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)
05/2014
05/15/2014WO2014072456A1 Cored wire for the metallurgical treatment of a bath of molten metal and corresponding method
05/15/2014US20140130638 Wire for refining molten metal and associated method of manufacture
05/14/2014CN203593767U 一种不沾钢的rh真空炉用氧枪 A non-stick steel vacuum furnace with oxygen gun rh
05/14/2014CN203593766U 用于钢的真空脱气设备 For steel vacuum degassing equipment
05/14/2014CN103789678A 一种钻头用合金钢材料及其制备方法 A drill with a steel material and preparation method
05/14/2014CN103789629A 一种耐磨无缝钢管材料及其制备方法 A wear-resistant material and method of seamless steel pipe
05/14/2014CN103789614A 一种汽车刹车系统用钢管材料及其制备方法 An automobile brake system with steel material and preparation method
05/14/2014CN103789514A 一种rh炉顶枪煤氧燃烧自动控制的系统和方法 A system and method for automatic oxy-combustion coal roof gun control rh
05/14/2014CN103789513A 一种转炉冶炼用造渣材料及其应用 One kind of smelting slag material used and its application
05/14/2014CN103789512A 一种炼钢复合精炼剂 One kind of steel-making complex refining agent
05/14/2014CN103789511A 一种萤石球及其制备方法 One kind of fluorite ball and preparation method
05/14/2014CN103789510A 一种以转炉废渣制备脱磷剂的方法 A method for the preparation of a converter slag dephosphorizer
05/14/2014CN103789509A 一种硅钢片用脱硫剂 One kind of silicon with a desulfurization agent
05/14/2014CN103789508A 一种以炼钢废渣制备脱磷剂的方法 Kind of waste steelmaking method for preparing dephosphorizer
05/14/2014CN103789507A 一种以炼钢废渣制备的脱磷剂 Kind of steelmaking slag produced dephosphorizer
05/14/2014CN103789506A 一种以炼钢废料制备的脱磷剂 A kind of steel scrap prepared dephosphorizer
05/14/2014CN103789505A 一种脱磷剂的制备方法 Method for preparing dephosphorizer
05/14/2014CN103789504A 一种管线钢冶炼用脱硫剂 One kind of pipeline steel smelting desulfurizer
05/14/2014CN103789503A 一种转炉炼钢用预熔型脱磷剂 Converter steelmaking with pre-Acting dephosphorizer
05/14/2014CN103789502A 一种硅钢片用脱硫剂的制备方法 One kind of silicon preparation method desulfurizer
05/14/2014CN103789501A 一种不锈钢冶炼用脱磷剂 One kind of stainless steel smelting dephosphorizer
05/14/2014CN103789500A 一种管线钢冶炼用脱硫剂的制备方法 A process for smelting desulfurizer Pipeline
05/14/2014CN103789499A 一种铁水脱磷剂的制备方法 Preparation method of molten iron dephosphorizer
05/14/2014CN103789498A 一种深脱硫脱硫剂 A dark desulfurization sorbent
05/14/2014CN103789497A 一种不锈钢冶炼用脱磷剂的制备方法 Preparation method of stainless steel smelting dephosphorizer
05/14/2014CN103789496A 一种转炉炼钢用预熔型脱磷剂的制备方法 A process for producing a pre-BOF melt type dephosphorizer
05/14/2014CN103789495A 一种脱磷剂 One kind dephosphorizer
05/14/2014CN103789494A 一种炼钢复合精炼剂的制备方法 A method for preparing a composite of steel refining agent
05/14/2014CN103789493A 一种不锈钢精炼剂的制备方法 A method of preparing a stainless steel refining agent
05/14/2014CN103789492A 一种钢包外装底吹透气砖的更换方法 Replacement of a ladle bottom blowing breathable exterior brick
05/14/2014CN103789491A 一种铝钙铁包芯线的制备方法 Method for preparing aluminum calcium and iron cored wire
05/14/2014CN103789490A 一种铝钙铁包芯线 An aluminum calcium and iron cored wire
05/14/2014CN103789489A 一种硅钙铁包芯线的制备方法 Method for preparing silicon calcium iron cored wire
05/14/2014CN103789488A 一种硅钙铁包芯线的制备方法 Method for preparing silicon calcium iron cored wire
05/14/2014CN103789487A 一种铝钙铁包芯线 An aluminum calcium and iron cored wire
05/14/2014CN103789486A 一种炼钢用包芯线 One kind of steelmaking cored wire
05/14/2014CN103789485A 一种铝钙铁包芯线的制备方法 Method for preparing aluminum calcium and iron cored wire
05/14/2014CN103789482A 一种转炉双联炼钢方法 One kind of converter steelmaking method double
05/14/2014CN102936640B 一种采用rkef与aod炉双联法冶炼不锈钢的工艺 A rkef with aod furnace duplex stainless steel smelting process uses
05/14/2014CN102876839B 低硅铝镇静钢铸余渣基精炼剂及其制备方法 Low aluminosilicate killed steel casting I Slag Refining and its preparation method
05/14/2014CN102605231B 冶炼铌钢以及冶炼钒钢的方法 Niobium and steel smelting vanadium steel smelting methods
05/07/2014CN203582897U 一种钢水精炼吹氩枪 Molten steel refining argon gun
05/07/2014CN203582896U 包芯线喂线加入系统 Cored wire feed line added to the system
05/07/2014CN203582895U 一体化钢包精炼设备 Integration ladle refining equipment
05/07/2014CN203582894U 用于防止钢水rh精炼时增氮的浸渍管 When nitrogen is used to prevent increasing the refining of molten steel rh snorkel
05/07/2014CN203578740U 透气塞以及包含透气塞的耐火装置 Breathable plug and plug containing refractory means breathable
05/07/2014CN103774055A 一种高强度高韧性合金钢材料及其制备方法 A high strength and high toughness steel material and preparation method
05/07/2014CN103773919A 一种转炉冶炼中、高磷铁水的方法 One kind of smelting, the high-phosphorus iron approach
05/07/2014CN103773918A 一种减少半钢炼钢转炉回硫的方法 A method of reducing sulfur semi-steel steelmaking converter way back
05/07/2014CN103773917A 含钒铁水提钒炼钢的冶炼方法 Vanadium containing iron smelting of vanadium steel
05/07/2014CN103770395A 一种复合金属线材和棒材的制备方法 Method for preparing composite metal wire and rod
05/07/2014CN103060524B 利用钒磁铁精矿提钒冶炼FeV80钒铁的工艺 The use of vanadium magnetite concentrate vanadium vanadium iron smelting process FeV80
