| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 02/12/2014 | CN102517422B Slag melting agent of refining furnace of molten steel and production method thereof |
| 02/12/2014 | CN102453830B Preparation method of cast steel |
| 02/12/2014 | CN101874121B Method for pre-treating high-temperature steel-making slag or iron liquid |
| 02/11/2014 | CA2758693C Powder for a wire cored with sulfur, cored wire and method for manufacturing a cored wire using same |
| 02/05/2014 | EP2693145A1 Roof for ladle furnace |
| 02/05/2014 | EP2692874A1 Environmentally friendly flux for desulfurization of molten steel |
| 02/05/2014 | CN203419950U Argon blowing/oxygen blowing liquid steel refining device with vacuum enclosure |
| 02/05/2014 | CN203419949U Improved vacuum degassing device |
| 02/05/2014 | CN203419948U RH top gun position detection device easy to maintain |
| 02/05/2014 | CN203419947U Cooling lump |
| 02/05/2014 | CN103562415A Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method |
| 02/05/2014 | CN103556050A Method for producing wheel steel by adopting LF-RH refining process |
| 02/05/2014 | CN103556033A Addition controlling method of iron copper quantity of alloy ball |
| 02/05/2014 | CN103556028A Magnesium-and-manganese-containing deoxidizing alloy for steel making and deoxidizing method for steel making |
| 02/05/2014 | CN103555892A New method for controlling alkalinity value of molten alloy steel slag system |
| 02/05/2014 | CN103555891A Nonvacuum treatment method for reducing hydrogen content in steel |
| 02/05/2014 | CN103555890A Double-ventilation-element bottom blowing brick device |
| 02/05/2014 | CN103555889A Device and method for quickly removing occluded foreign substances in molten steel |
| 02/05/2014 | CN103555888A Refined steel ladle argon blowing thermal-insulation device |
| 02/05/2014 | CN103555887A VD (vacuum degassing) water cooling furnace cover |
| 02/05/2014 | CN103555886A Method for smelting ultralow-sulfur steel by using vanadium-containing molten iron |
| 02/05/2014 | CN103555885A Method for deoxidizing and alloying molten steel in converter steel ladle |
| 02/05/2014 | CN103555884A Calcium cored wire and method for calcium treatment on molten steel through calcium cored wire |
| 02/05/2014 | CN103555883A Method for adding high-melting-point high-density alloy into LF (ladle furnace) refining furnace |
| 02/05/2014 | CN103555882A Method for adding nitrogen in low carbon stainless steel ladle |
| 02/05/2014 | CN103555881A Manufacturing method of steel ingot for gas cylinder |
| 02/05/2014 | CN102816895B Building method for improved baking cover lining of RH (Rockwell Hardness) vacuum tank |
| 02/05/2014 | CN102758071B Continuous annealing production method for steel for 280 MPa vehicle structure |
| 02/05/2014 | CN102560131B Premelted refining slag and preparation method thereof |
| 02/05/2014 | CN102560006B Utilization method of ferrovanadium slag and premelted refining slag |
| 01/30/2014 | WO2014016387A1 Process for producing an extra-low-carbon or ultra-low-carbon steel slab, strip or sheet, and to a slab, strip or sheet produced thereby |
| 01/29/2014 | EP2690182A1 Process for producing an extra-low-carbon or ultra-low-carbon steel slab, strip or sheet, and a slab, strip or sheet produced thereby |
| 01/29/2014 | CN203411576U Aluminum dross ball with sealing cover |
| 01/29/2014 | CN203411575U Aluminum dross ball with sealing spherical shell |
| 01/29/2014 | CN203411574U Alumina slag ball with novel housing |
| 01/29/2014 | CN203411573U Novel alumina slag ball |
| 01/29/2014 | CN203411572U Aluminous slag ball with sealed housing |
| 01/29/2014 | CN203411571U Aluminum dross ball with casing |
| 01/29/2014 | CN203411570U Novel alumina slag ball with shell |
| 01/29/2014 | CN103540844A Low temperature resistant H-shaped steel and production method thereof |
| 01/29/2014 | CN103540842A Production method of Cr-free high-strength quenched and tempered steel plate for spherical tank |
| 01/29/2014 | CN103540837A Magnesium alloy for steelmaking and steelmaking deoxidization method |
| 01/29/2014 | CN103540836A Steckle mill ultra-wide and heavy steel plate with high toughness and low alloy and production process thereof |
| 01/29/2014 | CN103540833A Smelting method of HIC (Hydrogen Induced Crack)/SSCC (Sulfide Stress Corrosion Cracking)-preventing steel |
| 01/29/2014 | CN103540769A Method for preparing refining stainless steel from laterite-nickel ore and prepared product |
| 01/29/2014 | CN103540729A Production method of wear-resistant steel with high toughness |
| 01/29/2014 | CN103540714A Method for smelting high-grade pipe line steel with RH single-link process |
| 01/29/2014 | CN103540713A VD (vacuum degassing) treatment method |
| 01/29/2014 | CN103540712A Nitrogen increasing method of low-carbon high-nitrogen stainless steel ladle |
| 01/29/2014 | CN103540711A Method for simultaneously removing sulfur and phosphorus from semi-steel |
| 01/29/2014 | CN103540710A Magnesium base complex deoxidization alloy for steelmaking and steelmaking deoxidization method |
| 01/29/2014 | CN103540709A Method for controlling titanium of pure steel |
