| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 10/08/2013 | US8551209 Method and apparatus for improved process control and real-time determination of carbon content during vacuum degassing of molten metals |
| 10/03/2013 | WO2013146689A1 Method for producing mold steel, mold steel, method of producing pre-hardened mold material, and pre-hardened mold material |
| 10/03/2013 | WO2013143022A1 Unoriented silicon steel and method for manufacturing same |
| 10/02/2013 | CN203222598U Self-adaption modeling device for ladle refining furnace |
| 10/02/2013 | CN1884587B Modified electric oven slagging agent, production process and uses |
| 10/02/2013 | CN103334015A Low-pollution energy conservation slag system used for manufacturing hollow ingot by remelting electroslag in ingot drawing way |
| 10/02/2013 | CN103333994A Production technology of LF refinement submerged arc deoxidizing slag |
| 10/02/2013 | CN103333993A Dephosphorizing method of vacuum induction furnace |
| 10/02/2013 | CN103333992A Rotating electrode device for external electric field deoxidation of metal and slag |
| 10/02/2013 | CN103333991A Ferritic alloy for adjusting content of dissolved oxygen in molten steel, and preparation and usage method thereof |
| 10/02/2013 | CN103333981A Method for smelting high-silicon molten iron by using limestone as slagging material |
| 10/02/2013 | CN103333980A Recycling method of casting slag |
| 10/02/2013 | CN103331417A Cold mold module casting method |
| 10/02/2013 | CN102605144B Steelmaking refining agent and preparation method of steelmaking refining agent |
| 10/01/2013 | US8546292 Metal-carbon compositions |
| 10/01/2013 | CA2643252C Method of making steel |
| 09/26/2013 | WO2013140566A1 Material feeding system |
| 09/25/2013 | CN103328672A Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
| 09/25/2013 | CN103320722A Hardening and tempering type high-strength hydrogen sulfide-resistant steel for petroleum pipe, and manufacturing method of steel |
| 09/25/2013 | CN103320718A Method for producing austenitic stainless steel for 316 LN nuclear power |
| 09/25/2013 | CN103320709A Cold-work die steel material and alloy alterant |
| 09/25/2013 | CN103320704A High performance bearing steel and production method thereof |
| 09/25/2013 | CN103320698A Axle steel and preparation method thereof |
| 09/25/2013 | CN103320675A 300 DEG C-350 DEG C high-temperature resistant alloy material and casting method of 300 DEG C-350 DEG C high-temperature compressor pressure-containing member |
| 09/25/2013 | CN103320577A Method of controlling carbon and nitrogen for the production of car panel by vacuum cycle degassing furnace |
| 09/25/2013 | CN103320576A Recycling method for pulling ladles into refining slag |
| 09/25/2013 | CN103320575A Molten-steel desulphurization dephosphorization treatment agent and preparation method |
| 09/25/2013 | CN103320574A Molten iron dephosphorizing method |
| 09/25/2013 | CN103320573A Application of desulfurized injection residues of LF furnace and thermal insulating agent prepared by desulfurization injection residues of LF furnace |
| 09/25/2013 | CN103320572A Aluminum-free titanium-containing steel anti-flocculation-flow operation method |
| 09/25/2013 | CN103320571A Refining method for reducing inclusions in steel for steel cord |
| 09/25/2013 | CN103320570A Method for manufacturing steel |
| 09/25/2013 | CN103320565A Method for controlling P in smelted H08 welding wire |
| 09/25/2013 | CN102766816B 80Cr14MoV high-carbon high-chromium martensite stainless steel band and preparation method thereof |
| 09/25/2013 | CN102719665B Process method for producing slag-forming agent for making steel by utilizing steel making sludge |
| 09/25/2013 | CN102644018B Smelting process used for plate blanks of medium and heavy plates of hydrogen induced cracking resistant pipeline steel |
| 09/25/2013 | CN102643954B Novel knotted reactor (KR) molten iron desulfurization and temperature reduction process |
| 09/25/2013 | CN102634717B Manufacturing method for steel ingot of axle steel |
| 09/25/2013 | CN102517521B MnCr carburized gear steel and its production method |
| 09/24/2013 | US8541336 Metal-carbon compositions |
| 09/24/2013 | US8541335 Metal-carbon compositions |
| 09/19/2013 | WO2013137292A1 Vacuum refining method of molten steel |
| 09/19/2013 | WO2013134889A1 Process for producing low-cost clean steel |
| 09/18/2013 | CN203200300U Ladle argon-blowing pipe |
| 09/18/2013 | CN203200299U Air blowing gun used for blowing air and removing dregs |
| 09/18/2013 | CN203200298U Torpedo ladle blowing desulfurization water phantom experimental device |
| 09/18/2013 | CN203200297U Novel dual-motor stirring head control system for molten iron desulphurization by KR method |
| 09/18/2013 | CN203200288U Following-type automatic dust removal device for shaking ladle desulphurization |
| 09/18/2013 | CN103305768A Steel for low-carbon equivalent seawater corrosion resisting ocean platform rack and production method of steel |
| 09/18/2013 | CN103305662A Vacuum system for vacuum melting |