05/07/2014CN103045807B 真空循环脱气插入管 Vacuum degassing insertion tube
05/07/2014CN103014222B 一种降低中高碳钢冶炼成本的方法 A method of reducing the cost of high-carbon steel smelting methods
05/07/2014CN102899447B A182 F22(12Cr2Mo1)的EAF+VOD冶炼方法 A182 F22 (12Cr2Mo1) of EAF + VOD smelting method
05/07/2014CN102851452B 压渣剂及其制备方法 Pressure slag and preparation method
05/07/2014CN102847903B 一种低全氧钢的制造方法 Method of manufacturing a low total oxygen steel
05/07/2014CN102719607B 一种钢包精炼硼合金化方法 One kind of boron-alloyed steel ladle refining methods
04/2014
04/30/2014CN203569139U Small furnace lid of combined ladle refining furnace (LF)
04/30/2014CN203569138U Wire feeder counting device
04/30/2014CN103757562A Wear-resistance casting ball material and preparation method thereof
04/30/2014CN103757554A Steel for large-capacity electronic gas cylinder and manufacturing method of steel
04/30/2014CN103757552A Alloy steel material for cutting tools and preparation method thereof
04/30/2014CN103757548A Low-aging sensitivity hot rolled plate with high strength and toughness and manufacturing method thereof
04/30/2014CN103757525A High-carbon low-chromium multi-element alloy casting ball material and preparation method thereof
04/30/2014CN103757524A High temperature-resistance multi-element alloy casting ball material and preparation method thereof
04/30/2014CN103757518A Production method of high-quality spheroidizing agent
04/30/2014CN103757180A Moving device and method of hot elbow pipes of RH (Relative Humidity) refining furnace
04/30/2014CN103757179A Method for deeply desulfurizing semisteel
04/30/2014CN103757178A Additive for improving anti-large line energy welding performance, and manufacturing and application methods thereof
04/30/2014CN103754872A Dry granulation process for calcium carbide powder
04/30/2014CN103031401B Method for converter steelmaking by LF (Ladle Furnace) refining furnace reducing slag
04/30/2014CN103014234B Method for smelting silicon-calcium-barium and silicon-calcium-barium product manufactured by same
04/30/2014CN102703794B Method of vacuum induction argon bottom blowing for smelting high-performance magnetic material
04/29/2014US8709123 Degassing of martensitic stainless steel before remelting beneath a layer of slag
04/29/2014CA2590708C Method to obtain a manganese steel alloy, and manganese steel alloy thus obtained
04/24/2014WO2014061784A1 Case-hardened steel having excellent fatigue characteristics
04/24/2014WO2014061782A1 Induction-hardening steel having excellent fatigue characteristics
04/23/2014EP2722405A1 Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method
04/23/2014CN203559074U Vacuum circulating refining furnace with three dip pipes
04/23/2014CN203559073U Device for rapidly changing sublance probe of argon-oxygen furnace
04/23/2014CN103748249A Boron-containing stainless steel having excellent hot workability and excellent surface properties
04/23/2014CN103741074A Seamless steel tube material for automobile half axle sleeves and preparation method thereof
04/23/2014CN103741072A Antimony-contained alloy steel material for roller and preparation method thereof
04/23/2014CN103741062A Seamless steel tube material for nuclear power and preparation method thereof
04/23/2014CN103741060A Alloy steel material for yttrium-containing roller and preparation method thereof
04/23/2014CN103741059A High-boron alloy steel material for roller and preparation method thereof
04/23/2014CN103741053A Ferrite stainless steel with good polishing performance and manufacturing method thereof
04/23/2014CN103741046A High-wear-resistance seamless steel pipe material and preparation method thereof
04/23/2014CN103741043A Boron-contained alloy steel material for roller and preparation method thereof
04/23/2014CN103741020A Preparation method of magnesium-aluminum-iron alloy for desulfurizing and deoxidizing agent
04/23/2014CN103741007A Production method for reducing gas content in low-carbon aluminum killed steel
04/23/2014CN103741006A Preparation method of Ti-containing low-nitrogen stainless steel
04/23/2014CN103740893A High-alkalinity compound particle covering agent and production method thereof
04/23/2014CN103740892A Method for reducing nitrogen content of molten steel of austenitic stainless steel of ladle furnace
04/23/2014CN103740891A Metal composite steelmaking deoxidizer
04/23/2014CN103740890A Slag former for smelting nanocrystalline master alloy and slagging process thereof
04/23/2014CN103740889A Production method capable of solving problem of core martensite of high-carbon steel
04/23/2014CN103740888A Novel clean molten steel continuous refining technology of iron ore concentrate in electric furnace
04/23/2014CN103740882A Desulfurization spray gun with two layers of reinforcing tubes
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ... 115