| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 07/07/2011 | CA2783625A1 Endoprosthesis containing multi-phase ferrous steel |
| 07/06/2011 | EP2341160A1 Ferritic stainless steel and method for producing the same |
| 07/06/2011 | CN201890897U Air-cooled type desulphurization injection lance |
| 07/06/2011 | CN201890896U Vibrating molding machine for desulphurizing stirring heads |
| 07/06/2011 | CN201890894U Molten iron desulfurizing stirring head |
| 07/06/2011 | CN201890893U Desulfurizing lance |
| 07/06/2011 | CN201890892U Long-service life stirring head for molten iron desulphurization |
| 07/06/2011 | CN201890891U Air-cooled type singly-blowing desulphurization injection lance |
| 07/06/2011 | CN201889844U Desulfurization spray gun vibration forming machine |
| 07/06/2011 | CN102115850A Multi-component low-alloyed large-scale wear-resistant cast steel hammerhead and preparation process thereof |
| 07/06/2011 | CN102115848A Low-carbon fatigue-resistant alloy steel and preparation process thereof |
| 07/06/2011 | CN102115805A Pre-melted refining slag |
| 07/06/2011 | CN102115804A Aluminum slag ball forming device |
| 07/06/2011 | CN102115803A Continuous aluminum slag ball production equipment |
| 07/06/2011 | CN101705339B External desulfurizer for induction furnace and steel-making furnace and desulfurization method |
| 07/06/2011 | CN101215669B High-strength thick steel plate for large-scale petroleum storing tank and low-cost manufacturing method thereof |
| 07/05/2011 | US7972556 Electromagnetic agitator |
| 06/30/2011 | US20110156326 Iron bath-type melting furnace |
| 06/29/2011 | CN201883109U Automatic argon-blowing device |
| 06/29/2011 | CN201883108U Manganese series ferroalloy refining furnace trolley type folding smoke hood |
| 06/29/2011 | CN201883107U Refining furnace with single snorkel |
| 06/29/2011 | CN102108472A High-carbon microalloy round steel for fracture splitting connecting rod of automotive engine and production method thereof |
| 06/29/2011 | CN102108468A Steel for railway locomotive axles and manufacturing method thereof |
| 06/29/2011 | CN102108432A Submerged arc slag of refining furnace |
| 06/29/2011 | CN102108431A Composite-coating granular magnesium desulfurizer |
| 06/29/2011 | CN102108429A Deoxidating and desulfurizating agent for converter steelmaking |
| 06/29/2011 | CN102107265A Ladle covering flux and use method thereof |
| 06/29/2011 | CN101717843B Method for utilizing sulfur-containing refining waste residue for refining slag |
| 06/29/2011 | CN101691644B Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| 06/29/2011 | CN101676410B Aluminum slag, desulfurizer and desulfurizing method for desulfurization of high silicon molten iron |
| 06/29/2011 | CN101629225B Slag synergist |
| 06/29/2011 | CN101376916B Pretreatment method of dephosphorization, desiliconization and desophorization for hot metal |
| 06/28/2011 | US7968045 Installation for production of secondary steel based on scrap |
| 06/28/2011 | CA2689522C Method of producing steel for steel pipe excellent in sour-resistance performance |
| 06/22/2011 | CN201873712U Bottom blowing gas accumulation device of steelmaking ladle |
| 06/22/2011 | CN102105615A Cast slab of non-oriented magnetic steel and method for producing the same |
| 06/22/2011 | CN102105604A Manufacturing method for machine parts having superior rolling-contact fatigue life |
| 06/22/2011 | CN102102138A Method for solving problem of copper segregation in steel |
| 06/22/2011 | CN102102137A Method for reducing internal crack of high carbon steel continuous rolled billet |
| 06/22/2011 | CN101768698B Low cost yield strength 700MPA level non-tempering processing high strength steel plate and manufacturing method thereof |
| 06/22/2011 | CN101724727B Short-flow rotary hearth furnace continuous steelmaking method comprehensively utilizing resources |
| 06/22/2011 | CN101665892B Silicon alloy steel and manufacturing method thereof |
| 06/22/2011 | CN101649381B Method for producing secondary cold-rolling tinning original plate |
| 06/21/2011 | CA2620388C Low carbon resulfurized free-machining steel having high machinability |
| 06/16/2011 | WO2011071152A1 Agent for maintaining surface temperature of molten steel and method for maintaining surface temperature of molten steel |
| 06/16/2011 | WO2011071141A1 Agent for maintaining surface temperature of molten steel and method for maintaining surface temperature of molten steel |
| 06/16/2011 | US20110140320 Rotary degasser and rotor therefor |
| 06/16/2011 | US20110140319 System and method for degassing molten metal |
| 06/15/2011 | EP2331715A1 Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment |
| 06/15/2011 | CN201864744U Molten iron pretreatment desulfuration stirrer |
| 06/15/2011 | CN201864741U Desulfurization and dephosphorization single mixing spray gun |
| 06/15/2011 | CN201864238U Fluidized recirculation device |
