| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/03/2013 | CN202849504U Rebar online thermal treatment device |
| 04/03/2013 | CN202849503U Field assembly welding annular welding joint heat treatment device of large chemical equipment |
| 04/03/2013 | CN202849502U Chain board special for wearable steel ball aging furnace |
| 04/03/2013 | CN202849501U Crawler-type aging oven for heat treatment of wear-resistant steel balls |
| 04/03/2013 | CN202849500U Rotary furnace bottom annular heating furnace |
| 04/03/2013 | CN202849499U Efficient aging oven for abrasion-resistant steel balls |
| 04/03/2013 | CN202849498U Annealing device for production of driving bevel gear |
| 04/03/2013 | CN202849497U Annealing device |
| 04/03/2013 | CN202849496U Piping insulation thermal treatment die |
| 04/03/2013 | CN202849495U Atomized water cooling device for seamless steel pipes |
| 04/03/2013 | CN202849494U Temperature control energy-saving type continuous heating furnace for heat treatment |
| 04/03/2013 | CN202849493U Expanding and locating tool for tempering wall plate housing of gas turbine |
| 04/03/2013 | CN202849488U Super large power frequency induction heating quenching unit |
| 04/03/2013 | CN202849482U Gradient heat treatment device |
| 04/03/2013 | CN202848537U Toothed rail for preventing tempering dehiscence |
| 04/03/2013 | CN202846416U Heat treatment locator for conduit port |
| 04/03/2013 | CN202845260U Stainless steel wire annealing liquid coating device |
| 04/03/2013 | CN103026086A Sliding member and method for producing same |
| 04/03/2013 | CN103025917A Electromagnetic steel sheet and process for production thereof |
| 04/03/2013 | CN103025904A Spring and manufacture method thereof |
| 04/03/2013 | CN103025903A Oriented electromagnetic steel plate and production method for same |
| 04/03/2013 | CN103025898A Annealing installation with m-shaped strip treatment tunnel |
| 04/03/2013 | CN103025897A Method for manufacturing spring and device for heating by passage of electric current |
| 04/03/2013 | CN103014953A Processing technique of BS (blue sapphire) traveller used for spinning |
| 04/03/2013 | CN103014770A Manufacturing method of breaking hammer head for aluminum electrolysis cell |
| 04/03/2013 | CN103014726A Heat treatment method of universal joint cross shaft |
| 04/03/2013 | CN103014725A Welded tube for calorizing and laser short processing |
| 04/03/2013 | CN103014594A Preparation method of high-performance magnetostrictive thin plate strip |
| 04/03/2013 | CN103014573A Dual-furnace base cover annealing method for titanium and titanium alloy |
| 04/03/2013 | CN103014563A Multi-element micro-alloy strengthening steel shot/sand and preparation process thereof |
| 04/03/2013 | CN103014560A Multielement low alloy steel wear resisting ball and manufacturing method thereof |
| 04/03/2013 | CN103014553A High-strength and high-toughness steel plate with 630 Mpa-level yield strength and preparation method of steel plate |
| 04/03/2013 | CN103014545A High-strength steel plate with 900 Mpa-level yield strength and preparation method of steel plate |
| 04/03/2013 | CN103014538A High-strength steel plate with 960 Mpa-level yield strengths and preparation method of steel plate |
| 04/03/2013 | CN103014533A Technique for prolonging fatigue life of 50CrVA plate spring |
| 04/03/2013 | CN103014519A Excavator silicon-manganese alloy steel bucket tooth cast and processing process thereof |
| 04/03/2013 | CN103014504A Steel special for high-hardness heat-treated steel rail |
| 04/03/2013 | CN103014486A Steel special for high-strength heat-treated steel rail |
| 04/03/2013 | CN103014481A Multielement low alloy bainite spheroidal graphite cast iron grinding ball and manufacturing method thereof |
| 04/03/2013 | CN103014480A Multielement microalloy low chromium white iron grinding ball and manufacturing method thereof |
| 04/03/2013 | CN103014313A Method for strengthening cylinder sleeve |
| 04/03/2013 | CN103014312A Control method of regenerative burner of regenerative heating furnace |
| 04/03/2013 | CN103014311A Method for preventing steel in heating furnace from falling down |
| 04/03/2013 | CN103014310A Timing constant-temperature reversing device of regenerative furnace and method thereof |
| 04/03/2013 | CN103014309A Cooling air supply device for cold-strip steel continuous annealing furnace |
| 04/03/2013 | CN103014308A Galvanized vertical annealing furnace |
| 04/03/2013 | CN103014307A Method for improving board quality and yield of coiled materials in annealing process |
| 04/03/2013 | CN103014306A Novel heat treatment process of drilling rod welding line of bainite/martensite mixed steel material |
| 04/03/2013 | CN103014305A Process for increasing production efficiency of open-fire heating and normalizing furnace |
