Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
02/2011
02/02/2011CN101962738A Superfine carbide high-alloy tool steel shear-steel splicing mechanical blade
02/02/2011CN101962709A Roller type steel pretreatment heating device
02/02/2011CN101962708A Temperature uniformity control system for multi-temperature zone of large plate vacuum annealing furnace and control method thereof
02/02/2011CN101962707A Method for producing 42CrMo steel seamless steel tube
02/02/2011CN101962705A Technique treatment method for induction heating of special-shaped piece
02/02/2011CN101962577A Steel heating technology byutilizing biomass gas
02/02/2011CN101707087B Method for manufacturing cable shielding strip
02/02/2011CN101629235B Quenching method of roller path of double-roller path variable pitch bearing
02/02/2011CN101619382B Heat-treatment process for enhancing offset yield strength Rp 0.02
02/02/2011CN101568654B Method of cooling hot forged part, apparatus therefor, and process for producing hot forged part
02/02/2011CN101509064B Roller stabilizing apparatus of stainless steel mirror plane plate annealing oven rapid chilling section
02/02/2011CN101391264B Technique method of thin middle plate continuous casting and rolling production
02/02/2011CN101012492B Heat treatment method of perforating head
02/01/2011US7879287 Carbon, silicon, manganese, copper, nickel, molybdenum, vanadium, calcium, oxygen, and sulfur satisfy specific relationships; microstructure is ninety five percent by volume bainitic ferrite; hydrogen sulfide resistance, suitable for pipe lines for transport of oil, natural gas
02/01/2011US7879164 Excellent in mechanical strength, workability and thermal stability; use in constructon material for e.g. automobiles, household appliances and machine structures; main phase ferrite; specified ferrite crystal grain diameter; ultra fine crystal grains; hot rolling, cooling; pickling, hot-dip plating
01/2011
01/27/2011WO2011010664A1 Method for heat-treating a ring-shaped member, method for producing a ring-shaped member, ring-shaped member, bearing ring, rolling bearing, and method for producing a bearing ring
01/27/2011WO2011009819A1 Method for controlling and/or regulating an induction furnace for a rolling mill, control and/or regulating device for a rolling mill, and rolling mill for producing rolling stock
01/27/2011WO2011009769A1 Method and device for energy-efficient hot forming
01/27/2011US20110017368 Steel Material, Process of Fabricating Steel Material, and Apparatus of Fabricating Steel Material
01/26/2011EP2278036A1 Ferritic stainless steel having high temperature creep restistance
01/26/2011EP2278034A1 High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet
01/26/2011EP1632582B1 Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof
01/26/2011EP1452247B1 Method of manufacturing steel plate
01/26/2011CN201723712U Rubber sealing gasket of built-in metal framework
01/26/2011CN201722420U Continuous annealing device
01/26/2011CN201722413U Flexible roller guide apron for continuous strip steel annealing furnace
01/26/2011CN201722412U Processing device of ship container lockset product
01/26/2011CN201722411U High-toughness alloy steel manufacturing device
01/26/2011CN201722410U Production device for container lock materials
01/26/2011CN201722409U Circular seam local heating device of nuclear-power steam generator
01/26/2011CN1973578B Multi-frequency heat treatment of a workpiece by induction heating
01/26/2011CN101960137A Method for aligning an elongated component
01/26/2011CN101960038A Cold-rolled steel sheets
01/26/2011CN101960036A Cold-rolled steel sheet and process for production thereof
01/26/2011CN101959626A Cooling system and cooling method of rolling steel
01/26/2011CN101957141A External heat treatment furnace blank loading and unloading device
01/26/2011CN101956805A Process method of arc moulding of rolling wheel by using residual stress truncation method
01/26/2011CN101956140A Lining plate for large ball mill and casting method thereof
01/26/2011CN101956139A High-strength cold-rolled steel sheet with yield strength level of 700MPa and manufacturing method thereof
01/26/2011CN101956138A Productions method of Cu-contained low-alloy steel
01/26/2011CN101956124A Wear-resistant high holding precision rolling rear working roller and production method thereof
01/26/2011CN101956063A Surface cleaning tool of coiler furnace drum
01/26/2011CN101956062A Furnace platform of bell-type furnace
01/26/2011CN101956061A Process and device for recovering and recycling protective gas of bell-type bright annealing furnace
01/26/2011CN101956060A Bainite continuous quenching system of steel band
01/26/2011CN101956059A Device for continuously heating steel strip by direct energization
01/26/2011CN101956058A Steel band direct-electrifying and constant temperature-keeping device
01/26/2011CN101956057A Steel band thermal treatment system with waste heat utilization device
