| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/20/2013 | CN103397162A Method and device for quenching cooling of steel plate via liquid immersion in inclined manner |
| 11/20/2013 | CN103397161A Gasket assembly and method for heat treatment on gear hub |
| 11/20/2013 | CN103397160A Full-automatic quenching line feeding device for disk saw web |
| 11/20/2013 | CN103397159A Production process of slitting cutting disc |
| 11/20/2013 | CN103397158A Horizontal high-frequency annealing device of piston cylinder |
| 11/20/2013 | CN103397157A Quenching furnace for single energy storage steel cylinder |
| 11/20/2013 | CN103397151A Special quenching agent for large shaft and preparation method of quenching agent |
| 11/20/2013 | CN103397150A Environment-friendly water soluble hardening agent and preparation method thereof |
| 11/20/2013 | CN103397147A Surface processing method for washing machine tripod shaft |
| 11/20/2013 | CN102888506B Method for controlling position of plate blank at extraction end of heating furnace |
| 11/20/2013 | CN102554402B Welding and heat treatment processes of large-diameter and thick-wall nuclear process pipes |
| 11/20/2013 | CN102421538B Martensitic wire with thin polymer coating |
| 11/20/2013 | CN102149841B High-strength steel sheet and method for production thereof |
| 11/20/2013 | CN102105603B Exhaust poppet valve and solution treatment method of poppet valve |
| 11/20/2013 | CN102015148B Manufacturing method for a drive belt ring component |
| 11/19/2013 | US8585835 High-strength steel machined product and method for manufacturing the same, and method for manufacturing diesel engine fuel injection pipe and common rail |
| 11/19/2013 | CA2772026C High-strength galvanized steel sheet and method of manufacturing the same |
| 11/19/2013 | CA2759256C High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets |
| 11/19/2013 | CA2756855C Method of cooling rail weld zone, device for cooling rail weld zone, and rail weld joint |
| 11/19/2013 | CA2693489C High-strength steel sheet |
| 11/19/2013 | CA2690403C Process of drill bit manufacture |
| 11/14/2013 | WO2013167580A1 Low temperature hardenable steels with excellent machinability |
| 11/14/2013 | US20130302109 Screw made of low-alloy carbon steel, and method for producing such a screw |
| 11/14/2013 | US20130301969 Method for producing bearing ring, bearing ring, and rolling bearing |
| 11/14/2013 | US20130300040 Magneto-thermal processing apparatus and methods |
| 11/13/2013 | EP2662468A1 Steel wire material and method for producing same |
| 11/13/2013 | EP2662462A1 Low temperature hardenable steels with excellent machinability |
| 11/13/2013 | EP2661601A2 Dual hardness steel article and method of making |
| 11/13/2013 | CN203284435U Suspension type charging pusher device |
| 11/13/2013 | CN203284434U Heating furnace |
| 11/13/2013 | CN203284433U Cover type annealing furnace convection board |
| 11/13/2013 | CN203284432U Temperature regulating and quenching device of steel balls |
| 11/13/2013 | CN203284431U Sleeve and pipe parts heat treatment tool |
| 11/13/2013 | CN203284427U Track roller quenching sensor |
| 11/13/2013 | CN203284424U Annealing furnace mouth sealing device |
| 11/13/2013 | CN103392014A Method for producing hardened components with regions of different hardness and/or ductility |
| 11/13/2013 | CN103388072A Energy-saving inclined-bottom heating furnace |
| 11/13/2013 | CN103388071A Hot rolling heating furnace and local strengthening heating control method thereof |
| 11/13/2013 | CN103388070A Continuous annealing and air-blow cooling device for aluminum alloy wire |
| 11/13/2013 | CN103388069A Dust collector on wire rod annealing machine |
| 11/13/2013 | CN103388068A Thermal treatment device for zinc wires |
| 11/13/2013 | CN103388067A Steel coil heating device |
| 11/13/2013 | CN103388066A Control method of installation precision of centralized transmission roller table of oriented silicon steel annealing furnace |
| 11/13/2013 | CN103388065A Large-diameter support roller integral induction heating system and control method thereof |
| 11/13/2013 | CN103388060A Device for preventing deformation of annealed steel coil |
| 11/13/2013 | CN103388059A Thermal treatment method for low alloy steel |
| 11/13/2013 | CN103388057A 水传导激光淬火工艺 Laser quenching water conduction |
| 11/13/2013 | CN102943170B Adjustable wind shielding plate for austenite furnace mouth |
| 11/13/2013 | CN102943153B Thermomagnetic treatment device and method for magneto-resistive elements of spin valves |
| 11/13/2013 | CN102618712B Heat treatment method of compact-type flat link chains |