| 04/03/2013 | CN103014304A Plate shape control method for steel plate quenching |
| 04/03/2013 | CN103014303A Production method of thin and long thin-plate type part |
| 04/03/2013 | CN103014302A Partial annealing device and annealing method of bearing sleeve ring |
| 04/03/2013 | CN103014301A Laser-quenching technology for iron-based piston ring groove sides |
| 04/03/2013 | CN103014300A White etching cracks robustness increase of a roller bearing |
| 04/03/2013 | CN103014299A Electric impulse treatment method for improving heat treatment efficiency and structure quality of high-speed steel roll |
| 04/03/2013 | CN103014298A Supporting roll inverter power supply differential temperature quenching device and heat treatment method |
| 04/03/2013 | CN103014297A Heat treatment technology for abrasion-resistant gear |
| 04/03/2013 | CN103014296A Thermal treatment process for axle steel |
| 04/03/2013 | CN103014295A Heat treatment process of anti-torque shaft piece |
| 04/03/2013 | CN103014294A Heat treatment technology of bar shearing die blade |
| 04/03/2013 | CN103014293A Positioning device and induction hardening equipment for straight round pipe fitting |
| 04/03/2013 | CN103014292A Automatic continuous annealing equipment for steel pipes |
| 04/03/2013 | CN103014291A Multi-pipe continuous induction annealing apparatus |
| 04/03/2013 | CN103014290A Stepped hot coiling spring resistance coiling heating furnace |
| 04/03/2013 | CN103014289A Manufacturing method of forged steel balls |
| 04/03/2013 | CN103014288A Pole type workpiece heating furnace |
| 04/03/2013 | CN103014287A Stepping type automatic overturning heating furnace |
| 04/03/2013 | CN103014286A Thermal treatment process of slender axle with key groove |
| 04/03/2013 | CN103014285A Manufacturing method of mirror surface oriented silicon steel with good magnetic performance and annealing parting agent |
| 04/03/2013 | CN103014265A Spheroidizing annealing process for bearing steel |
| 04/03/2013 | CN103014255A Annealing wire rewinding machine for copper clad aluminum wire |
| 04/03/2013 | CN103014254A Heat treatment processing process for drive plate |
| 04/03/2013 | CN103014253A Thermal treatment method of 60Si2Mn steel subjected to friction welding |
| 04/03/2013 | CN103014251A Heat treatment process of anticorrosion steel plate |
| 04/03/2013 | CN103014248A Welded tube for strengthening welded joint by laser shock |
| 04/03/2013 | CN103009026A Processing method for rolling scissors with high abrasion resistance and strong shock resistance |
| 04/03/2013 | CN103009020A Manufacturing method for steel cracking connecting rod |
| 04/03/2013 | CN103008994A Production method for dedicated steel ball for bearing of high-speed high-precision numerical control machine tool |
| 04/03/2013 | CN103008979A Production and refabrication technology for upsetting-type hollow sucker rod |
| 04/03/2013 | CN103008833A Surfacing method for antiseptic wear-resisting layer of dovetail groove |
| 04/03/2013 | CN103008386A Preparation method of thickness-diameter ratio longitudinal titanium and titanium alloy welded pipe |
| 04/03/2013 | CN103008202A Manufacturing method for aluminum alloy automobile hub |
| 04/03/2013 | CN103008062A Low-carbon high-chromium composite swing hammer |
| 04/03/2013 | CN102517430B Strong wind cooling system for medium plate heat treatment |
| 04/03/2013 | CN102383135B Thermal-treatment manufacture process for clutch plate |
| 04/03/2013 | CN102329924B Surface treatment method of guide rail of elevator |
| 04/03/2013 | CN102260771B Vertical resistance-band rapid heating furnace |
| 04/03/2013 | CN102212656B Induction hardening system and method |
| 04/03/2013 | CN102010970B Device for hardening rails |
| 04/03/2013 | CN101781743B Seamless steel tube for ultra supercritical boiler and manufacturing method thereof |
| 04/02/2013 | CA2742949C Device for hardening of rails |
| 04/02/2013 | CA2742939C Device for hardening of rails |
| 04/02/2013 | CA2742873C Device for hardening of rails |
| 03/28/2013 | WO2013042528A1 Centrifugal casted composite roller for hot rolling and method for producing same |
| 03/28/2013 | WO2013042239A1 Medium carbon steel sheet for cold working, and method for producing same |
| 03/28/2013 | WO2013041541A1 Quenched and partitioned high-carbon steel wire |
| 03/28/2013 | US20130074995 Method and device for wire patenting by radiation-convection heat transfer |
| 03/28/2013 | DE112007003040B4 Verfahren zur Herstellung einer Glas-Giessform A method for producing a glass mold |
| 03/28/2013 | CA2848028A1 Medium carbon steel sheet for cold working and method for manufacturing the same |
| 03/27/2013 | EP2573200A1 Automotive underbody part having excellent low cycle fatigue properties, and process for production thereof |