatus |
| 07/10/2013 | CN203048975U Brick conveying slideway of masoned converter lining |
| 07/10/2013 | CN103194572A Method for rapidly exchanging tapping hole |
| 07/10/2013 | CN103194571A Automatic calibration device for converter oxygen lance encoder |
| 07/10/2013 | CN103194570A Novel evaporative cooling drum pressure release control method and system |
| 07/10/2013 | CN103194569A Pig iron fettling method |
| 07/10/2013 | CN103194568A Waste heat recovery device for converter gas |
| 07/10/2013 | CN103194567A Smelting process of iron ore containing vanadium |
| 07/10/2013 | CN103194566A Slag splashing protection method |
| 07/10/2013 | CN103194565A Method for synchronously dephosphorization and vanadium extraction of vanadium-containing molten iron |
| 07/10/2013 | CN103194564A Process for producing ultra-low phosphorus steel |
| 07/10/2013 | CN103194563A Method for rapidly and fully deslagging converter based on physical property control of slag |
| 07/10/2013 | CN102382927B Molten iron smelting method and vanadium-containing molten iron smelting method |
| 07/04/2013 | WO2013098636A1 Device and method to control the charge in electric arc furnaces |
| 07/04/2013 | US20130167688 Method of making low carbon steel using ferrous oxide and mineral carbonates |
| 07/03/2013 | CN203034044U Level measurement system for converter sublance |
| 07/03/2013 | CN203034043U Production line of steelmaking vanadium extraction accessory |
| 07/03/2013 | CN103185460A Slag guide method and system of steelmaking furnace |
| 07/03/2013 | CN103184311A Preparation method for producing high-strength cast steel slurry pump and special equipment thereof |
| 07/03/2013 | CN103184310A Slag baffle piston for baffling slag of steel discharged out of steel smelting converter |
| 07/03/2013 | CN103184309A Slag stopping device for converter |
| 07/03/2013 | CN103184308A Converter coal gas residual heat recovery device |
| 07/03/2013 | CN103184307A One-time dust removal system for revolving furnace |
| 07/03/2013 | CN103184306A Converter coal gas residual heat recovery device |
| 07/03/2013 | CN103184305A Explosion-proof control method adopting electric precipitation for vanadium extraction in converter |
| 07/03/2013 | CN103184304A Technology for producing 38CrMoAl steel by converter-LF (low frequency)-RH (rockwell hardness)-continuous casting |
| 07/03/2013 | CN103184303A Self-adaptive regulation control system for oxygen blowing pressure of converter and control method thereof |
| 07/03/2013 | CN103184302A Controlling method and controlling system for charging of main raw material of converter |
| 07/03/2013 | CN102586540B Rotary hearth furnace hearth structure |
| 07/03/2013 | CN102418036B 15MnNiDR low alloy steel plate for low temperature pressure vessel and production method thereof |
| 07/03/2013 | CN102399932B Method for reducing converter hot metal single consumption |
| 07/03/2013 | CN102382926B Converter steelmaking fluoride-free composite fluxing medium |
| 07/03/2013 | CN102183150B Quick feeding device for feeding waste steel into electric furnace and feeding method thereof |
| 07/03/2013 | CN102183149B 冶金容器 Metallurgical vessel |
| 07/03/2013 | CN101473050B Pressure control in direct smelting process |
| 07/02/2013 | CA2729876C Process for producing foamed slag |
| 06/27/2013 | WO2013096767A1 Controllable solids injection |
| 06/27/2013 | WO2013094634A1 Converter steelmaking method |
| 06/27/2013 | WO2013092108A1 Tiltable converter |
| 06/27/2013 | WO2013091847A1 Smelting cyclone and apparatus provided with such a smelting cyclone |
| 06/26/2013 | EP2607501A1 Tiltable converter |
| 06/26/2013 | EP2606305A1 Method and control and tracking system of the charge of material transported by a continuous supply conveyor of a metallurgical furnace, particularly an electric furnace for the production of steel |
| 06/26/2013 | EP2606304A1 Lift and pivot device for a cover of a furnace and furnace system and method for charging and servicing such a furnace system |
| 06/26/2013 | CN203021598U Furnace door rotating body spray gun for electrical arc steel-smelting furnace |
| 06/26/2013 | CN203021597U Pressure-stabilized current-stabilized converter saturated vapor recovery system |
| 06/26/2013 | CN203021596U Spherical hinge supporting device of converter body |
| 06/26/2013 | CN203021595U Oxygen supply device for converter oxygen lance |
| 06/26/2013 | CN203021594U Oxygen lance slag scraper |
| 06/26/2013 | CN103180683A Device and method for filtering supply network failures out from an electrode signal in a metallurgical electro remelting method |
| 06/26/2013 | CN103180466A Charging shaft system and method for filling |
