| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 03/20/2013 | CN202808888U Constant-temperature quenching unit |
| 03/20/2013 | CN202808887U Improved vertical quench machining tool |
| 03/20/2013 | CN202808886U Conveniently-replaced continuous-heating quenching inductor |
| 03/20/2013 | CN202808885U Cooling air door of vacuum gas-quenching furnace |
| 03/20/2013 | CN202808884U Feeding and discharging device for vacuum oil-quenching furnace |
| 03/20/2013 | CN202808883U Control interface of vacuum gas quenching furnace |
| 03/20/2013 | CN202808882U Vertical high-pressure and high-flow-rate gas quenching vacuum furnace |
| 03/20/2013 | CN202808881U Follow-up intermediate-frequency inductor |
| 03/20/2013 | CN202808880U Vacuum oil quenching furnace for salt bath |
| 03/20/2013 | CN202808879U Vacuum gas-quenching furnace |
| 03/20/2013 | CN202808878U Automatic control system for quenching of vacuum gas-quenching furnaces |
| 03/20/2013 | CN202808877U Surface treatment device capable of simultaneously treating multiple copper alloy heat exchanger tubes |
| 03/20/2013 | CN202808876U Spheroidizing annealing furnace with better dedusting effect |
| 03/20/2013 | CN202808875U Numerical-control machine tool capable of quenching and tempering simultaneously at high frequency |
| 03/20/2013 | CN202808874U Vertical quenching machine tool with variable frequency motor with coupler |
| 03/20/2013 | CN202808873U Energy-saving heating furnace for aluminum bars |
| 03/20/2013 | CN202808872U Annular furnace heat treatment production line using multiple rings simultaneously |
| 03/20/2013 | CN202808871U On-line bright solid-melting furnace for welded pipe |
| 03/20/2013 | CN202808870U Aging furnace |
| 03/20/2013 | CN102985571A Method for producing ultra high strength member and use of ultra high strength member |
| 03/20/2013 | CN102985570A Method for producing a hot-formed and heat-treated steel component that is coated with a metal anti-corrosion coating from a sheet steel product |
| 03/20/2013 | CN102985569A Mechanical part made of steel having high properties and process for manufacturing same |
| 03/20/2013 | CN102982941A Wear-resisting neodymium-iron-boron permanent magnet material |
| 03/20/2013 | CN102982940A Neodymium-iron-boron permanent magnet material |
| 03/20/2013 | CN102979729A Pump structure of cam rotor pump |
| 03/20/2013 | CN102978635A Method for preventing annealing adhesion of cold-rolled sheet steel coils |
| 03/20/2013 | CN102978630A Carburizing and quenching process for power steering screw |
| 03/20/2013 | CN102978562A Low-carbon alloy steel carburizing technology |
| 03/20/2013 | CN102978534A Method for manufacturing high strength and high toughness alloy steel |
| 03/20/2013 | CN102978531A Excavator bucket tooth and preparation method thereof |
| 03/20/2013 | CN102978526A Alloy steel material for drill and preparation method |
| 03/20/2013 | CN102978522A Cam rotor pump rotor material and preparation method |
| 03/20/2013 | CN102978518A Rare earth wear-resisting alloy steel and production method thereof |
| 03/20/2013 | CN102978516A Excavator toothholder and preparation method thereof |
| 03/20/2013 | CN102978509A Casting-molding preparation method of regulating valve body |
| 03/20/2013 | CN102978367A Vertical muffle-free stainless steel continuous annealing furnace |
| 03/20/2013 | CN102978365A Heat treatment method of large reducing forming pipe die |
| 03/20/2013 | CN102978361A Thermal treatment process of Invar alloy |
| 03/20/2013 | CN102978360A Heat treatment process for QT850-5 nodular cast iron |
| 03/20/2013 | CN102978359A Variable-temperature circular treatment method of ultrafine C250 maraging steel grains |
| 03/20/2013 | CN102978358A Salt bath formula and application thereof as well as heat treatment method of high-strength steel weld joint |
| 03/20/2013 | CN102978357A Aqueous quenching agent for ultra-high carbon steel |
| 03/20/2013 | CN102978356A 淬火油再生方法 Quenching oil regeneration method |
| 03/20/2013 | CN102978355A Thermal annealing method for martensite stainless steel, and stainless steel manufactured therefrom |
| 03/20/2013 | CN102978354A Warning method for tension imbalance between rollers of tension roller unit in continuous annealing line |
| 03/20/2013 | CN102978353A Method for removing residual salt on surface of workpiece in salt-furnace heating quenching process |
| 03/20/2013 | CN102978352A Heat treatment method for improving impact toughness of 1Cr12Mo heat resistant steel |
| 03/20/2013 | CN102978351A Heat treatment method for improving toughness of steel |
| 03/20/2013 | CN102978350A Quenching method for alloy material |
| 03/20/2013 | CN102978349A Bright heat treatment method for 30CrMnSiA part |
