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 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
04/2014
04/02/2014CN103695593A Automatic steelmaking and slag-leaving operation method for converter
04/02/2014CN103695592A Method for positioning slag stopping plug
04/02/2014CN103695589A Method for removing titanium in molten iron
04/02/2014CN103691913A Manufacture method of 1Mn18Cr18N hollow ingots
04/02/2014CN103691880A Casting method for planet carrier of wind power steel casting
04/02/2014CN103691879A Casting process of steel casting of petroleum machinery blowout preventer
04/02/2014CN103060512B Dephosphorizing and steelmaking method of medium-high-phosphorous semisteel by top-blown converter
04/02/2014CN103060508B Smelting method for improving phosphorus removal rate of converter
04/02/2014CN103031398B Converter smelting end point carbon content forecasting device and forecasting method
04/02/2014CN103014226B Automatically cleaning apparatus of converter oxygen lance bonded slag
04/02/2014CN102978307B Process for reducing production of pipeline steel
04/02/2014CN102965466B Technology for improving slag pouring quantity of converter in stage of dephosphorization
04/02/2014CN102943145B Converter smelting method of ultra-low phosphorus steel
04/02/2014CN102766722B Method for smelting high-carbon steel from semi-steel
04/02/2014CN102719728B Technique for producing anti-acid pipeline steel by RH-LF-VD refining
04/02/2014CN102719593B Method for smelting ultra-low carbon steel
04/02/2014CN102690938B Pilot scale production method of low-carbon Fe-Mn-Al-Si series TWIP (Twining Induced Plasticity) steel
04/02/2014CN102676726B Smelting process capable of utilizing converter slag fully
04/02/2014CN102634626B Method for reducing lime consumption of revolving furnace
04/02/2014CN102363825B Method, device and system for controlling furnace conditions of convertor steelmaking
03/2014
03/27/2014WO2014044459A1 Refractory ceramic gas purging plug and a process for manufacturing said gas purging plug
03/27/2014DE102012217617A1 Component used in e.g. oxygen lance, has zinc oxide-containing layer provided on substrate and having surface layer consisting of zinc oxide crystals, and intermediate layer consisting of specific intermetallic compound
03/27/2014DE102012217232A1 Flickerreduktion bei Elektrolichtbogenöfen durch Flickervorhersage aus der Zustandsbestimmung in der Anfangsphase des Schmelzprozesses Flicker in electric arc furnaces by Flickervorhersage from the state determination in the early stages of the melting process
03/27/2014DE102004044481B4 Verfahren und Vorrichtung zum Aufheizen von HBI-Masseln für die Stahlherstellung Method and apparatus for heating HBI briquettes for the production of steel
03/26/2014EP2711107A1 Refractory ceramic gas purging plug and a process for manufacturing said gas purging plug
03/26/2014EP2710156A1 A method and a control system for controlling a melting process
03/26/2014CN203502266U Safety sample falling device in front of steel refining furnace
03/26/2014CN203498411U Intermediate frequency furnace scrap preheating stepping conveyer device
03/26/2014CN203498410U Feed opening device
03/26/2014CN203498409U Cooling flue waste heat recovery device provided with three-way valve
03/26/2014CN203498408U Tool for cleaning foreign matters in cooling collecting box of gasification hood
03/26/2014CN103687828A Monolithic refractory
03/26/2014CN103667929A Low-cost and H2S-corrosion-resistant L390NS pipeline tube containing rare earth and production method of pipeline tube
03/26/2014CN103667926A Melting method of martensitic stainless steel
03/26/2014CN103667924A 40Cr hot-rolled wire rod production method
03/26/2014CN103667875A Preparation method of low-carbon acid-resistant pipeline steel
03/26/2014CN103667623A Gas heating device of converter shell and integral annealing method
03/26/2014CN103667600A Smelting method of martensite steel for air valve of internal combustion engine
03/26/2014CN103667592A Method used for realizing dispersion uniform distribution of bismuth element in alloy steel containing bismuth
03/26/2014CN103667591A End point carbon control method for electric steelmaking with high ion content
03/26/2014CN103667590A Electric-arc furnace converter process for smelting steel and iron slag
03/26/2014CN103667589A Two-step method for producing austenitic stainless steel by using stainless steel scrap
03/26/2014CN103667588A Electric converter steelmaking process
03/26/2014CN103667587A Smelting method of austenite steel for engine air valve
03/26/2014CN103667586A Preparation method of UNS N07718 high-temperature alloy
03/26/2014CN103667585A Laser continuous carbon analysis equipment
03/26/2014CN103667584A Method for constructing long-lasting anti-corrosion maintenance-free joint between converter body and converter bottom and structure of joint
