| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 08/29/2012 | CN102649990A Process for laser transformation hardening of shaft workpieces |
| 08/29/2012 | CN102126110B Method for manufacturing high-silicon steel thin strip |
| 08/29/2012 | CN101978083B Hot rolled steel sheet possessing excellent fatigue properties and stretch-flange ability and process for producing the hot rolled steel sheet |
| 08/29/2012 | CN101947630B Controlled-forging controlled-cooling processing technology of bearing ring prepared by GCr15 |
| 08/29/2012 | CN101906528B Method for reducing pinchers of cold-rolled strip coil |
| 08/29/2012 | CN101400818B Spring steel, method for producing a spring using said steel and a spring made from such steel |
| 08/29/2012 | CN101336308B High-strength hot-dip zinced steel sheet excellent in moldability and suitability for plating, high-strength alloyed hot-dip zinced steel sheet, and processes and apparatus for producing these |
| 08/28/2012 | US8252226 High energy treatment of cutter substrates having a wear resistant layer |
| 08/23/2012 | WO2012111527A1 Steel part, single-cylinder internal combustion engine, saddled vehicle, and process for manufacture of steel part |
| 08/23/2012 | WO2012111391A1 High-purity ferritic stainless steel sheet having excellent oxidation resistance and high-temperature strength, and method for producing same |
| 08/23/2012 | WO2012111188A1 Precipitation hardening martensitic stainless steel |
| 08/23/2012 | WO2012110627A1 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 08/23/2012 | US20120211191 High Pressure Heat Treatment System |
| 08/23/2012 | US20120211132 Ultra high strength steel having good toughness |
| 08/23/2012 | US20120211131 High strength steel having good toughness |
| 08/23/2012 | DE102011010401A1 Mit Cr-Si-N Schichten versehene Werkzeuge zum Formen oder Stanzen von heissen Metallplatten A locked Cr-Si-N films Tools for molding or stamping of hot metal plates |
| 08/22/2012 | EP2489754A2 Hollow drilling steel rod and method of manufacturing the same |
| 08/22/2012 | EP2489747A1 Energization heating method and energization heating device |
| 08/22/2012 | EP2489452A2 System and method for forming and heat treating metal castings |
| 08/22/2012 | EP2488671A1 Heat treatment of martensitic stainless steel after remelting under a layer of slag |
| 08/22/2012 | EP1681362B1 High strength thin steel sheet excellent in hole expansibility and ductility |
| 08/22/2012 | EP1616970B1 High strength hot-rolled steel plate |
| 08/22/2012 | EP1475451B1 METHOD FOR HEAT TREATING Ni BASE ALLOY PIPE |
| 08/22/2012 | CN202390516U Aluminum magnesium silicon system aluminum alloy cold drawn tube quenching device |
| 08/22/2012 | CN202390504U Steel temperature-based to-be-rolled furnace temperature optimization system |
| 08/22/2012 | CN202390503U Furnace roller assembly |
| 08/22/2012 | CN202390502U Convection plate for hot charging of bell-type furnace |
| 08/22/2012 | CN202390501U Underground maintenance room for hood-type annealing furnace |
| 08/22/2012 | CN202390500U Improved structure of steel belt thermal treatment furnace |
| 08/22/2012 | CN202390499U Steel wire annealing furnace |
| 08/22/2012 | CN202390498U Steel plate cooling-rate measuring device for roller-type medium-thickness plate quenching machine |
| 08/22/2012 | CN202390497U Production system of spring wires |
| 08/22/2012 | CN202390496U Spline end protection device used for minor semi-axis quenching |
| 08/22/2012 | CN202390495U Central control device of saw bit tempering furnace |
| 08/22/2012 | CN202390494U Automatic loading device of circular saw blade matrix quenching line |
| 08/22/2012 | CN202390493U Heating furnace for heating two ends of each aluminum alloy pipe |
| 08/22/2012 | CN202390492U Inductor for induction hardening of crawler plate |
| 08/22/2012 | CN202390491U Exhaust hood for thermal treatment furnace |
| 08/22/2012 | CN202390489U Spray quenching device for die steel slab |
| 08/22/2012 | CN202390487U Cooling device used in spring wire production technology |
| 08/22/2012 | CN202390484U Production line for continuous muffle mesh-belt quenching furnace |
| 08/22/2012 | CN202390483U Machine tool for continuously quenching elongated steel pipe |
| 08/22/2012 | CN202390481U Solution treatment device for stainless steel elbow by utilizing resistance heat of butt welding machine |
| 08/22/2012 | CN202390480U Cover type annealing device of titanium coiled tape |
| 08/22/2012 | CN202390478U Single-cam quenching inductor for camshaft |
| 08/22/2012 | CN202390476U Profiled quenching sensor of guide wheel |
| 08/22/2012 | CN202390474U Material charging and discharging device of in-line induction annealing furnace |
| 08/22/2012 | CN102644647A Martensite stainless steel anti-theft screw manufactured by quenching hardness-increasing and brittle non-increasing process |
| 08/22/2012 | CN102644028A High strength steel having good toughness |
| 08/22/2012 | CN102643973A Induction heating welding heat treatment equipment |
