| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/20/2011 | CN101509060B Device for hardening of rails |
| 04/20/2011 | CN101460644B High-strength steel sheet and its production method |
| 04/20/2011 | CN101307677B Renewed superhigh intensity distortion-resistant abrasion-proof oil well pipe and its process |
| 04/20/2011 | CN101287854B Method of continuous annealing/hot-dipping of steel sheet containing silicon and apparatus for continuous annealing/hot-dipping |
| 04/20/2011 | CN101235433B Locomotive wheel rim hoop fastening method |
| 04/20/2011 | CN101219457B Preparation of pre-coated aluminium alloy articles |
| 04/19/2011 | CA2530008C High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same |
| 04/14/2011 | WO2011042164A1 Method and hood-type annealing furnace for annealing metal bands at high temperatures |
| 04/13/2011 | EP2309015A1 High-strength hot-dip zinc-coated steel sheet having excellent surface appearance and process for production of same |
| 04/13/2011 | EP2309014A1 Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor |
| 04/13/2011 | EP2309013A1 Cold-rolled steel sheet, process for production of same, and backlight chassis |
| 04/13/2011 | EP2309012A1 High yield ratio and high-strength cold rolled thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized cold rolled thin steel sheet, high-yield ratio high-strength hot-dip galvannealed cold rolled thin steel sheet, and methods of production of same |
| 04/13/2011 | EP2309007A2 Device for hardening a cylindrical section of a workpiece and use of such a device |
| 04/13/2011 | EP2307780A1 Flexible duct for conveying hydrocarbons having a high corrosion resistance, and method for making same |
| 04/13/2011 | EP2307581A1 Continuous production system for magnetic processing of metals and alloys to tailor next generation materials |
| 04/13/2011 | EP1948387B1 Nozzle for emitting solid carbon dioxide particles with an axially displaceable valve member; apparatus for cooling a heated weld zone with such a nozzle; welding apparatus with such cooling apparatus |
| 04/13/2011 | CN201793695U Micro-tension control system of high-speed continuous-induction annealing furnace of copper pipes |
| 04/13/2011 | CN201793676U Rod pinch roll device of steel rolling and pushing type steel tapping machine |
| 04/13/2011 | CN201793675U Device for rapidly stacking annealed steel coils |
| 04/13/2011 | CN201793674U Steel coil bearing plate of hydrogen hood-type annealing furnace |
| 04/13/2011 | CN201793673U Automatic cooling system for heat treatment furnace |
| 04/13/2011 | CN201793672U Steel wire air-cooling sorbitizing equipment |
| 04/13/2011 | CN201793671U Steel wire open-flame thermal treatment equipment |
| 04/13/2011 | CN201793670U Cold rolling large vertical continuous annealing furnace |
| 04/13/2011 | CN201793669U Band steel deviation correcting device of continuous annealing furnace |
| 04/13/2011 | CN201793668U Nitrogen gas sealing pipeline at outlet of continuous annealing furnace |
| 04/13/2011 | CN201793667U Drying furnace band steel broken band leading connection device |
| 04/13/2011 | CN201793666U Sealing roller for galvanized continuous annealing furnace |
| 04/13/2011 | CN201793665U Wire separation device for wire rod production lead kettle |
| 04/13/2011 | CN201793664U Water roller quenching device for steel strip |
| 04/13/2011 | CN201793663U Device for realizing quick temperature reduction of heat treatment furnace |
| 04/13/2011 | CN201793662U Pipe heat treatment hanger |
| 04/13/2011 | CN201793661U Sectional roller disc furnace for quickly heating large-caliber thin-wall steel tube |
| 04/13/2011 | CN201793660U Tube supporting device for steel tube quenching machine |
| 04/13/2011 | CN201793659U Self-adjusting flat flame burner of annealing furnace |
| 04/13/2011 | CN201793658U High-temperature resistant thermal insulation beam at furnace mouth of annealing furnace |
| 04/13/2011 | CN201793657U Rotary vane flat flame burner of annealing furnace |
| 04/13/2011 | CN201793656U Combustion air preheating device for annealing furnace |
| 04/13/2011 | CN201793655U Support device for heat treatment of U-shaped tube |
| 04/13/2011 | CN201793654U Off-line or on-line integral quenching and tempering heat treatment production line for standard steel rails and special-shaped steel rails |
| 04/13/2011 | CN201793653U Protective atmosphere thermal treatment electric pit furnace |
| 04/13/2011 | CN201793652U Loading and unloading machine used in thermal treatment production of metals |
| 04/13/2011 | CN201793651U Thermal treatment equipment rolling-over device |
| 04/13/2011 | CN201793650U Workpiece quenching water-inlet mechanism |
| 04/13/2011 | CN201793649U Heat treatment furnace |
| 04/13/2011 | CN201793645U Adjustable nozzle device for steel tube quenching machine |
| 04/13/2011 | CN201793637U High-frequency quenching machine tool for shaft part |
| 04/13/2011 | CN201793630U Induction heating device for screw spikes |
| 04/13/2011 | CN102016085A Steel filament patented in bismuth |
| 04/13/2011 | CN102016084A Heat treatment method for rolling bearing device for wheel and cooling device for inner shaft |
