| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 11/20/2013 | CN102382945B Ladle bottom blowing argon supply device |
| 11/14/2013 | WO2013168983A1 Apparatus for manufacturing clean steel and refining method using same |
| 11/14/2013 | WO2013168574A1 Steel having excellent rolling fatigue life |
| 11/13/2013 | CN203284423U Die for producing ferroaluminium compound deoxidant block |
| 11/13/2013 | CN203284422U Multilayer segmented core-spun wire |
| 11/13/2013 | CN203284421U Device of highly-efficiently and rapidly replacing anti-blocking immersion-type wire feeding tube |
| 11/13/2013 | CN203284060U Electrode salvaging device for electric furnace or refined-smelting ladle furnace |
| 11/13/2013 | CN103388105A High-wear-resistance special metal material and manufacturing method thereof |
| 11/13/2013 | CN103388104A Heat resistant alloy and preparation method thereof |
| 11/13/2013 | CN103388101A Vanadium-nitrogen microalloy additive and preparation method thereof |
| 11/13/2013 | CN103388100A Method for controlling carbon equivalent of base iron and application of method |
| 11/13/2013 | CN103388054A System and method for on-line control of molten steel temperature in LF refining |
| 11/13/2013 | CN103388053A Technology for blowing refining steel liquid containing a hydrogen-containing gas mixture under atmospheric condition |
| 11/13/2013 | CN103388052A Production method of deoxidizing low-silicon steel by adding silicon-containing alloy |
| 11/13/2013 | CN103388051A Simple demanganization method for production of low-temperature nodular cast iron |
| 11/13/2013 | CN103388050A Adding method of low-melting-point metal bismuth in free-cutting molten steel |
| 11/13/2013 | CN103388043A A converter low-silicon smelting method |
| 11/13/2013 | CN103388041A Production process for low-cost and highly-clean X80 pipeline steel |
| 11/13/2013 | CN103386470A Method for producing large-sized capless steel ingot by using vacuum pouring method |
| 11/13/2013 | CN102758065B Barium-calcium-silicon molten steel secondary refining agent and preparation method thereof |
| 11/13/2013 | CN102305552B Steel ladle bottom blowing dusting bleed-out detection device and bleed-out detection method |
| 11/13/2013 | CN102105604B Manufacturing method for machine parts having superior rolling-contact fatigue life |
| 11/06/2013 | CN203269974U Condenser and RH vacuum treatment device |
| 11/06/2013 | CN203269973U Feeding device for vacuum induction furnace |
| 11/06/2013 | CN203269972U Alloy material wire feeding machine for casting |
| 11/06/2013 | CN203265553U Die for complex deoxidizer made by aluminum-silicon-manganese alloy |
| 11/06/2013 | CN103382515A System and method for monitoring molten steel temperature in RH refining process in online real-time manner |
| 11/06/2013 | CN103382514A System and method for forecasting molten steel components in RH refining process in online manner |
| 11/06/2013 | CN102851449B Refining furnace molten steel dephosphorization method adopting component adjustment and hermetical blowing of argon gas and oxygen gas |
| 11/06/2013 | CN102758064B Silicon-barium attapulgite deoxidier for steelmaking and preparation method thereof |
| 11/06/2013 | CN102758063B Silicon-manganese-barium alloy deoxidier and preparation method thereof |
| 11/06/2013 | CN102758060B Silicon-barium-aluminum alloy deoxidier and preparation method thereof |
| 11/06/2013 | CN102758058B Silicon-manganese coal ash deoxidier for steelmaking and preparation method thereof |
| 11/06/2013 | CN102747192B Method for smelting ultralow-sulfur steel |
| 11/06/2013 | CN102747191B Molten steel desulfurizer |
| 11/06/2013 | CN102618781B Hot-rolled H-steel for low temperature-resistance structure and preparation method for hot-rolled H-steel |
| 11/06/2013 | CN102586547B Production method for low-cost clean steel |
| 11/06/2013 | CN102433515B MC5 Steel and large-sized flattening roll prepared by using the same, and manufacturing process of MC5 steel |
| 11/06/2013 | CN102296141B Converter steelmaking final slag modifier and use method thereof |
| 11/06/2013 | CN102071287B Method for melting high-temperature-resistance and high-pressure-resistance alloy steel |
| 11/01/2013 | CA2814301A1 Post-combustion lance including an internal support assembly |
| 10/31/2013 | WO2013162260A1 Apparatus for refining molten metal, and refining method using same |
| 10/31/2013 | WO2013161794A1 Rail |
| 10/31/2013 | WO2013161721A1 Molten steel container |
| 10/31/2013 | WO2013161014A1 Secondary refining equipment and secondary refining method for molten steel |
| 10/31/2013 | US20130287619 Neutron shielding material, method of manufacturing the same, and cask for spent fuel |
| 10/30/2013 | CN203256294U Steel-making casting system |
| 10/30/2013 | CN203253885U Funnel type nucleating agent feeding device |
| 10/30/2013 | CN103374643A Anti-longitudinal division final deoxidation method for medium-carbon and alloy structured steel ingots |