| 06/15/2011 | CN102094110A Refining furnace dehydrogenation method |
| 06/15/2011 | CN102094109A Design method for automatic high-pressure water cleaning device |
| 06/15/2011 | CN102094108A Method for realizing deep desulfurization during converter steelmaking through singly-blowing magnesium grain molten iron pretreatment |
| 06/15/2011 | CN102094100A Molten iron dephosphorizing agent and application method thereof |
| 06/15/2011 | CN102091777A Equipment and method for removing nonmetallic slag inclusion in steel and iron smelting process |
| 06/15/2011 | CN102091727A Method for improving internal quality of medium plate |
| 06/15/2011 | CN101775463B Deoxidation alloying process for improving alkalinity of low-carbon, low-sulfur and aluminum-containing steel desulfuration residue |
| 06/15/2011 | CN101705338B Air supplement unit for spraying and blowing system pipeline |
| 06/15/2011 | CN101649371B Desulfurating agent for out-of-furnace treatment and preparation method thereof |
| 06/15/2011 | CN101603117B Slag modifier and preparation method and using method thereof |
| 06/15/2011 | CN101591755B Uncoated tinplate base for acidic food can and manufacturing method thereof |
| 06/15/2011 | CN101553583B Process for producing extra-low-sulfur low-nitrogen high-cleanliness steel through melting |
| 06/15/2011 | CN101530896B High casting speed continuous casting covering slag used for ultra-low-carbon steel |
| 06/15/2011 | CN101314802B Complex deoxidization process for nitrogen containing diphasic stainless steel |
| 06/15/2011 | CN101298631B In situ mechanically rabbled furnace external desulfurization method and apparatus |
| 06/14/2011 | US7959709 Method of producing steel for steel pipe excellent in sour-resistance performance |
| 06/14/2011 | CA2519728C Method for producing foamed slag on high-chromium melts in an electric furnace |
| 06/08/2011 | EP2329054A1 Production of ferro-alloys |
| 06/08/2011 | CN201857405U Bent and straight combined cooler for relative humidity (RH) dry type vacuum pumping system |
| 06/08/2011 | CN1678761B Steel material having little alumina cluster |
| 06/08/2011 | CN102089446A Process for producing foamed slag |
| 06/08/2011 | CN101634524B Casting method of electric furnace water cooling cast steel furnace cover |
| 06/03/2011 | WO2011065479A1 High-strength ultra-thick h shape steel and process for production thereof |
| 06/03/2011 | WO2011043699A3 Metallurgical facility |
| 06/02/2011 | US20110127701 Dynamic control of lance utilizing co-flow fluidic techniques |
| 06/02/2011 | CA2721650A1 Process to reduce steel furnace slag carry-over during tapping |
| 06/01/2011 | CN201850288U Dry-type mechanical vacuumizing automatic detection system |
| 06/01/2011 | CN201850287U Feed pipe for vacuum cyclic degassing furnaces |
| 06/01/2011 | CN201850286U Quick replacing device for wire feeding pipe of wire feeder |
| 06/01/2011 | CN201848789U Clamp for preventing electrode accidents |
| 06/01/2011 | CN201848165U High-temperature particle separator for RH (relative humidity) dry-type vacuum-pumping system |
| 06/01/2011 | CN102080193A Structural steel for welding with ultra-great heat input and manufacturing method thereof |
| 06/01/2011 | CN102080189A Structural steel for high-heat input welding and manufacturing method thereof |
| 06/01/2011 | CN102080188A CrNiMo series easily cut pinion steel and manufacturing method thereof |
| 06/01/2011 | CN102080184A 75-mm Z15 series steel plate prepared by rolling 250-mm casting blank and production method of 75-mm Z15 series steel plate |
| 06/01/2011 | CN102080183A Q345GJ series structural steel plates for ultra-thick building and production method thereof |
| 06/01/2011 | CN102080143A High-purity refining synthetic slag and preparation method thereof |
| 06/01/2011 | CN102080142A Top lance automatic fixing system |
| 06/01/2011 | CN102080141A Automatic coupling device for pretreating molten pig iron |
| 06/01/2011 | CN102080140A Low-energy-consumption reduction nitridation production process of vanadium oxide |
| 06/01/2011 | CN101748236B Method for controlling titanium component content in molten steel |
| 06/01/2011 | CN101717842B Method for dephosphorization and desulphurization in process of steel production in induction furnace |
| 06/01/2011 | CN101693982B Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof |
| 06/01/2011 | CN101649421B Manufacturing method of niobium microalloyed steel continuous casting thick plate blank |
| 06/01/2011 | CN101649418B Ferrite stainless steel cold-rolled steel band and manufacturing method thereof |
| 06/01/2011 | CN101633999B Austenitic stainless steel, steel tube thereof and manufacturing method thereof |
| 06/01/2011 | CN101613837B Manufacturing method of titanium micro-alloyed steel continuous casting heavy slab |
| 06/01/2011 | CN101608285B Interstitial free (IF) hot rolled strip and manufacturing method thereof |