| 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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| 12/12/2012 | CN102816888A Method for preventing sintering of steel outlet during fettling |
| 12/12/2012 | CN102816887A Method for directly smelting high-titanium molten iron by using converter |
| 12/12/2012 | CN102816886A Molten steel concentration control method |
| 12/12/2012 | CN102230051B Method for controlling nitrogen content in steel by semi-steel smelting |
| 12/12/2012 | CN102226225B Oxygen supply lance height control method of converter for producing low-carbon and low-phosphorus steel |
| 12/12/2012 | CN102094103B Method for increasing endpoint carbon content of converter |
| 12/12/2012 | CN102069345B Method for manufacturing large-specification steel pipe retained mandrel |
| 12/12/2012 | CN101671186B Method for producing forsterite sand-containing gunning material for electric furnaces |
| 12/11/2012 | CA2727187C Process for producing a foamed slag on austenitic stainless melts in an electric arc furnace |
| 12/06/2012 | US20120304820 Process for Producing a High-Cleanliness Steel |
| 12/05/2012 | CN202582217U Insulating protective plate for cross-arm insulation board of electric furnace |
| 12/05/2012 | CN202576476U Electric furnace wall oxygen lance with independent water supplying function |
| 12/05/2012 | CN202576475U Energy-saving electric furnace |
| 12/05/2012 | CN202576474U Water-cooled plate for energy-saving electric furnace |
| 12/05/2012 | CN202576473U Supersonic flat oxygen lance for electric furnace |
| 12/05/2012 | CN202576472U Air hole type anti-sticking oxygen lance |
| 12/05/2012 | CN202576471U Mechanical arm for carbon oxygen gun of furnace door |
| 12/05/2012 | CN202576470U Repairing tower for converter inner wall |
| 12/05/2012 | CN102812136A Copper anode refining system and method |
| 12/05/2012 | CN102808061A Method for smelting nickel-containing steel by using low-nickel pig iron in converter |
| 12/05/2012 | CN102181777B Stainless steel 431 smelting method |
| 12/05/2012 | CN102091727B Method for improving internal quality of medium plate |
| 12/05/2012 | CN102051439B Method for smelting high aluminium steel |
| 12/05/2012 | CN102003876B Culvert raw material delivery and smoke dust recovery device |
| 12/05/2012 | CN101967533B Rotary steam exhaust and dust removal method and device for hot stewing device |
| 12/04/2012 | CA2508582C Guide system for signal lines, device for measuring temperatures and/or concentrations and use |
| 11/29/2012 | WO2012160011A1 Converter installation having moveable complete units |
| 11/29/2012 | WO2012159179A1 Cooled lance for injecting into a metallurgical vessel |
| 11/29/2012 | US20120301383 Composition of matter tailoring: system i |
| 11/29/2012 | DE202012010150U1 Anlage zum Elektro-Schlacke-Umschmelzen Annex to the electro-slag remelting |
| 11/29/2012 | DE102011089524A1 Verfahren und Vorrichtung zur Bestimmung der Pegelstandshöhe eines Mediums in metallurgischen Gefäßen Method and apparatus for determining the water level height of a medium in metallurgical vessels |
| 11/29/2012 | CA2839173A1 Cooled lance for injection into a metallurgical vessels |
| 11/28/2012 | EP2527476A1 Flexible minimum energy utlilisation electric arc furnace system and processes for making steel products. |
| 11/28/2012 | EP2526359A1 Metallurgical furnace |
| 11/28/2012 | EP2526211A1 Method for foamed slag generation of a non-corrosive melt in a converter |
| 11/28/2012 | CN202558879U Electric furnace flue gas waste heat recovery device |
| 11/28/2012 | CN202558878U Intermediate-frequency electric furnace smelting equipment for producing high-quality steel |
| 11/28/2012 | CN202558877U Exhaust gas quenching and heat recovery device for steelmaking converter flue |
| 11/28/2012 | CN102796948A Non-oriented electrical steel plate with extremely low content of Ti and smelting method for non-oriented electrical steel plate |
| 11/28/2012 | CN102796844A Steelmaking technology adopting protective gas and special medium-frequency electric furnace |
| 11/28/2012 | CN102796843A Electric arc steelmaking furnace with furnace door operating device |
| 11/28/2012 | CN102796842A Scrap steel bucket loader |
| 11/28/2012 | CN102796841A Method for slagging steelmaking by side blowing of powder particle limestone in top-bottom combined blown converter |
| 11/28/2012 | CN102796840A Coolant for dephosphorizing and extracting vanadium of converter, production method thereof, and method for dephosphorizing and extracting vanadium of converter |
| 11/28/2012 | CN102796833A Modification technology of iron reduction and component reconstruction for molten slag |
| 11/28/2012 | CN102230140B Martensitic wear resistant steel production technology |
| 11/28/2012 | CN102031331B Method for building converter bottom |
| 11/28/2012 | CN102021264B Dust-removal and waste heat recovery system of steelmaking converter gas and recovery method of dust-removal |
| 11/28/2012 | CN101660018B Compound slagging agent of converter and preparation method and applications thereof |
| 11/27/2012 | US8318081 Direct smelting plant |
