| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 12/11/2013 | CN203333714U Cooling system for aluminum profile quenching |
| 12/11/2013 | CN203333713U Resistance wire heating furnace |
| 12/11/2013 | CN203333712U Sealable annealing pipe |
| 12/11/2013 | CN103443321A Injection molding of metallic glass by rapid capacitor discharge |
| 12/11/2013 | CN103443317A Steel sheet for hot-tamped member and process for producing same |
| 12/11/2013 | CN103443316A Case hardening steel, method for producing same, and mechanical structural part using case hardening steel |
| 12/11/2013 | CN103443302A Steel pipe quenching method |
| 12/11/2013 | CN103443300A Method for treating a component such as a gearwheel |
| 12/11/2013 | CN103443299A Complex steel component and production method therefor |
| 12/11/2013 | CN103442837A Complex steel component and production method therefor |
| 12/11/2013 | CN103439358A Solid section temperature variation determination method |
| 12/11/2013 | CN103438215A Oil seal isolating device at bottom of muffle pipe |
| 12/11/2013 | CN103436892A Preparation method for abrasion-resistant gear with alloy steel on surface |
| 12/11/2013 | CN103436810A Production process for steel casting of martensitic wear-resistant steel |
| 12/11/2013 | CN103436795A High-temperature abrasion resistant alloy steel and preparation method thereof |
| 12/11/2013 | CN103436794A Preparation method for molybdenum-containing cold-heading steel used for high-strength fastener |
| 12/11/2013 | CN103436792A Preparation method for heat treatment-free high-strength cold-heading steel |
| 12/11/2013 | CN103436783A Manufacture method of quenching high-strength steel plate for heavy truck body structure |
| 12/11/2013 | CN103436782A Preparation method of steel alloy |
| 12/11/2013 | CN103436767A Manufacturing method for abrasion-resistant steel casting |
| 12/11/2013 | CN103436765A Preparation method for niobium microalloyed steel |
| 12/11/2013 | CN103436764A Process for producing heat-resisting alloy steel casting below 1100 DEG C |
| 12/11/2013 | CN103436687A Controlled cooling technology of high-alloy tool steel |
| 12/11/2013 | CN103436686A Tempering technology of G18CrMo2-6 steel |
| 12/11/2013 | CN103436681A Compression roller device in front of annealing furnace |
| 12/11/2013 | CN103436680A Method for producing steel for binding straps with tensile strength of more than or equal to 990 MPa |
| 12/11/2013 | CN103436679A Differential temperature heat treatment method of minor-diameter high chromium cast-iron roll |
| 12/11/2013 | CN103436678A Water spray quenching technology for wheel treads of industrial and mining locomotives, cranes and the like |
| 12/11/2013 | CN103436672A Thermal treatment method for 14Cr17Ni2 stainless steel |
| 12/11/2013 | CN103436671A Special equipment for two-medium quenching heat treatment and cooling and technology of equipment |
| 12/11/2013 | CN103436670A Water cooling system for steel plate quenching apparatus |
| 12/11/2013 | CN103436669A Oscillating apparatus for quenching of steel plate |
| 12/11/2013 | CN103436668A High capacity isothermal nitrate tank |
| 12/11/2013 | CN103436667A Flipping apparatus |
| 12/11/2013 | CN103436666A Material returning apparatus |
| 12/11/2013 | CN103436665A Nitrate isothermal quenching treatment system and treatment process of alloy material |
| 12/11/2013 | CN103436664A Annealing method for obtaining NaZn13 structure of rare-earth-iron-silicon alloy through peritectoid reaction |
| 12/11/2013 | CN103436663A Technique for improving hot-rolling elongation of steel for bainite steel rail |
| 12/11/2013 | CN103436662A Steel wire quenching heat treatment method |
| 12/11/2013 | CN103436661A Inner bore induction quenching device and method of gray iron cylinder body of air compressor |
| 12/11/2013 | CN103432805A Steel spade heat treatment liquid recovery furnace and recovery method |
| 12/11/2013 | CN103014260B Method for eliminating low-temperature aging brittleness of duplex stainless steel |
| 12/11/2013 | CN103014254B Heat treatment processing process for drive plate |
| 12/11/2013 | CN102912097B Ring type water through cooling device used for steel rolling quenching |
| 12/11/2013 | CN102912088B Method and device for strengthening inner wall of middle-small diameter long tube through laser shot blasting |
| 12/11/2013 | CN102808103B Method for preparing rare-earth compound with NaZn13 structure by solid state diffusion |
| 12/11/2013 | CN102560228B Method for producing wheel made of austempered ductile iron (ADI) material |
| 12/11/2013 | CN102443808B Stainless steel surface corrosion-resistant oxynitriding coriaceous layer as well as preparation method and application thereof |
| 12/11/2013 | CN102433425B Machine tool for continuously quenching slender steel pipe |
| 12/11/2013 | CN102409147B Heat treatment method for target material |
| 12/11/2013 | CN102102142B Production method of energy saving type GO oriented silicon steel |
| 12/11/2013 | CN101835916B Steel for CVJ ball cages |
| 12/10/2013 | US8603265 Ni-based alloy high-chrome steel structure and manufacturing method of the same |
