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)
05/2012
05/02/2012EP1491646B1 Ferritic stainless steel sheet, and method for producing the same
05/02/2012CN202208740U Cover for collecting dusty gas during molten iron and nitrogen gas blowing desulphurization
05/02/2012CN102433515A MC5 Steel and large-sized flattening roll prepared by using the same, and manufacturing process of MC5 steel
05/02/2012CN102433498A Q550 D high-quality structural iron medium and heavy plate and production method thereof
05/02/2012CN102433446A Method for molten metal desulfuration and deoxidation by extra electric field
05/02/2012CN102433414A Method for producing 23MnB steel by adopting vacuum process
05/02/2012CN102433413A Method for producing low-oxygen steel by converter
05/02/2012CN102433411A Swinging molten iron desulfurization pretreatment spray gun
05/02/2012CN102433410A Aluminum-containing desulfurizing agent and desulfurizing process
05/02/2012CN102430749A Elliptical steel ladle and manufacturing method thereof
05/02/2012CN101962704B Method for producing low-phosphorous low-sulfur micro carbon and low-carbon manganese silicon alloy by adopting specific core powder formula feeding wire
05/02/2012CN101851698B Cover mud-hanging device of refining furnace
05/02/2012CN101713013B Method for using steel slag to produce steel
05/01/2012CA2515778C Elevated discharge gas lift bubble pump and furnace for use therewith
04/2012
04/25/2012CN202201920U Kr螺旋搅拌头 Kr spiral mixing head
04/25/2012CN202201919U Wire-feeding lifting guide device
04/25/2012CN1796577B A slag conditioner composition, process for manufacture and method of use in steel production
04/25/2012CN102425671A 自控氧枪快速密封系统 Rapid sealing system controlled oxygen lance
04/25/2012CN102424936A 一种耐低温冲击的合金结构钢及其制造方法 An alloy structural steel and manufacturing method of low-temperature impact resistance
04/25/2012CN102424934A 18CrNiMo7-6大型齿轮钢锻件制造方法 18CrNiMo7-6 large gear steel forgings manufacturing method
04/25/2012CN102424895A 钢水处理用脱硫剂及其制备方法和使用方法 Steel desulfurization agent for water treatment and its preparation method and use
04/25/2012CN102424894A Method for producing 23MnB steel in converter process
04/25/2012CN102424893A 实芯金属钙铝包芯线及其制备方法 Solid aluminum calcium metal cored wire and its preparation method
04/25/2012CN102424892A 一种洁净钢生产用纯钙丝制备方法 A clean steel wire used in the production of pure calcium preparation
04/25/2012CN102424891A 炼钢用纯钙实芯包芯线的生产方法 Steelmaking pure calcium cored wire solid core production methods
04/25/2012CN102424883A Vacuum method for producing 25CrMnB steel
04/25/2012CN102002554B 一种钢包精炼炉快速脱硫精炼方法 One kind of ladle refining rapid desulfurization method
04/19/2012WO2012050219A1 Rh degassing lower vessel
04/18/2012EP2441541A1 Mold flux for continuous casting of steel and method for continuous casting of steel using same
04/18/2012CN202193798U 一种kr脱硫搅拌装置 One kind kr desulfurization stirring device
04/18/2012CN102419109A Contact type high-efficiency cooling and dedusting device and method
04/18/2012CN102418042A Novel manufacturing process of phi 300 mm-phi 700 mm high-carbon high-chromium cold-working die steel forged round steel
04/18/2012CN102418036A 15MnNiDR low alloy steel plate for low temperature pressure vessel and production method thereof
04/18/2012CN102417951A 一种真空精炼工艺 A vacuum refining process
04/18/2012CN102417950A 无缝钙线及其制备方法 Seamless calcium line and its preparation method
04/18/2012CN102011059B 一种低硅低锰超纯转子钢冶炼工艺方法 A low silicon low manganese steel smelting process for ultrapure rotor
04/18/2012CN101899605B 耐磨合金铸钢的熔炼工艺 Wear-resistant alloy cast steel smelting process
04/18/2012CN101824506B Revolving furnace slag pressing agent and revolving furnace slag pressing method
04/17/2012US8158054 Method and system for producing metallic iron nuggets
04/11/2012CN202187027U 喷枪制作设备 Gun making equipment
04/11/2012CN102414330A 电弧炉中非不锈钢熔体的熔渣起泡方法 The method of electric arc furnace steel slag foaming melt Africa
04/11/2012CN102410827A 自动测量kr搅拌头插入深度的系统和方法 Automatic measurement of the insertion depth of the mixing head kr system and method
04/11/2012CN102409238A 42CrMo alloy constructional steel super-thick plate and production method thereof
04/11/2012CN102409232A Low alloy high strength structural iron Q390C super-thick steel plate and production method thereof
04/11/2012CN102409228A 一种高强度高碳钢盘条及其生产方法 A high strength and high carbon steel wire rod and its production method
04/11/2012CN102409140A 一种轴承钢炼钢过程用精炼渣 A bearing steel making process by refining slag
04/11/2012CN102409139A 一种炼钢精炼脱氧工艺 One kind of steel refining process deoxy
04/11/2012CN102409138A 一种轨道辙叉用合金钢的制作工艺 A track frog with alloy production process
04/11/2012CN102409134A Method for producing 23MnB steel based on converter flow path
04/11/2012CN102409133A 真空法生产23MnB钢的方法 Production 23MnB steel vacuum method
04/11/2012CN102409132A 一种转炉流程生产25CrMnB钢的方法 One kind of BOF process 25CrMnB steel production method
