Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
09/2010
09/01/2010CN201569276U Annealing silencer for copper large wire drawing machine
09/01/2010CN201569254U Water pursing device of preprocessing filament plate strip
09/01/2010CN201568980U Reeling furnace smoke-discharging pipe bend and reeling furnace smoke-discharging tube
09/01/2010CN201567357U Gas pipe automatic joint for full-hydrogen hood-type annealing furnace
09/01/2010CN201567356U Mounting clamp for furnace top cover of annealing furnace
09/01/2010CN201567355U Rotary-type ring piece heat treatment rapid air-cooling device
09/01/2010CN201567354U Middle furnace door of multi-position heat treatment furnace
09/01/2010CN201567353U Multi-position heat treatment furnace
09/01/2010CN201567352U Steel bottle heat-treatment production line
09/01/2010CN1950619B Ball element for two-part ball pivot and corresponding method of production
09/01/2010CN101821419A High-strength hot-dip zinc plated steel sheet excellent in workability and process for manufacturing the same
09/01/2010CN101821418A Non-oriented electromagnetic steel plate having low high-frequency iron loss and process for producing the non-oriented electromagnetic steel plate
09/01/2010CN101821414A Treatment of railway wheels
09/01/2010CN101818305A Cu-containing steel product of excellent surface property and process for producing the same
09/01/2010CN101818243A Emergency blowout control method for large slab heating furnace
09/01/2010CN101818242A High-temperature furnace roller adopting air cooling technology
09/01/2010CN101818241A Heat treatment method of steel bar
09/01/2010CN101818240A Thermal processing method for medium carbon silicon manganese low alloy steel railway wheel
09/01/2010CN101818239A Railway wheel heat treatment heating furnace and heat treatment process thereof
09/01/2010CN101818238A Roller-hearth solution furnace
09/01/2010CN101818237A Device for clamping and rotating steel tube
09/01/2010CN101818236A Method for manufacturing high carbon steel wheel
09/01/2010CN101818233A Process for quenching die-cutting rule band steel for printing
09/01/2010CN101817017A Precision forming method of ultrathin stainless steel substrate for flexible product, obtained substrate and application thereof
09/01/2010CN101817015A Method for rolling and molding low-oxygen content aero titanium alloy precision sheet
09/01/2010CN101596553B High speed steel roll collar applied to high speed wire rolling mill and manufacture method thereof
09/01/2010CN101503752B Linear translation relative transmission method for a pair of moving air chests and transmission mechanism
09/01/2010CN101487077B Isothermal normalizing method for alloy carburizing steel gear and forging shaft for wind power generator
09/01/2010CN101407891B Boron-containing semi-high speed steel cold roller and manufacturing method thereof
09/01/2010CN101386037B Treatment technique of 1010 steel for bearing ring
09/01/2010CN101358275B Upper layer heat exchange type continuous annealing furnace
09/01/2010CN101249522B Production method of oval-shaped posted sides micropore copper pipe
09/01/2010CN101056721B Method for producing metal
08/2010
08/31/2010US7785428 Method of forming a hardened surface on a substrate
08/26/2010WO2010095354A1 Pearlitic rail with excellent wear resistance and toughness
08/26/2010WO2010095032A1 Pre-heating device for objects, in particular aluminum extrusions, rods or bolts and a system having said pre-heating device
08/26/2010WO2010094891A1 Method for processing parts for kitchen tools
08/26/2010WO2010094735A2 Quenching machine and method for fixture quenching by induction
08/26/2010WO2010094716A1 Transport roller having end caps
08/26/2010US20100213647 Process and installation for heating a metallic strip, notably for an annealing
08/26/2010US20100212786 High-Strength Steel Wire Excellent In Ductility and Method of Manufacturing the Same
08/26/2010DE102009009407A1 Method for operating a heat treatment plant for a heat treatment material introduced in the plant, comprises heating the heat treatment material in the plant and cooling by treatment temperature in upper temperature range in the plant
08/26/2010CA2752318A1 Pearlitic rail with excellent wear resistance and toughness
08/25/2010EP2221392A1 Steel pile having excellent enlarging properties, and method for production thereof
08/25/2010EP2221389A1 Method of heat-treating steel, process for producing machine part, and machine part
08/25/2010EP2220259A1 Method for the production of coated and hardened components made of steel, and coated and hardenable steel strip therefor
08/25/2010EP1377125B1 Heat insulating board of induction heating apparatus
08/25/2010CN201561658U Steam exhaustion and waste drainage device of heating furnace water cooling system
08/25/2010CN201561636U Muffle furnace for tower type furnace
08/25/2010CN201560224U Brush roll lifting device
