Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
04/2010
04/07/2010CN101691925A Fuel gas radiating tube
04/07/2010CN101691642A Sulfuric acid dew point corrosion-resistant steel and production process thereof
04/07/2010CN101691631A Heat treating furnace
04/07/2010CN101691627A Device for producing high-speed steel pre-hardening material
04/07/2010CN101691626A Production method of pre-hardened high-speed steel products and production device thereof
04/07/2010CN101403025B Heating method for silicon-containing vanadium steel-containing casting blank
04/07/2010CN101275207B Thermal processing method for H2S-corrosion-resistant tool joint for petroleum drill pipe
04/07/2010CN101249503B Production method for faulting heat bridge solid steel section bar
04/07/2010CN101240402B Cast high-boron high-speed steel for composite ring roller and heat treatment method thereof
04/07/2010CN101190446B Method for manufacturing super-long titanium or titanium alloy tube of 12-16 meters
04/06/2010US7691213 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance
04/06/2010US7691212 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance
04/06/2010CA2544382C Dual phase steel strip suitable for galvanizing
04/06/2010CA2511666C High strength thin steel sheet excellent in burring, elongation, and ability of phosphate coating and a method of production of the same
04/01/2010DE10027542B4 Verfahren zur Herstellung eines Hubschrauber-Strukturverbindungsteils zur Steigerung der Festigkeit ohne nachträgliche Wärmebehandlung Process for the preparation of a helicopter structure connecting part for increasing the strength without any subsequent heat treatment
03/2010
03/31/2010EP2169091A1 High-strength hot-dip galvanized steel sheet with low yield strength and with less material quality fluctuation and process for producing the same
03/31/2010EP2169084A1 Method for manufacturing a moulding with areas of different strength made of cold strip
03/31/2010EP2169083A1 Process for producing high-strength cold rolled steel sheet with low yield strength and with less material quality fluctuation
03/31/2010EP2169082A1 Forged product with a steel composition containing 0.15-0.75%C, Si, Mn, Ni, Cr, Mo, V and Al and crankshaft manufactured from it.
03/31/2010EP2167696A2 Earth boring drill bits made from a low-carbon, high-molybdenum alloy
03/31/2010EP2167695A1 Method for the heat treatment of a metal band
03/31/2010EP2167694A1 Treatment of railway wheels
03/31/2010EP2167693A1 Method for the heat treatment of castings using an air quench and system for implementing the method
03/31/2010CN201434600Y Strong cyclic rapid cooling chamber
03/31/2010CN201433236Y Emergency shut-down and automatic purging device for gas-fired furnace
03/31/2010CN201433235Y Emergency stopping device used for gas heating furnace
03/31/2010CN201433234Y Discharge-end wall structure of steel pushing furnace
03/31/2010CN201433233Y Charging furnace door structure of steel pushing furnace
03/31/2010CN201433232Y Band steel passing and conveying device in horizontal furnace
03/31/2010CN201433231Y Beryllium bronze quenching furnace
03/31/2010CN201433229Y Heat treatment device for diesel atomization of steel storage tank
03/31/2010CN101688282A Bend pipe and process for manufacturing the same
03/31/2010CN101688279A High-strength hot-dip galvanized steel sheet with low yield strength and with less material quality fluctuation and process for producing the same
03/31/2010CN101688277A High-strength hot-dip galvanized steel sheet and process for producing the same
03/31/2010CN101688276A Thick hot-rolled steel sheet excellent in workability and excellent in strength and toughness after heat-treatment, and method for producing the same
03/31/2010CN101688265A Process for producing high-strength cold rolled steel sheet with low yield strength and with less material quality fluctuation
03/31/2010CN101688264A Process for producing a locally hardened profile component, locally hardened profile component and use of a locally hardened profile component
03/31/2010CN101684519A Method for improving heat treatment deformation of thin-wall light narrow series bearing ring
03/31/2010CN101684518A Pick for mining and method for carrying out heat processing on same
03/31/2010CN101684517A Heat treatment equipment for stainless steel pipe
03/31/2010CN101684516A Piecewise heat treatment method of large pressure container
03/31/2010CN101684515A In-situ piecewise heat treatment method of large pressure container
03/30/2010US7686897 Delayed fracture cracks and internal scabs free; oil wells
03/30/2010US7686896 High-strength steel sheet excellent in deep drawing characteristics and method for production thereof
03/30/2010US7685717 Method for manufacturing a bearing raceway member
03/30/2010CA2511891C High strength galvannealed steel sheet excellent in workability and a method of production of the same
03/30/2010CA2338743C Method and installation for producing dual-phase steel
03/25/2010WO2010032776A1 Hot-pressed steel plate member and manufacturing method therefor
03/25/2010WO2010031503A1 Device for heating rod-shaped workpieces
