| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 01/08/2014 | EP2682483A2 Shallow metallurgical wire injection method and related depth control |
| 01/08/2014 | CN203382784U Desulfurization spray gun |
| 01/08/2014 | CN103499011A Sulphur-resistant thick plate and welding technology thereof |
| 01/08/2014 | CN103498100A Low-Ni high-Mn economical low-temperature steel capable of being used at minus 196 DEG C and preparing method thereof |
| 01/08/2014 | CN103498016A Dephosphorization agent prepared by taking slag of decarbonization furnace as raw material and molten iron dephosphorization method |
| 01/08/2014 | CN103495720A Method for manufacturing in-situ nano-particle strengthening Q195 steel |
| 01/07/2014 | US8623271 Apparatus for inducing flow in a molten material |
| 01/03/2014 | WO2014000539A1 Welding method |
| 01/01/2014 | CN203373388U Reliable low-risk RH (Relative Humidity) nitrogen-argon switching system |
| 01/01/2014 | CN203373387U Vacuum system for vacuum smelting |
| 01/01/2014 | CN203373386U RH vacuum refining device capable of lifting vacuum chamber |
| 01/01/2014 | CN203373385U Splashing control system of AOD furnace |
| 01/01/2014 | CN203373384U Dust exhaust hood of argon flushing station |
| 01/01/2014 | CN203373383U LF (low-frequency) refining deoxygenation device capable of improving liquid steel cleanliness |
| 01/01/2014 | CN203371009U Guiding wire feeding mechanism |
| 01/01/2014 | CN103492344A Vacuum degassing tank and method for degassing using same |
| 01/01/2014 | CN103484782A Method for manufacturing large-aperture high-strength gathering and transportation seamless steel tube for environment with high content of hydrogen sulfide |
| 01/01/2014 | CN103484777A Austenitic manganese steel and preparation method of same |
| 01/01/2014 | CN103484765A Thick low-temperature-resistant H-shaped steel for support of railway overhead contact system and preparing method thereof |
| 01/01/2014 | CN103484762A Preparation method of Ti5O9 nanoparticles formed in plain carbon steel |
| 01/01/2014 | CN103484746A Method for remelting high-strength stainless steel |
| 01/01/2014 | CN103484604A Refining method of neodymium iron boron permanent magnet material |
| 01/01/2014 | CN103484603A Low carbon alloy steel smelting technology |
| 01/01/2014 | CN103484602A Slagging agent for iron and steel metallurgy |
| 01/01/2014 | CN103484601A 多功能铁水脱硫系统 Multifunction hot metal desulphurization system |
| 01/01/2014 | CN103484600A Anti-RH (Relative Humidity) resulfurization technology for ultralow-sulfur moderate-thickness plate steel in high-sulfur molten steel smelting |
| 01/01/2014 | CN103484599A Smelting method of high-manganese wear-resistant steel |
| 01/01/2014 | CN103484598A Two-ladle alternating smelting process used for ladle refining |
| 01/01/2014 | CN103484595A Production process of magnesian slag pressing agents |
| 01/01/2014 | CN103480809A Continuous casting method for wide high-carbon martensitic stainless steel plate blank |
| 01/01/2014 | CN102827988B Removing method of chromium-containing slag shell of steel ladle |
| 01/01/2014 | CN102816898B Method of interstitial-free atom steel top slag substance modification |
| 01/01/2014 | CN102146491B Method for smelting clean steel by supplementation and decarburization with CO2 at end of converter blowing |
| 01/01/2014 | CN101880747B Clean steel production method for reducing molten steel total oxygen content |
| 12/27/2013 | WO2013190975A1 Steel material having excellent toughness in weld-heat-affected zone |
| 12/25/2013 | CN203364149U Energy-saving air-supply flue gas discharging device for off-line high-temperature baking of vacuum tank |
| 12/25/2013 | CN203360492U Alloy feeding device used for RH vacuum treatment |
| 12/25/2013 | CN203360491U RH suction nozzle device for external refining |
| 12/25/2013 | CN203360490U Vacuum small cover rotary lifting device for arc heating vacuum treatment refining furnace |
| 12/25/2013 | CN203360489U Online KR desulfurized slag treatment device applied to molten iron pre-treatment technology |
| 12/25/2013 | CN103469106A Large-thickness rack steel plate directly produced by continuous casting billet and manufacturing method of large-thickness rack steel plate |
| 12/25/2013 | CN103469104A Boron-containing double phase stainless steel and boron alloyage smelting method thereof |
| 12/25/2013 | CN103469102A Steel HG785D for tower crane and production method |
| 12/25/2013 | CN103469076A Method for melting ultra-low carbon steel in LF (ladle furnace) |
| 12/25/2013 | CN103469075A Super deep-drawing cold-rolled enamel steel produced by ASP diplex process and manufacturing method thereof |
| 12/25/2013 | CN103469066A Method for producing high-formability steel plate by using heavy and medium plate mill and steel plate manufactured by method |
| 12/25/2013 | CN103469061A Ultra-low carbon steel wire rod for electric conduction and production method thereof |
| 12/25/2013 | CN103469056A High-tensile-to-yield-ratio common hot rolled steel plate and making method thereof |
| 12/25/2013 | CN103469050A Aluminum-containing cold forging steel smelting process |
| 12/25/2013 | CN103469048A Boron-containing steel boron alloying treatment method |
