| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/03/2014 | CA2877610A1 High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges, and method for producing same |
| 01/01/2014 | EP2679701A1 Nitrided steel member and method for producing same |
| 01/01/2014 | EP2679699A2 High strength cold-rolled steel sheet and automobile components of steel having excellent properties in coating film adhesion, workability, and hydrogen embrittlement resistivity |
| 01/01/2014 | EP2679692A1 Method for manufacturing a press hardened formed component made of sheet steel |
| 01/01/2014 | CN203373406U Forced convection device for roller-hearth type furnace |
| 01/01/2014 | CN203373405U Push-rod furnace for casting blank |
| 01/01/2014 | CN203373404U Cooling water system of vertical type bright annealing furnace |
| 01/01/2014 | CN203373403U Stainless steel wire annealing line with cutting oil oiling tank |
| 01/01/2014 | CN203373402U Automatic induction heating follow-up device for longitudinal welded pipe |
| 01/01/2014 | CN203373401U Novel steel shot quenching furnace |
| 01/01/2014 | CN203373400U Razor blade freezer |
| 01/01/2014 | CN203373399U Fixture for thermally treating cast steel brake disc |
| 01/01/2014 | CN203373398U Thermal-insulation heating shed of plate billets |
| 01/01/2014 | CN203373395U Quenching inductor for spur gear |
| 01/01/2014 | CN203373392U Stainless steel wire annealing line with coating water tank |
| 01/01/2014 | CN203373391U Coating water tank for stainless steel wire annealing line |
| 01/01/2014 | CN103492739A 滚动轴承 Rolling |
| 01/01/2014 | CN103492613A Method for manufacturing machine part |
| 01/01/2014 | CN103492605A Hot stamp-molded high-strength component having excellent corrosion resistance after coating, and method for manufacturing same |
| 01/01/2014 | CN103492600A Steel sheet for hot stamping members and method for producing same |
| 01/01/2014 | CN103492599A High-strength cold-rolled steel sheet with highly even stretchabilty and excellent hole expansibility, and process for producing same |
| 01/01/2014 | CN103485220A Manufacturing method of high-strength wire rope for traction structure |
| 01/01/2014 | CN103484804A Thermal treatment method for hydrogen removing of titanium wires |
| 01/01/2014 | CN103484791A Method for remanufacturing scrapped rollers to be qualified rollers |
| 01/01/2014 | CN103484658A Water quenching process revising method of shaft under different configuration densities |
| 01/01/2014 | CN103484652A Method and device for controlling variable-step loading of heating furnace |
| 01/01/2014 | CN103484651A Automatic armor steel positioning device for heating furnace |
| 01/01/2014 | CN103484650A On-line slagging method and device of continuous heating furnace |
| 01/01/2014 | CN103484649A GH4700 alloy ingot homogenizing treatment method |
| 01/01/2014 | CN103484648A Heat treatment device of rod-like material |
| 01/01/2014 | CN103484647A Production process of low-magnetic stainless steel band |
| 01/01/2014 | CN103484646A Online simulation control system and method for temperature and structure in roller spray-quenching process |
| 01/01/2014 | CN103484645A Error-proofing mechanism for heat-treated end of motor shaft |
| 01/01/2014 | CN103484644A Heat treatment device for torsion bar of car transmission system |
| 01/01/2014 | CN103484633A Thermal treatment technique of safety wear-resistant food processing tool material |
| 01/01/2014 | CN103484632A Fully-automatic multi-station rotary type die-quenching press machine for ferrule type part |
| 01/01/2014 | CN103484631A Long and thin thick-wall small-caliber gun barrel jet quenching equipment and jet quenching process |
| 01/01/2014 | CN103484630A Device for preventing cracking of water quenching end surfaces of shaft alloy steel part |
| 01/01/2014 | CN103484605A Method for preventing cracking of water quenching end faces of shaft alloy steel parts |
| 01/01/2014 | CN103028912B Steel forging manufacturing method for valve seat of deep-sea oil production equipment |
| 01/01/2014 | CN102899478B Method for removing matter adhered to furnace roller of annealing furnace |
| 01/01/2014 | CN102816971B Ultra high strength anchor pile with impact energy more than 100 J and manufacturing process thereof |
| 01/01/2014 | CN102766749B Process for quenching ball track of slewing bearing |
| 01/01/2014 | CN102534137B Method for Far-infrared local heating correction for half-gear-ring opening deformation by heat treatment method |
| 01/01/2014 | CN102517435B Furnace pressure control device for continuous annealing furnace |
| 01/01/2014 | CN102471847B Spiral steel pipe having ribs formed on inner surface thereof, and process for production thereof |
| 01/01/2014 | CN102033523B Strip steel quality forecasting, furnace condition early-warning and fault diagnosis method based on partial least square |
