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 1 - Refining of pig-iron; Cast iron
Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137)
03/2014
03/26/2014CN103668332A Low-phosphor grey cast iron smelting operation method of aluminum anode assembly medium-frequency furnace
03/26/2014CN103667875A Preparation method of low-carbon acid-resistant pipeline steel
03/26/2014CN103667596A High-thermal-shock-resistant desulfurization device
03/26/2014CN103667592A Method used for realizing dispersion uniform distribution of bismuth element in alloy steel containing bismuth
03/26/2014CN103667579A Iron adding process-based medium-high silicon molten iron desilication method
03/26/2014CN103667578A Flue gas collecting bin of molten iron desulphurizing station
03/26/2014CN103667577A Molten iron desulphurization method for molten iron mixing process
03/26/2014CN102717035B Low Si-Mg ratio and low RE-Mg nodularizer
03/26/2014CN102344994B Desulfurization spray gun
03/25/2014US8679223 Method for scooping-up slag from liquid iron
03/19/2014CN203484616U System for adding silicon to molten iron outside furnace
03/19/2014CN103649341A Method for smelting molten pig iron
03/19/2014CN103642986A Composite desulfurization blender of double-blade molten iron
03/19/2014CN103642982A Side-spraying-type molten iron desulphurization device
03/19/2014CN103642965A Silicon-based desulfurization slag-adjusting agent for vanadium and titanium containing molten iron and preparation method and desulfurization slag-adjusting method thereof
03/19/2014CN103642964A Calcium-based desulfurization slag-regulating agent for vanadium-titanium-containing molten iron, preparation method thereof and desulfurization slag-regulating method
03/19/2014CN103642963A Method for lowering sulfur return amount of desulfurized vanadium-titanium-containing molten iron
03/13/2014DE202014100884U1 Schlackekonditionierer für die Entschwefelung in der Sekundärmetallurgie von Stahl Schlackekonditionierer for desulfurization in the secondary metallurgy of steel
03/12/2014CN203470886U Nodulizing bag
03/12/2014CN103635595A Method for producing cast iron having vermicular graphite, and cast part
03/12/2014CN103627949A Smelting method of high-vanadium and high-manganese cast iron
03/12/2014CN103627948A Novel long-acting spheroidizing agent for nodular cast iron processing and preparation and application methods
03/12/2014CN103627850A Desulphurization slag modifier for molten iron containing vanadium and titanium, preparation method of desulphurization slag modifier and desulphurization slag modifying method
03/12/2014CN103627838A Method for reducing drossing iron loss for desulphurization of molten iron containing vanadium and titanium
03/12/2014CN103627837A Method for reclaiming iron and phosphorous from steelmaking slag
03/12/2014CN102827986B Manufacturing method of vanadium titanium alloy cast ball
03/12/2014CN102808060B Vermicular agent and preparation method thereof
03/12/2014CN102712960B Operation method for mechanically stirring chrome-containing molten iron
03/05/2014CN103614513A Calcium treatment method under special steelmaking process
03/05/2014CN101892415B Method for producing castings by utilizing waste scrap iron and waste steel
02/2014
02/27/2014WO2014031802A1 Producing pig iron from iron-containing feed materials
02/27/2014WO2014031801A1 Production of pig iron
02/27/2014CA2853223A1 Producing pig iron from iron-containing feed materials
02/26/2014CN203451554U Desulfurized hot-metal bottle tipper
02/26/2014CN103602878A Preparation method of high-toughness nodular cast iron
02/26/2014CN103602775A Method for effectively controlling generation of central cracks in medium-carbon steel plate
02/20/2014US20140051143 Polypeptides Having Cellobiohydrolase I Activity and Polynucleotides Encoding Same
02/20/2014US20140051142 Polypeptides Having Cellobiohydrolase I Activity and Polynucleotides Encoding Same
02/19/2014CN203440391U 脱硫枪 Desulfurization gun
02/19/2014CN103589941A Method for preparing vermicular graphite cast iron by molten iron spheroidization
02/19/2014CN103589940A Casting method of thin-wall nodular cast iron
02/19/2014CN103589820A Composite dephosphorization material
02/19/2014CN103586424A Environment-friendly composite spheroidizing agent applied to thick and big ductile iron
02/12/2014CN203429196U Hot-iron pouring tank
02/12/2014CN103572140A components and preparation process of piston ring
02/12/2014CN103572139A Composite inoculation method of small thin-wall castings
02/12/2014CN103571991A Cylinder liner blank casting deslagging method
02/12/2014CN103567398A High-abrasion-resistance anti-dust cylinder liner casting technology
02/12/2014CN103566719A Method for preparing raw material of desulfurizing agent by using waste chlorination molten salt generated in production of TiCl4
