| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/19/2013 | CN102586670B Iron-based composite material reinforced by in-situ titanium carbide grains and preparing method thereof |
| 06/19/2013 | CN102534145B Quenching cooling device for large cylindrical workpieces |
| 06/19/2013 | CN102416411B Manufacturing method of directly cold-drawn spring steel wire with excellent fatigue performance |
| 06/19/2013 | CN102352431B Large-scale high-chrome cast iron roller permissible differential temperature heat treatment |
| 06/19/2013 | CN102321795B Heat treatment method for high ferrochrome roll requiring stepped hardness of roll body |
| 06/19/2013 | CN102312072B Rivet quenching system |
| 06/19/2013 | CN102260777B Heat processing process for lockset material and equipment thereof |
| 06/19/2013 | CN102226228B Technology for testing pearlite in low carbon steel structure in mesophase spheroidizing annealing |
| 06/19/2013 | CN102220459B Heat process capable of lowering ductile-brittle transition temperature and intergranular fracture ratio of turbine blades |
| 06/19/2013 | CN102162071B Limit mandrel steel material for rolled tubes and preparation method thereof |
| 06/19/2013 | CN102162069B Flying-shear main-transmission gearwheel steel and preparation method thereof |
| 06/19/2013 | CN102154614B 真空渗碳处理方法以及真空渗碳处理装置 Vacuum carburization processing method and a vacuum carburization processing apparatus |
| 06/19/2013 | CN102021482B Cold-rolled galvanized duplex steel and manufacturing method thereof |
| 06/19/2013 | CN101974674B Spraying quenching device for steel cylinders |
| 06/19/2013 | CN101845539B Method for strengthening edges of tool and die based on laser transformation hardening |
| 06/19/2013 | CN101688507B Injection valve, method for its production and device for carrying out the method |
| 06/18/2013 | CA2610378C Method for producing a metallic component comprising adjoining portions having differing material properties |
| 06/13/2013 | WO2013085033A1 Bearing components, rolling bearing, and methods for producing same |
| 06/13/2013 | WO2013084864A1 Machine part, rolling bearing, conical roller bearing and method for manufacturing machine part |
| 06/13/2013 | WO2013084800A1 Rolling bearing and method for producing same |
| 06/13/2013 | DE102012222670A1 Manufacturing workpieces and semifinished product e.g. Kitchen sink made of austenitic stainless steel, where martensitic transformation occurs in workpiece portions molded with corresponding degree of deformation during deforming process |
| 06/13/2013 | DE102011120557A1 Producing bipolar plates for fuel cells to transport austenitic workpieces, by magnetizing workpiece before transport into forming region, in which austenite is converted to ferrite and/or martensite, and moving workpiece by magnetic field |
| 06/12/2013 | EP2602339A1 Grain-oriented electrical steel sheet, and method for producing same |
| 06/12/2013 | EP2602334A1 Plant and method for hot forming blanks |
| 06/12/2013 | EP2601322A2 Method for heat treating the wheel rim of railway vehicle wheels |
| 06/12/2013 | EP2601321A1 A method for shot peening a gas carburised steel |
| 06/12/2013 | CN202989260U Clean and pollution-free ultra-soft tin-coated solder strip production system |
| 06/12/2013 | CN202989242U Galvanized vertical annealing furnace |
| 06/12/2013 | CN202989241U Device for inhibiting thermal crown change of furnace rollers |
| 06/12/2013 | CN202989237U Hardened inner gear |
| 06/12/2013 | CN202989236U Hardening supporting axle |
| 06/12/2013 | CN202989234U Swing arm type steel pipe transporting lifting roller table |
| 06/12/2013 | CN202989232U Stepping type pipe heating furnace |
| 06/12/2013 | CN202989231U Heat treatment device of steel sheet for hosiery machine needle cylinder |
| 06/12/2013 | CN202989228U Large-space hearth of vacuum furnace for heat treatment |
| 06/12/2013 | CN202989227U Furnace gas balance replacement system of vacuum furnace for heat treatment |
| 06/12/2013 | CN202989226U Numerical control quenching device |
| 06/12/2013 | CN202989225U Quenching liquid cooling circulation system |
| 06/12/2013 | CN202989224U Experimental quenching water bucket |
| 06/12/2013 | CN202989223U Automatic oil-recharging control device for oil bath |
| 06/12/2013 | CN202989222U Length adjusting device of water quenching tank |
| 06/12/2013 | CN202989221U Heat treatment device |
| 06/12/2013 | CN202989220U Device for performing heat-treatment water-bath quenching on tire bead wires |
| 06/12/2013 | CN202989219U Medium-frequency hardening jig device |
| 06/12/2013 | CN202989218U Quench machining tool |
| 06/12/2013 | CN202989217U Medium-frequency synchronous-quenching inductor |
| 06/12/2013 | CN202989216U Medium-frequency continuous quenching inductor |
| 06/12/2013 | CN202989215U Heating device for high frequency automatic annealing machine of band saw blade |
| 06/12/2013 | CN202989214U Novel carbon sleeve roller sealing block for silicon steel annealing furnace |
| 06/12/2013 | CN202989213U Quick annealing furnace |