| 12/05/2013 | WO2013180313A1 Current applying apparatus, current applying method and direct resistance heating apparatus |
| 12/05/2013 | WO2013178470A1 Continuous curing or drying installation for sheet metal strip |
| 12/05/2013 | DE112009004328B4 Wärmebehandlungsvorrichtung und wärmebehandlungsverfahren A heat treatment apparatus and heat treatment process |
| 12/05/2013 | DE102011113850A1 Tool for partial heat treating of metal component, comprises inductor formed as loop structure, where individual loops are placed such that adjacent loop sections are formed with equal current flow direction and are arranged in first plane |
| 12/04/2013 | EP2669389A1 Method and assembly for recovering data thermal energy in the heat treatment of cold rolled steel strips in a hood type annealing furnace |
| 12/04/2013 | EP2668307A2 Forming of ferromagnetic metallic glass by rapid capacitor discharge |
| 12/04/2013 | EP2668302A1 High strength multi-phase steel having excellent forming properties |
| 12/04/2013 | CN203325658U Induction heating quenching transformer |
| 12/04/2013 | CN203320073U Annealing device for copper cladding aluminum magnesium composite wire materials |
| 12/04/2013 | CN203320072U Fine adjusting bracket device of amorphous self-pressed strip unit |
| 12/04/2013 | CN203320071U Supersonic air/mist pulse scanning and quenching machine tool for gear induction heating |
| 12/04/2013 | CN203320070U Medium-frequency heat treatment improved structure of driving gear ring of caterpillar excavator |
| 12/04/2013 | CN203320066U Tray for element heat-treatment |
| 12/04/2013 | CN203320065U Full-automatic quenching machine tool for cylindrical workpieces |
| 12/04/2013 | CN203320064U Water cooling system of steel plate quenching device |
| 12/04/2013 | CN203320063U Air circulation system of aging furnace |
| 12/04/2013 | CN203320062U Complex heat treatment device for magnetically soft alloy |
| 12/04/2013 | CN203320061U Automobile front shaft/crankshaft quenching and cooling device |
| 12/04/2013 | CN203320060U Steel plate quenching pendulous device |
| 12/04/2013 | CN203320059U Drying roller of strip steel after water quenching |
| 12/04/2013 | CN203320058U Drying type mesh belt elevator |
| 12/04/2013 | CN203320057U Oil groove mesh belt of mesh belt furnace capable of overcoming mixing phenomenon |
| 12/04/2013 | CN203320056U Cooling plate during production of blade |
| 12/04/2013 | CN203320055U Variable-frequency feeder with induction heating apparatus |
| 12/04/2013 | CN203320054U Device for prolonging service life of annealing-furnace furnace doors and improving sealing performance of annealing-furnace furnace doors |
| 12/04/2013 | CN203320053U Metallurgy cooling system |
| 12/04/2013 | CN203320052U Large-scale workpiece heat treatment kiln |
| 12/04/2013 | CN203320051U Tempering furnace for tempering process of impactor part |
| 12/04/2013 | CN103429375A Bonded object of tungsten carbide-based superhard alloy and process for producing same |
| 12/04/2013 | CN103422098A Modification method for improving surface nano indentation property of material |
| 12/04/2013 | CN103422030A High-chromium alloy for sintering pallet bar grate and manufacturing method of high-chromium alloy |
| 12/04/2013 | CN103422011A High-chromium anti-abrasion cast iron |
| 12/04/2013 | CN103421942A Method for improving crushing load value of quenched and tempered steel ball and steel ball |
| 12/04/2013 | CN103421940A Technological method for AISI4140 and AISI 4340 constructional steel forged piece quenching and tempering through one-time thermal cycling |
| 12/04/2013 | CN103421937A Novel liquid fog regulation sleeve structure |
| 12/04/2013 | CN103421936A Induction heating quenching and tempering system |
| 12/04/2013 | CN103421935A Continuous tempering treatment device |
| 12/04/2013 | CN103421934A Induction quenching system and method for bearing cylindrical face of self-limiting seat of heavy truck plate spring |
| 12/04/2013 | CN103421933A Method for eliminating residual stress of welding joint of X80 pipeline steel |
| 12/04/2013 | CN103421932A Material pushing device of stainless steel solid melting furnace |
| 12/04/2013 | CN102803522B Method for producing harmonic drive gear base material |
| 12/04/2013 | CN102732687B Steel pipe connection component of trolly-type heat treatment furnace |
| 12/04/2013 | CN102523745B Method of manufacturing carburized parts |
| 12/04/2013 | CN102382951B Induction quenching machining method for drive shaft for pump |
| 11/28/2013 | WO2013175758A1 Steel strip continuous annealing furnace, continuous annealing method, continuous hot-dip galvanization equipment, and production method for hot-dip galvanized steel strip |
| 11/28/2013 | WO2013175757A1 Steel strip continuous annealing furnace, steel strip continuous annealing method, continuous hot-dip galvanization equipment, and production method for hot-dip galvanized steel strip |
| 11/28/2013 | WO2013175643A1 Stainless steel foil solar cell substrate material and method for manufacturing same |