Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
02/2008
02/07/2008US20080028877 Semispherical Shoe And Manufacturing Method Therefor
02/07/2008DE102007020027A1 Treated austenitic steel for vehicles, comprises non-metal chemical element incorporated into surface of steel to provided protection against hydrogen embrittlement
02/06/2008CN201016120Y Continuous three-chamber air cooling vacuum annealing oven
02/06/2008CN201016119Y Burner for inner-hole quenching
02/06/2008CN101120105A Method for producing quenched components consisting of sheet steel
02/06/2008CN101118797A Composite powder, magnetic powder core for magnetic powder and preparation method thereof
02/06/2008CN101117693A FeZrNdYB nano block alloy having hard magnetism and method for preparing same
02/06/2008CN101117690A Steel material for steam turbine final blade and heat treating process thereof
02/06/2008CN101117688A Novel stainless bearing steel and method for manufacturing same
02/06/2008CN101117687A Copper-carbon easy-cutting stainless steel and method for making same
02/06/2008CN101117683A High-performance hydrogen sulfide corrosion resistant oil drill rocker and its heat treatment process
02/06/2008CN101117659A Full-hydrogen hood-type annealing furnace control system
02/06/2008CN101117658A Feeding-discharging mechanism of vacuum annealing furnace
02/06/2008CN101117657A Bright annealing furnace
02/06/2008CN101117656A Upright quenching furnace
02/06/2008CN101117655A Method and device for lasing area modified gas protection in atmospheric environment
02/06/2008CN101117654A Machine tool guide rail broad band laser-quenching technique
02/06/2008CN101116935A Valve collet producing technology
02/06/2008CN100366934C Rolling, sliding part and process for producing same
02/06/2008CN100366764C Roller-hearth continuous quenching device
02/06/2008CN100366763C Roller heat-treatment processing device andmethod thereof
02/06/2008CN100366758C New technology for nodular cast iron crankshaft isothermal hardening
02/06/2008CN100366363C Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet
02/05/2008US7326306 Method for producing nitriding steel
01/2008
01/31/2008US20080023892 Device and Method for Heat Treating, in Particular, Metallic Workpieces
01/30/2008EP1883277A1 High efficiency induction melting system
01/30/2008EP1882049A1 Quenching fluid
01/30/2008CN101115859A High-concentration carburized/low-strain quenched member and process for producing the same
01/30/2008CN101113487A Annealing furnace roller surface peening coating and method for making same
01/30/2008CN100365241C Mechanical and electronic combined lock
01/24/2008WO2008010746A2 Method for laser and light heat treatment of metal materials at a controllable temperature changes
01/24/2008WO2007121074A3 Annealing of hot rolled steel coils with clam shell furnace
01/24/2008US20080018027 System for cooling shape-rolled rails
01/24/2008US20080017281 Method of hardening a surface of a golf club head
01/24/2008DE19506768B4 Laserstrahlbearbeitungsverfahren und Laserstrahlmaschine Laser beam machining method and laser beam machine
01/23/2008EP1432841B1 Method for heat-treating work pieces made of temperature-resistant steels
01/23/2008CN201010687Y On-line guenching unit used for solution heat treatment
01/23/2008CN201010678Y Moulding-die used for Gleason pressing machine
01/23/2008CN201010677Y Intermediate-frequency induction heat-treating device for lever parts with different wall thickness
01/23/2008CN201010676Y Continuous annealing furnace for rolled steel samples
01/23/2008CN201010675Y Continuous annealing oven heated air circulation mechanism
01/23/2008CN201010674Y Sprocket-type stepping beam conveyer
01/23/2008CN201010673Y Oil-economizing device of heat treating equipment
01/23/2008CN201010672Y Heating mechanism used for rail hardening of workpiece with rails
01/23/2008CN201010671Y Torch hardening gun for gas welding
01/23/2008CN101111614A Method for the production of a bearing ring for large-size rolling bearings
01/23/2008CN101109059A High resistivity high magnetic conduction martensite-ferrite diphasic stainless steel and thermal treatment technique thereof
01/23/2008CN101109057A <100> Fe-Ga magnetostriction material on axial orientation and method of preparing the same
01/23/2008CN101109041A Method of heating and controlling cabinet-type electric furnace
01/23/2008CN101109040A Automatic sorting system for iron shot hardening temperature