| 12/25/2013 | CN103468945A Half-premelted spherical slag for deep desulfurization and preparation method thereof |
| 12/25/2013 | CN103468910A Production process for safety buffering beam assembly of passenger car |
| 12/25/2013 | CN103468907A Method for producing cold-rolled non-oriented electrical steel based on ASP (AnGang Strip Production) medium thin slab continuous casting and rolling process |
| 12/25/2013 | CN103468881A Method for prolonging service life of RH inserting tube |
| 12/25/2013 | CN103468880A Five-level vacuum pump configuration system and application thereof |
| 12/25/2013 | CN103468879A Clutch-type vacuum alloy feeding system |
| 12/25/2013 | CN103468878A RH processing method for IF (interstitial-free) steel containing carbon with lower limit |
| 12/25/2013 | CN103468877A Vacuum refining process for molten steel |
| 12/25/2013 | CN103468876A Method for forecasting splashing in argon oxygen refined low-carbon ferrochromium production process |
| 12/25/2013 | CN103468875A RH processing method for interstitial-free steel |
| 12/25/2013 | CN103468874A Method for manufacturing low-carbon TWIP steel through AOD (argon oxygen decarburization) furnace |
| 12/25/2013 | CN103468873A Desulphurization agent for refining molten steel and desulphurization method |
| 12/25/2013 | CN103468872A Low-compression-ratio extremely thick vessel plate production process |
| 12/25/2013 | CN103468871A Method for preventing Q345B directly-loaded slabs from having cold-bending cracks |
| 12/25/2013 | CN103468870A Method for removing impurities from byproduct ferrophosphorus |
| 12/25/2013 | CN103468869A Treatment method of tank folding molten steel in LF procedure |
| 12/25/2013 | CN103468868A Method for improving cleanness of low-phosphorous interstitial-free steel |
| 12/25/2013 | CN103468867A Efficient slag mixing agent suitable for sulfur-bearing steel smelting and preparing method thereof |
| 12/25/2013 | CN103468866A Refining technology for molten medium-high carbon steel |
| 12/25/2013 | CN103468865A Method for controlling silicon content in low-silicon aluminum steel refining process |
| 12/25/2013 | CN103468858A Preparation method for 40Cr steel through adopting molten iron and scrap steel |
| 12/25/2013 | CN103468857A Method for controlling content of nitrogen in molten steel in smelting process of converter |
| 12/25/2013 | CN103468853A Smelting process of low carbon steel |
| 12/25/2013 | CN103468852A Production process for special 60 Si2Mn spring steel hot-rolled wire rod for railroad fasteners |
| 12/25/2013 | CN103464695A Calm steel die casting device and process |
| 12/25/2013 | CN102816979B Production method of low-carbon sulfur series free-cutting steel continuous casting billet |
| 12/25/2013 | CN102776440B Method for smelting zirconium-containing alloy steel for welding |
| 12/25/2013 | CN102586543B Steel ladle slag reducing agent with high calcium oxide content, and preparation method thereof |
| 12/25/2013 | CN102534124B Vacuum induction melting method of high-oxygen-content steel |
| 12/24/2013 | US8613790 Lance for injecting solid material into a vessel |
| 12/19/2013 | US20130333518 Environmentally friendly flux for molten steel desulfurization |
| 12/18/2013 | CN203346430U Improved block for RH alloy feed port |
| 12/18/2013 | CN203346429U Furnace bottom masonry structure of bottom-blowing AOD furnace |
| 12/18/2013 | CN103459962A Roof for ladle furnace |
| 12/18/2013 | CN103451534A 60mm steel plate with excellent performance in thickness direction for ocean platform and production method thereof |
| 12/18/2013 | CN103451515A Method for controlling AlN inhibitor content in oriented silicon steel |
| 12/18/2013 | CN103451507A Method for reducing inclusion defect rate of coldly-rolled car plate |
| 12/18/2013 | CN103451429A Method for smelting aluminum-calcium-iron alloy |
| 12/18/2013 | CN103451378A Automatic dust cleaning system and method for vacuum pipeline of molten steel refining dry type vacuum-pumping system |
| 12/18/2013 | CN103451377A Amorphous parent metal smelting method and amorphous parent metal smelting device |
| 12/18/2013 | CN103451376A Method for rapidly and accurately controlling oxidation degree of furnace slag |
| 12/18/2013 | CN103451375A Method for preventing vacuum refining furnace from splashing in process of adding of aluminum in reduction period |
| 12/18/2013 | CN103451374A Production process of aluminium slag adjusting agent for LF refining furnace |
| 12/18/2013 | CN103451373A Magnesium ball used for converter steelmaking and production technology thereof |
| 12/18/2013 | CN103451372A Slagging agent for high-temperature oriented silicon steel heating furnace and preparation method of slagging agent |
| 12/18/2013 | CN103451371A Covering argon blowing protective casting process and device of induction furnace molten steel |
| 12/18/2013 | CN103451370A LF (ladle furnace) treatment method for high-grade pipeline steel |
| 12/18/2013 | CN103451369A Method for dephosphorizing molten iron by utilizing ANS-OB refining furnace |
| 12/18/2013 | CN103451368A Steel desulfurizing method |
| 12/18/2013 | CN103451367A Pre-melting conductive slag for electrochemical deoxygenation and preparation method thereof |