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)
12/2011
12/28/2011	CN102296146A 一种金属缝隙式钢包底吹喷粉装置 Metal ladle bottom blowing slit type spraying device
12/28/2011	CN102296145A 菌糠的新用途及冶金工业用保温覆盖剂 Junkang new uses and metallurgical industrial insulation covering agent
12/28/2011	CN102296144A 一种钢水扒渣方法 Molten steel slag method
12/28/2011	CN102296143A 变频超声波缩短钢包精炼炉化渣时间的方法 Frequency Ultrasonic shorten time ladle furnace slag refining method
12/28/2011	CN102296141A 一种转炉炼钢终渣改质剂及其使用方法 Final converter steelmaking slag modifier and method of use
12/28/2011	CN101921895B 单嘴精炼炉冶炼超洁净钢工艺 Single mouth ultra clean steel refining furnace smelting process
12/28/2011	CN101892352B 一种电弧炉深脱磷工艺及其深脱磷剂 One kind of electric arc furnace technology and deep deep dephosphorization dephosphorizer
12/28/2011	CN101805869B 含硼高铬高速钢轧辊材料及其热处理方法 High chromium boron-speed steel roll material and heat treatment method
12/28/2011	CN101748234B 一种悬浮预还原短流程连续炼钢方法 One kind of suspension of short pre-reduction process continuous steelmaking method
12/28/2011	CN101643819B 铁水脱硫旋转喷枪 Hot metal desulphurization rotating gun
12/22/2011	WO2011158607A1 Circulation tube refractory product for an rh furnace
12/22/2011	WO2011156881A1 Development of synthetic sintered slag for controlling the sulphur content of steels and metal alloys
12/22/2011	WO2011156858A1 Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment
12/21/2011	EP1445337B1 Method for dephosphorization of molten iron
12/21/2011	CN202081128U 氩氧精炼炉余热匀速供汽系统 Argon oxygen refining furnace heat uniform steam supply system
12/21/2011	CN202081127U 脱硫剂喷粉罐流化保压装置 Desulfurizer fluidized spray cans packing equipment
12/21/2011	CN101967535B 一种在低合金钢中获得细小氧化物的合金丝及其制造方法与用途 Get a fine oxide in low alloy steel alloy wire and its manufacturing method and use
12/21/2011	CN101935741B 无氟高效复合造渣化渣炉料 CFC-free high-performance composite slagging slag charge
12/21/2011	CN101845597B 低成本80公斤级特厚调质钢板及其制造方法 80 kg class of low-cost special thick tempered steel and its manufacturing method
12/21/2011	CN101845536B 基于lf炉精炼废渣的钢水复合渣洗剂及其制备方法 Lf based molten steel slag refining complex slag lotion and its preparation method
12/21/2011	CN101660099B 高强度低合金热轧铁素体贝氏体耐候钢及其生产方法 High-strength low-alloy hot rolled ferritic bainite weathering steel and its production method
12/21/2011	CN101643822B 一种超高碱度低铝无氟精炼渣及制备方法和使用方法 An ultra-high alkalinity and low aluminum refining slag freon preparation and method of use
12/21/2011	CN101280390B 一种高强度热轧结构钢板及其制造方法 A high-strength hot rolled structural steel and manufacturing method thereof
12/15/2011	WO2011155140A1 Steel for steel pipe having excellent sulfide stress cracking resistance
12/15/2011	CA2798852A1 Steel for steel tube with excellent sulfide stress cracking resistance
12/14/2011	CN202070731U 一种钢铁合金材料的加工装置 One kind of steel alloy material processing apparatus
12/14/2011	CN102281966A 可更换地固定耐火冲洗砖或套管的方法及金属熔液的容器 Container replaceably fixed refractory brick or sleeve flushing method and the molten metal
12/14/2011	CN102277538A 一种含锡铁素体不锈钢板及其制造方法 A ferritic stainless steel, tin plate and manufacturing method comprising
12/14/2011	CN102277473A 一种提高中厚钢板探伤合格率的生产工艺 An increase in the production process of the thick steel plate inspection pass rate
12/14/2011	CN102277472A 一种lf精炼快速深脱硫方法及深脱硫剂 Lf one kind of fast deep desulfurization refining methods and deep desulfurizer
