| 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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| 09/19/2012 | CN102676733A Wear-resisting oxygen lance/slag charge inserter |
| 09/19/2012 | CN102676732A Top blown converter discharging tube |
| 09/19/2012 | CN102676731A Suspension type skimbar putting device |
| 09/19/2012 | CN102676730A Converter bottom blowing air brick, special drilling machine and quick thermal replacement method of air brick |
| 09/19/2012 | CN102676729A Dry-process dust removing system based on recycling of converter smoke heat pipe waste heat and dust removal of filter bag |
| 09/19/2012 | CN102676728A Method for controlling urgent lifting of oxygen top-blowing smelter spray guns |
| 09/19/2012 | CN102676727A Process for controlling smelting silicon content of low-silicon steel |
| 09/19/2012 | CN102676726A Smelting process capable of utilizing converter slag fully |
| 09/19/2012 | CN102676725A Method for controlling nonmetal inclusions in X70 stage acidoresistant pipeline steel |
| 09/19/2012 | CN101993969B Converter bottom blowing air brick and using method thereof |
| 09/19/2012 | CN101928894B High-strength weather resisting steel with Cu2-xS dispersed precipitates and manufacturing method thereof |
| 09/13/2012 | WO2012120276A1 Apparatus for inducing flow in a molten material |
| 09/13/2012 | CA2827439A1 Apparatus for inducing flow in a molten material |
| 09/12/2012 | CN202430255U Lining board for Cansteel electric stove feeding device |
| 09/12/2012 | CN202430254U Demountable furnace floor and top and bottom combined blowing converter with same |
| 09/12/2012 | CN202430253U Slag guiding system of steel refining furnace |
| 09/12/2012 | CN202430252U Compensation fender bracket for gunning of converter |
| 09/12/2012 | CN202430251U Converting furnace with convex working liner |
| 09/12/2012 | CN102667385A Metallurgical furnace |
| 09/12/2012 | CN102666883A Exhaust processing and heat recovery system |
| 09/12/2012 | CN102660711A Steel for petroleum casing connecting piece and manufacturing method thereof |
| 09/12/2012 | CN102660660A Oxygen top-blowing control system of steel converter and system residue removing and oxygen guiding method |
| 09/12/2012 | CN102660659A Converter vanadium extraction process adopting top blowing oxygen lance to blow cooling agents |
| 09/12/2012 | CN102660658A Method for curing converter slag |
| 09/11/2012 | US8262767 Method of producing steel for steel pipe excellent in sour-resistance performance |
| 09/07/2012 | WO2012095329A3 Method for treating a carbon dioxide-containing waste gas from an electrofusion process |
| 09/05/2012 | EP2495519A1 Method of installing a burner and/or injector panel apparatus and method of treating metal using the same |
| 09/05/2012 | DE202012005568U1 Vakuumentgasungsanlage für Stahl Vacuum degassing of steel |
| 09/05/2012 | CN202415600U Sealing and feeding device for electric furnace |
| 09/05/2012 | CN202415599U Self-cleaning slag trap of carbon-oxygen gun of electric furnace |
| 09/05/2012 | CN202415598U Converter tapping hole sleeve brick |
| 09/05/2012 | CN202415597U Feeding device for converter gunning mix tank |
| 09/05/2012 | CN202415596U Improved converter slag tank |
| 09/05/2012 | CN202415595U Bagged material hanging bracket for converter |
| 09/05/2012 | CN202415594U Embedded inner ring pipe of converter water-cooled furnace mouth |
| 09/05/2012 | CN202415593U Press plate for external opening brick of steel outlet of converter |
| 09/05/2012 | CN202415592U Novel sublance for converter |
| 09/05/2012 | CN202415591U Rapid overflow cooling tower |
| 09/05/2012 | CN202415590U Water seal plugboard |
| 09/05/2012 | CN202415589U Sealing water discharge device for converter skirt |
| 09/05/2012 | CN202414672U Multi-shaft vibration exciter device |
| 09/05/2012 | CN202410453U Protective device for adjustable venturi |
| 09/05/2012 | CN102656415A Electrode for direct current continuous arc furnace |
| 09/05/2012 | CN102653807A Method for smelting ultralow-carbon blade steel |
| 09/05/2012 | CN102653806A Electric-bag combined converter gas dry cleaning and recovering system |
| 09/05/2012 | CN102041343B Method for reducing DO (dissolved oxygen) content of steel |
| 09/05/2012 | CN102031329B Deoxidation and restoration method for smelting stainless steel in converter |
| 09/05/2012 | CN102010931B Slagging method for reducing inclusions in boiler refractory steel |
| 09/05/2012 | CN101875993B System for removing dust from converter gas by dry method and using method thereof |
| 09/05/2012 | CN101851694B Fast change method of large-scale converter movable gas hood |
| 09/05/2012 | CN101717887B Rotary austenite toughening-based low-temperature steel and method for preparing same |
| 09/05/2012 | CN101596573B Method for manufacturing transition section of conical head of coke tower |
