| 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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| 02/10/2011 | US20110031661 Gas cupola for melting metal |
| 02/10/2011 | US20110030842 Method and apparatus for carrying out a metallurgical process |
| 02/10/2011 | US20110030507 Process and apparatus for producing liquid pig iron or liquid primary steel products |
| 02/09/2011 | CN201741020U Automatic converter tapping quantity acquisition system |
| 02/09/2011 | CN201737971U Water-cooling protective jacket of oxygen lance |
| 02/09/2011 | CN201737970U Hand-held movable oxygen lance of furnace door |
| 02/09/2011 | CN201737969U Manual emergency device for locking converter oxygen lances |
| 02/09/2011 | CN201737968U Novel type converter mouth |
| 02/09/2011 | CN201737967U Fixed base of lower rail of converter |
| 02/09/2011 | CN101970695A Vortex inhibitor |
| 02/09/2011 | CN101967610A High carbon high silicon martensite stainless steel billet and preparation method thereof |
| 02/09/2011 | CN101967533A Rotary steam exhaust and dust removal method and device for hot closed delve device |
| 02/09/2011 | CN101967532A Powder spraying device and method for efficient vanadium extracting process of converter |
| 02/09/2011 | CN101643887B Super-thick high-level boat plate steel and production process thereof |
| 02/09/2011 | CN101270458B Metastable austenite abrasion-proof cast steel containing manganese-tungsten-aluminum |
| 02/08/2011 | US7883566 Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals |
| 02/08/2011 | CA2335761C Direct smelting vessel and direct smelting process |
| 02/03/2011 | WO2011013726A1 Arc melting equipment and molten metal manufacturing method using arc melting equipment |
| 02/03/2011 | WO2011013151A1 Advanced technology for iron-krom alloys production and related plant |
| 02/03/2011 | WO2011012595A1 Device for tipping a metallurgical melt vessel, metallurgical melting arrangement, and method using such a melting arrangement |
| 02/02/2011 | EP2280088A1 Device for tipping a metallurgical melt container, metallurgical melt assembly and method using such a melting assembly |
| 02/02/2011 | CN201729847U Sealing device of converter body |
| 02/02/2011 | CN201729846U Converter rear tapping dedusting device, |
| 02/02/2011 | CN101962740A Ferrite stainless steel for automobile exhaust emission system and manufacturing method thereof |
| 02/02/2011 | CN101962736A Ferrite stainless steel and manufacturing method thereof |
| 02/02/2011 | CN101962702A Method for controlling non-metallic inclusions in steel |
| 02/02/2011 | CN101962700A Method for smelting low-phosphorous molten steel by utilizing semisteel |
| 02/02/2011 | CN101962699A High-iron proportion steel-making method of electric furnace with eccentric bottom |
| 02/02/2011 | CN101962698A Semisteel converter steelmaking method |
| 02/02/2011 | CN101463407B Method for calculating converter steel melting lime adding amount |
| 02/02/2011 | CN101351565B Method for manufacturing ferritic stainless steel slabs with equiaxed grain structures and the ferritic stainless steel manufactured by it |
| 02/01/2011 | CA2669751C Metallurgical vessel, in particular arc furnace |
| 01/27/2011 | US20110017018 Novel additive for treating resulphurized steel |
| 01/26/2011 | EP2278245A1 Method for operating a hearth furnace and hearth furnace |
| 01/26/2011 | EP2278031A1 Process for reforming exhaust gas from metallurgical furnace, process for cooling the exhaust gas, and apparatuses for both processes |
| 01/26/2011 | EP2276863A1 Fireproof ceramic gas cleaning stone |
| 01/26/2011 | CN201722403U Waste heat diffusing muffler of converter |
| 01/26/2011 | CN201722402U Slag stopper for stopping plastic converter initial slag and feeding rod used with slag stopper |
| 01/26/2011 | CN101956068A Method for producing steelmaking iron blocks by using steelmaking sludge |
| 01/26/2011 | CN101956043A Method for recycling steelmaking slag |
| 01/26/2011 | CN101956042A Swirling flow resisting hammer |
| 01/26/2011 | CN101956041A Converter oxygen-blowing control method and device |
| 01/26/2011 | CN101956040A Producing method of clean steel |
| 01/26/2011 | CN101691622B Converter dephosphorization pretreatment and slagless decarburization method |
| 01/26/2011 | CN101565792B Method for smelting boron steel |
| 01/26/2011 | CN101487097B High strength cold rolling packaging steel belt and production method thereof |
| 01/26/2011 | CN101386899B Vanadium extraction smelting process for rotating furnace and apparatus |
| 01/26/2011 | CN101228406B Method for determining at lest one state parameter in electric arc furnace and electric arc furnace |
| 01/26/2011 | CN101078515B Improved burner panel and related method |
| 01/25/2011 | US7875236 Linear hearth furnace system and methods regarding same |