12/14/2011	CN102277471A 钢的制造方法 The method of producing steel
12/14/2011	CN102277470A 一种冶炼低硅冷镦钢的方法 One kind of low silicon cold heading steel smelting method
12/14/2011	CN102277469A 带煤粉输送功能的高炉直接喷吹煤粉的装置及其工艺 Blast furnace with coal transportation function of the device and its direct pulverized coal technology
12/14/2011	CN102277468A Lf精炼炉钢水温度实时测报方法 Lf refining furnace steel temperature in real-time forecasting method
12/14/2011	CN102277467A 一种转炉出钢过程钢水脱氮的方法 A converter method of molten steel denitrification process
12/14/2011	CN101824580B 一种芯棒材料 One kind of mandrel material
12/14/2011	CN101798616B 一种能有效消除铸钢件表面龟裂的电弧炉炼钢方法 An effective method for eliminating surface cracking EAF steel pieces
12/14/2011	CN101782330B 立式真空精炼炉炉底检修工作层砖的加工砌筑方法 Vertical vacuum refining furnace bottom overhaul story brick masonry processing method
12/14/2011	CN101748243B 一种制备弹簧钢的方法 A method for preparing a spring steel
12/14/2011	CN101736125B 一种粉状铌铁的回收利用方法 Recycling methods a powdered iron niobium
12/14/2011	CN101303196B 用于将气体注入到容器内的装置 Means for injecting gas into the vessel
12/07/2011	CN202063982U 包芯线 Cored Wire
12/07/2011	CN202063981U 氮化钒包芯线 VN cored wire
12/07/2011	CN202063952U 一种用于炼钢真空槽的固定卡栓装置 Fixed latch means for steel vacuum chamber
12/07/2011	CN202063951U 一种真空脱气炉用导流装置 A vacuum degassing furnace deflector
12/07/2011	CN202063950U Vacuum feeding device for refining furnace
12/07/2011	CN202063949U 钒氮合金包芯线 VN alloy cored wire
12/07/2011	CN202063948U 用于钢液合金化的包芯线 For liquid steel alloy cored wire
12/07/2011	CN202063947U 一种新型喂丝机用喂丝导管 A new wire feeding machine feeding wire catheter
12/07/2011	CN102268614A 耐-20℃低温用165ksi钢级钻杆及其制造方法 -20 ℃ low temperature resistant 165ksi grade drill pipe and its manufacturing method
12/07/2011	CN102268613A 一种铁路货车车辆用耐大气腐蚀热轧钢板及其制造方法 A railway vehicle truck atmospheric corrosion resistant hot-rolled steel sheets
12/07/2011	CN102268610A 一种安全鞋防砸钢包头专用钢及其冶炼方法 A safe anti-smashing shoes Baotou Steel and special steel smelting method
12/07/2011	CN102268602A 3Cr油井管及其生产方法 3Cr oil well pipe and production method thereof
12/07/2011	CN102268515A 一种利用气体净化钢锭及减轻a偏析的方法 A use of a gas purification ingots and alleviate segregation methods
12/07/2011	CN102268514A 一种kr脱硫渣铁回收利用方法 One kind kr iron desulfurization slag recycling method
12/07/2011	CN102268513A 一种改善中低碳钢钢水可浇性的方法 A low-carbon steel pouring of molten steel to improve methods
12/07/2011	CN102268512A 钢中夹杂物的控制方法 The control method of inclusions in steel
12/07/2011	CN102267021A 管线钢用埋弧焊丝及其制造方法 Pipeline with submerged arc welding wire and its manufacturing method
12/07/2011	CN101906566B 3mw风电轮毂用低温球铁铸件的制备方法及铸造用添加剂、球化剂 Preparation 3mw wind wheels with low-temperature ductile iron castings and casting additives nodulizer
12/07/2011	CN101886218B 一种J55级37Mn5石油套管的炼钢方法 One kind of J55 oil casing steel grade 37Mn5 method
12/07/2011	CN101829889B 短流程连铸连轧奥氏体不锈钢棒的生产工艺 Short austenitic stainless steel rod continuous casting and rolling process of the production process
12/07/2011	CN101716721B 一种弹簧钢盘条的生产工艺 The production process of a spring steel wire rod
12/01/2011	US20110290076 Adjustable vortexer apparatus
11/2011
11/30/2011	CN202054863U 新型风冷结构的rh插入管 The new air-cooled structure rh insertion tube
11/30/2011	CN202054862U 能冲刷的rh真空室抽真空装置 Rh can scour the vacuum chamber vacuum devices
11/30/2011	CN202054861U 用于吹气赶渣的长寿命吹气枪 Rush for blowing slag blow gun long life
