Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
05/2011
05/25/2011CN201842868U Furnace door sealing device
05/25/2011CN201842867U Blast furnace oil spray wiping system on stainless steel annealing acid-washing production line
05/25/2011CN201842866U Stainless steel microfilament magnetic tension regulator
05/25/2011CN201842865U Straightening and quenching device for seamless steel pipe
05/25/2011CN201842862U Laser strengthening-laser texturing combined machine tool
05/25/2011CN1923412B High nickel austenite spheroidal graphite cast-iron gas exhaust branch pipe casting technique
05/25/2011CN102076874A A method for manufacturing a steel component, a weld seam, a welded steel component, and a bearing component
05/25/2011CN102072640A Muffle for tower furnace
05/25/2011CN102071361A Steel for high temperature resistant oil well tube and manufacturing method thereof
05/25/2011CN102071305A Heating furnace supporting beam and heat-resistant bearer fixing structure
05/25/2011CN102071304A Simplified water beam vaporization cooling system of steel-rolling stepping heating furnace
05/25/2011CN102071303A Strip threading method of strip steel in silicon steel continuous annealing drying furnace
05/25/2011CN102071302A Inlet seal structure of vertical bright annealing furnace
05/25/2011CN102071301A Ultra-deep hardness lowering method for effective hardened layer of gear with shallow carburized layer
05/25/2011CN102071300A Method for eliminating induction hardening crack of tubular part with end face tooth
05/25/2011CN102071299A Method for preparing high-performance nanocrystalline spring steel sheet
05/25/2011CN102071296A Improved grinding ball quenching bed
05/25/2011CN102071294A Device for preventing elongated piston rod from bending deformation during medium and high frequency quenching
05/25/2011CN102071293A Vertical bright annealing furnace
05/25/2011CN102071292A Cooling device for vertical bright annealing furnace
05/25/2011CN102071290A High-speed steel W18Cr4V die casting mould heat treatment process
05/25/2011CN102071289A Double-frequency surface quenching device
05/25/2011CN102069345A Method for manufacturing large-specification steel pipe retained mandrel
05/25/2011CN101812577B Method for reducing stress cracks of wheel blanks
05/25/2011CN101643833B Method for manufacturing rapid cooling spray box of annealing furnace of cold rolling vertical type continuous annealing machine set
05/25/2011CN101517113B Bend pipe and process for producing the same
05/25/2011CN101473051B Method of treating a crankshaft
05/25/2011CN101432450B Process for producing grain-oriented magnetic steel sheet with high magnetic flux density
05/25/2011CN101168797B Excellent carbon-steel on-line forecasting and tissue sorbitizing controlling method
05/25/2011CN101144138B Producing method of steel plate for low temperature pressure container and thereof
05/24/2011CA2537560C Hot rolled steel sheet and method for manufacturing the same
05/24/2011CA2427201C Method of manufacturing a blind threaded insert
05/19/2011WO2011057661A1 Component having areas of different ductility and method for producing a component
05/19/2011WO2011039419A3 Method for increasing natural requency of a steel plate component, and the steel plate component
05/19/2011US20110117693 Device and method for tempering objects in a treatment chamber
05/19/2011US20110114231 Steel filament patented in bismuth
05/19/2011US20110114228 Aluminum alloy extruded product exhibiting excellent surface properties, method of manufacturing the same, heat exchanger multi-port tube, and method of manufacturing heat exchanger including the multi-port tube
05/18/2011EP2322687A1 Method for carburizing steel components
05/18/2011EP2322678A1 Heavy austempered ductile iron components
05/18/2011EP2322673A2 Method and device for guiding the flow in industrial oven used in the thermoforming of metallic materials/workpieces
05/18/2011EP2322672A1 Heating device and heating method
05/18/2011EP1731777B1 Machine element
05/18/2011EP1541252B1 Uoe steel pipe with excellent crash resistance, and method of manufacturing the uoe steel pipe
05/18/2011CN201834955U Single-spindle industrial frequency heating furnace
05/18/2011CN201834954U Medium-drawn wire annealing machine
05/18/2011CN201834953U Electric heating device for annealing conducting wire
05/18/2011CN201834952U External roller changing device of roller hearth type steel plate heat treatment furnace
05/18/2011CN201834951U Steel belt direct-electrification continuous heating device of pressure plate electrode
