| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 12/05/2012 | CN202576513U Eccentric four-way joint for water beam at bottom of steel pushing type continuous heating furnace |
| 12/05/2012 | CN202576512U Furnace door of hot-rolling push-rod furnace |
| 12/05/2012 | CN202576511U Bell type furnace unit |
| 12/05/2012 | CN202576510U Fully automatic copper wire softening annealing device |
| 12/05/2012 | CN202576509U Hearth roll with gear locking mechanism |
| 12/05/2012 | CN202576508U Annealing control apparatus of large drawing mill for continuously annealing |
| 12/05/2012 | CN202576507U Wire rod heating device |
| 12/05/2012 | CN202576506U Novel roller replacement device for furnace bottom roller |
| 12/05/2012 | CN202576505U Device for sealing outlet of cold-rolled silicon steel normalizing scouring annealing furnace |
| 12/05/2012 | CN202576504U Double-hardness quenching sensor of bearing |
| 12/05/2012 | CN202576503U Heavy-duty car gear class part clamping heat treatment tool |
| 12/05/2012 | CN202576502U Bending deformation preventing mechanism for crankshafts in quenching |
| 12/05/2012 | CN202576501U Large-scale marine crank shaft quench machine tool |
| 12/05/2012 | CN202576500U Three-claw automatic positioning anti-deformation mechanism for heat treatment of shaft parts |
| 12/05/2012 | CN202576499U High-quality heat treating machine |
| 12/05/2012 | CN202576498U Nickel-base corrosion-resistant alloy pipe heat treatment device |
| 12/05/2012 | CN202576497U Synchronous rotating mechanism |
| 12/05/2012 | CN202576496U Furnace mouth guard plate for trolley-type heat treatment furnace |
| 12/05/2012 | CN202576495U Trolley-type heat treatment furnace |
| 12/05/2012 | CN202576494U Trolley system for heat treating furnace |
| 12/05/2012 | CN202576493U Material tool for heat treatment of shaft part |
| 12/05/2012 | CN202576490U Diaphragm spring pressure quenching mould |
| 12/05/2012 | CN202576489U Big thick wall arc-shaped workpiece heat treatment spray device |
| 12/05/2012 | CN202576488U Novel quenching appliance for cylindrical workpiece |
| 12/05/2012 | CN202576486U Corundum carrier roller |
| 12/05/2012 | CN202576485U Rack rail wheel single-tooth quenching inductor |
| 12/05/2012 | CN202576483U Middle-frequency quenching sensor of small-sized pivoting support |
| 12/05/2012 | CN202576482U Rotating table |
| 12/05/2012 | CN202570850U Spool for circle-pulled-to-flat unit |
| 12/05/2012 | CN202570779U Continuous annealing double-end double-coiling drawbench |
| 12/05/2012 | CN102812146A Seamless steel pipe for steam injection, and method of manufacturing same |
| 12/05/2012 | CN102812145A High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor |
| 12/05/2012 | CN102812134A System And Method For Treating An Amorphous Alloy Ribbon |
| 12/05/2012 | CN102809301A Heating furnace for heating steel billet |
| 12/05/2012 | CN102808188A Gas carburizing and quenching technology for annular gears of transmissions |
| 12/05/2012 | CN102808134A Alloy steel lining plate special for large/medium-sized ball mill and production process for alloy steel lining plate |
| 12/05/2012 | CN102808132A Traction seat casting and processing technology |
| 12/05/2012 | CN102808077A Thin-wall gear ring type part quenching method for keeping accuracy level |
| 12/05/2012 | CN102808076A Annealing device |
| 12/05/2012 | CN102808075A Heat treatment technology method for high-speed steel-disc milling cutter |
| 12/05/2012 | CN102808069A Oversize heat recovery-type push disc-type wire continuously and isothermally-balling and annealing furnace |
| 12/05/2012 | CN102808068A Process for performing continuous annealing on low-carbon aluminum killed steel belt |
| 12/05/2012 | CN102806405A Domestic 08Ni3DR steel thin multi-pass welding process |
| 12/05/2012 | CN102806392A Copper zinc alloy skin-core structure wire material for wire electrical discharge machining |
| 12/05/2012 | CN102806291A Wind-powered main shaft forging method |
| 12/05/2012 | CN102392192B Steel plate with thickness of 80mm and low compression ratio for ocean engineering and manufacturing method thereof |
| 12/05/2012 | CN102296236B Wear resistant steel ball and segment specially used in mines |
| 12/05/2012 | CN102251081B Quenching device for tooth surface of chain wheel |
| 12/05/2012 | CN102134686B Low-alloy wheel steel for railway wagons and wheel preparation method thereof |
| 12/05/2012 | CN102080151B Pit type Nb3Sn coil thermal treatment furnace system under conditions of vacuum and aeration protection |
| 12/05/2012 | CN102031358B Thermal treatment method for castings |
| 12/05/2012 | CN102021302B Thermal treatment method of high-carbon steel railway wheel |
| 12/05/2012 | CN101637861B Method for processing impact cylinder of pneumatic tool |