| 11/13/2013 | CN102492807B Suspension muffle for vertical bright annealing furnace |
| 11/13/2013 | CN102482740B High-strength Molded Article And Process For Production Thereof |
| 11/13/2013 | CN102105604B Manufacturing method for machine parts having superior rolling-contact fatigue life |
| 11/12/2013 | US8578746 Ring supporting device |
| 11/12/2013 | CA2764663C High-strength galvanized steel sheet and method for manufacturing the same |
| 11/07/2013 | WO2013166429A1 Automotive components formed of sheet metal coated with a non-metallic coating |
| 11/06/2013 | EP2659023A1 Holder for boring head coating |
| 11/06/2013 | CN203274527U High-temperature exhaust gas waste heat utilizing system of continuous casting and rolling machine set pit furnace |
| 11/06/2013 | CN203270002U Deflection-preventing high-efficiency step bottom type steel rolling heating furnace |
| 11/06/2013 | CN203270001U Steel billet positioning and buffering device at entrance of steel rolling heating furnace |
| 11/06/2013 | CN203270000U Inner cover waste gas discharging device of bell-type furnace |
| 11/06/2013 | CN203269999U Automatic protective gas supplying device of annular cover type annealing furnace |
| 11/06/2013 | CN203269998U Radiation, heat exchange and slow cooling device with waste heat utilization |
| 11/06/2013 | CN203269997U Non-oxidation open-fire heating furnace |
| 11/06/2013 | CN203269996U Carbon sleeve roller in heat treatment furnace |
| 11/06/2013 | CN203269995U Furnace support roll of galvanized annealing furnace |
| 11/06/2013 | CN203269994U Cooling water box for packing belt |
| 11/06/2013 | CN203269993U Air injection cooling device |
| 11/06/2013 | CN203269992U Saw blade quenching machine |
| 11/06/2013 | CN203269991U Roller bed for steel tube reheating furnace |
| 11/06/2013 | CN203269990U Seamless steel pipe normalizing furnace adopting flue gas cooling |
| 11/06/2013 | CN203269989U 回火炉链运机 Transported back to the stove chain machine |
| 11/06/2013 | CN203269988U Ellipsoidal head heat treatment deformation preventing fixture |
| 11/06/2013 | CN203269987U System for recycling shielding gases for vacuumizing bell bright annealing furnaces |
| 11/06/2013 | CN203269986U Charging device of stainless-steel tableware heat treatment furnace |
| 11/06/2013 | CN203269984U Heavy rail head quenching spray device |
| 11/06/2013 | CN203269983U Adjusting device for jetting rack of saw-disc dynamic-quenching machine |
| 11/06/2013 | CN203269982U Electric control system of mould quenching oil tank |
| 11/06/2013 | CN203269981U Swaying mechanism and automobile plate spring quenching machine |
| 11/06/2013 | CN203269980U Continuous type shaft workpiece quenching furnace |
| 11/06/2013 | CN203269979U Movable type fuel gas heat-preserving furnace |
| 11/06/2013 | CN103384726A Method for producing hardened structural elements |
| 11/06/2013 | CN103382522A Method used for controlling roller rotary spray quenching technology |
| 11/06/2013 | CN103382521A Billet feeding method for heating furnace |
| 11/06/2013 | CN103382520A Manufacturing method of copper rods and copper plate preheating furnace thereof |
| 11/06/2013 | CN103382519A Charging basket for thermal treatment of synchronizer gear hub |
| 11/06/2013 | CN103382518A Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening |
| 11/06/2013 | CN103382517A High-frequency quenching tool for gusset plates of gear shifting connecting rod of automobile transmission and working method thereof |
| 11/06/2013 | CN103381425A Method for eliminating rolling marks at head or bottom of steel rail |
| 11/06/2013 | CN102943166B Automatic oil-control device after quenching of bowl-shaped workpiece |
| 11/06/2013 | CN102828010B Safety relief method of tar of bell-type furnace |
| 11/06/2013 | CN102776345B Method of controlling accretion in furnace carbon jacket roll during continuous annealing of steel strips |
| 11/06/2013 | CN102676778B Strengthening and toughening thermal treatment method for hot-forging die of wearing plate |
| 11/06/2013 | CN102643972B Control method for carburizing, quenching and deformation of thin wheel disk type large-diameter cylindrical gear |
| 11/06/2013 | CN102639724B Conveyance rack, method for retaining metal ring |
| 11/06/2013 | CN102597276B Gas jet cooling device for continuous annealing furnace |
| 11/06/2013 | CN102560066B Heat treatment method of high-silicon steel plate strip material |
| 11/06/2013 | CN102560037B High-strength steel thin-wall piece vacuum thermal treatment process |
| 11/06/2013 | CN102501005B Manufacturing method of large cold-rolled reel block |
| 11/06/2013 | CN102492828B Steel compression device and usage thereof |