Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
09/2007
09/12/2007CN101032783A Explosion welding technique of composite steel pipes of stainless steel and carbon steel
09/12/2007CN101032732A Environment-friendly silver metal oxide rivet touch head producing method
09/12/2007CN100336930C Steel sheet for container and method of producing the same
09/12/2007CN100336917C Gas jet cooling device
09/12/2007CN100336916C Method for producing grain-oriented silicon steel plate with mirror surface
09/11/2007US7267732 Method for manufacturing steel parts by continuous copper-brazing and quench hardening
09/07/2007WO2007100042A1 PROCESS FOR PRODUCING HIGH-Cr SEAMLESS PIPE
09/07/2007WO2007099671A1 Wire with excellent suitability for drawing and process for producing the same
09/07/2007WO2007098884A1 Method of making stainless steel hypotubes
09/07/2007CA2642935A1 Wire rods having excelling in wire drawability
09/07/2007CA2627938A1 Heat exchange apparatus and method of use
09/06/2007US20070204939 Method and Device for Induction Heating and Hardening Apparatus
09/05/2007EP1830147A1 Multi-chamber continuous furnace with protective gas supply and process for the scale free heating of galvanized workpieces
09/05/2007EP1829981A1 Apparatus for producing high strength steel sheet or hot dip zinc plated high strength steel sheet excellent in elongation and bore expanding characteristics
09/05/2007CN200943104Y Band steel continuous hot zinc coating process equipment
09/05/2007CN101031667A Grain-oriented electrical steel sheet, and manufacturing method therefor
09/05/2007CN101029398A Gear carburizing quenching process for heavy-duty automobile
09/05/2007CN101029371A Balancing shaft and its forging method for engine
09/05/2007CN101029369A Metal material and process for producing various accessories therefrom
09/05/2007CN101029352A Drilling-rod weld heat-treatment quenching method and apparatus
09/05/2007CN101029348A Process for heating titanium oblique perforating rod ingot
09/05/2007CN101028680A Method for producing 8.8-grade high-strength fastener
09/05/2007CN100335662C Production of concrete transporting pipes
09/05/2007CN100335208C Methods and apparatus for heat treatment and sand removal for castings
09/04/2007CA2344423C Method for producing hot-rolled strip and plates
08/2007
08/30/2007WO2007097663A1 Metal heat treating methods and devices
08/30/2007WO2007097217A1 Damping alloy sheet and process for producing the same
08/30/2007WO2007097216A1 Damping alloy sheet and process for producing the same
08/30/2007WO2007097043A1 Clutch member and process for manufacturing the same
08/30/2007WO2007096502A2 Method and device for cooling and stabilizing strip in a continuous line
08/30/2007US20070201783 Bearing Device For Wheel
08/30/2007US20070199720 Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe
08/30/2007CA2643298A1 Metal heat treating methods and devices
08/29/2007EP1825008A1 Treatment process for bars
08/29/2007EP0912769B1 Induction hardened microalloy steel having enhanced fatigue strength properties
08/29/2007CN200940156Y Temperature control device for pipeline heat treatment
08/29/2007CN200940155Y Convector plate for plate heat treatment in bell-type furnace
08/29/2007CN200940154Y Plate steel annealing furnace
08/29/2007CN200940153Y Double layered roller bottom type continuous spheroidizing furnace
08/29/2007CN101027417A Stainless steel sheet for gasket and method for producing same
08/29/2007CN101027416A Self-annealing enclosure device
08/29/2007CN101024861A Carbon-steel gas-protection-free oxidation-preventing annealing method
08/29/2007CN100334235C Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method
08/23/2007WO2007094096A1 High frequency hardening method, high frequency hardening equipment, and high frequency hardened product
08/23/2007WO2007093584A1 A sealing device for a gas inlet to an oven or the like
08/23/2007WO2007077363A3 Thermal isolation screen for isolating an electromagnetic inductor, and heat treatment installation comprising such a screen
08/23/2007US20070198122 Method For Producing A Metal
08/23/2007US20070194504 Heat Treatment System
08/23/2007DE102006012089A1 Burner nozzle used in installation for treating continuously cast strands comprises burner sleeve which protrudes over nozzle head to form zone for producing twist in flow mixture downstream
08/23/2007CA2642235A1 A sealing device for a gas inlet to an oven or the like
08/22/2007EP1821057A1 A sealing device for a gas inlet to an oven or the like
08/22/2007EP1820871A1 Process and device for precipitation hardening of highly alloyed light metals by induction
08/22/2007EP1820869A1 Steel and steel wire for high strength spring
08/22/2007EP1819461A2 Method of producing austentic iron/carbon/manganese steel sheets having very high strength and elongation characteristics and excellent homogeneity