01/23/2008CN101109039A Rotation lifting mechanism in steel tube guenching device and steel tube transformation hardening method thereof
01/23/2008CN101109038A Thermal treatment technique for improving rigidity of integer manhole flange sealing surface
01/23/2008CN101109036A Discharging cooling material frame of thermal treatment
01/23/2008CN101109035A Thermal treatment technique of die steel XW42
01/23/2008CN101109034A Laser hardening ossifying technique of railway high speed heavy rail
01/23/2008CN101109033A Method of controlling photospheric facula position when laser hardening on side curved surface
01/23/2008CN101109032A Technique of laser hardening ossifying process of vehicle mold
01/23/2008CN101109031A Laser alloying strengthening technique for railway runway switch
01/23/2008CN100363525C Preparation method for casting wear-resistant high speed steel
01/23/2008CN100363512C Quenching apparatus for hollow structural component and quenching method
01/23/2008CN100363511C Manufacturing technology of ultra high strength oil pumping rod
01/22/2008CA2376845C Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation
01/22/2008CA2287048C Sealing apparatus in continuous heat-treatment furnace and sealing method
01/22/2008CA2261140C Metal reduction and melting process
01/17/2008WO2008007509A1 Process for producing track member, process for producing valve gear, and track member
01/17/2008WO2008006346A2 Method for production of a sheet metal semi-finished product suitable for press hardening
01/17/2008US20080011394 Thermodynamic metal treating apparatus and method
01/17/2008US20080011391 Method for Producing Wear-Resistant and Fatigue-Resistant Edge Layers in Titanium Alloys, and Components Produced Therewith
01/16/2008CN201006894Y Low pressure cement carbon hardening furnace firing space
01/16/2008CN201006888Y Immersion type steel roll primary heater unit
01/16/2008CN201006887Y Step axis parts single-circle semi-ring type intermediate frequency induction apparatus
01/16/2008CN201006886Y 水淬喷嘴可调装置 Water quenching adjustable nozzle device
01/16/2008CN201006885Y Steel tube water quenching double rows sprayer
01/16/2008CN101107368A Gas quenching cell for steel parts
01/16/2008CN101104922A Complex ion injection bearing vacuum tempering treatment method
01/16/2008CN101104908A Iron-base shape memory alloy locked key and its manufacturing and using method
01/16/2008CN101104906A Low-carbon bainite steel and preparation method thereof
01/16/2008CN101104226A Method for controlling revolving furnace shell connecting flange weld deformation
01/16/2008CN101104196A Method for manufacturing high chromium white wear-resistant cast iron
01/16/2008CN100362249C Power transmission shaft
01/10/2008WO2008004708A1 Method for manufacturing cast iron member, cast iron member, and engine for vehicle
01/10/2008WO2008004548A1 Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composition
01/10/2008WO2008003395A2 Method for manufacturing spheroidal cast iron mechanical components
01/10/2008US20080006350 Method and Device for the Deformation of Semi-Finished Material in Wire and Rod Form, Close to the Final Dimensions, as Well as a Flat Profile Produced Accordingly
01/10/2008US20080006346 Vacuum carburizing apparatus
01/10/2008DE102006031273A1 Method for hardening the surface of a component using a laser beam comprises forming a pattern of lines by partially hardening the surface so that the component has a structure reinforcement
01/09/2008EP1876256A1 Carburized induction-hardened component
01/09/2008CN201003063Y Enamel wire drawing machine and enamel wire annealing machine connection device
01/09/2008CN201003062Y Furnace roller pedestal
01/09/2008CN101103241A Heat treatment furnace and heat treatment facility comprising it
01/09/2008CN101103129A Method and arrangement for heating extended steel products
01/09/2008CN101103128A Heat treatment method in press-fit connection and connection structure by the press-fit connection
01/09/2008CN101103127A Manufacturing method of sliding member
01/09/2008CN101101869A Laser annealing apparatus and semiconductor device manufacturing method
01/09/2008CN101100727A Corrosion resisting alloy with higher density and high strength
01/09/2008CN101100726A Abrasive sheet material
01/09/2008CN101100723A Meta-bainite steel and application of the same in railway
01/09/2008CN101100704A Method for manufacturing wire drawing machine drum
01/09/2008CN101100703A Electron beam irradiating surface modifying device
01/09/2008CN100360690C Induction heating technique for internal spline of tubular part