03/25/2010US20100075168 Fatigue damage resistant wire and method of production thereof
03/25/2010US20100072681 Method and device for the industrial thermal treatment of elongated mechanical parts
03/25/2010US20100071933 Electric wire conductor and a method of producing the same
03/24/2010EP2166122A1 Method of manufacturing high strength steel
03/24/2010EP2166121A1 High strength steel sheet and method for manufacturing the same
03/24/2010EP2166116A2 Method for production of steel material having excellent scale detachment and steel wire material having excellent scale detachment
03/24/2010EP2166115A2 Method for production of steel material having excellent scale detachment and steel wire material having excellent scale detachment
03/24/2010EP2166114A2 Method for production of steel material having excellent scale detachment, and steel wire material having excellent scale detachment
03/24/2010CN201429330Y Built-up welding composite furnace roller
03/24/2010CN201428001Y Novel conducting roller device
03/24/2010CN201427996Y Straightening and tempering device of tempering tin-plating bronze steel wire used for high-resistance plastic deformation tire bead
03/24/2010CN201427985Y S-roller device
03/24/2010CN201427984Y Convection cooling device of continuous bright annealing furnaces of stainless steel strips
03/24/2010CN201427983Y Electric heating type continuous bright annealing furnace of silicon steel strips
03/24/2010CN201427982Y Heating furnace for heat treatment of core rod
03/24/2010CN201427981Y Quenching heating device
03/24/2010CN201427980Y Adjustable bidirectionally floating positioning device for quenching machine tool
03/24/2010CN201427979Y Induction heating device used for steel tube anneal
03/24/2010CN201427978Y Core rod supporting device
03/24/2010CN101680066A Ferritic stainless steel sheet having excellent corrosion resistance against sulfuric acid, and method for production thereof
03/24/2010CN101680049A Method and equipment for heating a metal strip, in particular for annealing
03/24/2010CN101680048A Process for manufacturing shaped article
03/24/2010CN101678493A Seam-welded 36 Ni-Fe alloy structures and methods of making and using same
03/24/2010CN101678450A Vertical heat treatment system
03/24/2010CN101676416A Rotary heat treatment furnace
03/24/2010CN101676414A Continuous heat treatment furnace
03/24/2010CN101676411A Laser heat treatment technology of oil cylinder of large-scale excavator
03/24/2010CN101676064A Method for producing and assembling superheater coil tubes of steam generators
03/24/2010CN100595453C Differential device supporting structure, differential device component, method for manufacturing the differential device supporting structure and method for manufacturing the differential device comp
03/24/2010CN100595309C Petroleum casing pipe with high-strength and high ductility as well as manufacturing method thereof
03/23/2010US7682559 alloy strips comprising carbon, chromium, manganese, niobium, molybdenum, iron, nitrogen, phosphorus and sulfur, having high strength, corrosion and oxidation resistance, used in automobile exhaust systems
03/23/2010US7682467 Polygonal ferrite as the main phase, and martensite as a second phase; carbon, manganese, silicon, phosphorous, chromium
03/18/2010WO2010030021A1 High-strength steel sheet and method for production thereof
03/18/2010WO2010029983A1 High-strength steel plate and manufacturing method thereof
03/18/2010WO2010028939A1 Gear rack and inductive hardening method
03/18/2010US20100068549 Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same
03/18/2010US20100065166 Steel pipe with excellent expandability and method for producing the same
03/18/2010US20100065165 System and method for annealing nuclear fission reactor materials
03/18/2010US20100065164 System and method for annealing nuclear fission reactor materials
03/18/2010CA2734978A1 High strength steel sheet and method for manufacturing the same
03/17/2010EP2163658A1 Ferritic stainless steel sheet having excellent corrosion resistance against sulfuric acid, and method for production thereof
03/17/2010EP2163657A1 Steel for high-cleanliness springs excellent in fatigue characteristics and high-cleanliness springs
03/17/2010EP2162557A1 Process for hot rolling and for heat treatment of a steel strip
03/17/2010CN201424505Y Treatment device for thick-specification tempered tin plating bronze rejected bead wire
03/17/2010CN201424495Y Open-fire heating furnace for steel wire heat treatment
03/17/2010CN201424494Y Semi-automatic carburizing and quenching die for heat treatment of bearing ring
03/17/2010CN201424493Y Fully-automatic roller-hearth solid solution heat treatment furnace
03/17/2010CN201424492Y Lead quenching tank for steel wire heat treatment
03/17/2010CN201424491Y Air quench device of aluminum profile extrusion production line
03/17/2010CN201424489Y Non-oxidation roller bottom type continuous annealing furnace door
03/17/2010CN101675177A Cold-rolled steel sheet, galvannealed steel sheet and processes for production of both
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