01/26/2011CN101956056A Multifunctional same-furnace multi-band bimetal strip saw blade heat treatment full-automatic production line and process thereof
01/26/2011CN101956055A Heat treatment method of large-diameter thick-walled heat-resistant steel pipe
01/26/2011CN101956054A Horizontal type integral heat treatment method of large-size pressure vessel
01/26/2011CN101956053A Mesh belt type hot blast tempering furnace
01/26/2011CN101956050A Steel strip water filled roller cooling quenching device
01/26/2011CN101956049A Steel strip Bainite/Martensite duplex phase quenching system
01/26/2011CN101670372B Method for eliminating defect of strip shape of hot-rolled high-strength steel
01/26/2011CN101670365B Preparation method of double lateral insert silver-copper composite strip
01/26/2011CN101654724B Continuous high-speed steel protective atmosphere quenching furnace
01/26/2011CN101633110B Cutter ring manufacturing process
01/26/2011CN101597683B Method for processing wear resistance steel medium alloy lining board
01/26/2011CN101597678B Method for processing wear resistance steel medium alloy lining board
01/26/2011CN101575665B Roller-bottom type normalizing furnace bottom-roller changing method
01/26/2011CN101509063B Process for quenching hard-tooth surface canine tooth loop intermediate-frequency edge roller seating space
01/26/2011CN101506392B Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same
01/26/2011CN101476080B Low welding crack sensitivity, quenching and tempering, high rigid plate and manufacturing method thereof
01/26/2011CN101468363B Multi-pass drawing technological process for manufacturing magnesium and magnesium alloy filament
01/26/2011CN101463416B Valve port shielding heat treatment method for hydraulic mechanism control valve
01/26/2011CN101450418B Stirring friction-welding technique capable of increasing weldability of aluminum base composite material
01/26/2011CN101444792B Method for producing seamless steel pipes used for large-diameter high-pressure gas cylinders
01/26/2011CN101395284B Process for producing grain-oriented magnetic steel sheet with excellent magnetic property
01/26/2011CN101384742B High-strength steel excellent in weldability and process for production thereof
01/26/2011CN101372724B Quenching method of transverse element for metal push belt
01/26/2011CN101265514B Composite heat treatment method for 30CrMnSiA steel thin wall spinning cylinder-shape element
01/26/2011CN101241811B Making method for temperature controller heteromorphism section electric contact material
01/26/2011CN101169984B Million-kilowatts-class nuclear power pressure container safe end manufacture process
01/25/2011US7875235 Method for batchwise heat treatment of goods to be annealed
01/25/2011CA2593949C Method of transporting and heat treating coils of hot rolled products in a rolling mill
01/25/2011CA2488229C Device for cooling and/or rinsing steel wires and/or tapes
01/25/2011CA2478123C High-resistant, low-density hot laminated steel and method for the production thereof
01/20/2011WO2011008114A1 A method of increasing heat exchange surfaces and active surfaces of metal elements including, in particular, heat exchange surfaces
01/20/2011WO2011007434A1 Induction heating coil for carburizing and carburizing system
01/20/2011WO2010120079A3 Surface treatment apparatus and method using plasma
01/20/2011WO2010094735A3 Quenching machine and method for fixture quenching by induction
01/20/2011US20110011499 Method and device for hardening profiles
01/20/2011DE102007054761B4 Gasverteilerplatte für eine Heizkammer eines Ofens Gas distribution plate for a heating chamber of a furnace
01/20/2011DE10163970B4 Verschleißarme Werkstückfläche und Verfahren zu ihrer Herstellung Wear-resistant work surface and process for their preparation
01/19/2011EP2275765A1 Transportable burner plate shelf
01/19/2011EP2275581A1 Method for producing can manufacturing steel sheet
01/19/2011EP2274953A1 Inductive heating using permanent magnets for hardening of gear teeth and components alike
01/19/2011EP2274113A1 Method and apparatus for controlled cooling
01/19/2011EP1634975B9 Hot dip alloyed zinc coated steel sheet and method for production thereof
01/19/2011EP1338667B1 Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production
01/19/2011CN201713552U Steel belt direct power-on continuous heating device
01/19/2011CN201713551U Three-stage pressure reducing and balancing gas supplying device used for thermal treatment furnace
01/19/2011CN201713550U Wire processing furnace tank with improved structure
01/19/2011CN201713549U Automatic heating and feeding device for hot heading ball billet of wind power steel ball
01/19/2011CN201713548U Steel-pipe annealing device
01/19/2011CN201713547U Electric-heating far-infrared full-fiber metal thermal treatment furnace
01/19/2011CN201713546U Annealing furnace with improved structure
01/19/2011CN201713545U Bidirectional heat storage type continuous spheroidization annealing furnace
01/19/2011CN201713544U Bell-type strong convection bright annealing oven