Patents
Sitemap › C21 - Metallurgy of iron › C21C - Processing of pig-iron, e.g. refining, manufacture of wrought-iron or steel; Treatment in molten state of ferrous alloys › C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups
Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
06/2014
06/25/2014CN103882184A 一种高效石灰粉剂产品及生产工艺 An efficient products and production processes of lime powder
06/25/2014CN103882183A 一种用于炼钢工艺中的脱硫精炼渣及其加入方法 A steel-making process and added desulfurization process for refining slag
06/25/2014CN103882182A 一种耐热钢熔体净化方法 A heat-resistant steel melt purification method
06/25/2014CN103882181A 一种含锰钢合金化的工艺 A manganese-containing alloying process
06/25/2014CN103882180A 一种不锈钢预溶液的制造方法 One kind of method for manufacturing the stainless steel pre-solution
06/25/2014CN103882178A 一种回收利用转炉终渣的转炉炼钢工艺 One kind of final slag recycling converter converter steelmaking process
06/25/2014CN103880442A 免烧成塞隆结合刚玉-尖晶石质浇注料及其制备rh插入管预制件内芯的方法 Free firing Theron bonded corundum - spinel castable and insert the tube inner core preform preparation method rh
06/25/2014CN102851433B 一种半钢冶炼帘线钢或硬线钢控制钢中氮含量的方法 A method of semi-steel smelting steel cord steel or hard-line control of nitrogen content in steel
06/25/2014CN102719609B 无缝铝钙铁线及其制备方法 Seamless aluminum calcium and iron wire and its preparation method
06/25/2014CN101775557B 低碳含硼软钢及其制备方法 Boron-carbon mild steel and its preparation method
06/19/2014US20140165784 Recycling of tungsten carbides
06/18/2014EP2743683A1 Molten iron desulfurization method
06/18/2014CN203653608U 一种铁水预处理用的低热应力脱硫喷枪 Low thermal stress of a hot metal desulphurization pretreatment with gun
06/18/2014CN203653607U Lf精炼炉烟尘捕集罩 Lf refining furnace soot trap cover
06/18/2014CN203653600U 一种铁水预处理用的多加强管脱硫喷枪 Pretreatment with molten iron pipe desulfurization multi strengthen gun
06/18/2014CN103870707A Method for predicting temperature changing rule of pure-calcium core-spun yarn in melting and gasifying process
06/18/2014CN103866195A Medium-carbon low-alloy boron-containing steel and heat treatment method thereof
06/18/2014CN103866091A Method and device for supplying nitrogen and argon gases by virtue of RH (Ruhrstahl Heraeus) vacuum chamber insert tube
06/18/2014CN103866090A Sleeve type dip pipe for RH (Ruhrstahl Hereaeus) vacuum refining device
06/18/2014CN103866089A Vacuum tank alloy feed inlet pre-constructing technology
06/18/2014CN103866088A Method for determining amount of slagging material and deoxidized alloy added into LF (Low-Frequency) refining furnace by use of reference heat method
06/18/2014CN103866087A Method for aluminum killed steel for online computation of FeO content in pit slag in low frequency (LF) refining furnace
06/18/2014CN103866086A Production method of double deoxidizer for steelmaking
06/18/2014CN103866085A New technology for reducing continuously-casted circular pipe blank surface pores without performing vacuum treatment on molten steel
06/18/2014CN103866084A Method for adding volatile material into alloy
06/18/2014CN103864150A Preparation method of calcium ferrite
06/18/2014CN103862004A Molten iron treatment method
06/18/2014CN103146888B Molten copper zinc steel external refining agent and preparation method thereof
06/18/2014CN103119394B Steel ladle residual refractory material measurement method and device
06/18/2014CN103102051B Method for preparing calcium ferrite steelmaking slag former by use of galvanizing sludge
06/18/2014CN102851432B Method for removing non-metal foreign substances from pipeline steel