| 04/13/2011 | CN102015148A Manufacturing method for a drive belt ring component |
| 04/13/2011 | CN102011852A Method for processing transmission gear ring |
| 04/13/2011 | CN102011127A Unit with functions of continuous hot galvanizing and continuous annealing |
| 04/13/2011 | CN102011060A 700MPa-grade cold rolled steel plate with high weather resistance and preparation method thereof |
| 04/13/2011 | CN102011056A High-strength cold-rolled steel with yield strength of 550MPa level and preparation method thereof |
| 04/13/2011 | CN102011055A Method for manufacturing hard bainite bearing |
| 04/13/2011 | CN102011053A High-yield-ratio high-strength thin steel sheet excelling in weldability and ductility and manufacturing method thereof |
| 04/13/2011 | CN102011052A Preparation method of twin crystal induced plastic steel plate |
| 04/13/2011 | CN102010982A Method for binding band steel coil during annealing treatment in bell type furnace |
| 04/13/2011 | CN102010981A Continuous annealing furnace of high-efficiency energy-saving metal strip |
| 04/13/2011 | CN102010980A Steel wire open firing, water quenching and thermal insulation combined isothermal quenching device |
| 04/13/2011 | CN102010979A Steel wire through pipe type heating, water quenching and thermal insulation combined isothermal quenching device |
| 04/13/2011 | CN102010978A Protective bar device for preventing strip steel from scratching in preheating furnace |
| 04/13/2011 | CN102010977A Wire penetrating device of steel wire heat treatment direct firing furnace |
| 04/13/2011 | CN102010976A Steel belt heat treatment waste heat recovery device with bilayer structure |
| 04/13/2011 | CN102010975A Carrier roller of annealing furnace |
| 04/13/2011 | CN102010974A Matching structure of heating furnace and annealing furnace for producing steel balls |
| 04/13/2011 | CN102010973A Simple method for deformation control during carburizing and quenching of large-diameter heavy-duty gears |
| 04/13/2011 | CN102010972A Method for eliminating internal stress of crankshaft through harmonic spectrum vibration aging treatment |
| 04/13/2011 | CN102010971A All-hydrogen thermal treatment furnace of nuclear safety pipe |
| 04/13/2011 | CN102010970A Device for hardening rails |
| 04/13/2011 | CN102010969A Device for hardening rails |
| 04/13/2011 | CN102010968A Device for hardening rails |
| 04/13/2011 | CN102010967A Method and special cushion block for controlling deformation of oversize steel plate in high temperature heat treatment |
| 04/13/2011 | CN102010966A Induction heating localized tempering process for 30CrMnSiNi2A part |
| 04/13/2011 | CN102010965A Magnetic plate turnover machine for steel plate |
| 04/13/2011 | CN102010964A Heating treatment technology for low-alloy bucket lip mesh tape |
| 04/13/2011 | CN102010963A Method for effectively controlling medium plate detection defects |
| 04/13/2011 | CN102010943A Lead pan for quenching steel wire |
| 04/13/2011 | CN102010941A Simple and easy method for avoiding defect of continuous induction quenching |
| 04/13/2011 | CN102010940A Laser surface treatment method of pass roll |
| 04/13/2011 | CN102009327A Roller manufacturing process for overrange cold bend rolling mill |
| 04/13/2011 | CN102009325A Method for improving corrosion resistance of weld joint of hastelloy conductive roller |
| 04/13/2011 | CN102009109A Manufacturing method of large torsion spring |
| 04/13/2011 | CN101745780B Method for manufacturing large-wire-diameter steel wire feed chute plates |
| 04/13/2011 | CN101724740B Method for heat treatment of P92 steel |
| 04/13/2011 | CN101649432B Subzero cooling strengthening processing method of 5A06 aluminum alloy MIG welding joint |
| 04/13/2011 | CN101649377B Hardness control method in steel roller welding process of steel coil decoiler |
| 04/13/2011 | CN101519718B Method for improving supporting strength of steel support |
| 04/13/2011 | CN101376959B Alloying soaking furnace capable of realizing hot dip galvanizing coating alloying annealing curve free inclination of soaking temperature |
| 04/13/2011 | CN101331244B High strength steel wire with excellent ductility and manufacturing method of the same |
| 04/13/2011 | CN101048524B Steel pipe for air bag inflator and method for production thereof |
| 04/12/2011 | US7922968 Iron, silicon, manganese, aluminum, copper, carbon, phosphorus, sulfur, nitrogen and cobalt; reheating the steel slab, finishing by hot rolling at an Ar3 transformation temperature, cold rolling, continuous annealing; improved corrosion resistance against condensed water; cost efficient; high strength |
| 04/12/2011 | US7922840 Method and installation for producing hot-rolled strip from austenitic stainless steels |
| 04/12/2011 | US7922839 Method for brake rotor assembly and manufacture |
| 04/12/2011 | US7922837 Steel sheet for vitreous enameling and method for producing the same |
| 04/12/2011 | US7922835 High strength steel sheet excellent in formability |
| 04/12/2011 | CA2314533C Low-aluminum steel sheet for packaging |
| 04/07/2011 | WO2011040587A1 Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same |
| 04/07/2011 | WO2011040303A1 Facility used for both continuous hot-dip coating and continuous annealing |