| 12/04/2012 | US8322253 Method of manufacturing a utility knife blade having an induction hardened cutting edge |
| 11/29/2012 | WO2012161635A1 Method for heat treating a steel component |
| 11/29/2012 | WO2012161248A1 Hot-rolled steel sheet and process for producing same |
| 11/29/2012 | WO2012161241A1 Cold-rolled steel sheet and method for producing same |
| 11/29/2012 | WO2012161207A1 Reheating method for rail weld parts |
| 11/29/2012 | WO2012160903A1 Drive plate and manufacturing method thereof |
| 11/29/2012 | WO2012160697A1 Method of forming header extension, and vehicle structure |
| 11/29/2012 | WO2012159955A1 Process and apparatus for preparing steel stock before hot rolling |
| 11/29/2012 | WO2012159733A1 Annealing device and method for annealing plates of metal |
| 11/29/2012 | CA2837052A1 Hot-rolled steel sheet and method for producing same |
| 11/29/2012 | CA2837049A1 Cold-rolled steel sheet and method for producing same |
| 11/29/2012 | CA2836260A1 Method of reheating rail weld zone |
| 11/28/2012 | EP2527484A1 High-strength hot-dip galvanized steel sheet with excellent processability and spot weldability and process for producing same |
| 11/28/2012 | EP2527483A1 High-strength hot-dip galvanized steel sheet reduced in burr formation and process for producing same |
| 11/28/2012 | EP2527482A1 High-strength hot-dip galvanized steel sheet with excellent material stability and processability and process for producing same |
| 11/28/2012 | CN202558899U Novel billet heating furnace |
| 11/28/2012 | CN202558898U Lead pan water cooling device |
| 11/28/2012 | CN202558897U Mouth sealing device for continuous heating furnace |
| 11/28/2012 | CN202558896U Split type steel strip heating furnace without muffle tube |
| 11/28/2012 | CN202558895U Automatic discharge device of tubing heat treatment furnace |
| 11/28/2012 | CN202558894U Furnace door insulation sealing device of pipe heat treatment furnace |
| 11/28/2012 | CN202558892U Inner hole quenching sensor for induction quenching equipment |
| 11/28/2012 | CN202558891U Multi-azimuth injection rapid cooling device of large hot forging shaft part |
| 11/28/2012 | CN202558888U Quenching machine special for guide plate |
| 11/28/2012 | CN202555729U Forming tool clamp of arc-shaped spring |
| 11/28/2012 | CN102803543A High-strength molten zinc-plated steel sheet and process for production thereof |
| 11/28/2012 | CN102803541A Hot-rolled steel sheet having excellent cold working properties and hardening properties, and method for producing same |
| 11/28/2012 | CN102803540A High-strength Hot-dip Galvannealed Steel Shhet With Excellent Workability And Fatigue Characteristics And Process For Production Thereof |
| 11/28/2012 | CN102803536A Pearlite-based High-carbon Steel Rail Having Excellent Ductility And Process For Production Thereof |
| 11/28/2012 | CN102803522A Method for producing harmonic drive gear base material |
| 11/28/2012 | CN102802973A Method for producing vehicle stabilizer |
| 11/28/2012 | CN102796965A Rolling mill support roll steel and heat treatment technology thereof |
| 11/28/2012 | CN102796958A Alloy designed steel mechanical blade for preventing network carbide on CrWMn steel from being separated out |
| 11/28/2012 | CN102796863A Method used for local postweld heat treatment of large-size steel casting after rewelding |
| 11/28/2012 | CN102796862A Special thermal treatment production line for precise stitches applied to cardiac surgery |
| 11/28/2012 | CN102796861A Pressing die shaping and constant-pressure oil spray quenching process of circular saw blade substrate |
| 11/28/2012 | CN102796860A Technique for thermal-treatment processing of high speed steel tools |
| 11/28/2012 | CN102796859A Process for performing heat treatment on heavy thick plate welding structural member |
| 11/28/2012 | CN102796854A Bright annealing furnace for stainless steel bands |
| 11/28/2012 | CN102794301A Manufacture method of cold-rolled electrolytic tin substrate |
| 11/28/2012 | CN102382954B On-line continuous quenching device for skew-rolled ball-milled steel balls |
| 11/28/2012 | CN102220458B Intermediate-frequency induction quenching method for spline shaft fork |
| 11/28/2012 | CN102051566B Process for annealing cold rolled pure titanium and titanium alloy roll by continuous bright annealing furnace |
| 11/28/2012 | CN101980581B Device for directly electrifying and heating steel belt by using molten metal electrode |
| 11/28/2012 | CN101906529B Method for controlling and treating bottom roller dross of carbon sleeve furnace |
| 11/28/2012 | CN101838727B Heat treatment method for carbide blade base |
| 11/28/2012 | CN101541991B Unidirectionally grain oriented electromagnetic steel sheet having excellent film adhesion, and method for manufacturing the same |