| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/24/2013 | CN103060746A Method for continuously preparing high-silicon steel thin strip by natural sedimentation and device for continuously preparing high-silicon steel thin strip |
| 04/24/2013 | CN103060695A Production method of alloy seamless steel tubes for petroleum refining |
| 04/24/2013 | CN103060667A Super-hard middle-chrome cast grinding ball and production process thereof |
| 04/24/2013 | CN103060666A Casting method of alloy body of spherical check valve |
| 04/24/2013 | CN103060658A Preparation process for sintering 1kg-5.5kg of neodymium iron boron permanent magnetic material |
| 04/24/2013 | CN103060545A Multi-path high-energy ultrasonic field treatment device for regulating and controlling welding residual stress |
| 04/24/2013 | CN103060544A Long-rod type workpiece heat treatment line |
| 04/24/2013 | CN103060539A Method for controlling decarburization of fine heat-treated steel wire |
| 04/24/2013 | CN103060535A Automobile torsion rod spring rolling straightening quenching equipment |
| 04/24/2013 | CN103060531A Annealing high-temperature furnace |
| 04/24/2013 | CN103060528A Laser compound strengthening technology |
| 04/24/2013 | CN103056176A Method and device for blowing gas on running strip |
| 04/24/2013 | CN102605155B Pipe fitting processing process for liquefied natural gas deep cooling device |
| 04/24/2013 | CN102409259B Alloy steel for braking caliper and preparation method thereof |
| 04/24/2013 | CN102373328B Load balance control method of motor of furnace roller at uniform heating section of heating furnace of continuous annealing unit |
| 04/24/2013 | CN102284780B High-frequency resistance welding (HFW) steel pipe welding production process for low-temperature-resistant station |
| 04/24/2013 | CN102199732B Boron containing steel plate for heat treatment and manufacturing method thereof |
| 04/24/2013 | CN102191444B Stress-relaxation shaping method for complicated irregular-shaped integrated wallboard |
| 04/24/2013 | CN102080148B Quenching method of hydraulic torque converter piston |
| 04/23/2013 | US8425690 Carbonitriding steel at a temperature exceeding A1 transformation temperature; cooling to below A1 transformation temperature; reheating to a temperature for quenching that is not lower than the A1 transformation temperature but lower than the carbonitriding temperature; and quenching |
| 04/18/2013 | WO2013055652A1 Method for inhibiting corrosion under insulation on the exterior of a structure |
| 04/18/2013 | WO2013054464A1 High-strength cold-rolled steel plate having excellent deep drawability and in-coil material uniformity, and method for manufacturing same |
| 04/18/2013 | WO2013053687A1 Securing device, baseplate, system and method for manufacturing a system |
| 04/18/2013 | US20130093140 Soft Skin Metal Seal and Technique of Manufacture |
| 04/18/2013 | US20130092675 Method and apparatus for electrically heating spring |
| 04/17/2013 | EP2581465A1 Hot-stamp-molded article, process for production of steel sheet for hot stamping, and process for production of hot-stamp-molded article |
| 04/17/2013 | EP2580360A1 Annealing installation with m-shaped strip treatment tunnel |
| 04/17/2013 | EP2580359A1 Method of producing an austenitic steel |
| 04/17/2013 | EP2580358A1 Method for producing a hot-formed and heat-treated steel component that is coated with a metal anti-corrosion coating from a sheet steel product |
| 04/17/2013 | CN202885514U Roller-bottom type heat screen of heating furnace |
| 04/17/2013 | CN202881364U Grate sealing box |
| 04/17/2013 | CN202881352U Quick cooling device for solid solution treatment of aluminum alloy medium plate |
| 04/17/2013 | CN202881344U Strip steel coil stacking frame of bell type annealing furnace |
| 04/17/2013 | CN202881343U Heater for copper wire annealing machine |
| 04/17/2013 | CN202881342U Water spraying device with cooling water |
| 04/17/2013 | CN202881341U Annealing control system for intermediate wire drawing machine |
| 04/17/2013 | CN202881340U Ultra-soft copper strap wire annealing machine |
| 04/17/2013 | CN202881339U Smoke discharging system of horizontal type annealing furnace |
| 04/17/2013 | CN202881338U Drawer-type heat-insulating and energy-saving annealing furnace |
| 04/17/2013 | CN202881337U Sliding rail type ship back baking machine |
| 04/17/2013 | CN202881336U Steel ball cyclic cooling device for fan |
| 04/17/2013 | CN202881335U Heat treatment material rack for automobile aluminum alloy wheel hub |
| 04/17/2013 | CN202881334U Hanger with adjustable lever ratio |
| 04/17/2013 | CN202881333U Knitting needle salt bath tempering device |
| 04/17/2013 | CN202881332U Special heat treatment production line for precision suture needles in cardiac surgery |
| 04/17/2013 | CN202881331U Thermal treatment cooling device for seamless steel pipes |
| 04/17/2013 | CN202881330U Fixture for producing UOE straight slit steel pipe expanding pyramid |
| 04/17/2013 | CN202881327U Spray cooling quenching device of premixed steel rail |
| 04/17/2013 | CN202881325U Vertical high-frequency quenching machine |
| 04/17/2013 | CN202881323U Thermal treatment equipment |