08/22/2007EP1636391B1 Support for structural components
08/22/2007EP1425426B1 Device for quenching and tempering long-length rolling stock
08/22/2007CN1333088C Cage type furnace convection plate
08/22/2007CN1332774C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
08/22/2007CN101021001A Method of coating gas turbine components
08/22/2007CN101020995A Continuous annealing furnace for blown aluminium plate
08/22/2007CN101020987A Fast microwave crystallizing process for preparing nanometer crystalline iron-base soft magnetic alloy
08/22/2007CN101020953A Process of heating lead-containing free-cutting steel
08/22/2007CN101020952A Deformation controlling method and apparatus of large saw blade plate material in continuous heat treatment
08/22/2007CN101020951A Controlled cooling process and water cooler for high carbon and chromium bearing steel pipe blank after hot rolling
08/22/2007CN101020950A Heat treatment process for thin-wall low carbon steel part
08/22/2007CN101020287A Forging and rolling technology and hot rolling and forging apparatus for making large pulley
08/21/2007US7258756 Very thin, high carbon steel wire and method of producing same
08/21/2007US7258755 Prior to introduction of the castings into a heat treatment station, the castings are subjected to heating sufficient to arrest cooling of the castings at or above a process control temperature for the metal
08/21/2007US7257977 Thermo-electromechanical process and system for coiling and uncoiling an in-line hot rolled pre-strip from thin slab continuous casting
08/21/2007CA2214012C Method for making steel wires and shaped wires, and use thereof in flexible ducts
08/16/2007WO2007091585A1 Method for manufacturing bottle member for air bag inflator
08/16/2007WO2007090455A1 Roller hearth furnace for heating and/or temperature equalisation of steel or steel alloy continuous cast products and arrangement thereof before a hot strip final rolling mill
08/16/2007WO2007090326A1 Automatic production line for producing high-strength color coated packing steel strip by utilizing non-quenching process
08/16/2007US20070190353 Hot dip galvanized composite high strength steel sheet excellent in shapeability and hole enlargement ability and method of production of same
08/16/2007US20070187004 A hub ring and/or an outer ring constituting a bearing device for a wheel is formed of a steel which contains 0.45 to 0.70 mass % of C and one of V, Nb and Ti in a total amount of 0.3 mass % or less, wherein a micro structure of a part being not surface-hardening-treated contains a ferrite particles
08/16/2007US20070187003 High-strength bolt superior in delayed fracture and resistance and relaxation resistance
08/16/2007US20070187002 Piston ring having improved scuffing, cracking and fatigue resistances, and its production method, as well as combination of piston ring and cylinder block
08/16/2007DE102006037555B3 Heat treatment oven for metal components has temperature sustaining chamber with highly heat reflective inner wall lining
08/15/2007EP1817436A1 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom
08/15/2007EP1309734B1 Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel
08/15/2007CN2934264Y Single-piece feeding device of horizontal quenching machine
08/15/2007CN2934263Y Quenching inductor for single-rim rail wheel
08/15/2007CN2934262Y Intermediate frequency quenching inductor for large-scale internal tooth loop
08/15/2007CN2934261Y Telescopic rotating centre device
08/15/2007CN2934260Y New type lifting mechanism
08/15/2007CN2934259Y Step feeding mechanism
08/15/2007CN2934258Y Hydraulic support mechanism for quenching slender rod piece
08/15/2007CN2934257Y Precise induction heating annealing device for screw-thread element
08/15/2007CN2934256Y Inner wall quenching device for thin-walled tubular piece
08/15/2007CN2934255Y Upright quenching furnace
08/15/2007CN2934254Y Special tool for steel pipe quenching
08/15/2007CN101018875A Method for heat-treating steel material
08/15/2007CN101018627A High-strength part and process for producing the same
08/15/2007CN101016602A Ferrum-nickel-manganese alloy golf pole head and preparing method thereof
08/15/2007CN101016580A Heat treatment method for high strength heavy type steel rail head
08/15/2007CN101016579A Heat treatment system for high strength heavy type steel rail head
08/14/2007US7255758 Heat resistance and fatigue strength, and can be produced through a drawing without applying a quenching and tempering process
08/09/2007WO2007088985A1 Steel sheet with excellent suitability for fine blanking and process for producing the same
08/09/2007WO2007088825A1 Method of induction hardening
08/09/2007US20070181231 Method for producing high-carbon steel rails excellent in wear resistance and ductility