| 09/05/2012 | CN101265511B Energy circulation system for converter gas flue evaporation cooling optimization |
| 08/30/2012 | WO2012114294A2 Tiltable oxygen converter |
| 08/30/2012 | WO2012113647A1 Burner insert for an arc furnace |
| 08/30/2012 | US20120217683 Waste heat system |
| 08/30/2012 | DE102011075003B3 Elektroschmelzofen Electric melting furnace |
| 08/30/2012 | DE102004055206B4 Verfahren zum Herstellen von Stahl mit hohem Mangan- und niedrigem Kohlenstoffgehalt A method of producing steel with high manganese and low carbon content |
| 08/29/2012 | CN202401094U Improved sublance detection system for steel-making converter |
| 08/29/2012 | CN202401093U Control system for model steel making |
| 08/29/2012 | CN202401092U System for controlling steelmaking furnace condition of converter |
| 08/29/2012 | CN202401091U System for controlling converter steelmaking process |
| 08/29/2012 | CN202401090U System for controlling finishing point of converter steelmaking |
| 08/29/2012 | CN202401089U Stainless steel shaking furnace |
| 08/29/2012 | CN102649988A Method for smelting 20CrMoA sucker rod steel |
| 08/29/2012 | CN102649987A Method for improving slugging effect at dephosphorization stage by slag-less generation refining process (SGRP) smelting in converter |
| 08/29/2012 | CN102649986A Production method for high-silicon chromium-containing coil rods |
| 08/29/2012 | CN102212748B Method for producing hot-rolled steel coils |
| 08/29/2012 | CN102051434B Method for smelting silicon steel |
| 08/29/2012 | CN101935736B Water-cooling movable smoke hood |
| 08/29/2012 | CN101708484B Magnetic mechanical device, method for separating dust particles, system and method for recycling metal components |
| 08/29/2012 | CN101410538B Method for recycling steelmaking dust |
| 08/22/2012 | EP2489970A1 Method for operating an electric arc oven for a continuous DRI supply, electric arc oven for a continuous DRI supply and control and/or regulating device for such an electric arc oven |
| 08/22/2012 | EP2488810A1 Method and device for feeding into a smelting unit |
| 08/22/2012 | EP2032726B1 Method and furnace for melting steel scrap |
| 08/22/2012 | CN202393233U Multi-section steering waste steel preheating conveying device |
| 08/22/2012 | CN202390468U Electric-arc furnace eccentric furnace tapping hole safety opening and closing mechanism |
| 08/22/2012 | CN202390467U Oxygen lance nozzle for vanadium extraction converter |
| 08/22/2012 | CN202390466U Self-adapted oxygen flow control system for automatic steel smelting converter |
| 08/22/2012 | CN102648297A Control pin and spout system for heating metal casting distribution spout configurations |
| 08/22/2012 | CN102643951A Device and method for improving jet flow impact effect by utilizing injecting powder in electric arc furnace steelmaking |
| 08/22/2012 | CN102643950A Method for smelting sulfur containing steel for vehicle and sulfur containing steel |
| 08/22/2012 | CN102643949A Dry cleaning and waste heat recovery method and system for middle temperature section of converter gas |
| 08/22/2012 | CN102643948A Ultra-low carbon steel converter final slag modifier and using method thereof |
| 08/22/2012 | CN102643947A Method for shorting slag-splashing converter protection time of converter |
| 08/22/2012 | CN102643946A Converter steelmaking method through power injection dephosphorization by adopting supersonic speed oxygen lance and supersonic speed oxygen lance |
| 08/22/2012 | CN102021267B Return control method of converter |
| 08/22/2012 | CN101880744B Decarburization converter exhaust gas treatment method utilizing dry-method dust-removing process for electric precipitation without explosion release |
| 08/22/2012 | CN101838769B Steel for hot rolling U type steel sheet pile with tensile strength more than or equal to 600MPa and production method thereof |
| 08/22/2012 | CN101838768B Low-temperature impact resistant steel for hot-rolling U-type steel sheet pile and production method thereof |
| 08/15/2012 | EP2487267A2 Metallurgical facility |
| 08/15/2012 | EP2486156A1 Control pin and spout system for heating metal casting distribution spout configurations |
| 08/15/2012 | CN202382593U Device for recovering flue gas waste heat of electric furnace |
| 08/15/2012 | CN202380033U Steelmaking pure-calcium solid cored wire |
| 08/15/2012 | CN202380032U Solid calcium metal cored wire for steel making |
| 08/15/2012 | CN202380031U Coherent oxygen lance structure for electric arc furnaces |
| 08/15/2012 | CN202380030U Improved carbon oxygen lance braking structure |
| 08/15/2012 | CN202380029U Logistics system for charging of electric furnace in electric furnace smelting |
| 08/15/2012 | CN202380028U Water-cooling cable suspender anti-breaking device |
| 08/15/2012 | CN202380027U Sliding conduction device for electroslag furnace |