11/30/2011	CN202054860U Cas精炼炉和lf精炼炉双工位共置的钢水精炼处理系统 Cas refining furnace and refining furnace lf co-located duplex steel refining processing system
11/30/2011	CN202054855U 改进截面的机械搅拌脱硫铁水罐 Improved mechanical agitation section ladle desulfurization
11/30/2011	CN102260835A 核电用钢18MnNiMo及其制备方法 Nuclear steel 18MnNiMo its preparation method
11/30/2011	CN102260827A 一种钻铤钢及其制备方法 One kind of drill collar steel and its preparation method
11/30/2011	CN102260822A 高磷低硫无取向电工钢及其冶炼方法 High phosphorus and sulfur non-oriented electrical steel smelting method
11/30/2011	CN102260770A 一种精炼炉用造渣料 One kind of refining furnace slag material
11/30/2011	CN102260769A 应用超声波改善动力学条件的钢包精炼方法 Ultrasonic improve the dynamic conditions of the ladle refining method
11/30/2011	CN102260768A 一种炼钢钢液的静搅方法 One kind of liquid steel steel static mixing method
11/30/2011	CN102260767A -40℃低温铸态大断面球墨铸铁生产工艺 -40 ℃ low-cast ductile iron production technology for large cross section
11/30/2011	CN101838720B 一种降低低碳铝镇静钢钢水氧化性的复合改性材料 A method of reducing carbon aluminum killed steel oxidation of molten steel composite modified material
11/30/2011	CN101786159B 斜插式铁水预处理喷枪及其制造方法 Nesting gun hot metal pretreatment and its manufacturing method
11/30/2011	CN101760689B 一种抗低温冲击高强度球墨铸铁生产方法 An anti-high-temperature impact strength ductile iron production methods
11/30/2011	CN101698920B 一种高纯度铬铁合金及其制备方法 A high-purity chrome alloy and preparation method
11/29/2011	CA2621014C Low alloy steel
11/24/2011	US20110283836 Coatings for Refractory Substrates
11/23/2011	CN202047090U Air pressure breaking slag pressing lance
11/23/2011	CN202047089U Vacuum degree adjusting device for water steam jet pump
11/23/2011	CN202047088U Spiral plate type spray gun for argon oxygen decarbonization of stainless steel
11/23/2011	CN202047087U Seamless steel pipe jacket core-spun yarn
11/23/2011	CN202047086U Core-clad wire with jacket formed by steel strips
11/23/2011	CN202047085U Core-clad wire with jacket formed by welded steel pipes
11/23/2011	CN202047084U Electrode lifting system for LF (ladle furnace)
11/23/2011	CN102251197A High-carbon chromium bearing steel and preparation method thereof
11/23/2011	CN102251181A Steelmaking refining and continuous casting production method for alloy casting blank
11/23/2011	CN102251179A Method for controlling cracks of medium-carbon manganese-containing chromium-containing steel billet
11/23/2011	CN102251076A RH vacuum refining method of ultra-low carbon stainless steel
11/23/2011	CN102251075A Refined, rapid and deep desulfurizing agent and preparation method of same
11/23/2011	CN102251074A Fast deep desulfurization process and deep desulfurization agent used after RH refining
11/23/2011	CN102251073A Deoxidizing and carburizing agent for semisteel, and preparation and application methods thereof
11/23/2011	CN102251063A Metallurgical pre-melted slag casting device
11/23/2011	CN102249566A Process for carbonating active lime with rotary kiln tail gas
11/23/2011	CN102248172A Method for producing coating particle magnesium
11/23/2011	CN101914655B Method for manufacturing solid cored-wires made of high purity calcium metal
11/23/2011	CN101845587B Steel with yield ratio no larger than 0.8 for hot rolling U-shaped steel sheet pile and production method thereof

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