05/18/2011CN201834950U Multifunctional same-furnace multi-band full-automatic production line for heat treatment of bimetallic band saw blade
05/18/2011CN201834949U Intermediate-frequency furnace for heating pipe fitting
05/18/2011CN201834948U Practical sealed fast-cooling chamber
05/18/2011CN201834947U Electric heating reflective drying channel
05/18/2011CN201834946U 环形吹水装置 Chit device ring
05/18/2011CN201834945U Whirl well type multifunctional energy-saving thermal treatment furnace
05/18/2011CN201834942U Transverse feeding high-frequency quenching mechanism
05/18/2011CN201834941U Medium-frequency single-gear manual quenching machine
05/18/2011CN201834940U Energy saving device for energy recycle and phosphoric acid coating removal of continuous heat treatment furnace
05/18/2011CN1970181B Metal sheet hot-rectification processing method
05/18/2011CN102066599A High-strength ultra-fine steel wire and manufacturing method therefor
05/18/2011CN102066586A Process for production of carburized part and steel part
05/18/2011CN102061995A Gas inlet cylinder of gas turbine and manufacturing process thereof
05/18/2011CN102061376A Clamping device of crankshaft vibration stress relief
05/18/2011CN102061375A Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires
05/18/2011CN102061374A Method for eliminating projection welding brittleness of high carbon steel
05/18/2011CN102061373A Heating-processing technology for improving mechanical property of high-intensity extra-thick plate
05/18/2011CN102061372A Quartz ceramic heating tool clamp and manufacturing method thereof
05/18/2011CN102061371A Machine tool for medium-high frequency quenching of any continuous curved surface
05/18/2011CN102061362A Method and device for strengthening fastening hole by shocking with ring laser
05/18/2011CN102059511A Production process of integral kelly stem
05/18/2011CN102059278A Full-automatic valve heating neck and stem straightener
05/18/2011CN102059270A Method for producing multi-purpose deformed channel steel
05/18/2011CN102059253A Integrated cast steel supporting roller
05/18/2011CN101660030B Large-scale split vertical spraying and quenching machine tool
05/18/2011CN101654732B Full-automatic production line for synchronous furnace multi-band bright quenching of bimetal band saw blades
05/18/2011CN101623700B Method for producing medium-carbon steel hot-rolled steel sheet
05/18/2011CN101115859B High-concentration carburized/low-strain quenched member and process for producing the same
05/18/2011CN101006189B Method of manufacturing a hardened forged steel component
05/17/2011USRE42360 Pearlitic steel rail having excellent wear resistance and method of producing the same
05/17/2011US7943083 Drum apparatus for treating slag
05/17/2011US7942981 Rotationally symmetrical hollow body made of a deformable permanently magnetic alloy and its use and production process
05/17/2011CA2423257C Cold-rolled aluminum-killed sheet steel and the manufacturing process for making packaging from this steel
05/12/2011WO2011056923A1 Seat structural component tailored for strength
05/12/2011WO2011055857A1 Electromagnetic steel sheet with semi-organic insulating coating film
05/12/2011WO2011055844A1 High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing same
05/12/2011WO2011054575A1 Process for producing components having regions of differing ductility
05/12/2011WO2011054332A2 Process for coating steel strips and coated steel strip
05/12/2011DE102009053197A1 Verfahren und Vorrichtung zum induktiven Härten großer ringförmiger Werkstücke Method and apparatus for the inductive hardening of large annular workpieces
05/12/2011CA2779886A1 High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet
05/11/2011EP2319945A2 Integrated metal processing facility
05/11/2011EP2319944A1 Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface
05/11/2011EP1776483B1 Hot rolled strip cooling device with coolant header
05/11/2011EP1731776B1 Bearing device for wheel
05/11/2011CN201826003U Continuous annealing-cooling system for copper wires
05/11/2011CN201826002U Continuous annealing water cooling tank for copper wires
05/11/2011CN201825991U Band steel water stain blowing device of continuous annealing unit
05/11/2011CN201825990U Continuous annealing cooling device for bright band steel
05/11/2011CN201825989U Jig for controlling heat treatment deformation
05/11/2011CN201825988U Horizontal type oil groove of main shaft of air blower for quenching
05/11/2011CN201825987U Novel sealing device for high-temperature resistant protective gas
05/11/2011CN201825986U Quenching machine tool for floating oil seal metal rings