03/26/2014CN103667583A Preparation method of slag forming agent for steelmaking
03/26/2014CN103667582A Method for removing oxygen contained in converter liquid steel by using total water gas
03/26/2014CN103667581A Low-nitrogen SWR82B steel smelting method
03/26/2014CN103667580A Method and device for metering and adding fine particle materials into steel smelting furnace
03/26/2014CN103045789B Converter smelting method for high-silicon molten iron generated during new blow-in of blast furnace
03/26/2014CN102912068B Slagging agent for semisteel converter steelmaking and manufacturing method thereof
03/26/2014CN102776319B Electrical control system and method for preventing converter slippage
03/26/2014CN102732802B Boiler-steam-drum-use steel with thickness no lower than 80mm, and production method thereof
03/26/2014CN102660711B Steel for petroleum casing connecting piece and manufacturing method thereof
03/26/2014CN102660660B Oxygen top-blowing control system of steel converter and system residue removing and oxygen guiding method
03/25/2014US8679373 Composition of matter tailoring: system I
03/25/2014US8679223 Method for scooping-up slag from liquid iron
03/19/2014CN203487172U Clamping device for electric furnace top blowing oxygen gun
03/19/2014CN203487171U Sliding plate slag-stopping tapping converter mechanism
03/19/2014CN203487170U Floating plug releasing device with wireless remote control function
03/19/2014CN103649566A Tie rod with locking system at the ends
03/19/2014CN103649342A Tilting oxygen converter
03/19/2014CN103649341A Method for smelting molten pig iron
03/19/2014CN103643116A Welding gas cylinder and manufacturing technology of hot rolled steel plate of welding gas bottle
03/19/2014CN103642992A Slag forming constituent for steelmaking
03/19/2014CN103642978A Method for smelting nickel-containing steel in short process by utilizing electric furnace
03/19/2014CN103642977A Flat-shaped medium-frequency furnace body
03/19/2014CN103642976A H13 steel smelting process
03/19/2014CN103642975A Carbo-corundum-free refractory brick for converters
03/19/2014CN103642974A Long-life magnesian gunite mixture for rotary furnace
03/19/2014CN103642973A Method for reducing content of iron shots in poured slag of SGRS (slag generation reduced steelmaking) process
03/19/2014CN103642972A Intelligent optimization control system for tapping temperature of converter
03/19/2014CN103642971A Method for improving steelmaking end-point carbon content of semisteel and semisteel steelmaking method
03/19/2014CN103642970A Smelting method of low-carbon aluminum killed steel
03/19/2014CN103642969A Resulfurization control method in process of smelting electric steel from vanadium/titanium-containing molten iron
03/19/2014CN103642968A Weight recording method for quantity of slag in molten iron
03/19/2014CN103642967A Method for producing high-chromium steel by converter
03/19/2014CN103642966A Method for improving high-carbon high-manganese steel converter smelting endpoint carbon content and steelmaking method
03/19/2014CN103641498A Integrated converter tapping hole ramming brick cup and production method thereof
03/19/2014CN102978336B Smelting technique for removing Sb under arc furnace conditions
03/19/2014CN102899445B Tap hole replacing device
03/19/2014CN102851438B Converter coal gas waste heat utilization apparatus
03/19/2014CN102796948B Non-oriented electrical steel plate with extremely low content of Ti and smelting method for non-oriented electrical steel plate
03/19/2014CN102703640B Method of maintenance and lifting for moving section flue at converter mouth
03/18/2014US8673047 Process for producing foamed slag
03/18/2014CA2735009C Method for processing solid or molten materials
03/13/2014WO2014037020A1 Method for the treatment of steelwork slag and hydraulic mineral binder
03/12/2014EP2704871A1 Reaction crucible for aluminothermic welding operations, having a refractory shutoff element
03/12/2014CN203479005U Oxygen lance lifting appliance
03/12/2014CN203474835U Medium-frequency induction furnace
03/12/2014CN203474834U Electric furnace or electrical converter furnace rear alloy feeding system complete equipment
03/12/2014CN203474833U Automatic detection device of bear position of stock bin
03/12/2014CN103627971A Alloy structural steel for large-specification soldering tools and smelting method thereof
03/12/2014CN103627898A Machine shaping method of magnetic separation powder, and application of finished product prepared by method
03/12/2014CN103627897A Iron-rich cooled agglomerated pellet and manufacturing technology and purpose of iron-rich cooled agglomerated pellet
03/12/2014CN103627853A Method for manufacturing low-carbon and low-silicon steel
03/12/2014CN103627846A Method for performing direct alloying to molybdenum oxide for steelmaking
03/12/2014CN103627845A Homogeneous slag-stopping ball
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