| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 07/24/2013 | CN203080011U Improved dip downcomer of vacuum circulation refining furnace |
| 07/24/2013 | CN203080010U Shielding cover of vacuum degassing furnace |
| 07/24/2013 | CN203080009U Furnace lid of refining furnace |
| 07/24/2013 | CN203080002U Converter vacuum smelting device |
| 07/24/2013 | CN203080000U Torsion spring type spring roller |
| 07/24/2013 | CN203079321U Powder particle delivery device |
| 07/24/2013 | CN103215410A Method for improving cleanness of Nb-Ti containing steel |
| 07/24/2013 | CN103215409A Metallurgical method for refining grains of steel by modifying inclusions through addition of magnesium and aluminum |
| 07/24/2013 | CN103215406A Low-carbon and ultralow sulfur steel smelting method |
| 07/24/2013 | CN103215405A Method for dephosphorization treatment on molten iron by using stainless steel self-produced dedusting ash ball |
| 07/24/2013 | CN102766748B Production method of low-temperature steel plate capable of being welded by high heat input |
| 07/24/2013 | CN102586685B Smelting process of steel for high-titanium alloy welding wire |
| 07/24/2013 | CN102382929B Production technology of 37Mn5 steel |
| 07/24/2013 | CN102251073B Deoxidizing and carburizing agent for semisteel, and preparation and application methods thereof |
| 07/17/2013 | CN203068970U Argon oxygen decarburization (AOD) furnace brick used for stainless steel manufacturing equipment |
| 07/17/2013 | CN203065513U Anti-clogging RH top blowing powder spraying device |
| 07/17/2013 | CN203065512U RH vacuum tank device |
| 07/17/2013 | CN203065511U Novel composite metal wire and bar |
| 07/17/2013 | CN203065510U Steel ladle refining furnace |
| 07/17/2013 | CN203065509U Induction smelting vacuum degassing equipment |
| 07/17/2013 | CN203061866U Water model test ventilating device for steel-making laboratory |
| 07/17/2013 | CN103205537A Continuous measuring method for molten steel temperature during LF (ladle furnace) finery production procedure |
| 07/17/2013 | CN103205536A Semi-steel dephosphorizing agent and semi-steel dephosphorizing method |
| 07/17/2013 | CN103205535A Method for controlling silicon return for steel with lower silicon content |
| 07/17/2013 | CN103205534A Smelting method for reducing Ca content in steel |
| 07/17/2013 | CN103205533A Torpedo tank car deslagging material and preparation method thereof |
| 07/17/2013 | CN103205532A Method for adding rare earth to steel |
| 07/17/2013 | CN103205531A Automatic steel ladle nitrogen adding device and automatic steel ladle nitrogen adding method |
| 07/17/2013 | CN103205530A Method for preparation of carburant from carbon-rich residue of high temperature coal tar or coal tar pitch |
| 07/17/2013 | CN103205524A Method for smelting low-sulfur steel from semi-steel |
| 07/17/2013 | CN103205522A Method for smelting plain carbon steel from semi-steel |
| 07/17/2013 | CN102643955B Method for producing iron ladle or steel ladle rare residue heat preservation agent by using coal gangue |
| 07/17/2013 | CN101784680B Process for manufacturing steel for steel pipes excellent in sulfur resistance |
| 07/16/2013 | CA2658370C High dimensional cored wires containing oxygen removers and a process for making the same |
| 07/10/2013 | CN203048980U Alloy feed port of vacuum refining furnace |
| 07/10/2013 | CN203048979U Solid metal magnesium alloy cored wire for steelmaking desulfurization |
| 07/10/2013 | CN203048978U Desulphurization spray gun for refining molten iron |
| 07/10/2013 | CN203048977U Molten aluminum-based alloy pneumatic stirring and uniform mixing device |
| 07/10/2013 | CN203048976U Device for improving calcium treatment effect of molten steel |
| 07/10/2013 | CN103194683A Seamless steel tube material for rear earth-containing oil well pipe coupling material and preparation method of seamless steel tube material |
| 07/10/2013 | CN103194574A Dynamic regulation method of VOD refined end point carbon content prediction model |
| 07/10/2013 | CN103194573A Method for treating molten steel calcium, composite calcium line and method for manufacturing steel |
| 07/10/2013 | CN103194567A Smelting process of iron ore containing vanadium |
| 07/10/2013 | CN101713016B Lance duct for vacuum treatment systems |
| 07/03/2013 | CN203034046U Cooling system of vacuum refining furnace |
| 07/03/2013 | CN203034045U Core-spun wire containing potassium/sodium salt and used for steel purification |
| 07/03/2013 | CN103184316A Novel vacuum tank device and method |
| 07/03/2013 | CN103184315A Porous plug, device and method for manufacturing high nitrogen steel using same |
| 07/03/2013 | CN103184314A Smelting method for dephosphorization of hot metal in AOD furnace |
| 07/03/2013 | CN103184313A Steel making composite deoxygenation agent and preparation method thereof |
| 07/03/2013 | CN103184312A Molten steel composite deoxidation method good for improving pouring |
