| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
|---|
| 12/18/2013 | CN103451366A Calcium adding method for deoxidation calcium treatment of liquid steel |
| 12/18/2013 | CN103451365A Calcium adding method for deoxidation calcium treatment of liquid steel |
| 12/18/2013 | CN103451364A LF (low-frequency) furnace deep-desulfurization method suitable for ultra-low sulfur pipeline steel |
| 12/18/2013 | CN103451363A Portable feeding LF (ladle furnace) |
| 12/18/2013 | CN103451362A Method for carrying out boron microalloying on steel by using boric acid instead of ferroboron |
| 12/18/2013 | CN103451350A Method for controlling nitrogen content in molten steel |
| 12/18/2013 | CN103451349A Control method for preventing nozzle clogging in casting process of ultra-low carbon-aluminium deoxidized molten steel |
| 12/18/2013 | CN103447480A Smelting and casting operation method for producing automobile engine cylinder by adopting composite iron casting technology |
| 12/18/2013 | CN102758129B Method for manufacturing non-spangle galvanized sheet DX54D+Z from aluminum killed steel |
| 12/18/2013 | CN102758062B Composite silicomanganese deoxidizer and preparation method thereof |
| 12/18/2013 | CN102758057B Silicon-manganese-calcareous shale deoxidizer and preparation method thereof |
| 12/18/2013 | CN102747195B Protective device for sealing ring of VD furnace vacuum tank |
| 12/18/2013 | CN101875994B Weathering resistant steel microalloying compound core-spun yarn |
| 12/17/2013 | US8608370 Combination holding furnace and electromagnetic stirring vessel for high temperature and electrically conductive fluid materials |
| 12/11/2013 | EP2670870A1 Process for producing high strength steel, and to a steel produced thereby |
| 12/11/2013 | CN203333711U Cooling protection device of sealing rings |
| 12/11/2013 | CN203333710U Novel groove trolley locking device |
| 12/11/2013 | CN203333709U Refined steel ladle |
| 12/11/2013 | CN203333708U Monitoring device for operation of gas permeable brick |
| 12/11/2013 | CN203333707U Powder-injection desulfurization device for RH molten steel refining |
| 12/11/2013 | CN203333706U Lateral-guided type lifting guide pipe for LF ladle refining furnace metal thread feeding machine |
| 12/11/2013 | CN203333699U Steel ladle collector nozzle drainage device capable of preventing tempering |
| 12/11/2013 | CN103443298A Environmentally friendly flux for desulfurization of molten steel |
| 12/11/2013 | CN103443297A Method for adding zinc to molten steel and process for producing zinc-ontaining steel |
| 12/11/2013 | CN103436814A Ultra-low-temperate ribbed steel bar for liquefied natural gas tank, and preparation method thereof |
| 12/11/2013 | CN103436808A Low-carbon equivalent high strength and toughness cast steel and preparation method thereof |
| 12/11/2013 | CN103436797A Method for producing phosphorus-containing ferrite stainless steel by using iron oxide type laterite and product thereof |
| 12/11/2013 | CN103436793A Manufacturing method for alloy steel for automobile wheel hub |
| 12/11/2013 | CN103436777A Method for refining cold forging steel |
| 12/11/2013 | CN103436768A Method for preparation of high-strength stainless steel by using high alloy melt |
| 12/11/2013 | CN103436766A Preparation method for nickel-chrome-containing alloy steel |
| 12/11/2013 | CN103436765A Preparation method for niobium microalloyed steel |
| 12/11/2013 | CN103436764A Process for producing heat-resisting alloy steel casting below 1100 DEG C |
| 12/11/2013 | CN103436660A Long-life alloy blanking port of vacuum refining furnace |
| 12/11/2013 | CN103436659A Vacuum refining system for positive displacement pump and process method of vacuum refining system |
| 12/11/2013 | CN103436658A Flux capable of reducing oxidability of steel ladle top dross |
| 12/11/2013 | CN103436657A Welding wire steel smelting process capable of preventing welding spatter |
| 12/11/2013 | CN103436656A Method for carrying out boron microalloying on steel by using borax instead of ferroboron |
| 12/11/2013 | CN103436655A Method for removing and refining inclusion and bubble from molten metal |
| 12/11/2013 | CN102796848B Valveless control loop for full-steam vacuum distillation (VD) vacuum refining furnace |
| 12/11/2013 | CN102660663B Method for smelting super third-generation double-phase stainless steel by using intermediate frequency furnace |
| 12/11/2013 | CN102653814B Processing method for boron mud reutilization |
| 12/11/2013 | CN101928809B Method for modifying RH molten steel refined ladle slag |
| 12/10/2013 | US8603387 Water-cooled cover for a treatment vessel for metal melts |
| 12/05/2013 | WO2013180219A1 Lining structure for molten-metal container |
| 12/04/2013 | CN203320050U Circulating tube for Ruhrstahl Heraeus (RH) furnace |
| 12/04/2013 | CN203320045U Steelmaking machining system |
| 12/04/2013 | CN103429765A Material feeding system |