| 01/29/2014 | CN103540708A Molten iron gasification silicon-removing nano-grade SiO2 recovery method |
| 01/29/2014 | CN103537635A Semi-steel heat-preservation agent and application thereof |
| 01/29/2014 | CN102994700B Smelting method for stably increasing content of boron in boron-containing steel |
| 01/29/2014 | CN102899449B Production technology of extra thick steel plate with super detection standard |
| 01/28/2014 | US8636857 Method to obtain a manganese steel alloy |
| 01/23/2014 | WO2014012302A1 Method for controlling a segregation of steel ingots by purification of molten steel |
| 01/23/2014 | US20140021663 Lance for wire feeding |
| 01/22/2014 | EP2687610A1 Lance for wire feeding |
| 01/22/2014 | CN203403128U Insert pipe for vacuum refining furnace |
| 01/22/2014 | CN103526133A High nickel-chromium and free-cutting stainless steel and preparation method thereof |
| 01/22/2014 | CN103526132A Low-nickel stainless steel with high heat resistance and preparation method of stainless steel |
| 01/22/2014 | CN103526103A Smelting method of garnierite type lateritic nickel ore and product of garnierite type lateritic nickel ore |
| 01/22/2014 | CN103526086A Magnesium alloy for steelmaking, manufacturing method thereof and steelmaking deoxidation method |
| 01/22/2014 | CN103526047A Smelting method of limonite type lateritic nickel ore and product of lateritic nickel ore |
| 01/22/2014 | CN103525982A Single-dip-pipe vacuum refining device and using method thereof |
| 01/22/2014 | CN103525981A RH refining furnace gas supply device variable in gas blowing hole size |
| 01/22/2014 | CN103525980A Magnesia-calcium brick for argon oxygen decarburization (AOD) furnace |
| 01/22/2014 | CN103525979A Semisteel dephosphorizing agent, semisteel dephosphorizing method and steel smelting method thereof |
| 01/22/2014 | CN103525978A Semisteel pretreatment powder and preparation method thereof, and smelting method of vanadium-containing molten iron |
| 01/22/2014 | CN103525977A Dehydrogenation method |
| 01/22/2014 | CN103525976A Solid metal cored wire and preparation method thereof |
| 01/22/2014 | CN103525974A Smelting method for producing duplex stainless steel casting CD3MN with intermediate frequency furnace |
| 01/22/2014 | CN103525970A Production process for suppressing peeling of hot rolled steel strips of 304 austenitic stainless steel |
| 01/22/2014 | CN102965470B Smelting and pouring method of low-silicon and aluminum-controlled steel |
| 01/22/2014 | CN102888490B Method for weak dephosphorization of peritectic steel in argon station |
| 01/22/2014 | CN102758053B Oxidation-resistant ferrotitanium material and preparation process thereof |
| 01/22/2014 | CN102732677B Refining method for preventing carbureting of molten steel in LF (ladle furnace) through utilizing argon plasmas |
| 01/16/2014 | WO2014009327A1 Filler wire and method for treating iron or steel melts |
| 01/15/2014 | CN203393211U Fusion protection cover for feeding ferrochrome powder particles under argon protection atmosphere for intermediate frequency furnace |
| 01/15/2014 | CN203393186U Vacuum circulating degassing refining device for molten steel |
| 01/15/2014 | CN203393185U Vacuum circulating degassing single-nozzle refining device for molten steel |
| 01/15/2014 | CN203393184U Mobile switching device of double-station vacuum refining system |
| 01/15/2014 | CN203393183U Argon blowing control device at ladle bottom |
| 01/15/2014 | CN203393182U Steel ladle aluminum deoxidation compound block for steelmaking |
| 01/15/2014 | CN103512353A Electrode uniformly-pushing device for LF and electrode uniformly-pushing trolley used in electrode uniformly-pushing device |
| 01/15/2014 | CN103510019A Method for prolonging service life of iron chromium aluminum electrothermal alloy |
| 01/15/2014 | CN103509925A Low-cost production process for increasing fault detection qualification rate of Q345R steel plates |
| 01/15/2014 | CN103509913A Argon-blowing oxygen-blowing molten steel refining apparatus with vacuum cap |
| 01/15/2014 | CN103509912A Method for controlling temperature rise in secondary combustion of vacuum refining exhaust gas |
| 01/15/2014 | CN103509911A Method for directly alloying chrome-bearing steel |
| 01/15/2014 | CN103509910A Molten steel refining fluxing agent and its making method |
| 01/15/2014 | CN103509906A Smelting method of non-oriented electrical steel plate with excellent magnetism |
| 01/15/2014 | CN102965472B Cast steel purifying agent and production method thereof |
| 01/15/2014 | CN102925626B Method for improving aluminum-containing killed steel casting performance of Ti system |
| 01/15/2014 | CN102719614B Process for producing anti-acid pipeline steel by Ruhrstahl Heraecus (RH)-ladle furnace (LF)-RH refining |
| 01/15/2014 | CN102363828B Method for preventing longitudinal cracks of steel ingots by performing complex deoxidation by adding titanium and calcium into carbon structural steel and alloy structural steel |
| 01/14/2014 | US8628631 Ferritic stainless steel casting and sheet and method for producing the same |
| 01/08/2014 | EP2682489A1 High-carbon steel wire having excellent drawability and fatigue properties after drawing |