| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
|---|
| 05/05/2010 | CN101701276A Method for smelting steel round blank of pipeline with hydrogen sulfide corrosion resistance by convertor process |
| 05/04/2010 | CA2409474C Apparatus for injecting solid particulate material into a vessel |
| 04/29/2010 | WO2009130428A3 Flux-cored wire including molybdenum trioxide |
| 04/28/2010 | CN201442964U Positioning device for lifting hot top cap of vacuum cycle degassing furnace |
| 04/28/2010 | CN201442963U Aluminum package of deoxidation and desulfurization compound |
| 04/28/2010 | CN201442962U Molten-steel deoxidation and impurity removal composite pressure block with through hole |
| 04/28/2010 | CN101698925A Low-carbon phosphorus-added high-yield-strength cold rolled steel sheet and manufacturing method thereof |
| 04/28/2010 | CN101698920A High-purity ferrochrome and preparation method thereof |
| 04/28/2010 | CN101698897A Technology of quickly producing white slag capable of strong desulphurizing after converter tapping |
| 04/27/2010 | US7704403 metals and alloys exhibiting long-range ordering and unique electronic character; x-ray fluorescence spectrometry; silicon, aluminum, copper, nickel, chromium, manganese, iron, cobalt, nickel, copper, zinc, or their alloys |
| 04/21/2010 | CN201440039U Novel oxygen lance for secondary refining |
| 04/21/2010 | CN201439533U Novel RH vacuum clearing water condensing device |
| 04/21/2010 | CN201439532U Lead wire device of metal wire feeding machine |
| 04/21/2010 | CN101696484A Chromium-containing HRB400 hot-rolled ribbed steel bar and production method thereof |
| 04/21/2010 | CN101696465A 埋弧发泡剂 Submerged blowing agent |
| 04/21/2010 | CN101696464A Calcium iron pressing block for liquid steel refining and preparation method thereof |
| 04/21/2010 | CN101696463A Steel-making heat-generating agent of semisteel subjected to vanadium extraction |
| 04/20/2010 | CA2541319C Method of producing steel ingot |
| 04/15/2010 | US20100089202 Method for the reduction of a slag having a high degree of chromium in an electric arc furnace |
| 04/14/2010 | CN201437545U Special wire feeding machine for automatically controlling metallurgy |
| 04/14/2010 | CN201437544U 不锈钢aod炉 Stainless steel furnace aod |
| 04/14/2010 | CN201437543U Low-cost molten iron pretreatment spray lance |
| 04/14/2010 | CN101693982A Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof |
| 04/14/2010 | CN101693940A Utilizing method of waste slag of vacuum degassing refining furnace |
| 04/14/2010 | CN101693939A Rare earth Al-Ca-Fe alloy for steel-making |
| 04/14/2010 | CN101693938A Molten steel protection method of intermediate frequency induction furnace |
| 04/14/2010 | CN101693929A Method for preparing slagging scrap by using steel-making waste residue |
| 04/14/2010 | CN101323895B Technological process for removing fine occluded foreignsubstance in molten steel |
| 04/13/2010 | CA2581039C Feed apparatus and portable dust collector |
| 04/13/2010 | CA2497614C A slag conditioner composition, process for manufacture and method of use in steel production |
| 04/07/2010 | EP2172570A2 Lance cut for vacuum treatment systems |
| 04/07/2010 | CN201436302U Feeding device for ladle furnace |
| 04/07/2010 | CN101691644A Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| 04/07/2010 | CN101691640A High strength low alloy wear resistance steel plate and preparation method thereof |
| 04/07/2010 | CN101691639A Alloy vessel plate and production method thereof |
| 04/07/2010 | CN101691636A Preparation method of calcium alloy by using gas calcium |
| 04/07/2010 | CN101691622A Converter dephosphorization pretreatment and slagless decarburization method |
| 04/07/2010 | CN101250660B Method for vacuum smelting titanium alloy containing titanor metal |
| 04/07/2010 | CN101153371B High-strength cold-formed hot continuous rolled steel plate and method of preparing the same |
| 04/01/2010 | US20100078862 Lance duct for vacuum treatment systems |
| 03/31/2010 | CN201435844Y Regulation device of electrode distribution circle diameter |
| 03/31/2010 | CN201433227Y Steel-making desulfurization fluidized-bed |
| 03/31/2010 | CN101684538A Structural steel for bridge and method for manufacturing same |
| 03/31/2010 | CN101684534A Steel plate adapting to large-linear energy welding and manufacturing method thereof |
| 03/31/2010 | CN101684513A Silicon-boron deoxidizer and using method |
| 03/31/2010 | CN100596309C Secondary refining method of 10 to 30 tons bottom breakout ladle |
| 03/25/2010 | US20100071509 Method of producing steel for steel pipe excellent in sour-resistance performance |
| 03/24/2010 | CN201427977Y High-temperature monitoring device of refining furnace |
| 03/24/2010 | CN101676410A Aluminum slag, desulfurizer and desulfurizing method for desulfurization of high silicon molten iron |
