| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 09/25/2013 | CN103320733A Copper wire heavy and medium drawing annealing apparatus |
| 09/25/2013 | CN103320732A Copper wire heavy-drawing AC annealing apparatus |
| 09/25/2013 | CN103320695A Large-diameter wear-resistant steel ball and production process thereof |
| 09/25/2013 | CN103320604A Rolling preheating process for controlling sizes of titanium inclusions in hypereutectoid tire cord steel wire rod |
| 09/25/2013 | CN103320603A Furnace baking method of bright annealing furnace |
| 09/25/2013 | CN103320602A Method for removing foreign matters on working rolls in continuous annealing furnace |
| 09/25/2013 | CN103320601A Surface quenching method of hot straightening roll |
| 09/25/2013 | CN103320600A Large-power locomotive axle and heat treatment method thereof |
| 09/25/2013 | CN103320599A Saw blade matrix pressure quenching device and quenching process thereof |
| 09/25/2013 | CN103320598A Heating device applied to blade production |
| 09/25/2013 | CN103320597A Method for refining coarse grain of 10Cr9Mo1VNbN steel pipe and forged piece |
| 09/25/2013 | CN103320584A Low-carbon alloy structural steel heat treatment method |
| 09/25/2013 | CN103320582A Device and method for replacing vertical bright annealing furnace muffle tube |
| 09/25/2013 | CN103320579A Aircraft turbine blade laser shock method and device |
| 09/25/2013 | CN103317302A Kitchen knife blade manufacturing process |
| 09/25/2013 | CN103317115A Production method of high-speed steel composite roll |
| 09/25/2013 | CN103317067A Manufacturing method for steel wire braiding screen mesh |
| 09/25/2013 | CN102876874B Super high-speed quenching device for steel tube |
| 09/25/2013 | CN102776354B Pulley conductive caster air cooling structure of copper wire annealing device |
| 09/25/2013 | CN102776349B Quenching device and quenching process of crankshaft connecting rod journal |
| 09/25/2013 | CN102776348B Quenching device and quenching process of crankshaft keyway of universal power machine |
| 09/25/2013 | CN102676917B Preparation method of cold-rolled sheet for flux-cored wire |
| 09/25/2013 | CN102560053B High and medium-temperature heat treatment deformation preventing device for large turbine blades |
| 09/25/2013 | CN102534166B Preparation method of J55-grade steel ERW (electric resistance welding) expansion pipe with high diameter expansion performance |
| 09/25/2013 | CN102527778B Quenching and straightening machine for bar billets |
| 09/25/2013 | CN102492810B Automatic loading device for quenching machine |
| 09/25/2013 | CN102459678B Carburized component and manufacturing method therefor |
| 09/25/2013 | CN102453793B Annealing isolation agent used for preparing mirror surface-oriented silicon steel with excellent magnetic property |
| 09/25/2013 | CN102433422B Model correcting method for high-temperature alloy thin-wall casting |
| 09/25/2013 | CN102383073B On-line solid solution furnace |
| 09/25/2013 | CN102350622B Production process of straight tooth gear of oil pump |
| 09/25/2013 | CN102312069B Thermal treatment furnace |
| 09/25/2013 | CN102227513B Hot-dip galvanized steel sheet and manufacturing method thereof |
| 09/25/2013 | CN101921902B Induction quenching method of shifting guide shaft of automatic transmission |
| 09/24/2013 | CA2714218C Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained |
| 09/19/2013 | WO2013137454A1 Hot-press molded article and method for producing same |
| 09/19/2013 | WO2013137453A1 Hot-press molded article and method for producing same |
| 09/19/2013 | WO2013137376A1 Heat treating oil composition |
| 09/19/2013 | WO2013137308A1 Method for strengthening steel plate member |
| 09/19/2013 | WO2013137042A1 Device for cooling and method for cooling hot-rolled coil |
| 09/19/2013 | WO2013137030A1 Friction-stirring processing method for oxide-dispersion-strengthened platinum |
| 09/19/2013 | WO2013136772A1 Wire rod softening device |
| 09/19/2013 | WO2013136736A1 Ferritic stainless steel |
| 09/19/2013 | US20130240506 Induction hardening system and method |
| 09/19/2013 | US20130240093 Steel for high-strength spring, method for producing same, and high-strength spring |
| 09/19/2013 | DE102012106713B3 Cooling device for induction-hardening device for curing stabilizer bar used in motor car, has deterrence shower that is pivotally mounted so that deterrence shower is oriented in optimum position in dependence of cooling of bar |
| 09/19/2013 | DE102012102194A1 Furnace useful for thermal treatment of metallic components, comprises heat source, preferably radiant heat source provided in first temperature zone such that first portion of component is heated and/or maintained at specific temperature |
| 09/19/2013 | DE102012102193A1 Furnace installation for thermal treatment of metallic circuit board, used in motor car, has circuit board whose regions are respectively tempered at moderate temperature by radiant heat sources and are conductively heated |