| 04/17/2013 | CN202881322U Continuous annealing cooling device for copper wires |
| 04/17/2013 | CN202881321U Annealing furnace for producing large seal heads |
| 04/17/2013 | CN202881319U Hung muffle tube for vertical bright annealing furnace |
| 04/17/2013 | CN202881317U Product conveying device during quenching process on horizontal high-frequency quenching machine |
| 04/17/2013 | CN202881314U Online induction-heating shallow hardening device after processing external threads at tube end |
| 04/17/2013 | CN202881310U Thermal treatment device for alloy material |
| 04/17/2013 | CN202878150U Column type workpiece fixture without center hole |
| 04/17/2013 | CN103052732A Sheet metal moulding for motor vehicles and process for producing a sheet metal moulding for motor vehicles |
| 04/17/2013 | CN103052723A Orientated electromagnetic steel sheet and manufacturing method for same |
| 04/17/2013 | CN103045977A Annealing device for preventing copper wires from being oxidized |
| 04/17/2013 | CN103045972A Quenching process of aluminum alloy tubular bus |
| 04/17/2013 | CN103045949A Large marine high strength corrosion-resistant stainless-steel exhaust valve seat with internal orifice diameter of larger than 220 mm |
| 04/17/2013 | CN103045847A Monitoring method of heating time and heating temperature of heating furnace |
| 04/17/2013 | CN103045843A Superheated water pressure stabilizing system for continuous annealing furnace |
| 04/17/2013 | CN103045842A Heat treatment equipment for welding seam of numerical control steel weldment |
| 04/17/2013 | CN103045841A Novel bearing ring quenching machine |
| 04/17/2013 | CN103045840A High-pressure crushing thermal processing method for steel ball special for bearing of 5MW (Megawatt) large wind turbine unit |
| 04/17/2013 | CN103045839A Quenching-tempering sensing rapid heating equipment and technology of heat treatment production line of bimetal strip sawblade |
| 04/17/2013 | CN103045838A Quenching-tempering rapid cooling equipment and technology of heat treatment production line of bimetal strip sawblade |
| 04/17/2013 | CN103045825A Gear quenching device |
| 04/17/2013 | CN103045815A Fuel gas heating control method |
| 04/17/2013 | CN103045812A Automatic high-frequency quenching device for double end faces of gear hub |
| 04/17/2013 | CN103045811A Barstock rotating induction quenching device |
| 04/17/2013 | CN103042191A Die material and processing method |
| 04/17/2013 | CN103042144A Method for forging automobile engine crankshaft |
| 04/17/2013 | CN102618716B High-temperature furnace roller for CSP (Compact Strip Production) heating furnace |
| 04/17/2013 | CN102424910B Combustion nozzle for whole hydrogen bell-type annealing furnace, and waste hydrogen introduction and combustion method adopting the same |
| 04/17/2013 | CN102321794B Inner gear ring roller path intermediate frequency hardening mould |
| 04/17/2013 | CN102268522B Steel rail quenching electric induction heating coil follow-up apparatus |
| 04/17/2013 | CN102216475B Concrete slurry transporting pipe for concrete pump car |
| 04/17/2013 | CN101914668B Supporting device for thermal treatment of U-shaped pipe |
| 04/17/2013 | CN101845541B Resistor heating gradient thermal treatment device for double alloy disc kind part |
| 04/17/2013 | CN101410542B High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof |
| 04/16/2013 | US8420555 Manufacturing method for semiconductor device and manufacturing apparatus for semiconductor device |
| 04/16/2013 | US8419869 Method of producing classes of non-stainless steels with high strength and high ductility |
| 04/16/2013 | US8419868 Wear presistant protective coatings; corrosion resistance |
| 04/16/2013 | DE202013101271U1 Innendurchmesser - Härtevorrichtung Inner diameter - hardening device |
| 04/11/2013 | WO2013051870A2 Hearth roll |
| 04/11/2013 | WO2013051714A1 Steel plate and method for producing same |
| 04/11/2013 | WO2013051513A1 Steel wire for bolt, bolt, and manufacturing processes therefor |
| 04/11/2013 | WO2013051238A1 High-strength steel sheet and method for manufacturing same |
| 04/11/2013 | WO2013051160A1 High-strength hot-dipped galvanized steel sheet having excellent formability and impact resistance, and method for producing same |
| 04/11/2013 | WO2013050936A1 A process to improve fatigue strength of micro alloy steels, forged parts made from the process and an apparatus to execute the process |
| 04/11/2013 | WO2013050863A1 Apparatus for and method of post weld laser release of gas build up in a gmaw weld using a laser beam |
| 04/11/2013 | US20130089282 Sliding member and manufacturing method thereof |
| 04/10/2013 | EP2578718A1 High-strength molten-zinc-plated steel sheet having excellent bendability and weldability, and process for production thereof |
| 04/10/2013 | EP2578716A1 Steel rail and production method thereof |
| 04/10/2013 | EP2578714A1 Hot-rolled high-strength steel sheet and process for production thereof |
| 04/10/2013 | EP2578713A1 Seamless steel pipe for line pipe and method for producing the same |
| 04/10/2013 | EP2578712A1 Electric-resistance-welded steel pipe with excellent torsion fatigue resistance and process for producing same |