| 10/30/2013 | CN103374642A De-oxidation modifying agent for steel ladle top slag |
| 10/30/2013 | CN102766727B Refining deoxidation process for effectively reducing titanium content of tire cord steel |
| 10/30/2013 | CN102703646B Device and method for continuously feeding materials during vacuum smelting |
| 10/30/2013 | CN102676727B Process for controlling smelting silicon content of low-silicon steel |
| 10/30/2013 | CN102605142B Method of auto-setting calculation for proportional coefficient of electrode regulator of ladle refining furnace |
| 10/30/2013 | CN102382941B Refining technology for smelting low-oxygen and low-sulphur purity steel without molten iron pretreatment |
| 10/30/2013 | CN102367503B Method for controlling contents of phosphorus, sulfur and hydrogen in molten steel |
| 10/29/2013 | CA2599956C Guide tube end-piece, assembly and method |
| 10/24/2013 | WO2013117498A9 Gas purging plug comprising wear indicators |
| 10/23/2013 | CN203247287U Vacuum treatment furnace and overflowing slag collection device |
| 10/23/2013 | CN203247286U 真空系统 Vacuum System |
| 10/23/2013 | CN203247285U Full-automation material distributing device of ladle refining furnace |
| 10/23/2013 | CN203247274U Circulating fluidized bed system for recycling converter slag |
| 10/23/2013 | CN103361573A 420MPa grade vanadium-containing nitrogen steel and production method thereof |
| 10/23/2013 | CN103361552A V-N microalloying 460MPa-level thick plate and manufacturing method thereof |
| 10/23/2013 | CN103361551A V-N microalloying based high toughness ship board and preparation method thereof |
| 10/23/2013 | CN103361549A Steel plate with excellent hydrogen induced cracking resistance, and manufacturing method of the same |
| 10/23/2013 | CN103361543A Cerium iron alloy and preparation and usage methods thereof |
| 10/23/2013 | CN103361542A Wheel steel smelting process |
| 10/23/2013 | CN103361468A Treatment method for continuous casting of thermal steel slag |
| 10/23/2013 | CN103361459A Stirring connection device and stirring system for KR molten iron desulphurization method |
| 10/22/2013 | US8562713 Flexible minimum energy utilization electric arc furnace system and processes for making steel products |
| 10/17/2013 | WO2013152938A1 Method for operating a vacuum melting system and vacuum melting system operated according to said method |
| 10/17/2013 | WO2013152936A1 Method for operating a vacuum melting system, and vacuum melting system operated according to said method |
| 10/17/2013 | US20130269483 Apparatus And Method For Electromagnetic Stirring In An Electrical Arc Furnace |
| 10/16/2013 | EP2650387A1 Method for operating a vacuum melt assembly and vacuum melt assembly operated according to this method |
| 10/16/2013 | CN203238299U Simple AOD (Argon Oxygen Decarburization) furnace top gun system |
| 10/16/2013 | CN203238298U Torpedo ladle desulfurization spray gun with multi-segment nozzle structure |
| 10/16/2013 | CN203238297U Novel desulfurization gun improving jetting efficiency |
| 10/16/2013 | CN203238296U 脱氧剂浇铸模具 Deoxidizer casting mold |
| 10/16/2013 | CN203238295U Electrode regulating device of ladle refining furnace |
| 10/16/2013 | CN103352172A Sea platform steel having thickness of 150mm, and production method thereof |
| 10/16/2013 | CN103352171A High-alloy steel D2 rolling method |
| 10/16/2013 | CN103352168A Low-carbon and high-chromium steel and converter smelting technology thereof |
| 10/16/2013 | CN103352102A Rotary vacuum degassing device |
| 10/16/2013 | CN103352098A Desulfuration spray gun |
| 10/16/2013 | CN102787196B Method for smelting stainless steel by direct reduced iron |
| 10/16/2013 | CN102618695B Deoxidizing agent for steelmaking of electric converter and preparation method thereof |
| 10/16/2013 | CN102560008B Submerged arc slag for refining aluminum-containing low-silicon steel ladle and preparation method for submerged arc slag |
| 10/16/2013 | CN101993979B Premelting compound refining slag for producing ultra-low sulfur steel |
| 10/15/2013 | US8557014 Method for making liquid iron and steel |
| 10/09/2013 | CN203229549U Novel vacuum tank device |
| 10/09/2013 | CN103343289A High-temperature wear-resistant cast steel and preparation method thereof |
| 10/09/2013 | CN103343183A Bottom argon blowing acceleration decarbonizing method for producing IF (Interstitial-Free) steel by using RH (Rotary Hearth) furnace |
| 10/09/2013 | CN103343182A Medium-carbon steel deoxygenation method |
| 10/09/2013 | CN103343179A Converter steelmaking synthetic slag former |
| 10/09/2013 | CN103341610A Method for manufacturing 3Cr steel ribbon steel supporting roll |
| 10/09/2013 | CN103341606A High-magnesium covering agent material capable of being used for tundish and preparing method thereof |
| 10/09/2013 | CN102643980B Automatic production system for manganese metal ball |
| 10/09/2013 | CN101596588B Production equipment of steel shot aluminum |
| 10/08/2013 | US8551905 Metal-carbon compositions |