| 09/18/2013 | EP2639328A1 High-strength spring steel, method for producing high-strength spring, and high-strength spring |
| 09/18/2013 | EP2639325A1 Ferritic stainless steel with excellent oxidation resistance |
| 09/18/2013 | CN203203405U Heating furnace stand column with scaling resistance function |
| 09/18/2013 | CN203200347U Stainless steel wire machining apparatus |
| 09/18/2013 | CN203200318U Cold rolled titanium tape inert gas protective cover type annealing furnace |
| 09/18/2013 | CN203200317U Single-tube double-line annealing furnace |
| 09/18/2013 | CN203200316U Horizontal annealing device |
| 09/18/2013 | CN203200315U Steel belt quenching device |
| 09/18/2013 | CN203200314U Online annealing lead device of mild steel wire |
| 09/18/2013 | CN203200313U Inner plugging device for welding heat treatment of pipeline |
| 09/18/2013 | CN203200312U Gear induction heating system |
| 09/18/2013 | CN203200311U Small-sized shaft part quenching fixture mechanism |
| 09/18/2013 | CN203200310U Motor shaft quenching equipment |
| 09/18/2013 | CN203200309U Heat treatment device for super-thick steel plate with short and wide dimensions |
| 09/18/2013 | CN203200304U Steel shot quenching device realizing continuous production |
| 09/18/2013 | CN203200301U External cooling water spraying device for middle-frequency quenching |
| 09/18/2013 | CN103314125A Steel wire material and method for producing same |
| 09/18/2013 | CN103314122A Heat treatment apparatus for annealing process |
| 09/18/2013 | CN103314121A Process and plant for continuously manufacturing a steel wire |
| 09/18/2013 | CN103314120A Process for producing hot stamp molded article, and hot stamp molded article |
| 09/18/2013 | CN103314119A Method for manufacturing bearing ring, bearing ring, and rolling bearing |
| 09/18/2013 | CN103306611A Special-shaped drill rod used for coal mining and processing technology of drill rod |
| 09/18/2013 | CN103305777A Large-caliber extra-thick-walled seamless steel pipe and manufacturing method thereof |
| 09/18/2013 | CN103305774A Manufacturing method of metal abrasion-proof anti-corrosion anti-rust pipeline |
| 09/18/2013 | CN103305773A Preparation method of anti-corrosion high-temperature-resistant wear-resistant casting pipe |
| 09/18/2013 | CN103305772A High-hardness slurry pump body and manufacturing method thereof |
| 09/18/2013 | CN103305758A Steel plate for low-temperature pressure container and production method of steel plate |
| 09/18/2013 | CN103305757A High-strength steel plate for automobile and production method thereof |
| 09/18/2013 | CN103305745A Production method for high-quality normalized silicon steel substrate |
| 09/18/2013 | CN103305744A Production method for high-quality normalized silicon steel substrate |
| 09/18/2013 | CN103305683A Low-power burner combustion control system and method for continuous annealing furnace |
| 09/18/2013 | CN103305681A Adjusting device for dew point of atmosphere in continuous annealing unit |
| 09/18/2013 | CN103305680A Method for producing cold-rolled sheet by means of cover annealing blowing |
| 09/18/2013 | CN103305679A Heat treatment method of high-chromium steel composite roll |
| 09/18/2013 | CN103305678A Steel pipe inner wall hardening and quenching device and steel pipe inner wall hardening and quenching method |
| 09/18/2013 | CN103305677A Thermal treatment technology of 45 steel thin-wall sleeve |
| 09/18/2013 | CN103305676A Rotary retort-type heat treatment furnace |
| 09/18/2013 | CN103305672A Heat treatment process for ultra-large type tube plate forge piece of pressure container |
| 09/18/2013 | CN103305667A Vacuum heat treatment equipment |
| 09/18/2013 | CN103305665A Method for strengthening welding line by laser temperature shock free of absorption layer |
| 09/18/2013 | CN103302464A Anti-fatigue manufacturing method of car transmission gear |
| 09/18/2013 | CN102888507B Sloping bottom step comprehensive heating furnace |
| 09/18/2013 | CN102628096B Thermal processing process of bearing ring |
| 09/18/2013 | CN102517515B Phi 177.8*9.19 seamless steel pipe with high steel grade for petroleum and manufacturing method |
| 09/18/2013 | CN102430582B Manufacturing method of roll sleeve of ultra-strong wear-resistant high alloy steel roll squeezer |
| 09/18/2013 | CN102424904B Method for manufacturing motorcycle gears from 20CrMo carburizing steel |
| 09/18/2013 | CN102001442B Casting formed blade guide frame and casting forming method thereof |
| 09/18/2013 | CN101713046B Preparation method of superfine grain martensitic steel reinforced and controlled by nano precipitated phase |
| 09/17/2013 | CA2520022C High-strength hot-rolled steel sheet excellent in hole expandability and ductility and production method thereof |
| 09/12/2013 | WO2013133429A1 Ferritic stainless steel sheet |
| 09/12/2013 | WO2013133295A1 Carbon tool steel strip |
| 09/12/2013 | WO2013133270A1 Steel sheet for hot stamping, method for producing same, and hot-stamped steel material |