04/11/2012CN101397626B 高强度高韧性热轧钢板及其生产方法 High strength and toughness rolled steel sheet and its production method
04/04/2012CN202181315U 真空精炼炉内置型氩气管 Built-in vacuum refining furnace argon line
04/04/2012CN202181314U 用于吹气赶渣的氮气控制装置 Nitrogen control device for blowing slag rush
04/04/2012CN202181313U 铁水罐顶吹气体辅助除脱硫渣装置 Rail tank top blowing gas desulphurization slag auxiliary devices except
04/04/2012CN102400052A Narrow-hardenability pinion steel and preparation method thereof
04/04/2012CN102400041A Extra-thick, low-alloy and high-strength Q390D-Z35 steel plate and production method thereof
04/04/2012CN102400030A 一种真空感应炉冶炼钢水添加氮元素的方法 A vacuum induction furnace steel add nitrogen element method
04/04/2012CN102399946A 一种用于钢水vd真空脱氢的方法 A method for steel vacuum dehydrogenation vd
04/04/2012CN102399945A Rh精炼工艺生产非调质n80石油管材的方法 Rh refining process to produce non-tempered n80 oil pipe method
04/04/2012CN102399944A 铁水脱硫处理的方法 The method of hot metal desulphurization process
04/04/2012CN102399943A 一种降低磨球钢液含硫量的方法及其实现该方法的装置 A method of reducing the sulfur content of liquid steel ball method and apparatus for implementing the method
04/04/2012CN102399942A 一种超低碳钢炉外脱磷的方法 An ultra-low carbon steel outer dephosphorization furnace method
04/04/2012CN102399941A 超低钛、碳钢脱硫用铝酸钙及其制备方法 Ultra-low titanium, aluminum, carbon steel desulfurization calcium and its preparation method
04/04/2012CN102399940A 镍镁脱氧压块及其制备方法 Nickel-magnesium-deoxy briquetting and its preparation method
04/04/2012CN102399939A 渣金间外加电场无污染脱氧预熔渣及其制备方法 Kim applied electric field between slag slag pollution pre-deoxy its preparation method
04/04/2012CN102399938A 一种棒线材合金钢的夹杂物控制方法 One kind of alloy steel wire rod inclusions control method
04/04/2012CN102399937A 钢液电化学脱硫方法及装置 Liquid steel desulfurization method and apparatus for electrochemical
04/04/2012CN102399930A 一种减少低硅铝镇静钢增硅的方法 A method of reducing low-silicon aluminum killed steel by silicon
04/04/2012CN101633974B 一种超低氧钢的冶炼方法 An ultra-low oxygen steel smelting method
04/04/2012CN101549353B 一种连铸连轧生产低合金大规格方钢的方法 A rolling production of large-sized square steel low alloy casting method
03/2012
03/28/2012CN202175693U 一种钢水炉外真空精炼设备用钢包防溅盖 A molten outer vacuum furnace steel refining equipment package splash cover
03/28/2012CN102392185A Normalized acid resistant hot-rolled steel plate and preparation method thereof
03/28/2012CN102392180A Ferroaluminium and preparation method thereof
03/28/2012CN102392103A Steam releasing method for RH vacuum pump system steam dome
03/28/2012CN102392102A High-efficient catalytic separating agent
03/28/2012CN101421423B Process for production of iron-base amorphous material
03/28/2012CN101379202B Method of smelting highly clean steel with extremely low sulfur content
03/27/2012US8142543 Refining ferroalloys
03/27/2012US8142541 Method of preheating steelmaking ladles
03/27/2012CA2671148C Method and device for producing stainless steel without using a supply of electrical energy, based on pig-iron that has been pre-treated in a ddd installation
03/21/2012CN102383065A High-performance valve steel and preparation method thereof
03/21/2012CN102383048A Hot-rolled mining resin anchor rod reinforcing steel bar and production method thereof
03/21/2012CN102383042A Microalloy HRB400E steel bar containing chrome and nitrogen and production method thereof
03/21/2012CN102383031A High-strength binding band and production method thereof
03/21/2012CN102383025A Preparation method of super-critical high alloy steel suitable for thermal power unit
03/21/2012CN102382947A Low-basicity synthetic slag for external refining
03/21/2012CN102382946A Slag collecting agent and preparation method thereof
03/21/2012CN102382945A Ladle bottom blowing argon supply device
03/21/2012CN102382944A Method for online rapid removal of residual molten steel on bottom blowing core of metallurgical container
03/21/2012CN102382943A Argon oxygen refining low-carbon ferrochromium process endpoint carbon content and temperature control method
03/21/2012CN102382942A Optimized method for removing sulfur from magnesium granules
03/21/2012CN102382941A Refining technology for smelting low-oxygen and low-sulphur purity steel without molten iron pretreatment
03/21/2012CN102382940A Optimized method for feeding high-calcium wire at steel galvanized cold-rolled common (SGCC) steel refining station
03/21/2012CN102382939A Method for feeding high-calcium wire at steel plate cold-rolled common (SPCC) steel refining station
03/21/2012CN102382929A 37Mn5 steel and production technology thereof
03/21/2012CN102382926A Converter steelmaking fluoride-free composite fluxing medium
03/21/2012CN102382923A Method for removing sulfur from magnesium granules
03/21/2012CN102382922A Gas-blowing and slag-removing device and slag-removing method
03/21/2012CN102021273B Fluidness control method of molten low-silicon aluminized steel of square billet
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