| 03/24/2010 | CN100595304C Composite alloy for steel-making deoxidization and microalloying |
| 03/23/2010 | US7682418 Cored wire injection process in steel melts |
| 03/18/2010 | US20100064849 Method and Apparatus for Manufacturing High-Purity Alloy |
| 03/17/2010 | EP2163657A1 Steel for high-cleanliness springs excellent in fatigue characteristics and high-cleanliness springs |
| 03/17/2010 | EP2163654A2 Method for reclaiming dust arising from metallurgy procedures and/or solid dust-form byproducts |
| 03/17/2010 | CN101675176A Steel for high-cleanliness springs excellent in fatigue characteristics and high-cleanliness springs |
| 03/17/2010 | CN101675173A Wire injection lance nozzle insert |
| 03/17/2010 | CN101671764A Slag removing device and method used for molten steel vacuum treatment insert tube |
| 03/17/2010 | CN101671763A Method for increasing nitrogen for smelting high nitrogen stainless steel in argon oxygen decarburizing furnace |
| 03/17/2010 | CN101671762A Production method for medium and low alloy special steel |
| 03/17/2010 | CN100594242C Slag diluent for molten iron desulphurization slag |
| 03/11/2010 | WO2010026934A1 Steel sheet, hot-dip zinc-coated steel sheet and processes for production of same |
| 03/10/2010 | CN101665858A Steel ladle slag modifier for external refining |
| 03/10/2010 | CN101665857A Novel liquid steel refining fluxing slag |
| 03/10/2010 | CN101665856A Steel-making deoxidizer and preparation method thereof |
| 03/10/2010 | CN100593573C Ladle argon-blown quick-replaceable joint device |
| 03/09/2010 | US7674315 techniques for re-introducing iron-rich mill scale back into the basic iron and/or steel process stream whereby valuable economic and environmental benefits may be obtained |
| 03/09/2010 | CA2441839C Ladle refining of steel |
| 03/04/2010 | WO2010022473A1 Production of ferro-alloys |
| 03/04/2010 | CA2735470A1 Production of ferro-alloys |
| 03/03/2010 | EP2159296A1 Hardened and tempered steel and method for producing parts of said steel |
| 03/03/2010 | CN201416016Y Novel flap valve for RH vacuum treatment furnace |
| 03/03/2010 | CN201416015Y Negative pressure automatic drainage device |
| 03/03/2010 | CN201416014Y Anticreep argon blowing device for steel making ladle heating furnace |
| 03/03/2010 | CN101660023A Steel ladle bottom argon blowing technology for removing non-metallic inclusion in molten steel |
| 03/03/2010 | CN101660022A Method for improving steel cleanness of stainless steel |
| 03/03/2010 | CN101660021A Method for desulfurizing ultra-low carbon pure steel in circulating vacuum degassing method |
| 03/03/2010 | CN101660020A Manufacturing method of steel |
| 02/25/2010 | US20100044934 Electromagnetic stirrer |
| 02/24/2010 | CN201413035Y Clamping bolt for vacuum furnace |
| 02/24/2010 | CN201411473Y Top muzzle cover with rolling wheel chute mechanism |
| 02/24/2010 | CN201411472Y TD vacuum refining furnace |
| 02/24/2010 | CN201411471Y RH immersion tube of composite vacuum degasser |
| 02/24/2010 | CN201411470Y Light-tonnage environment-friendly VOD steel ladle refining furnace |
| 02/24/2010 | CN201411469Y Top muzzle cover with parallel four-bar mechanisms |
| 02/24/2010 | CN101654722A External refining ternary synthetic slag for pipe line steel and using method |
| 02/24/2010 | CN101654721A High-efficiency polyelement composite deoxidizer and preparation method thereof |
| 02/24/2010 | CN101654720A Novel deoxidizer for use in steelmaking production |
| 02/23/2010 | CA2341898C A direct smelting process |
| 02/18/2010 | US20100037730 High Dimensional Cored Wires Containing Oxygen Removers and a Process for Making the Same |
| 02/17/2010 | EP2154256A2 Tuyer device for introducing gas media under a liquid metal level |
| 02/17/2010 | EP2152918A1 Novel additive comprising lead and/or a lead alloy intended to treat baths of liquid steel |
| 02/17/2010 | CN201406450Y Steel ladle trolley traveling control device for vacuum circulation degassing method |
| 02/17/2010 | CN201406443Y Mixer for desulfurizing molten iron |
| 02/17/2010 | CN101649374A Swirl flow nozzle of refining furnace |
| 02/17/2010 | CN101649373A Multifunctional nozzle of finery |
| 02/17/2010 | CN101649372A Method for controlling sulfur content in stainless nickel steel liquid in refining furnace |
| 02/17/2010 | CN101649371A Desulfurating agent for out-of-furnace treatment and preparation method thereof |
| 02/16/2010 | US7662247 Microalloying by heating the iron alloy melt to about 1600-1610 degrees C., afterslagging and deoxidizing, and adding fine particle of iron/titanium, iron/rareearth and iron/boron particles packed in a thin plastic bag into the ladle;cost efficiency; free of molybdenum and nickel; pyrometallurgy |
| 02/11/2010 | WO2010015242A1 Inlet nozzle for a degassing vessel for metallurgical melting operating according to the rh method |
| 02/11/2010 | WO2010015020A1 Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment |