| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 06/11/2008 | CN101195854A High temperature short time ageing effect technique for beryllium bronze manufactured volute heilical spring |
| 06/11/2008 | CN101195853A Heating method for preventing high carbon belt steel bloom decarburization |
| 06/11/2008 | CN101195134A Method for the production of heat-exchange tubes |
| 06/11/2008 | CN101195124A Method for tandem rolling steel flat for automobile beam |
| 06/11/2008 | CN100394075C Method for processing gear ring blank for automobile synchronizer |
| 06/11/2008 | CN100394067C Pin for chain and method for manufacture thereof |
| 06/10/2008 | US7384489 A first protective gas atmosphere containing nitrogen and hydrogen and/or helium is established in all but one cooling zone that has a second protective atmosphere containing nitrogen and more hydrogen that the other zones; gas flow control |
| 06/10/2008 | US7384488 Method for producing gears and/or shaft components with superior bending fatigue strength and pitting fatigue life from conventional alloy steels |
| 06/05/2008 | WO2008065557A2 Method and plant for heat treatment of metallic elements |
| 06/05/2008 | US20080131305 Metal structure of a ferrite phase and a hard second phase dispersed in the ferrite phase; high strength with fast deformation, high absorption characteristics of impact energy, high workability; automobiles |
| 06/05/2008 | US20080128057 Valve springs; rotatingly driving and guiding through an alternating electro-magnetic field; subsequent hardening by quenching and tempering |
| 06/05/2008 | DE102007012180B3 Heat treating method for semi-finished steel products is carried out in continuous furnace, semi-finished product being passed into first zone and then moved so that section of it is in second zone at a different temperature from first |
| 06/04/2008 | EP1927668A2 Restoration method for deteriorated part and restoration apparatus for deteriorated part |
| 06/04/2008 | EP1926837A1 Process for manufacturing cold-formed precision steel pipes |
| 06/04/2008 | CN201068466Y Steel coil pre-heating device |
| 06/04/2008 | CN201068465Y Coal electricity double energy source stainless steel band annealing stove for keeping brightness |
| 06/04/2008 | CN201068464Y Cover-type annealing furnace inner cover for coiled steel strip heat treatment |
| 06/04/2008 | CN101194038A Oil well pipe for expandable-tube use excellent in toughness after pipe expansion and process for producing the same |
| 06/04/2008 | CN101193278A Electronic interference resisting device for image enhancement processing in steel pipe temper furnace |
| 06/04/2008 | CN101191181A Alloy steel for gear wheel and preparation method thereof |
| 06/04/2008 | CN101190493A Method for preparing solid borer for pile driving |
| 06/04/2008 | CN101190491A Rolling controlling method and device for double-roller continuous casting magnesium alloy sheet |
| 06/04/2008 | CN101190446A Method for manufacturing super-long titanium or titanium alloy tube |
| 06/04/2008 | CN101190443A Method for manufacturing super-long titanium or titanium alloy tube |
| 06/04/2008 | CN100392135C Ultra-high strength strip steel and its production process |
| 06/04/2008 | CN100392131C Hot rolled steel sheet for working and its manufacturing method |
| 06/04/2008 | CN100392120C Subcritical steam turbine bolting steel fine grain processing method |
| 06/04/2008 | CN100392119C Annealing frame |
| 06/04/2008 | CN100392118C Duplex stainless steels |
| 06/04/2008 | CN100391689C Method for manufacturing prestress ground tackle clamping piece by hot extrusion |
| 06/03/2008 | US7381364 Gas jet cooling device |
| 06/03/2008 | CA2479031C Method and apparatus for producing hot-dip plated metal strip |
| 05/29/2008 | WO2008062901A1 Steel plate having high gathering degree of {222} plane and process for production thereof |
| 05/29/2008 | WO2008062853A1 Unidirectionally grain oriented electromagnetic steel sheet having excellent film adhesion, and method for manufacturing the same |
| 05/29/2008 | WO2008062650A1 Surface-treated stainless-steel sheet excellent in salt damage/corrosion resistance and weld reliability for automotive fuel tank and for automotive fuel pipe and surface-treated stainless-steel welded pipe with excellent suitability for pipe expansion processing for automotive petrol pipe |
| 05/29/2008 | WO2008061722A1 Method and apparatus for the heat treatment of welds |
| 05/29/2008 | US20080121318 Method for producing seamless steel pipe |
| 05/29/2008 | DE102006054928A1 Procedure for inductive hardening of metallic workpieces such as chain links, rail and switch elements, comprises adding para- or ferromagnetic workpieces to the workpiece and moving an inductor along the workpiece for hardening |
| 05/29/2008 | CA2636327A1 Surface treated stainless steel sheet for automobile fuel tank and for automobile fuel pipe with excellent salt corrosion resistance and weld zone reliability and surface treated stainless steel welded pipe for automobile fuel inlet pipe excellent in pipe expandability |
| 05/28/2008 | EP1733062B1 Method for producing a component by reshaping a plate, and device for carrying out said method |
| 05/28/2008 | EP1485509B1 Method for cooling metal strips or plates and cooling device |
| 05/28/2008 | CN201065425Y Device for making steel belt of continuous annealing furnace suspending |
| 05/28/2008 | CN201065424Y Low voltage great current softening furnace |
| 05/28/2008 | CN201065423Y Rotary table type cooling device for grinding ball |
| 05/28/2008 | CN201065422Y Self-tempering box for grinding ball |
| 05/28/2008 | CN201065420Y Quenching device in steel pipe groove |