| 07/03/2013 | CN103184311A Preparation method for producing high-strength cast steel slurry pump and special equipment thereof |
| 07/03/2013 | CN103184304A Technology for producing 38CrMoAl steel by converter-LF (low frequency)-RH (rockwell hardness)-continuous casting |
| 07/03/2013 | CN102634639B Slag-iron separating agent |
| 07/03/2013 | CN102560001B Desulfurization and deoxidation process for smelting stainless steel in small-capacity AOD (Argon Oxygen Decarburization) furnace by double-slag process |
| 07/03/2013 | CN102443683B Method for adding boron and cerium during stainless steel melting in low-capacity AOD (Argon-Oxygen Decarburization) furnace |
| 07/03/2013 | CN102419109B Contact type high-efficiency cooling and dedusting device and method |
| 07/03/2013 | CN102418036B 15MnNiDR low alloy steel plate for low temperature pressure vessel and production method thereof |
| 07/03/2013 | CN102382926B Converter steelmaking fluoride-free composite fluxing medium |
| 07/03/2013 | CN102268613B Atmospheric-corrosion-resistant hot-rolled steel plate for railway freight vehicle and manufacturing method thereof |
| 07/03/2013 | CN102146501B Refining method for producing stainless steel by VOD (vacuum oxygen decarburization) blowing CO2 |
| 07/02/2013 | US8475561 Method for producing molten iron |
| 07/02/2013 | CA2729876C Process for producing foamed slag |
| 06/27/2013 | WO2013092357A1 Method for isolating steel melt in a vessel |
| 06/26/2013 | EP2607502A1 Method for insulating a steel melt in a container |
| 06/26/2013 | CN203021604U Moss-shaped ferro-silicon-aluminum composite deoxidization block for steelmaking |
| 06/26/2013 | CN203021603U Terrace-shaped aluminum deoxidization block for steelmaking |
| 06/26/2013 | CN203021602U Aluminum-cladded iron deoxidization block for steelmaking |
| 06/26/2013 | CN203021601U Double-layer solid-core pure-calcium core-spun thread |
| 06/26/2013 | CN203021600U Gear arrangement structure of wire feeder |
| 06/26/2013 | CN203021599U Gear transmission mechanism for wire feeder |
| 06/26/2013 | CN103173593A Molten steel vacuum refining system based on mechanical pump group |
| 06/26/2013 | CN103173592A Ladle covering agent prepared through utilizing blast furnace slag |
| 06/26/2013 | CN103173591A Foundry ladle covering agent |
| 06/26/2013 | CN103173590A On-line KR desulfuration residue treatment device and method applied to hot metal pretreatment process |
| 06/26/2013 | CN103173589A Blow-boiling-type slag gathering device |
| 06/26/2013 | CN103173588A RH (relative humidity) treatment method for low silicon-aluminum killed steel |
| 06/26/2013 | CN103173587A Method for preventing slag from adhering to sublance head of steel refining furnace |
| 06/26/2013 | CN103170797A Compound extrusion preparation method of large-diameter high-quality tube blank or annular blank |
| 06/26/2013 | CN102505098B Low-alloy heat-resistant high-strength steel and member thereof |
| 06/26/2013 | CN102443675B Production method of low-sulfur steel |
| 06/26/2013 | CN102337378B Process for removing non-metallic inclusions in molten steel |
| 06/26/2013 | CN102268512B Control method for inclusion in steel |
| 06/26/2013 | CN102234744B Ultra-pure alloy and method for manufacturing turbine rotor forging by using same |
| 06/26/2013 | CN101875112B Micron/nano metallurgical addition agent |
| 06/20/2013 | US20130154168 Dry processing of, and thermal recovery from, slag |
| 06/20/2013 | US20130152740 Metallurgical method for refining grains of steel by modifying inclusions through addition of magnesium and aluminum |
| 06/20/2013 | US20130152739 Methods of producing nanoparticle reinforced metal matrix nanocomposites from master nanocomposites |
| 06/19/2013 | CN203007320U Mechanical vacuumizing device of VD (Vacuum Degassing) furnace |
| 06/19/2013 | CN203007319U RH vacuum chamber baking system |
| 06/19/2013 | CN203007318U Throttling device for pre-pressing of RH vacuum chamber and pre-pressing system comprising same |
| 06/19/2013 | CN203007317U Blowing type slag accretion device |
| 06/19/2013 | CN203007316U Limiting device for steel trolley of refining furnace |
| 06/19/2013 | CN203007315U Water pipe optimizing device of LF furnace equipment |
| 06/19/2013 | CN203007314U Special automatic blanking machine for electric slag furnace |
| 06/19/2013 | CN103160752A High strength seamless steel pipe with excellent low temperature toughness and manufacturing method thereof |
| 06/19/2013 | CN103160739A Continuously cast 80mm-thick bridge steel Q420qE and preparation process thereof |
| 06/19/2013 | CN103160734A Super-thick steel P460NL1 (L2) plate for pressure vessel and method for producing same |
| 06/19/2013 | CN103160728A High-yield-strength S890QL structural steel medium plate and production method thereof |
| 06/19/2013 | CN103160726A Carbon-iron alloy for recarburization and manufacture method thereof |