Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
08/2010
08/18/2010CN201553774U Adjustable charging rack
08/18/2010CN201553768U Walking beam end tapping heating furnace discharging furnace door scale collection device
08/18/2010CN201553767U Inverted plum-blossom spooling mechanism
08/18/2010CN201553766U Quick cooling device used for metal plates and strips
08/18/2010CN201553765U Gasoline engine crankshaft journal quenching device
08/18/2010CN201553764U Leaf spring aging setting device
08/18/2010CN201553763U Automatically controlled steel bottle quenching and tempering heat treatment production device
08/18/2010CN201553757U Quenching die of clutch diaphragm spring
08/18/2010CN201553756U External-heat-source-free mobile forging residual-heat annealing device
08/18/2010CN201553755U Thin thermal-protective coating box type low-temperature annealing furnace
08/18/2010CN201553754U Thermal refining device of air valve blank
08/18/2010CN101809174A Quenching method and device of ring-shaped article
08/18/2010CN101809173A Process and device for producing strips of silicon steel or multiphase steel
08/18/2010CN101809172A Insulation structure of induction heating coil
08/18/2010CN101805869A Boron-contained high-chromium high-speed steel roller material and heat treatment method thereof
08/18/2010CN101805825A Novel heating furnace without water cooling
08/18/2010CN101805824A Interrupted quenching thermal treatment method of 42CrMo4 roller shaft
08/18/2010CN101805823A Heat treatment process for mining cone bit friction pair
08/18/2010CN101805822A Thermal treatment method of 15CrMoG steel annular welding line
08/18/2010CN101804504A Welding method of precise mini cutter
08/18/2010CN101804438A Roll forming method of large and medium-size aluminum alloy hollow disk-shaped forgings
08/18/2010CN101519715B Electrode clamping and positioning device for bar heating
08/18/2010CN101476028B Skew roller table double-deck furnace
08/18/2010CN101476024B Easy-to-cut high-carbon steel annealing non-oxidation process
08/18/2010CN101078097B Steel plate manufacturing device
08/17/2010US7776453 Machine element and method for manufacturing thereof
08/17/2010US7776161 Cold-rolled steel sheet excellent in workability
08/17/2010US7776160 An apparatus (10) includes a low-carbon steel tube (24). The low- carbon steel tube (24) yields plastically more than about 5% before fracturing at temperatures down to about -40 degrees C. when stress is applied to the low-carbon steel tube
08/17/2010CA2555442C Threaded joint for an oil well pipe and method for manufacturing same
08/17/2010CA2471481C Method and installation for producing a hot rolled strip from austenitic rust-resistant steels
08/12/2010WO2010090238A1 Age hardenable steel and method for producing mechanical parts
08/12/2010WO2010089644A1 High-strength press hardened article, and manufacturing method therefor
08/12/2010WO2010089325A1 Handling machine for rails and handling process associated thereto
08/12/2010WO2010089103A1 Method and furnace for making a metal workpiece with regions of different ductility
08/11/2010EP2216422A1 High-strength cold-rolled steel sheet
08/11/2010EP2216418A1 Insulation structure of induction heating coil
08/11/2010EP2216417A2 Heater for heating a metal board
08/11/2010EP1594997B1 Eglin steel - a low alloy high strength composition
08/11/2010EP1397523B2 Cooling method for a hot-rolled product and a corresponding cooling-section model
08/11/2010CN201548056U Blank charging device
08/11/2010CN201545925U Conducting roller device for resistance reflow melting
08/11/2010CN201545889U Steel tapping pushing device of steel rolling heating furnace
08/11/2010CN201545888U Furnace chamber head-to-tail device for scraping, moving and discharging cinders of steel rolling heating furnace
08/11/2010CN201545887U Flue plate turnover device of hood-type furnace
08/11/2010CN201545886U Combined adjustable bucket
08/11/2010CN201545885U Device for quenching and tempering heat treatment production of steel cylinders
08/11/2010CN201545884U Induction hardening equipment of hydraulic torque converter piston
08/11/2010CN201545883U Hollow part quenching device
08/11/2010CN201545879U Tempering device for caterpillar track link tread for construction machinery
08/11/2010CN1990893B Tube mill lining board and manufacturing method thereof
08/11/2010CN101802238A High-strength steel sheet excellent in bendability and fatigue strength
08/11/2010CN101802236A High-strength steel sheet for can manufacturing and process for manufaturing the sheet