02/12/2014CN102492889B Production and application of low silicon nodularizer
02/12/2014CN102392175B Inoculant
02/12/2014CN102392094B Spheroidizing agent for spheroidal graphite cast iron, and preparation method thereof
02/12/2014CN101874121B Method for pre-treating high-temperature steel-making slag or iron liquid
02/05/2014EP2692874A1 Environmentally friendly flux for desulfurization of molten steel
02/05/2014CN103556038A Preparation method of ferrite nodular cast iron
02/05/2014CN103556037A Method for preparing nodular cast iron for engine dry cylinder
02/05/2014CN103556030A Preparation method of long-acting inoculant for nodular cast irons
02/05/2014CN103555877A Salt-containing nodulizing agent preparation device
02/05/2014CN102719589B Molten vanadium-titanium iron desulfurizing agent and preparation method thereof as well as desulfurization method using desulfurizing agent
01/2014
01/29/2014CN103540709A Method for controlling titanium of pure steel
01/29/2014CN103540708A Molten iron gasification silicon-removing nano-grade SiO2 recovery method
01/29/2014CN103540702A Technology for producing spheroidal graphite cast iron for engineering machinery
01/29/2014CN103540701A Smelting process suitable for ultra-high strength gray cast iron
01/29/2014CN102888483B Method for desilicating molten iron by stirring
01/23/2014WO2014013707A1 Molten iron preliminary treatment method and stirrer for molten iron preliminary treatment
01/22/2014CN103525969A Nodular cast iron rare-earth magnesium silicon nodularizer
01/22/2014CN103525968A Cover material covering nodularizer in graphite spheroidizing of cast iron
01/22/2014CN103525967A Hot metal pretreatment desulfurization technology with calcite and passivation particle magnesium injected in composite mode
01/16/2014WO2014009327A1 Filler wire and method for treating iron or steel melts
01/15/2014EP2684966A1 Impeller rotation speed control method
01/08/2014CN203382784U Desulfurization spray gun
01/08/2014CN102634723B Ferrite ductile iron used at low temperature and manufacturing method thereof
01/01/2014CN103484592A High-strength inoculated casting and manufacturing method thereof
01/01/2014CN103484591A Inoculation method for improving tensile strength of gray iron
12/2013
12/31/2013CA2653172C Improved method of producing ductile iron
12/27/2013WO2013190591A1 Refining method and molten steel production method
12/25/2013CN203360480U Spray gun used for assisting slagging-off by blowing air at top during molten iron pretreatment
12/25/2013CN102492890B Low silicon nodularizer and application thereof
12/25/2013CN102492888B Vermiculizer and application thereof
12/18/2013CN203346460U Nodulizing ladle cover with drainage device
12/18/2013CN203343424U Overturn type spheroidizing tundish cover
12/18/2013CN103451534A 60mm steel plate with excellent performance in thickness direction for ocean platform and production method thereof
12/11/2013CN103436787A Low-cost rare earth-containing anti-H2S corrosion petroleum casing pipe material and production method thereof
12/11/2013CN103436772A Low-temperature tough ferrite nodular cast iron of 60 DEG C below zero and preparation method thereof
12/11/2013CN103433471A Spheroidizing method of nodular cast iron
12/10/2013US8603794 Polypeptides having cellobiohydrolase 1 activity and polynucleotides encoding same
12/10/2013US8603793 Polypeptides having cellobiohydrolase 1 activity and polynucleotides encoding same
12/04/2013CN203320044U Limit device for tipping cylinder of desulphurization hot-metal car
12/04/2013CN103422009A Nodular cast iron for rear axle housing of lorry and production method of nodular cast iron
12/04/2013CN103422008A Production and application of vermicular graphite cast iron vermiculizer
12/04/2013CN103421927A External molten iron desulfurization treatment method
12/04/2013CN103421926A Intelligent control method of lifting trolley system of knotted reactor (KR) desulfurization
11/2013
11/27/2013EP2665836A1 Method and nozzle for suppressing the generation of iron-containing vapor
11/20/2013EP2663660A2 Agent for treating molten metals, method for the production and use thereof
11/20/2013CN103397246A Antiwear shock-resistant white cast iron and production technique thereof
11/20/2013CN103397245A Method for improving smelting quality of molten ductile iron
11/20/2013CN103397146A Production method of pipeline steel
11/20/2013CN103397131A Pure iron smelting method
11/20/2013CN103394683A Molten iron desulphurization line based online reladling system
11/20/2013CN102433498B Q550 D high-quality structural iron medium and heavy plate and production method thereof
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