08/25/2010CN201560223U Gear simultaneous double-frequency induction quenching power supply
08/25/2010CN201560222U Pressure quenching machine tool for workpieces such as thin-wall covers
08/25/2010CN201560215U Inlet sealing structure of vertical bright annealing furnace
08/25/2010CN201560214U Vertical bright annealing furnace
08/25/2010CN201560213U Cooling device of a vertical bright anneal furnace
08/25/2010CN201560212U Annealing machine having major diameter
08/25/2010CN201560210U Pedal universal joint replica sensor
08/25/2010CN101815803A Duplex stainless steel wire material, steel wire, bolt, and method for production of the bolt
08/25/2010CN101815798A Intermediate piece for connecting manganese steel molded bodies with carbon steel and method for connecting manganese high-carbon steel cast parts to control rails
08/25/2010CN101812652A Method for heating titanium blank by using continuous heating furnace
08/25/2010CN101812646A High-speed steel alloy casting process used for roll
08/25/2010CN101812645A Ring forge piece material of wind power rotary supporting ring and ring forge piece manufacturing technology thereof
08/25/2010CN101812638A Expansion pipe and method for preparing same
08/25/2010CN101812631A Steel for expandable casing for oil well and manufacturing method thereof
08/25/2010CN101812584A Method for blowing hydrogen in cover annealing
08/25/2010CN101812583A Metal wire induction heating and annealing device
08/25/2010CN101812582A Steel wire heat processing naked-flame furnace
08/25/2010CN101812581A Method for analysis and on-line monitoring of vibration performance of band steel in continuous annealing unit furnace
08/25/2010CN101812580A Roll collar of furnace roller of roller hearth heating furnace
08/25/2010CN101812579A Flexible strip steel treating line suitable for producing various high-strength steel
08/25/2010CN101812578A Flexible strip processing line suitable for producing various high-strength steel
08/25/2010CN101812577A Method for reducing stress cracks of wheel blanks
08/25/2010CN101812576A Heat treatment process of 1Cr13 thick-wall tubing
08/25/2010CN101812575A Alloy tube containing 13 to 19 percent of manganese and preparation method thereof
08/25/2010CN101812574A Novel jet quick freezing device for steel pipe roller-hearth furnace
08/25/2010CN101812573A Gas-heated multipurpose roller hearth furnace
08/25/2010CN101812572A Vacuum heat expansion forming process of rotor shielding sleeve of nuclear main pump
08/25/2010CN101812571A Method for preventing internal oxidation layer in normalization treatment of electrical hot-rolled strip steel
08/25/2010CN101811248A Method for welding and performing heat treatment on woodworking plane edge
08/25/2010CN101811246A Production method of wind tower flange deformed ring forging
08/25/2010CN101811076A Composite toothed plate and casting method thereof
08/25/2010CN101492786B Method for producing non-oriented silicon steel
08/25/2010CN101466852B Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere
08/25/2010CN101440426B Surface quenching heat treatment method for railway wagon heavy duty vehicle coupler body and drawbar terminal pin hole
08/25/2010CN101239430B Technique for manufacturing flux-cored wire from disk round steel wire bar
08/25/2010CN101186965B GCr15 steel bearing collar bainite isothermal quenching technique
08/24/2010US7780800 air cooling after hot rolling steel, tempering
08/24/2010US7779661 Cooling apparatus for a hot rolled steel strip and methods for cooling a hot rolled steel strip
08/24/2010CA2444399C Method for enhancing the metallurgical quality of products treated in a furnace
08/19/2010WO2010093034A1 Method for producing metal tube
08/19/2010WO2010092992A1 Steel for high-strength vehicle stabilizer with excellent corrosion resistance and low-temperature toughness, and process for the production of same, and stabilizer
08/19/2010WO2010092173A1 Method for producing a cylindrical hollow body having a low wall thickness, in particular a hollow shaft
08/19/2010US20100207305 System for cooling shape-rolled rails
08/19/2010DE102009008695A1 Anordnung, Erzeugnis und Verfahren zur Befestigung eines Kontaktrohres auf einer Welle einer Drahtdurchlauf-Widerstandsglühe Arrangement, product and method for attaching a contact tube on a shaft of a wire passing-Widerstandsglühe
08/19/2010CA2750014A1 Method for manufacturing metal pipe
08/18/2010EP2218801A1 Steel plate with yield strength of 800mpa grade and low weld cracking sensitivity, and manufacture method thereof
08/18/2010EP2218799A1 Carbonitrided induction-hardened steel part with excellent rolling contact fatigue strength at high temperature and process for producing the same
08/18/2010EP2217733A1 Process for hardening groove flanks of the annular groove of a steel piston by means of a laser beam
08/18/2010EP1712650B1 Use of a material for a storage cell casing
08/18/2010CN201555421U Simple welded pipe drying device