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)
11/2011
11/09/2011	CN102234714A Furnace roller combination device of annealing furnace applied to lamellose metal material thermal treatment process
11/09/2011	CN102234713A Three-section three-stage-controlled enclosed inner-circulated gas-protected copper wire vacuum quick-cooling annealing furnace
11/09/2011	CN102234712A Thin wire inductive heating heat treatment system
11/09/2011	CN102234711A Pin-rail double-tooth induction quenching device
11/09/2011	CN102234710A Ohmic heating method and ohmic heating device
11/09/2011	CN102234709A Powder metallurgy timing gear quenching induction apparatus
11/09/2011	CN102234708A Quenching method and quenching device for bent axle
11/09/2011	CN102234707A Support device for thermal treatment
11/09/2011	CN102233417A Centrifugal casting process for main pipeline of million kilowatt-grade nuclear power plant
11/09/2011	CN102233364A Martensite air valve steel bar production method
11/09/2011	CN101921947B Nodular cast iron crankshaft waste heat air cooling and normalizing method
11/09/2011	CN101921904B Spheroidal graphite cast iron crankshaft normalizing method without normalizing consumption
11/09/2011	CN101892366B Low oxygen content and low nitrogen consumption control system and method for radiant tube-heated non-oxidation roller hearth furnace
11/09/2011	CN101775483B Heat accumulative roller bottom heating furnace
11/09/2011	CN101755058B Process for hot rolling and for heat treatment of a steel strip
11/09/2011	CN101576133B Powder metallurgy automobile braking system thrust block and method for preparing same
11/09/2011	CN101476097B Process for manufacturing high precision titanium starting sheet
11/09/2011	CN101443467B High strength hot rolled sheet having excellent elongation property, stretch flange formability and tensile fatigue property, and method for producing the same
11/09/2011	CN101426943B Plated steel wire for PWS excelling in torsion property and process for producing the same
11/09/2011	CN101402425B Soft tube winding shrinking apparatus
11/09/2011	CN101291759B Continuous casting guide roller
11/08/2011	US8052810 Metal structure and fabrication method thereof
11/08/2011	US8052808 High strength hot rolled steel sheet with excellent press workability and method of manufacturing the same
11/08/2011	US8052807 Steel sheet excellent in workability
11/08/2011	CA2390808C High tensile strength hot-dipped steel sheet and method or producing the same
11/03/2011	WO2011136175A1 High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well
11/03/2011	WO2011135997A1 Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same
11/03/2011	WO2011135700A1 Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same
11/03/2011	WO2011071233A3 Coin assembly, medal assembly, and manufacturing method of coin assembly and medal assembly
11/03/2011	WO2011068328A3 Cold rolled steel sheet for processing with excellent heat resistance, and preparation method thereof
11/03/2011	US20110269555 Outer member of constant speed universal joint
11/03/2011	CA2795326A1 High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well
11/02/2011	EP2383359A1 Hardfacing steel for machine structure, and steel component for machine structure
11/02/2011	CN202022964U Bracket used for annealing of copper foil coiled stock
11/02/2011	CN202022961U Cooling water channel for steel cord
11/02/2011	CN202022959U High-power full air cooling induction heating device
11/02/2011	CN202022957U Inductor for surface hardening of spiral rope groove
11/02/2011	CN102232123A Hot-pressed steel plate member and manufacturing method therefor
11/02/2011	CN102230138A Method for manufacturing SPA-H high-strength atmospheric corrosion resistance steel by using continuous annealing machine set
11/02/2011	CN102230068A Driving mechanism of billet heating furnace flue damper and control method thereof
11/02/2011	CN102230067A Method for realizing accurate positioning of steel billet delivered into a heating furnace
11/02/2011	CN102230066A Local heat treatment process for welding seam of 12CrlMoV pipe
11/02/2011	CN102230065A Heat treatment process for improving low-temperature impact toughness of pipeline steel
11/02/2011	CN102230064A High-temperature solutionizing softening process for fine crystalline stainless steel pipe
11/02/2011	CN102230061A Anti-oxidation heat treatment method of thin plate sample with thickness of less than 1 mm
11/02/2011	CN102230060A Whole quenching device of circular track
11/02/2011	CN102230059A Whole quenching device of circular track
11/02/2011	CN101829749B Approximate isothermal forging method of BT25 two-phase titanium alloy disk forge piece
11/02/2011	CN101791669B Roll forming method of large and medium structural steel solid disk forging