| 06/26/2013 | CN103173587A Method for preventing slag from adhering to sublance head of steel refining furnace |
| 06/26/2013 | CN103173586A Method for lowering contents of oxygen and nitrogen in molten steel at smelting end in semisteel smelting converter |
| 06/26/2013 | CN103173585A Steel-making method |
| 06/26/2013 | CN102643947B Method for shorting slag-splashing converter protection time of converter |
| 06/26/2013 | CN102443675B Production method of low-sulfur steel |
| 06/26/2013 | CN102399928B Smelting method capable of changing forms of nonmetal impurities in structural steel |
| 06/26/2013 | CN102268512B Control method for inclusion in steel |
| 06/26/2013 | CN101956041B Converter oxygen-blowing control method and device |
| 06/25/2013 | US8470069 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals |
| 06/20/2013 | WO2013089546A1 Method for treating furnace dust from a steelmaking electric-arc furnace |
| 06/20/2013 | WO2013087539A1 Method for maintaining and/or repairing the spout area of a metallurgical vessel |
| 06/20/2013 | WO2013087050A2 Converter gas discharge |
| 06/20/2013 | DE102011122226A1 Fastening device useful for fastening a converter tilting over supporting brackets, comprises converter bracket over which converter is connected to supporting ring via a fastener, associated with electrical actuator |
| 06/19/2013 | EP2603757A1 Method for operating a charging material preheater and charging material preheater and smelting furnace system |
| 06/19/2013 | EP2603616A1 Melt metallurgical installation comprising a charging element |
| 06/19/2013 | CN203007313U Water-cooling cover of continuous steelmaking electric furnace |
| 06/19/2013 | CN203007312U Seamless oxygen-determined tube |
| 06/19/2013 | CN203007311U Oxygen tube welding tube |
| 06/19/2013 | CN203007310U Device for automatically blowing steel slag nodulation positioned on charging hole of furnace cover |
| 06/19/2013 | CN203007309U Multifunctional furnace wall cluster oxygen lance |
| 06/19/2013 | CN203007308U Inclined backing plate for adjusting oxygen lance |
| 06/19/2013 | CN203007307U Clamping mechanism of converter slag rod feeding device |
| 06/19/2013 | CN203007306U Lower suspension type coupling device for furnace body of converter and supporting ring |
| 06/19/2013 | CN203007305U Device for charging steel scrap into bucket |
| 06/19/2013 | CN203007304U 120-tonnage converter non-transmission-side trunnion lengthening device |
| 06/19/2013 | CN203007303U Primary smoke micro-differential pressure measuring device for converter |
| 06/19/2013 | CN203007302U Semi-dry dust-removing device for converter flue gas |
| 06/19/2013 | CN203007301U Integrated control device for startup/shutdown, blowing and gas recovery of converter gas analyzer |
| 06/19/2013 | CN103160728A High-yield-strength S890QL structural steel medium plate and production method thereof |
| 06/19/2013 | CN103160642A Foaming agent used in electric furnace steelmaking reduction |
| 06/19/2013 | CN103160641A Foaming agent used in electric furnace steelmaking oxygen fusion |
| 06/19/2013 | CN103160640A Method of dynamically detecting contents of manganese, phosphorus and sulphur of slag in converter steelmaking process |
| 06/19/2013 | CN103160639A Converter smoke waste heat utilizing system |
| 06/19/2013 | CN103160638A Top-bottom combined blowing converter nitrogen-control advanced operation method |
| 06/19/2013 | CN103160637A Low-phosphorous steel smelting method of mixed blowing of oxygen and nitrogen of top blowing oxygen lance of converter |
| 06/19/2013 | CN103160636A Method for converter steel tapping alloying molten steel component evening |
| 06/19/2013 | CN103160635A Process for producing die steel by utilizing converter continuous casting mode |
| 06/19/2013 | CN103160634A Steel-making method and application thereof and continuous casting method |
| 06/19/2013 | CN103160633A Manganese ore slagging agent used in converter steelmaking |
| 06/19/2013 | CN102634634B Method for producing high-alloy low-phosphorous steel used for boiler tube by adopting electric-arc furnace |
| 06/19/2013 | CN102373312B Primary fume dry method dedusting system of vanadium recovery converter |
| 06/19/2013 | CN102363869B Manufacturing method of free-cutting ferritic stainless steel 430FM |
| 06/19/2013 | CN102094104B Process for removing dust from steelmaking converter flue gas by pure dry method and recovering heat energy synchronously, and waste heat boiler |
| 06/19/2013 | CN102021482B Cold-rolled galvanized duplex steel and manufacturing method thereof |
| 06/19/2013 | CN102007225B Lance holder |
| 06/19/2013 | CN101871369B Overheating turbine generating system for recovering sensible heat of converter gas |