| 03/20/2013 | CN102978348A Method for improving interfacial bond strength of copper/aluminum cold rolling composite ultrathin strip |
| 03/20/2013 | CN102978347A 退火炉 Annealing |
| 03/20/2013 | CN102978346A Quick synchronous lifting mechanism of vertical quenching furnace |
| 03/20/2013 | CN102974991A Manufacturing method for tool for machining heat treatment deformation circular-disc blade |
| 03/20/2013 | CN102974824A Method for preparing stator and rotor of homogeneous mixing pump |
| 03/20/2013 | CN102443706B Control method for surface cracks of P91 electroslag steel |
| 03/20/2013 | CN102417963B Sedan stabilizer bar-quenching mechanism |
| 03/20/2013 | CN102389960B Casting and heat treatment production method of mechanical concrete pump piping |
| 03/20/2013 | CN102363832B Production technology of finish-rolled ribbed bars |
| 03/20/2013 | CN102352462B Anchor rod rebar with high strength and high impact toughness and preparation method thereof |
| 03/20/2013 | CN102260830B Method for processing high-strength fastener and hot-treating process |
| 03/20/2013 | CN102234706B Method for refining grains of heavy forging steel of nuclear reactor evaporator |
| 03/20/2013 | CN102226254B High-strength high-toughness anticorrosion high-temperature bearing/pinion steel and preparation method thereof |
| 03/20/2013 | CN102212659B Composite machine set with functions of producing annealing plate and electric steel |
| 03/20/2013 | CN102174671B Thermal treatment production line of high-strength stirrup |
| 03/20/2013 | CN102086482B Continuous quenching cooling system for strip metal |
| 03/20/2013 | CN102016084B Heat treatment method for rolling bearing device for wheel and cooling device for inner shaft |
| 03/20/2013 | CN101760696B Anti-radiation alloy material |
| 03/14/2013 | WO2013034382A1 Device for heating and drying a good |
| 03/14/2013 | DE102012016718A1 Method for curing crank pin of crankshaft, involves hardening secondary region of crank pin inductively or by thermo-chemical process or by mechanical bonding process |
| 03/13/2013 | EP2567756A2 Device for applying a medium to an object and method for detecting variations of a spray jet |
| 03/13/2013 | CN202799226U Magnetic-field reinforcement device for workpiece end portion in induction heating process |
| 03/13/2013 | CN202792986U Movable door device for aluminum bar heat treatment air-ejecting and heating port |
| 03/13/2013 | CN202792938U Automatic feeding system of thermal treatment furnace |
| 03/13/2013 | CN202786362U HITT (high temperature and tight) single-coil stacking hood-type annealing furnace for thermal treatment of orientated electrical steel |
| 03/13/2013 | CN202786361U Novel continuous annealing furnace for copper belt used in solar photovoltaic welding strip |
| 03/13/2013 | CN202786360U Quench tempering device for linear metal material |
| 03/13/2013 | CN202786357U Annealing device for bearing cold-rolled steel strip |
| 03/13/2013 | CN202786353U Heat treatment tool for torsion bar spline |
| 03/13/2013 | CN202786351U Quenching tool for crane wheels |
| 03/13/2013 | CN202786350U Vertical quenching machine |
| 03/13/2013 | CN202786349U Elastic and automatic chuck |
| 03/13/2013 | CN202786348U Rotating device for water spraying in rotating shaft |
| 03/13/2013 | CN202786347U Rapid positioning device |
| 03/13/2013 | CN202786346U Hydraulic expansion-shrinkage assembled type combined die for quenching of ferrule type parts |
| 03/13/2013 | CN202786345U Carburizing and quenching support frame for transmission spiral bevel gear used in special freighter |
| 03/13/2013 | CN202786344U Portable quenching device |
| 03/13/2013 | CN202786343U Novel pressing mechanism in steel pipe water quenching device |
| 03/13/2013 | CN202786342U Forge piece heat treatment mechanical operation vehicle |
| 03/13/2013 | CN202786341U Quenching and condensing water jacket for extrusion aluminum-type materials |
| 03/13/2013 | CN202786340U Quenching mechanism for sprocket-wheel power drum |
| 03/13/2013 | CN202786339U Cantilever for induction hardening machine |
| 03/13/2013 | CN202786338U Gun-type atomizing gas quenching device |
| 03/13/2013 | CN202786337U Radiant tube heating device for furnace for heat treatment |
| 03/13/2013 | CN202786336U Lift type noble-metal thermocouple annealing device |
| 03/13/2013 | CN202786335U High-frequency induction continuous annealing line of precise steel pipe |
| 03/13/2013 | CN202786334U Quenching and cooling device |
| 03/13/2013 | CN202786333U Precision detecting device of rotary worktable |
| 03/13/2013 | CN202786332U Metal heat treatment equipment |
| 03/13/2013 | CN202786331U Leakage flux controller for controlling induction quenching leakage flux of workpiece groove |