06/18/2014CN102732792B Steel with thickness no lower than 100mm used in vessel in hydrogen environment, and production method thereof
06/17/2014US8753419 Method for treatment of chrome-containing molten iron and slag
06/17/2014CA2745512C Supporting framework for a coil of wire for adding substances to a bath of liquid metal
06/11/2014EP2739757A1 Method and apparatus for dephosphorising liquid hot metal such as liquid blast furnace iron
06/11/2014CN203641005U 一种钢包脱气用的多级罗茨泵 One kind ladle degassing pump with multi-stage Roots
06/11/2014CN203639495U 一种炼钢厂精炼炉门弓结构 One kind of structural steelworks refining bow door
06/11/2014CN103849713A Refining slag for 20 Cr structural alloy steel and preparation method thereof
06/11/2014CN103849712A Fluoride-free refining slag for 20 Cr structural alloy steel and preparation method thereof
06/11/2014CN103849711A Production method of aluminium deoxidation 20 Cr steel
06/11/2014CN103849710A Method for producing high-carbon-chromium bearing steel employing molten iron smelting process of electric furnace
06/11/2014CN103194574B Dynamic regulation method of VOD refined end point carbon content prediction model
06/11/2014CN103146886B Calcium manganese aluminum liquid steel out-of-furnace refining agent and preparation method thereof
06/11/2014CN103146884B Magnesium aluminum silicon steel water boiler external refine agents and preparation method thereof
06/11/2014CN103146877B Steelmaking refining agent containing bamboo charcoal and preparation method thereof
06/11/2014CN102203312B Steel sheet, hot-dip zinc-coated steel sheet and processes for production of same
06/05/2014WO2014082842A2 Spreading device for bulk material on a circular surface and method for operating the same
06/04/2014CN203625419U Rh精炼炉用浸渍管 Rh refining furnace with snorkel
06/04/2014CN103838236A Method for automatic positioning of smelting flat cart
06/04/2014CN103834875A Anti-corrosion elastic alloy material and preparation method thereof
06/04/2014CN103834848A Steel for boron-containing prestressed steel wires and steel strands and smelting process thereof
06/04/2014CN103834766A Dip pipe for RH vacuum refining device
06/04/2014CN103834765A Steelmaking slag-making material
06/04/2014CN103834764A RH furnace top lance oxygen blowing automatic control method and device
06/04/2014CN103834763A Cyclic smelting method of high-carbon steel refining hot slag
06/04/2014CN103014238B AOD converter side blowing gun pipeline system flow control method
06/04/2014CN102943152B Energy-saving production method for smelting electrolytic manganese balls for ultra-low carbon steel RH furnace alloy micro-adjustment
06/04/2014CN102728801B Production technology of base stock for stainless steel precision casting
06/04/2014CN102643952B Method for obtaining slot length and width of bottom powder injection element of ladle
06/04/2014CN102534116B Slag modifier and preparation method and application thereof
05/2014
05/30/2014WO2014080818A1 H-shaped steel and process for producing same
05/28/2014CN203613218U 真空精炼炉机械真空泵抽气管道 Mechanical vacuum pump vacuum refining furnace duct
05/28/2014CN203613217U 一种除气装置 One kind degasser
05/28/2014CN203613216U 精炼钢水包吹氩保温隔热装置 Refining ladle argon blowing insulation device
05/28/2014CN203610656U 一种能够避免渗钢和提高使用寿命的钢包透气装置 A way to avoid infiltration and improve the life of the steel ladle ventilation device
05/28/2014CN103820739A 铁素体耐热铸钢及其制备方法和应用 Ferritic heat-resistant steel and its preparation method and application