11/01/2011	US8049131 Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same
11/01/2011	US8048239 Ferritic stainless steel sheet superior in shapeability and method of production of the same
11/01/2011	CA2530834C High-strength steel sheet having excellent deep drawability and process for producing the same
10/2011
10/27/2011	WO2011132763A1 High strength hot-dip galvanized steel sheet with superior workability and production method therefor
10/27/2011	WO2011132722A1 Steel component having excellent temper softening resistance
10/27/2011	WO2011131802A1 Control method for heating ovens
10/27/2011	WO2011131759A1 Induction heating module
10/27/2011	WO2011071234A3 Coin assembly, medal assembly, and manufacturing method of coin assembly and medal assembly
10/27/2011	WO2011061446A3 Composite roller of an annealing line
10/27/2011	US20110259482 Use of a Steel Alloy for Well Pipes for Perforation of Borehole Casings, and Well Pipe
10/26/2011	EP2381120A1 Outer member of constant speed universal joint
10/26/2011	EP2381004A1 Hot-dip galvanized steel sheet and manufacturing method thereof
10/26/2011	EP2380999A1 Method for manufacturing steel plate for can-making
10/26/2011	EP2379756A1 Method for manufacturing a coated part using hot forming techniques
10/26/2011	EP2379275A1 Method for producing a tool-system module
10/26/2011	EP2058560B1 Pulley for continuously variable transmission
10/26/2011	CN202018347U Billet surface temperature measuring device
10/26/2011	CN202017041U Stacking coil furnace platform for separately supporting steel coils
10/26/2011	CN202017040U Water-retaining valve device for quenching of steel pipes
10/26/2011	CN202017039U Heat treatment fixture for R5-grade mooring chain accessory swivel shackle
10/26/2011	CN202017035U Flange sensing device
10/26/2011	CN102227513A Hot-dip galvanized steel sheet and manufacturing method thereof
10/26/2011	CN102227511A High-strength cold-rolled steel sheet having excellent workability, molten galvanized high-strength steel sheet, and method for producing same
10/26/2011	CN102226231A Method for controlling swelling rib in central section of color coating base material
10/26/2011	CN102226229A Preheating dehydrogenating device for steam drum annular gap
10/26/2011	CN101702311B Steel wire and manufacturing method therefor
10/26/2011	CN101597684B Heat treatment method of guide plate
10/26/2011	CN101590586B Method and mould for manufacturing valve retainer
10/25/2011	US8043444 Steel wire for cold-formed spring excellent in corrosion resistance and method for producing the same
10/25/2011	US8043086 Method and device for cooling or quenching slabs and sheets with water in a cooling pond
10/25/2011	CA2587858C Method of producing austentic iron/carbon/manganese steel sheets having very high strength and elongation characteristics and excellent homogeneity
10/20/2011	WO2011130387A2 Induction heat treatment of an annular workpiece
10/20/2011	WO2011129500A1 Door impact beam and a method for producing the same
10/20/2011	WO2011129465A1 Process for producing hot-rolled steel sheet and process for producing hot-dip galvanized steel sheet
10/20/2011	WO2011129452A1 High-strength hot-dip galvanized steel sheet with excellent formability and impact resistance, and process for producing same
10/20/2011	WO2011129179A1 Spring and method for producing same
10/20/2011	WO2011127501A1 Method for pre-heating annealing material in a hood-type annealing system
10/20/2011	US20110254208 Heat treatment furnace
10/20/2011	US20110253270 Gun barrel of firearms
10/20/2011	US20110253269 Antibacterial stainless steel wire and manufacturing method thereof
10/20/2011	US20110253268 High carbon content and high strength heat-treated steel rail and method for producing the same
10/20/2011	US20110253267 High strength steel pipe of api x65 grade or higher and manufacturing method therefor
10/20/2011	US20110253265 Quenched and tempered steel pipe with high fatigue life, and its manufacturing method
10/20/2011	US20110253263 Hot-dip galvanized steel sheet and manufacturing method thereof
10/20/2011	US20110252852 Conveying jig, method of manufacturing conveying jig, and method of heat-treating metal rings using conveying jig
10/20/2011	CA2796202A1 Method for pre-heating annealing material in a hood-type annealing system
10/20/2011	CA2796102A1 Induction heat treatment of an annular workpiece
10/20/2011	CA2794658A1 Production method of hot rolled steel sheet and production method of hot-dip galvanized steel sheet
10/19/2011	EP2377961A1 Oriented electrical steel sheet, and method for producing same
10/19/2011	EP2377954A1 Method for producing steel sheet for gasket, and gasket
10/19/2011	EP2376664A1 Method for cooling a moving metal belt

1 ... 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 ... 301