| 11/22/2012 | WO2012155225A1 Lance for top injection in metallurgical vessels and method for the production of said lance |
| 11/22/2012 | DE102011080017B3 Vorrichtung zur Aufnahme und zum Abspulen mindestens einer Drahtrolle, damit ausgestattete metallurgische Anlage sowie Verfahren zum Abspulen von Draht An apparatus for receiving and unwinding at least one wire reel, thus equipped metallurgical plant and method for unwinding wire |
| 11/22/2012 | CA2839175A1 Lance for top injection in metallurgical vessels and method for the production of said lance |
| 11/21/2012 | CN202543248U Oxygen lance of converter and oxygen lance lifting device |
| 11/21/2012 | CN202543247U Improved converter charging port device |
| 11/21/2012 | CN202543246U Eccentric furnace protecting and supporting device |
| 11/21/2012 | CN202543245U Connecting rod suspension protection device of furnace body |
| 11/21/2012 | CN202543244U Oxygen gun mouth sealing plug of energy-saving and low-consumption rotary furnace |
| 11/21/2012 | CN202543243U Special assembling platform for hanging backing ring of four-point suspension type mammoth converter |
| 11/21/2012 | CN202543242U rapid positioning device for installation of furnace shell of four-point suspension type large converter |
| 11/21/2012 | CN202543241U One-step flue gas purification tower for converter |
| 11/21/2012 | CN202543240U Research equipment for simulated experiment of converter steelmaking |
| 11/21/2012 | CN202543239U Novel long-service-life sublance |
| 11/21/2012 | CN102791889A Method of setting a slag consistency and apparatus for carrying out the method |
| 11/21/2012 | CN102791888A Method for foamed slag generation of a non-corrosive melt in a converter |
| 11/21/2012 | CN102787209A Method for producing ultralow-sulfur steel under high vacuum |
| 11/21/2012 | CN102787207A Fluoride-free slagging flux for electric-arc furnace steelmaking |
| 11/21/2012 | CN102787206A Smelting method for controlling nitrogen content in steel ingot of medium carbon chromous mold steel and steel ingot |
| 11/21/2012 | CN102787205A Adjusting device and method for injection flow rate of evaporative cooling tower during dry converter dedusting |
| 11/21/2012 | CN102787204A Energy-saving environmentally-friendly converter slag splashing protecting charging and production process thereof |
| 11/21/2012 | CN102787203A Fluoride-free slag-making fluxing agent for converter steel making |
| 11/21/2012 | CN102787202A Method for controlling nitrogen content of low nitrogen steel |
| 11/21/2012 | CN102787201A Application of coal serving as steelmaking slag pressing agent and method for inhibiting steel slag bubbles |
| 11/21/2012 | CN102787200A Slag splashing method for controlling converter profile |
| 11/21/2012 | CN102277470B Method for smelting low-silicon cold heading steel |
| 11/21/2012 | CN102061427B Production method of HRBF500E high-performance shock-resistant reinforcing steel bar |
| 11/21/2012 | CN102051436B Method for generating electricity by using secondary recycling of steel-making converter gas |
| 11/21/2012 | CN102049523B Free-cutting water-atomized steel powder and preparation method thereof |
| 11/21/2012 | CN101935734B Method for reducing rephosphorization amount in convertor steelmaking process |
| 11/20/2012 | US8313690 Direct smelting plant |
| 11/15/2012 | WO2012093280A3 Systems and methods for recycling steelmaking converter exhaust residue and products made thereby |
| 11/14/2012 | CN202530120U Converter tilting degree automatic correcting device |
| 11/14/2012 | CN202530119U Feed opening of converter |
| 11/14/2012 | CN202530118U Furnace backdoor of converter |
| 11/14/2012 | CN202530117U Direct cooling device for high temperature converter flue gas |
| 11/14/2012 | CN202530116U Big nut fastening tool for large converter three-point spherical surface support device |
| 11/14/2012 | CN202530115U Converter working lining structure |
| 11/14/2012 | CN202530114U Converter emitting-smoke dust reduction device |
| 11/14/2012 | CN202530113U Access door |
| 11/14/2012 | CN202530112U New circular seam device for OG system for once de-dusting converter |
| 11/14/2012 | CN202530111U Evaporative cooling tower |
| 11/14/2012 | CN202530110U Device for purifying and recovering primary high-temperature flue gas of converters by directly calcining lime |
| 11/14/2012 | CN202530109U Waste heat recovery device utilizing waste heat of one-off high temperature flue gas of converter to directly calcine lime |
| 11/14/2012 | CN102778131A Device and method for water model experimental simulation of converting furnace |
| 11/14/2012 | CN102776441A Steel plate for third-generation nuclear power station reactor containments and manufacturing method thereof |
| 11/14/2012 | CN102776440A Method for smelting zirconium-containing alloy steel for welding |
| 11/14/2012 | CN102776323A Smelting method of steel for hypoxia axle |
| 11/14/2012 | CN102776320A Carbon control method for hard wire steel-wire steel smelting |
| 11/14/2012 | CN102776319A Electrical control system and method for preventing converter slippage |
| 11/14/2012 | CN102776318A Arrangement structure of converter four-point connecting rod suspending device |