| 06/12/2013 | CN202989212U Double fuel gas fast switch annealing furnace |
| 06/12/2013 | CN202989211U Quenching device outward-spray water storage device on tubing hardening and tempering production line |
| 06/12/2013 | CN202989210U Medium-frequency induction quenching system applied to concrete pump wear-resisting tube production |
| 06/12/2013 | CN202989209U Bar-stock rotating induction quenching device |
| 06/12/2013 | CN202989208U Novel quenching induction heating tool |
| 06/12/2013 | CN202989207U Improved quenching device |
| 06/12/2013 | CN202989206U Outer ring local quenching inductor of spring gland of drilling machine |
| 06/12/2013 | CN202985393U Small-sized handheld fixture for heat treatment of workpieces |
| 06/12/2013 | CN103154293A Carburizing steel having excellent cold forgeability, and production method thereof |
| 06/12/2013 | CN103154279A Method of hot forming a steel blank and the hot formed part |
| 06/12/2013 | CN103147803A Treated valve seat |
| 06/12/2013 | CN103147085A On-line blueing technology of electric steel and substitute DD750 cold rolled strip thereof |
| 06/12/2013 | CN103147084A Vertical continuous annealing furnace bluing device and bluing technology thereof |
| 06/12/2013 | CN103147021A Martensitic stainless steel forged piece and forging and rolling heat treatment integrated production process |
| 06/12/2013 | CN103147016A Cryogenic vessel steel of minus 110 DEG C and manufacturing method thereof |
| 06/12/2013 | CN103146909A Electric control system used for scraper knife connecting seat induction quenching apparatus, and control method thereof |
| 06/12/2013 | CN103146903A Finishing method of hollow circular ring member |
| 06/12/2013 | CN103146900A Cylinder type induction heating furnace with insulating cabinet |
| 06/12/2013 | CN103146897A High-frequency induction heat-treatment system with IGBT (Insulated Gate Bipolar Translator) |
| 06/12/2013 | CN103146896A Induction quenching apparatus used for concave spherical surface of scraper knife connecting seat, and operation method thereof |
| 06/12/2013 | CN103146895A Integral normalizing process for 8Cr steel for rock drilling rod |
| 06/12/2013 | CN103146894A Induction annealing process of 95CrMo steel for rock drilling rod |
| 06/12/2013 | CN103146893A Method for treating curved surface through laser shock |
| 06/12/2013 | CN103146892A Femtosecond laser surface pretreatment method for improving bonding state of layer base or film base |
| 06/12/2013 | CN103143836A Laser shock treatment device taking flowable liquid as energy absorption layer |
| 06/12/2013 | CN102703660B Quenching machine tool with rotary quenching mechanism |
| 06/12/2013 | CN102586555B Long-temperature area vacuum heat treatment furnace with rails in hot area |
| 06/12/2013 | CN102492811B Preparation method of photo-thermal conversion coating for laser quenching |
| 06/12/2013 | CN102492809B Triangular guide-machining tooling and triangular guide-machining technique |
| 06/12/2013 | CN102492804B Nanometer strengthening method of surface of long thin piston rod of hydraulic oil cylinder |
| 06/12/2013 | CN102424902B Vapor cooling system for use in offline heat treatment of thin medium and thick plates |
| 06/12/2013 | CN102409158B Automatic control system for moderate-thickness plate roller quenching machine |
| 06/12/2013 | CN102400051B Relieved tooth and preparation method thereof |
| 06/12/2013 | CN102399973B Vapor cooling device for heat treatment |
| 06/12/2013 | CN102399972B Temperature on-line measuring device for roller type quenching process of medium and heavy plate |
| 06/12/2013 | CN102399948B Method for carrying out heat treatment upon automobile sprocket wheel by using high-frequency wave |
| 06/12/2013 | CN102312073B Pinch roller mechanism of quenching device |
| 06/12/2013 | CN102286655B Device and method for isothermal normalizing utilizing forging waste heat |
| 06/12/2013 | CN102226255B Steel plate with high strength and toughness and 690MPa of yield strength and preparation process thereof |
| 06/12/2013 | CN102181615B Automotive half shaft quenching process method and quenching induction coil |
| 06/12/2013 | CN102100124B Induction heating apparatus and induction heating method |
| 06/12/2013 | CN102061362B Method and device for strengthening fastening hole by shocking with ring laser |
| 06/12/2013 | CN101885000B Processing method for increasing stamping formability of 6111 aluminium alloy automobile sheet |
| 06/12/2013 | CN101765640B Heat-treatment oil composition |
| 06/12/2013 | CN101504049B Suspension spring of high-speed locomotive steering frame and manufacturing method thereof |
| 06/08/2013 | CA2798264A1 Plant and method for preheating blanks in response to hot forming |
| 06/08/2013 | CA2798258A1 Plant and method for hot forming blanks |
| 06/06/2013 | WO2013081451A1 Heat treatment process in a manufacturing method for a drive belt metal ring component |
| 06/06/2013 | US20130140299 Heating coil |
| 06/05/2013 | EP2598663A1 Bearing component and method for surface hardening |