| 12/27/2013 | WO2013191131A1 Steel for oil well pipe, and method for producing same |
| 12/27/2013 | WO2013190834A1 High-strength stainless steel seamless pipe having excellent corrosion resistance for oil well, and method for manufacturing same |
| 12/27/2013 | WO2013189597A1 Method and device for producing a press-hardened metal component |
| 12/27/2013 | WO2013189583A1 Hydraulic press |
| 12/25/2013 | EP2677055A1 High-purity ferritic stainless steel sheet having excellent oxidation resistance and high-temperature strength, and method for producing same |
| 12/25/2013 | EP2675928A1 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/25/2013 | EP2309014B1 Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor |
| 12/25/2013 | EP2182082B1 Method and device for tempering a steel sheet body |
| 12/25/2013 | CN203360578U Carburization-preventing protective sleeve for needle valve body made of low-carbon steel |
| 12/25/2013 | CN203360543U Mean-temperature aluminum foil and aluminum plate annealing furnace |
| 12/25/2013 | CN203360526U Heat-treatment furnace for solder softening |
| 12/25/2013 | CN203360525U Steel tapping system provided with diffuse reflection optoelectronic switch |
| 12/25/2013 | CN203360524U Roll steel heating furnace |
| 12/25/2013 | CN203360523U Furnace body tube of pusher type heating furnace |
| 12/25/2013 | CN203360522U Flue gas waste heat recovery device of bell type annealing furnace |
| 12/25/2013 | CN203360521U Annealing furnace for processing copper wire |
| 12/25/2013 | CN203360520U 气垫式冷却喷嘴装置 Air cooling nozzle device |
| 12/25/2013 | CN203360519U Muffle tube replacement device for vertical bright annealing furnace |
| 12/25/2013 | CN203360518U Double-barrelled continuous annealing furnace for wiredrawing production of titanium alloy |
| 12/25/2013 | CN203360517U Self-adaptive guide mechanism for copper wire annealing softening device |
| 12/25/2013 | CN203360516U Muffle tube replacement system for vertical bright annealing furnace |
| 12/25/2013 | CN203360515U Cemented steel cylindrical hole bearing ring quenching assembling die |
| 12/25/2013 | CN203360514U Dual-shaft medium-frequency quenching device |
| 12/25/2013 | CN203360513U Full-automatic disk saw blade feeding device on quenching line |
| 12/25/2013 | CN203360512U Quenching equipment for hardening inner wall of steel pipe |
| 12/25/2013 | CN203360511U Universal ball support body |
| 12/25/2013 | CN203360510U Cooling water circulation system |
| 12/25/2013 | CN203360509U Double-layered cooling water supply copper bar |
| 12/25/2013 | CN203360508U Roller table used for steel pipe reheating furnace |
| 12/25/2013 | CN203360507U Automatic discharging device for diaphragm spring quenching line |
| 12/25/2013 | CN203360506U Heat-treatment clamp for wavy springs |
| 12/25/2013 | CN203360505U Heat treatment fixture for components with holes |
| 12/25/2013 | CN203360504U Temperature cascade layered weld tempering device |
| 12/25/2013 | CN203360502U Slow-cooling and heat-insulating device for steel plate pile |
| 12/25/2013 | CN203360501U Inductive head for quenching inner wall of steel pipe |
| 12/25/2013 | CN203360500U Induction hardening clamp for component part |
| 12/25/2013 | CN203360499U Four-hole-site heating furnace device |
| 12/25/2013 | CN203360497U Furnace body dismounting system for vertical bright annealing furnace |
| 12/25/2013 | CN203360496U Gas supply device for single crystal copper bonding wire annealing machines |
| 12/25/2013 | CN203360495U Quenching equipment for hardening inner wall of bent steel pipe |
| 12/25/2013 | CN203356863U Metal tube butt-joint circular seam heating device |
| 12/25/2013 | CN103476960A Cold rolled steel sheet and production method therefor |
| 12/25/2013 | CN103476958A Stainless-steel sheet for metal mask |
| 12/25/2013 | CN103476955A A steel sheet suitable for enamelling and method for producing such a sheet |
| 12/25/2013 | CN103470634A Linear bearing retainer |
| 12/25/2013 | CN103469134A Continuous annealing apparatus and annealing method of titanium and titanium alloy coiled wire material |
| 12/25/2013 | CN103469109A Roughing roll made of graphitizable steel material and manufacturing method thereof |
| 12/25/2013 | CN103469107A A517Gr.B large pressure steel plate with low cost and high toughness and production method thereof |
| 12/25/2013 | CN103469091A Large size rolled steel integral wheel used for railway vehicle and production method thereof |
| 12/25/2013 | CN103468924A Heating furnace steel blank discharge protection device |
| 12/25/2013 | CN103468923A Continuous annealing production line for metal wire rods |
| 12/25/2013 | CN103468922A Control method for preventing thermal buckling of annealing furnace strip steel |
| 12/25/2013 | CN103468921A Inlet and outlet sealing device for annealing furnace |