05/28/2014CN103820722A 一种钻头、丝锥用的合金钢材料及其制备方法 A drill, tap with the steel material and method
05/28/2014CN103820604A 一种用于真空脱气冶炼炉的抽真空系统 A vacuum degassing smelting furnace vacuum system
05/28/2014CN103820603A 一种奥氏体不锈钢脱磷方法 An austenitic stainless steel dephosphorization method
05/28/2014CN103820602A 一种低碳钢脱锡方法 A low-carbon steel, tin off method
05/28/2014CN103820601A 一种提高低碳低硅铝镇定钢开浇成功率的方法 An enhanced low carbon steel aluminosilicate open casting success rate stabilization methods
05/28/2014CN103031409B 一种利用精炼炉除尘灰炼钢脱氧的新工艺 A refining furnace steelmaking dust deoxygenated use of new technology
05/28/2014CN103014195B 一种kr脱硫渣改质处理的新方法 A new method of desulfurization slag modifier processing kr
05/28/2014CN102965474B 一种高温vd炉防粘渣剂 Vd release a high-temperature furnace slag agent
05/28/2014CN102965463B 一种转炉高效脱磷的工艺 One kind of efficient converter dephosphorization process
05/28/2014CN102936638B 一种采用顶底吹炼的感应炉脱磷方法 An induction furnace method dephosphorizing top and bottom blowing
05/28/2014CN102864378B 一种x70管线钢中厚板坯的冶炼工艺 Smelting process for x70 pipeline plate blank
05/28/2014CN102851581B Hrb700钢筋及其生产方法 Hrb700 reinforced its production methods
05/28/2014CN102732684B 一种在线快速更换rh密封气囊的方法 An online quickly replaced rh sealed balloon method
05/28/2014CN102154534B 一种电弧炉冶炼高硫合金钢及其制备方法 One kind of high-sulfur steel EAF and its preparation method
05/22/2014WO2014077518A1 Method for stabilizing dephosphorous slag produced in reductive dephosphorization process of stainless steel and iron alloy of carbon steel and manganese
05/22/2014WO2014075714A1 Method for the metallurgical treatment of killed steels to be cast continuously, to reduce surface defects in the end product
05/21/2014CN103814142A 用于将液态热金属例如液态高炉铁脱磷的方法和装置 For example, liquid hot metal dephosphorization of liquid iron blast furnace method and apparatus
05/21/2014CN103805847A 用于制作预应力混凝土钢棒的光圆盘条钢筋及加工方法 Production of prestressed concrete reinforced steel bar light rods and processing methods for
05/21/2014CN103805750A 铀污染碳钢或不锈钢熔炼去污用助熔剂 Uranium contamination with carbon or stainless steel smelting decontamination flux
05/21/2014CN103805749A 一种低成本预熔脱磷剂 A low-cost pre-melting dephosphorizer
05/21/2014CN103805748A 一种深脱硫脱硫剂的制备方法 A deep desulfurization sorbent preparation of
05/21/2014CN103805747A 一种以炼钢废料制备脱磷剂的方法 A method for the preparation of steel scrap dephosphorizer
05/21/2014CN103805746A 一种铁水脱硫剂 One kind of hot metal desulfurization agent
05/21/2014CN103805745A 一种铁水脱磷剂 Molten iron dephosphorizer
05/21/2014CN103805744A 一种lf炉精炼剂 One kind lf refining agent
05/21/2014CN103805743A 一种炼钢用包芯线的制备方法 A method of producing a steel cored wire
05/21/2014CN103805742A 一种不锈钢精炼剂 One kind of stainless steel refining agent
05/21/2014CN103805741A 一种硅钙铁包芯线 One kind of silicon calcium iron cored wire
05/21/2014CN103805740A 一种lf炉精炼剂的制备方法 Preparation method of refining agent lf
05/21/2014CN103805739A 一种硅钙铁包芯线 One kind of silicon calcium iron cored wire
05/21/2014CN103805730A 一种低成本预熔脱磷剂的制备方法 A low-cost method for the preparation of pre-melting dephosphorizer
05/21/2014CN103801666A 一种宽厚板坯用高性能保温覆盖剂及其制备方法 One kind of generous slab of high performance insulation covering its preparation method
05/21/2014CN102864282B 一种半钢脱硫增碳的方法 A semi-Carbon steel desulfurization methods
05/21/2014CN102851594B 一种低成本临氢铬钼钢的冶炼控硅方法 Smelting method of controlling a low-cost silicon chromium molybdenum steel with Hydrogen
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