| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 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 | CN203373390U Nitrogen control device of tempering furnace |
| 01/01/2014 | CN203373389U Multilayer box-type heating furnace |
| 01/01/2014 | CN103492739A 滚动轴承 Rolling |
| 01/01/2014 | CN103492613A Method for manufacturing machine part |
| 01/01/2014 | CN103492600A Steel sheet for hot stamping members and method for producing same |
| 01/01/2014 | CN103492591A Glassy nano-materials |
| 01/01/2014 | CN103489555A Iron-based nano-crystalline soft magnetic alloy and method for manufacturing same |
| 01/01/2014 | CN103484802A Preparation method for obtaining kilogram-grade high temperature alloy undercooled melt |
| 01/01/2014 | CN103484793A Preparation method of cold work die steel material |
| 01/01/2014 | CN103484772A Excavator tooth holder and preparation method thereof |
| 01/01/2014 | CN103484757A Enamel steel with scaling resistance and manufacturing method thereof |
| 01/01/2014 | CN103484747A Method for preparing iron-based amorphous alloy with supersoft ferromagnetic property |
| 01/01/2014 | CN103484657A Water quenching time correction method at different initial water temperatures |
| 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 | CN103484644A Heat treatment device for torsion bar of car transmission system |
| 01/01/2014 | CN103484640A Heat treatment method of steel bars |
| 01/01/2014 | CN103484636A Production process of forged tee |
| 01/01/2014 | CN103484634A Method for thermal treatment of C-grade steel |
| 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 | CN103484629A Numerical control energy-saving dual-working position induction quenching machine tool |
| 01/01/2014 | CN103484628A Multi-layer automatic water pouring machine |
| 01/01/2014 | CN103484627A Novel automatic quenching device |
| 01/01/2014 | CN103484626A Novel rotary quenching machine tool |
| 01/01/2014 | CN103484625A Water-soluble quenching medium |
| 01/01/2014 | CN103484624A Water-based quenching agent of alloy steel |
| 01/01/2014 | CN103484623A Deformed steel bar slow-release quenching agent |
| 01/01/2014 | CN103484622A Quenching method for workpiece made of steel No.50 |
| 01/01/2014 | CN103484621A Heat treatment method for stainless steel |
| 01/01/2014 | CN103484620A Medium carbon steel quenching method |
| 01/01/2014 | CN103484619A Heat treatment method of GCr15 bearing steel |
| 01/01/2014 | CN103484618A Heat treatment method of GCr15 steel |
| 01/01/2014 | CN103484617A Heat treatment method for heat resistant steel |
| 01/01/2014 | CN103484616A Quenching method for deformed steel bars |
| 01/01/2014 | CN103484615A Quenching method for steel NO. 50 |
| 01/01/2014 | CN103484614A Quenching method for steel NO. 50 |
| 01/01/2014 | CN103484613A Quenching method for steel NO. 50 |
| 01/01/2014 | CN103484612A Steel quenching method |
| 01/01/2014 | CN103484611A Deformed steel bar quenching technique |
| 01/01/2014 | CN103484610A Quenching method for H13 steel |
| 01/01/2014 | CN103484609A Quenching method for steel No.45 |
| 01/01/2014 | CN103484608A Quenching method for shield cutter used steel |
| 01/01/2014 | CN103484607A Thermal treatment technique for anti-wear food tool material |
| 01/01/2014 | CN103484606A Heat treatment method for improving low-temperature toughness of WC6-1.7357 material |
| 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 | CN102492812B Vacuum direct-water-quenching heat treatment equipment with water medium protected by resin film hermetically |
| 01/01/2014 | CN102430455B Manufacturing method of ball-milling tank capable of bearing high pressure and resisting abrasion, |
| 01/01/2014 | CN102033523B Strip steel quality forecasting, furnace condition early-warning and fault diagnosis method based on partial least square |
| 12/27/2013 | WO2013190856A1 Walking beam heating furnace |
| 12/27/2013 | WO2013189597A1 Method and device for producing a press-hardened metal component |
| 12/26/2013 | US20130340895 Carburized steel part having excellent low cycle bending fatigue strength |
| 12/25/2013 | EP2675934A2 Injection molding of metallic glass by rapid capacitor discharge |
| 12/25/2013 | EP2675928A1 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/25/2013 | EP2675583A2 Metal joining and strengthening methods utilizing microstructural enhancement |
| 12/25/2013 | EP2288454B1 Press-forming method |
| 12/25/2013 | EP2182082B1 Method and device for tempering a steel sheet body |
| 12/25/2013 | CN203360545U Heat treatment and straightening device for thin-wall titanium and zirconium boards |
| 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 | CN203360507U Automatic discharging device for diaphragm spring quenching line |
| 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 | CN203360498U Lead device suitable for heating cover of annealing furnace |
| 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 | CN203360494U Controllable complete equipment for plasma arc metal surface heat treatment |
| 12/25/2013 | CN203360493U Cooling device for heating furnace roller way |
| 12/25/2013 | CN103476954A Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product |
| 12/25/2013 | CN103469090A Annealing method of ultrahigh-strength hot-forming steel |
| 12/25/2013 | CN103468926A Different quenching weight water-air alternative quenching process correction method |
| 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 |
| 12/25/2013 | CN103468917A Surface quenching and cooling device of metallurgical locomotive wheel |
| 12/25/2013 | CN103468916A Heat treatment process for bevel gear |
| 12/25/2013 | CN103468897A Novel insulation cover |
| 12/25/2013 | CN103468896A Vacuum quenching and cooling method of H13 steel |
| 12/25/2013 | CN103468895A Steel file quenching device |
| 12/25/2013 | CN103468894A Quenching location structure of internal wall of concrete conveying cylinder |
| 12/25/2013 | CN103468893A Quenching equipment used for large complex thin-wall aluminum alloy castings and application method thereof |
| 12/25/2013 | CN103468892A Stirring cooling system for heat treatment quenching |
| 12/25/2013 | CN103468891A Water-soluble quenching agent |