08/11/2010CN101802233A Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product
08/11/2010CN101802231A Device and method for heating a metal material
08/11/2010CN101802228A Method and device for hardening profiles
08/11/2010CN101801125A Induction heater, induction heating treatment equipment and induction heating treatment method
08/11/2010CN101800479A Intelligently-annealing power source control device
08/11/2010CN101800109A Iron-based amorphous alloy with high soft magnet performance and low cost and manufacturing method thereof
08/11/2010CN101798658A 24-30% Mn-containing alloy pipe material and manufacture method thereof
08/11/2010CN101798654A Steel used for straight seam electric resistance welding petroleum casing and casing manufacturing method
08/11/2010CN101798623A Half-bright annealing device
08/11/2010CN101798622A Port sealing device of high-frequency bright annealing furnace
08/11/2010CN101798621A Sphere seat softening process
08/11/2010CN101798620A Thermal treatment method for large-size complex cross section mold for extruding sectional material of train body
08/11/2010CN101798619A Local quenching process for link plate hole surface
08/11/2010CN101797630A Modified high-speed steel roller and preparation method thereof
08/11/2010CN101579804B Integral forming method of large size thin-walled titanium alloy cylindrical part without welding line
08/11/2010CN101560597B Flexible annealing method for eliminating ferritic stainless steel cold-reduced sheet strip Luders strain
08/11/2010CN101476029B Heat treatment method for diesel engine cam
08/11/2010CN101435016B Rolling wheel rotary type cooling bed
08/11/2010CN101381804B Heat treating method of thin sheet steel type part
08/11/2010CN101368249B Steel for boiler and method of producing the same
08/11/2010CN101362152B Intermediate-frequency quenching hard-surface strain roller manufacture method
08/11/2010CN101307380B Accelerated cooling process of quenching machine for enhancing intensity of normalized steel plate
08/11/2010CN101225462B Automobile wheel hub continuous heat-treating furnace
08/11/2010CN101135028B High-strength stainless steel and thermal treatment process
08/11/2010CN101121958B Method of transporting and heat treating coils of hot rolled products in a rolling mill
08/10/2010US7771548 for treating a heated metal part; hydrophobically modified polyacrylate copolymers; hardening; heat treatment; water; terpolymer of acrylamide and acrylic acid and an alkyl alkoxylate allyl ether;
08/10/2010US7771193 Double-chamber type heat-treating furnace
08/10/2010CA2498646C Atmosphere control during continuous heat treatment of metal strips
08/10/2010CA2413641C Method of restoration of mechanical properties of cast inconel 718 for serviced aircraft components
08/05/2010WO2010087529A1 High-strength hot-dip galvanized steel sheet and manufacturing method therefor
08/05/2010US20100196799 Conducting plates for fuel cell elements
08/05/2010US20100193087 Martensitic stainless steel seamless pipe for oil country tubular goods and method for manufacturing the same
08/05/2010US20100193086 Method for manufacturing martensitic stainless steel pipe or tube
08/05/2010US20100193085 Seamless steel pipe for use as vertical work-over sections
08/05/2010US20100193084 Aluminum-silicon alloys having improved mechanical properties
08/05/2010CA2750890A1 High strength galvanized steel sheet and method for manufacturing the same
08/04/2010EP2213790A1 Roller body for a roller for processing a material and method for producing a roller body
08/04/2010EP2213755A1 Hearth roll for continuous annealing furnace and process for production of the same
08/04/2010EP2213754A1 Strip material treatment apparatus
08/04/2010CN201540449U Protection cover for pinhole camera of annealing furnace
08/04/2010CN201540035U High-temperature material gas fast injection cooling unit
08/04/2010CN201540034U High-temperature material gas ultra-fast injection cooling unit
08/04/2010CN201538799U Heat accumulation type no-oxygen heating furnace
08/04/2010CN201538798U Pushing device for pusher-type furnace to push round billets
08/04/2010CN201538797U Bearing steel tube binding device for rolled steel heating furnace
08/04/2010CN201538796U Water cooled jacket for continuous type annealing furnace
08/04/2010CN201538795U Long shaft series workpiece heat processing furnace
08/04/2010CN201538794U Upper-lower cooling water spraying quenching device