| 08/22/2012 | CN102643972A Control method for carburizing, quenching and deformation of thin wheel disk type large-diameter cylindrical gear |
| 08/22/2012 | CN102643971A Online thermal treatment device for heavy rail |
| 08/22/2012 | CN102643958A Heat treatment device for gradient of disk component |
| 08/22/2012 | CN102641908A Continuous annealing dual-end dual-collecting wire drawing machine |
| 08/22/2012 | CN102199711B Production method of high-precision ultralong oxygen-free copper strip |
| 08/22/2012 | CN101942553B Offline or online integral quenching/tempering thermal treatment production line for standard steel rail and profiled steel rail |
| 08/22/2012 | CN101850361B Solid-solid phase continuous braze welding rolling device for stainless steel composite board |
| 08/22/2012 | CN101787423B Thermal processing method of Z12CN13 martensite stainless steel pressure spring forging |
| 08/22/2012 | CN101737479B Wear-resistant gear with alloy steel on surface |
| 08/22/2012 | CN101466851B Method of manufacturing high intensity electromagnetic steel plate |
| 08/16/2012 | WO2012108479A1 Hot rolled ferritic stainless steel sheet, method for producing same, and method for producing ferritic stainless steel sheet |
| 08/16/2012 | WO2012108461A1 Steel for carburizing, carburized steel component, and method for producing same |
| 08/16/2012 | WO2012108460A1 Steel for carburizing, carburized steel component, and method for producing same |
| 08/16/2012 | WO2012107110A1 Furnace |
| 08/16/2012 | WO2012085256A3 Method for producing hardened structural elements |
| 08/16/2012 | WO2012085253A3 Method for producing hardened components with regions of different hardness and/or ductility |
| 08/16/2012 | WO2012085251A3 Method for producing hardened structural elements |
| 08/16/2012 | WO2012085248A3 Method for forming and hardening coated steel sheets |
| 08/16/2012 | WO2012085247A3 Method for producing hardened structural elements |
| 08/16/2012 | WO2012059189A4 Uv laser exposure of housings and components of door drives and door closers |
| 08/16/2012 | US20120205016 Steel tube for airbags and a process for manufacturing same |
| 08/16/2012 | US20120205015 Induction hardened blade |
| 08/16/2012 | US20120204994 Heavy wall steel pipes with excellent toughness at low temperature and sulfide stress corrosion cracking resistance |
| 08/15/2012 | EP2487268A1 Oven |
| 08/15/2012 | EP2486157A1 Method and hood-type annealing furnace for annealing metal bands at high temperatures |
| 08/15/2012 | EP2220259B1 Method for the production of coated and hardened components made of steel, and coated and hardenable steel strip therefor |
| 08/15/2012 | EP1693476B1 Steel product for structural member of automobile and method for production thereof |
| 08/15/2012 | CN202380066U Wet zinc ash removal device of furnace grate of annealing furnace of hot galvanizing line |
| 08/15/2012 | CN202380055U Water-cooling walking beam supporting steel platform |
| 08/15/2012 | CN202380054U Heating hood for hood-type annealing furnace |
| 08/15/2012 | CN202380053U Air floatation type aluminum belt heating conveying device |
| 08/15/2012 | CN202380052U Transportation spray box for strip heating |
| 08/15/2012 | CN202380051U Continuous annealing furnace for overlong medium-narrow band silicon steel coils |
| 08/15/2012 | CN202380050U Steel belt bainite-martensite complex phase quenching system |
| 08/15/2012 | CN202380049U Automatic unreeling reversing mechanism for steel cord heat treatment |
| 08/15/2012 | CN202380048U Device for heating and supporting aluminum tape |
| 08/15/2012 | CN202380047U Wire release seat of annealing furnace |
| 08/15/2012 | CN202380046U Steel strip martensite secondary quenching system |
| 08/15/2012 | CN202380045U Solid solution trolley type heat treatment furnace |
| 08/15/2012 | CN202380043U Three-shaft linkage induction quenching numerical control machine tool |
| 08/15/2012 | CN202380042U Steel strip water-cooling pressure plate quenching device with adjustable cooling end point temperature |
| 08/15/2012 | CN202380040U Heating device used in crankshaft connecting rod neck medium-frequency induction quenching process |
| 08/15/2012 | CN202380039U Stainless steel cooling water tank |
| 08/15/2012 | CN202377642U Cooling device of mesh-belt type brazing furnace |
| 08/15/2012 | CN202377633U Mesh-belt type brazing furnace |
| 08/15/2012 | CN102639745A Low-carbon steel sheet and process for producing same |
| 08/15/2012 | CN102639742A Austenite stainless steel sheet and method for producing same |
| 08/15/2012 | CN102639740A Steel sheet for cans and method for producing same |
| 08/15/2012 | CN102639739A High-strength steel sheet having excellent hydrogen embrittlement resistance and maximum tensile strength of 900 mpa or more, and process for production thereof |
| 08/15/2012 | CN102639738A High-strength hot-dip galvanized steel sheet with excellent formability and process for producing same |