| 12/04/2013 | CN103422033A Deformed steel bar used at low temperature and production process thereof |
| 12/04/2013 | CN103422032A Manufacturing method for stainless steel ingots for thermonuclear fusion reactor |
| 12/04/2013 | CN103422019A Method for manufacturing ultra-fine steel wire |
| 12/04/2013 | CN103422006A Boron-containing steel production method for reducing steel ladle lining refractory consumption |
| 12/04/2013 | CN103421931A Vacuum refining furnace lower groove with long service life |
| 12/04/2013 | CN103421930A Novel tire cord steel refined material formula and preparation method thereof |
| 12/04/2013 | CN103421929A Method for controlling carbon in refining process of pipeline steel with X90 and above grade |
| 12/04/2013 | CN103418780A Purge plug |
| 12/04/2013 | CN102776326B Dust removal and two-medium waste heat generation system for argon oxygen decarburization converter |
| 12/04/2013 | CN102373316B Control method of slag system of ladle refining furnace |
| 11/27/2013 | EP2666880A1 Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
| 11/27/2013 | CN203307375U Multilayer core spun yarn |
| 11/27/2013 | CN203307374U Wire stop equipment at wire inlet end of wire feeding machine in ladle refining furnace |
| 11/27/2013 | CN103415637A High-carbon steel wire having excellent drawability and fatigue properties after drawing |
| 11/27/2013 | CN103409596A Regeneration and cyclic utilization method for refining slag |
| 11/27/2013 | CN103409595A Dephosphorization and steel-making method of vanadium-containing molten iron |
| 11/27/2013 | CN103409594A Method for casting anti-hydrogen sulfide medium special steel small-caliber valve |
| 11/27/2013 | CN103409593A Method and apparatus for spirally spraying-blowing coating nanoparticle powder to steel liquid |
| 11/27/2013 | CN102851447B Outside-furnace refining production method of steel used in carbon steel welding wire |
| 11/27/2013 | CN102776327B Furnace tilting control method for prolonging service life of AOD furnace |
| 11/27/2013 | CN102766705B Method for recycling granular iron and stabilizing temperature of KR procedure |
| 11/27/2013 | CN102644022B Manufacturing method for ferritic stainless steel strip containing molybdenum |
| 11/27/2013 | CN102517428B Method for producing low compression ratio crack detection thick plate |
| 11/27/2013 | CN101759437B Refractory composition for constructing dome portion of fluidized bed reduction furnace for reduction of iron ore |
| 11/21/2013 | WO2013172613A1 High cleanliness molten steel production method and refining device |
| 11/20/2013 | EP2663662A1 Method of desulfurizing steel |
| 11/20/2013 | EP2663660A2 Agent for treating molten metals, method for the production and use thereof |
| 11/20/2013 | CN203295552U Energy-saving and environmental-friendly RH vacuum refining device |
| 11/20/2013 | CN203295551U Sealed argon blowing device for rotating body |
| 11/20/2013 | CN203295550U Air brick with arc slits |
| 11/20/2013 | CN203295549U AOD (Argon Oxygen Decarburization) furnace capable of shortening stainless steel refining time |
| 11/20/2013 | CN203295548U Steelmaking and refining composite cored wire |
| 11/20/2013 | CN203295547U Novel RH alloy vacuum loading hopper |
| 11/20/2013 | CN103403194A Method of desulfurizing steel |
| 11/20/2013 | CN103397281A High-strength steel and preparation method thereof |
| 11/20/2013 | CN103397249A Low-oxygen and low-carbon electrical steel and production method thereof |
| 11/20/2013 | CN103397245A Method for improving smelting quality of molten ductile iron |
| 11/20/2013 | CN103397146A Production method of pipeline steel |
| 11/20/2013 | CN103397145A Vacuum cyclic degassing refining device for molten steel |
| 11/20/2013 | CN103397144A Vacuum cyclic degassing single-nozzle refining device for molten steel |
| 11/20/2013 | CN103397143A Refining method for improving Ti-IF nozzle clogging |
| 11/20/2013 | CN103397142A AOD (argon oxygen decarburization) refining and smelting process for preparing super duplex stainless steel pump valve |
| 11/20/2013 | CN103397141A Smelting method of high-aluminum stainless steel |
| 11/20/2013 | CN103397140A System and method for predicating amount of refining slag required during refining and desulfuration of LF (Ladle Furnace) on line |
| 11/20/2013 | CN103397137A Preparation method of wheel steel |
| 11/20/2013 | CN103397135A Recarburization technology for converter short-flow steelmaking |
| 11/20/2013 | CN103397131A Pure iron smelting method |
| 11/20/2013 | CN103397130A Composite iron alloy for producing vanadium iron and vanadium by using silicon barium iron alloy as reducing agent |
| 11/20/2013 | CN103394683A Molten iron desulphurization line based online reladling system |
| 11/20/2013 | CN102719615B Smelting method of steel for raw material pure iron |
| 11/20/2013 | CN102471828B Method for producing alloy ingots |
| 11/20/2013 | CN102433498B Q550 D high-quality structural iron medium and heavy plate and production method thereof |