| 01/20/2011 | US20110011211 Metallurgical process and plant herefor |
| 01/20/2011 | DE19921161B4 Elektroschlacke-Umschmelzanlage mit einer Kokille und einer Haube Electroslag remelting plant with a mold and a hood |
| 01/19/2011 | CN201713538U Pneumatic slag-blockage slag adhesion prevention device of converters |
| 01/19/2011 | CN201713537U Traveling mechanism of fire-baffling door |
| 01/19/2011 | CN201713536U Phi 5.5mm cord yarn steel hot-finished rod production device |
| 01/19/2011 | CN101949474A Heat-resistance stainless steel exhaust pipe and manufacturing method thereof |
| 01/19/2011 | CN101948985A Low-alloy cast steel |
| 01/19/2011 | CN101948980A Method for producing industrial pure iron |
| 01/19/2011 | CN101948979A Method for producing industrial pure iron |
| 01/19/2011 | CN101948941A Device for connecting converter body and trunnion ring |
| 01/19/2011 | CN101947549A Production technology for inhibiting nickel-saving austenitic stainless steel hot-rolled plate edge crack |
| 01/19/2011 | CN101565771B Calcium treatment method for molten steel in steel making |
| 01/19/2011 | CN101545024B Method for blowing desulphurized molten iron in converter |
| 01/19/2011 | CN101525678B Method of replacing lime with limestone for slagging and producing steel in oxygen top blown converter |
| 01/19/2011 | CN101519709B Gas supply method in high-carbon regions during smelting stainless steel by AOD furnace |
| 01/19/2011 | CN101428294B Method for shortening prescriptive period of high-carbon steel wire rod for drawing |
| 01/18/2011 | US7871560 Metallurgical vessel with fixing system |
| 01/18/2011 | CA2483131C Lance for injecting particulate material into liquid metal |
| 01/13/2011 | DE102009030190A1 Injection-metallurgical process for blowing solid particles in metallic melt using conveying gas, comprises superimposing pneumatic particle-loaded gas conveying stream with an impulse frequency |
| 01/13/2011 | DE102009026076A1 Kühlbett für Schlacken und Verfahren zum Kühlen von Schlacken Cooling bed for slag and method for cooling dross |
| 01/12/2011 | CN201704352U Raw material preheating shoot charging system of oxygen top-blown steelmaking converter |
| 01/12/2011 | CN201704351U Steelmaking oxygen lance lifting mechanism |
| 01/12/2011 | CN101942597A Production method of gear steel |
| 01/12/2011 | CN101942539A Method for smelting molten iron to form rerolled steel by oxygen blowing blast furnace |
| 01/12/2011 | CN101942538A Process and equipment for dust collection and heat recovery by converter gas dry method |
| 01/12/2011 | CN101941021A Method for producing extra-deep drawing cold-rolled steel plate based on ASP process |
| 01/12/2011 | CN101619376B System for recovering converter gas sensible heat |
| 01/12/2011 | CN101432446B Direct smelting plant |
| 01/11/2011 | CA2421284C Solid state reduction of oxides |
| 01/05/2011 | EP2270240A2 Charging device and method for a melting furnace |
| 01/05/2011 | CN201695059U Water cooling furnace mouth device |
| 01/05/2011 | CN101935805A Grate bar and preparation method thereof |
| 01/05/2011 | CN101935803A As-cast state medium plate cold stamping die alloy steel and manufacturing process thereof |
| 01/05/2011 | CN101935741A Fluorine-free efficient compound scorification and slagging furnace burden |
| 01/05/2011 | CN101935737A Device for integrally detecting height of oxygen lance height and looseness and tightness of steel wire rope of oxygen gun |
| 01/05/2011 | CN101935736A Water-cooling movable smoke hood |
| 01/05/2011 | CN101935735A Production method for combined forging and pressing oxygen lance nozzle and mould special for same |
| 01/05/2011 | CN101935734A Method for reducing rephosphorization amount in convertor steelmaking process |
| 01/05/2011 | CN101643829B Cold rolling orientation silicon steel production technology |
| 01/05/2011 | CN101597664B Oxygen top-blown converter steelmaking method |
| 01/05/2011 | CN101566434B Converter movable hood flexible ring mechanical sealing device and sealing method |
| 01/05/2011 | CN101550516B Method for revolving furnace smelting 45CrMnMo steel |
| 01/05/2011 | CN101381844B Production technology of cold working die steel material |
| 01/04/2011 | CA2487879C Injection device and process for the injection of a fluid |
| 01/04/2011 | CA2367224C An austenitic stainless steel less crack-sensitive during forming and a manufacturing method thereof |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/29/2010 | EP2082068B1 Method for operating a converter |
| 12/29/2010 | EP1431404B1 Method for refining molten iron containing chromium |
| 12/29/2010 | CN201687955U Nitrogen sealing valve for converter sublance |
| 12/29/2010 | CN201686717U Water-cooling carbon oxygen gun |