| 09/18/2013 | CN103305661A RH (Ruhrstahl-Hereaeus) vacuum refining device capable of realizing hoisting of vacuum chamber |
| 09/18/2013 | CN103305660A Cooling and protecting mechanism of sealing ring |
| 09/18/2013 | CN103305659A Non-oriented electrical steel plate with excellent magnetism and calcium treatment method thereof |
| 09/18/2013 | CN103305658A Method for manufacturing steel material with excellent thermal processing property for high-velocity tool |
| 09/18/2013 | CN103305657A Process for eliminating pulverization pollution of refined white slags |
| 09/18/2013 | CN103305656A IF steel RH vacuum decarburization process control method |
| 09/18/2013 | CN103305655A Method for manufacturing ultra low carbon steel by melting techniques using vacuum-degassing system |
| 09/18/2013 | CN103305654A Tire cord steel deoxidation process capable of controlling brittle inclusion precipitation |
| 09/18/2013 | CN103302260A Molten steel argon blowing method used at steel-making continuous casting workstation |
| 09/18/2013 | CN102888492B Si-Ca-Al-Mg-RE (rare earth) composite deoxidizer and preparation method thereof |
| 09/18/2013 | CN102676948B Preparation method of boron-containing tire cord steel |
| 09/17/2013 | US8535603 Rotary degasser and rotor therefor |
| 09/12/2013 | WO2013131213A1 Non-oriented electrical steel sheet with fine magnetic performance, and calcium treatment method therefor |
| 09/11/2013 | CN203187704U Composite core-spun wire |
| 09/11/2013 | CN103290172A Method for producing ultralow-carbon steel by using VD |
| 09/11/2013 | CN103290171A Aluminum adjustment process |
| 09/11/2013 | CN103290170A A method and a device for obtaining the weight of an alloy in an LF refining furnace |
| 09/11/2013 | CN103290164A Non-vacuum deaeration method for converter steel making |
| 09/11/2013 | CN102560277B Preparation method of steel bar with corrosion resistance used for natural gas transportation pipeline |
| 09/11/2013 | CN102329919B Control method of form of nonmetallic inclusion in steel |
| 09/11/2013 | CN102277471B Manufacturing method of steel |
| 09/10/2013 | CA2773024C Flexible minimum energy utilization electric arc furnace system and processes for making steel products |
| 09/06/2013 | WO2013127869A1 A method of improving slag skimming performance in a hot metal desulphurisation process |
| 09/04/2013 | CN203174148U Vacuum refining system for molten steel |
| 09/04/2013 | CN203174147U Shielding small furnace cover of VD (vacuum degassing) furnace |
| 09/04/2013 | CN203174146U VD (vacuum degassing) furnace shielding small furnace cover with cooling system |
| 09/04/2013 | CN203174145U Automatic nitrogen adding device of steel ladle |
| 09/04/2013 | CN203174144U Furnace cover for ladle refining furnace with double blanking tubes |
| 09/04/2013 | CN103277348A Heating device for pump bodies of water vapor injection pumps |
| 09/04/2013 | CN103276309A Rare earth-containing wet H2S corrosion-resistant seamless steel pipe for hydraulic bracket and production method thereof |
| 09/04/2013 | CN103276306A Method for controlling billet flat bulb steel rolling cracks |
| 09/04/2013 | CN103276299A High-surface quality ferrite stainless steel plate and manufacturing method thereof |
| 09/04/2013 | CN103276289A Production process of 07MnNiVDR steel plate |
| 09/04/2013 | CN103276155A Method for shortening VD vacuum treatment pre-pumping time |
| 09/04/2013 | CN103276154A Preparation method, secondary refining method and refining agent of PMHSS (powder metallurgy high speed steel) |
| 09/04/2013 | CN103276153A Method for reducing nitrogen content of welding steel wire rod |
| 09/04/2013 | CN103276152A Decarburization method by addition of manganese mine in RH |
| 09/04/2013 | CN103276151A Deoxidation method of low-silicon steel by utilization of silicon alloys |
| 09/04/2013 | CN103276150A Spring steel preparation method for controlling spherical oxide inclusions |
| 09/04/2013 | CN103276149A Preparation method of aluminum alloy composite material for automobile heat exchanger |
| 09/04/2013 | CN103276148A Method for reducing influence of casting residue recovery on LF liquid steel carburization |
| 09/04/2013 | CN103276147A Forecasting method of molten steel temperature during LF refining process |
| 09/04/2013 | CN103276146A Efficient anti-blocking quickly-replaceable immersive wire feeding sleeve and method |
| 09/04/2013 | CN103276145A Cold pressing pellet for insulating molten iron |
| 09/04/2013 | CN103276144A Molten iron heat-preservation and cold-setting pellet containing plant fibers |
| 09/04/2013 | CN103276143A Automobile steel and production technology thereof |
| 09/04/2013 | CN103272669A Ball mill liner plate and casting process thereof |
| 09/04/2013 | CN102827989B Production method of low-carbon high-chromium steel |
| 09/04/2013 | CN102517420B Ladle refining deep desulphurization method for low-carbon aluminum killed steel |
| 09/04/2013 | CN102492814B Manufacturing method of straight pull wire for high-carbon steel fine wires |