| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 03/27/2013 | CN202830142U Integrated device for annealing, tin plating and shaft collecting of photovoltaic solder strip |
| 03/27/2013 | CN202830107U Steel wire rod annealing rack applicable to pit furnace |
| 03/27/2013 | CN202830105U Steel ball quenching temperature control device |
| 03/27/2013 | CN202830104U Spraying device for gear induction quencher |
| 03/27/2013 | CN202830103U Spraying jacket of gear induction quencher |
| 03/27/2013 | CN202830101U Gear shaft quenching workpiece clamp |
| 03/27/2013 | CN202830096U Pressing and quenching die for hub speed reducer outer gear ring |
| 03/27/2013 | CN202830095U Double frequency quenching water jet |
| 03/27/2013 | CN202830094U Automatic partial quenching device |
| 03/27/2013 | CN202830093U Wheel surface induction heating quenching machine tool |
| 03/27/2013 | CN202830092U Cooling system of vacuum double-chamber oil gas glowing furnace |
| 03/27/2013 | CN202830091U Linear water curtain device |
| 03/27/2013 | CN202830090U Continuous quenching device for thin steel strips |
| 03/27/2013 | CN202830089U Heat treatment device for production of steel pipes made of DP (double-phase) steel |
| 03/27/2013 | CN202830088U Induction coil for inner hole high-frequency quenching treatment |
| 03/27/2013 | CN202830087U Induction heating device for thin steel strip coil |
| 03/27/2013 | CN202830086U Air cooling device for isothermal normalizing furnace |
| 03/27/2013 | CN202830085U Annealing tool for test samples of pure iron magnetic rings |
| 03/27/2013 | CN202830084U Annealing device for end part of rotating shaft |
| 03/27/2013 | CN202830083U Tapping rod for bar material heating furnace tapping machine |
| 03/27/2013 | CN202830082U Heat treatment device for aluminum component |
| 03/27/2013 | CN202830081U Box-type protective atmosphere annealing furnace |
| 03/27/2013 | CN103003003A Forming tool and method for hot forming and partially press hardening a workpiece made of sheet stee |
| 03/27/2013 | CN103003002A Method for producing a structural part from an iron-manganese-steel sheet |
| 03/27/2013 | CN102996441A Pump body structure of cam rotor pump and preparation method thereof |
| 03/27/2013 | CN102995029A Heat treatment process of bolt processing |
| 03/27/2013 | CN102994912A Stator of homogeneous mixing pump and preparation method thereof |
| 03/27/2013 | CN102994909A Alloy steel material and preparation method thereof |
| 03/27/2013 | CN102994907A Casting method of check valve body |
| 03/27/2013 | CN102994902A Hot-working tool steel having excellent toughness and high-temperature strength and method for production thereof |
| 03/27/2013 | CN102994894A Method for producing alloy steel material for drill bit |
| 03/27/2013 | CN102994892A Preparation method of swing check valve plate |
| 03/27/2013 | CN102994891A Method for preparing valve rod of plug valve |
| 03/27/2013 | CN102994890A Casting method of valve body of anti-explosion valve |
| 03/27/2013 | CN102994889A Preparation method for diaphragm valve body through cast molding |
| 03/27/2013 | CN102994887A Preparation method of rotor material of cam rotor pump |
| 03/27/2013 | CN102994736A Correction method for annealing model of bell-type furnace |
| 03/27/2013 | CN102994726A Line laying device for annealing furnace |
| 03/27/2013 | CN102994725A Complete equipment for lead-free heat treatment of steel wires |
| 03/27/2013 | CN102994724A Quenching process of steel wire |
| 03/27/2013 | CN102994722A Cutting tool heat treatment method |
| 03/27/2013 | CN102994719A Heat treatment method of train wheel |
| 03/27/2013 | CN102994716A Quenching self-tempering machining method |
| 03/27/2013 | CN102994714A Safety hook |
| 03/27/2013 | CN102994713A Material feeding and taking device for vacuum oil-quenching furnace |
| 03/27/2013 | CN102994712A Quenching medium treatment device |
| 03/27/2013 | CN102994711A Semi-automatic double-gun hot-working dolly |
| 03/27/2013 | CN102994710A Spheroidizing annealing process of superplasticity fastener wire rod |
| 03/27/2013 | CN102994709A Anneal processing equipment |
| 03/27/2013 | CN102994708A Cover-type furnace annealing process |
| 03/27/2013 | CN102994707A Heat treatment process in high-strength nut processing |
| 03/27/2013 | CN102994706A Method for quenching and processing bearing steel |
| 03/27/2013 | CN102994705A Quenching furnace |
| 03/27/2013 | CN102994704A High-rigidity surface quenching technology for large-scale alloy steel rotating workpiece |
| 03/27/2013 | CN102990067A Rotor of cam rotor pump and preparation method thereof |
| 03/27/2013 | CN102990066A Powder metallurgy forming and preparation method of valve rod of diaphragm valve |
| 03/27/2013 | CN102989982A Forging method of driving shaft for gearbox |
| 03/27/2013 | CN102989953A Forging method of automotive eccentric shaft |
| 03/27/2013 | CN102392106B Heat treatment process of 30CrMnSiA alloy constructional steel |
| 03/27/2013 | CN102337383B High-frequency automatic quenching machine for reverse gear shafts of transmission cases |
| 03/27/2013 | CN102305546B Heat sink of oil quenching gas cooling vacuum furnace |
| 03/27/2013 | CN102268612B X80 steel elbow with low temperature resistance and manufacturing process thereof |
| 03/27/2013 | CN102242320B Super-hard copper-containing martensite antibiotic stainless steel |
| 03/27/2013 | CN102230058B Heat treatment process of low alloy high-strength steel with yield strength of 690 MPa |
| 03/27/2013 | CN102212663B Atmosphere controlled quenching device for magnetically buffering fall of furnace body |
| 03/27/2013 | CN102108436B Heat treatment method for alloy steel hollow car axle material for high-speed railway cars |
| 03/27/2013 | CN102102139B Wheel quenching device |
| 03/27/2013 | CN101992567B Stainless steel/aluminum composite material and preparation method thereof |
| 03/27/2013 | CN101871079B Copper-bearing ferritic antibacterial stainless steel and manufacturing method thereof |
| 03/27/2013 | CN101842507B Hardfacing steel for machine structure, and steel component for machine structure |
| 03/27/2013 | CN101597680B Process for quenching-distribution heat treatment on 60Si2CrVA steel spring for trains |
| 03/27/2013 | CN101597679B Process for quenching-isothermal heat treatment on 50CrVA steel spring for high-speed heavy loading locomotive |
| 03/27/2013 | CN101570861B Surface treatment method for sucker rod coupling |
| 03/27/2013 | CN101484560B Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composit |
| 03/27/2013 | CN101394690B Electric induction heating of a rail head with non-uniform longitudinal temperature distribution |
| 03/26/2013 | US8404062 Device and method for cooling hot strip |
| 03/21/2013 | WO2013038580A1 Hollow member and method for manufacturing hollow member |
| 03/21/2013 | WO2013037485A1 High strength hot dip galvanised steel strip |
| 03/21/2013 | WO2013037362A1 Method for producing structural components and chassis components by hot forming, and heating station |
| 03/21/2013 | WO2013037116A1 Alloy steel for casting crawler plate, crawler plate and manufacturing method thereof and engineering machinery |
| 03/21/2013 | DE102005061946B4 Einsatzgehärteter Stahl mit hervorragender Zahnoberflächendauerfestigkeit, diesen verwendendes Zahnrad, und Verfahren zur Herstellung desselben Of the same hardened steel with excellent tooth surface fatigue strength, this gear-use, and methods for preparing |
| 03/21/2013 | CA2848161A1 High strength hot dip galvanised steel strip |
| 03/20/2013 | EP2570503A2 Method and device for heating a pre-coated steel circuit board |
| 03/20/2013 | EP2570204A2 Method and assembly for heating a metal circuit board |
| 03/20/2013 | EP2569112A1 Method for producing a structural part from an iron-manganese-steel sheet |
| 03/20/2013 | CN202814928U Acoustical power detecting device for laser shock peening processing qualities |
| 03/20/2013 | CN202811889U A flexible coupler for annealing furnace roller transmission |
| 03/20/2013 | CN202808910U Cold-rolled continuous strip steel annealing furnace |
| 03/20/2013 | CN202808909U Heating mechanism of annealing furnace for copper strip annealing processing |
| 03/20/2013 | CN202808906U Collision and deformation preventing fixture for quenching of bearing ring |
| 03/20/2013 | CN202808901U 钢管中频加热装置 IF steel heating device |
| 03/20/2013 | CN202808900U Heat treatment device of hot coiling spring |
| 03/20/2013 | CN202808899U Automatic control device for thermal treatment of spring |
| 03/20/2013 | CN202808896U Charging basket of annealing furnace |
| 03/20/2013 | CN202808894U Oil quenching air cooling vacuum furnace |
| 03/20/2013 | CN202808893U Fast air cooling system of vacuum gas quenching furnace |
| 03/20/2013 | CN202808892U Multi-furnace and one-bath type salt quenching heat treatment device |
| 03/20/2013 | CN202808891U Water cooling leakage box for steel ball quenching |
| 03/20/2013 | CN202808890U Oil cooling system of double-chamber vacuum oil quenching furnace |
| 03/20/2013 | CN202808889U Fume extractor with spring oil quenching tank |