| 05/28/2008 | CN201065419Y Roller barrel type coal gas quenching furnace |
| 05/28/2008 | CN101189350A Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening |
| 05/28/2008 | CN101187441A Super-pressure hydrogen cylinder manufacture method |
| 05/28/2008 | CN101187314A Exhaust guide assembly for variable giometry shape turbocharger with improved high-temperature endurance |
| 05/28/2008 | CN101187295A Super high intensity anti-corrosion pumping rod production method |
| 05/28/2008 | CN101187294A Super H grade pumping rod |
| 05/28/2008 | CN101187292A Supercritical heat-insulated oil pipe production method |
| 05/28/2008 | CN101186993A Hydrogen embrittlement resistant roller and method for preparing same |
| 05/28/2008 | CN101186966A Hood-type annealing furnace self-adapting control method |
| 05/28/2008 | CN101186965A GCr15 steel bearing collar bainite isothermal quenching technique |
| 05/28/2008 | CN101186964A Spring slapping equipment for high speed packaging machine |
| 05/28/2008 | CN101186963A Heat treatment technique of high strength anchor bolt for extra-high voltage transmission line rod tower |
| 05/28/2008 | CN101186962A Technique for induction heating steel rod tempering heat treatment |
| 05/28/2008 | CN101186961A Well type heat treatment device |
| 05/28/2008 | CN101185997A Method for manufacturing aluminum alloy seamless flux-cored wire |
| 05/28/2008 | CN100390306C Metal-coated strip |
| 05/28/2008 | CN100390305C Deep cooling treatment method of high speed steel tool |
| 05/22/2008 | WO2008059759A1 Method for quenching steel product |
| 05/22/2008 | WO2008059540A1 Method for construction of leather- splitting machine parts |
| 05/22/2008 | WO2008058986A1 Annealing and pickling process |
| 05/22/2008 | WO2008058874A1 Device and method for cooling material to be cooled |
| 05/22/2008 | US20080118390 High-Stiffness High-Strength Thin Steel Sheet and Method For Producing the Same |
| 05/22/2008 | US20080115863 Method for improving the performance of seam-welded joints using post-weld heat treatment |
| 05/21/2008 | EP1922742A2 Method for bonding titanium based mesh to a titanium based substrate |
| 05/21/2008 | CN201063500Y Furnace stage motor coil cooling structure for bell furnace |
| 05/21/2008 | CN101184860A Carburized induction-hardened component |
| 05/21/2008 | CN101182984A Hot rolling bar plate scythes bend and bias-running online detection method |
| 05/21/2008 | CN101182757A Sidetracking petroleum case pipe for petroleum natural gas mining industry and production process thereof |
| 05/21/2008 | CN101182621A High intensity corrosion resistant antibiotic type stainless steel wire and mfg. process for brassieres and manufacturing method thereof |
| 05/21/2008 | CN101182617A Middle high manganese steel sieve plate for sorting stone material and its making method |
| 05/21/2008 | CN101182593A Gas stove outer circulation cooling method of double chamber atmosphere pressure hardening furnace and cooling system thereof |
| 05/21/2008 | CN101181773A Method for preparing tantalum long-strip having high deep-punching performance and high grain fineness grade |
| 05/21/2008 | CN101181764A Build-up welding process for low-alloy cast iron valve body sealing surface |
| 05/21/2008 | CN101181718A Method for producing wide strip steel by bar strip continuous casting and rolling as well as system therefor |
| 05/21/2008 | CN100389211C Heat treatment device used for gear forging |
| 05/20/2008 | US7374624 Vertical plate dip quench |
| 05/20/2008 | US7374622 enhanced strength and wear resistance; suitable for railway and tramway structures; chrome-nickel-molybdenum steel suitable for frogs (intersecting point of a railway switch); casting, austempering |
| 05/15/2008 | WO2008058032A1 Heat treatment of inlaid pressure vessels |
| 05/15/2008 | WO2008056812A1 High young's modulus steel plate and process for production thereof |
| 05/15/2008 | WO2008055850A1 Device for the suspended guidance of strip-shaped material |
| 05/15/2008 | WO2008031937A3 Method of reheating in a furnace using a fuel of low calorific power, and furnace using this method |
| 05/15/2008 | WO2008009009A3 Rod or wire heat treatment system, related methods, and related products |
| 05/15/2008 | US20080110533 Non heat treated; high toughness and having preferable weldability; rolling is completed without lowering temperature during manufacturing process; precipitates are fine because of no reheating; low carbon; tensile strength is not less than 640 Mpa and the yield stress is not less than 490 Mpa |
| 05/15/2008 | DE102006053384A1 Centering device for induction thermal treatment plant for welding process, comprises reception element, in which center reception is formed for receiving workpiece to be subjected to induction thermal treatment, and coolant channel |
| 05/14/2008 | EP1921172A1 Method for production of steel material having excellent scale detachment property, and steel wire material having excellent scale detachment property |
| 05/14/2008 | EP1651788B1 Method of Quenching a Cast Part |
| 05/14/2008 | EP1641321B1 Method and device for thin plate article induction heating, and thin plate article |
| 05/14/2008 | EP1306456B1 Cold rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production |
| 05/14/2008 | CN201058885Y Roller of roller-hearth treatment furnace |
| 05/14/2008 | CN201058884Y Spray quenching device of mid frequency induction heat treatment system for steel pipe, oil well tube and drill rod |
| 05/14/2008 | CN201058883Y Detearing bench of mid frequency induction heat treatment system for steel pipe, oil well tube and drill rod |
| 05/14/2008 | CN201058882Y Heating roller way of mid frequency induction heat treatment system for steel pipe, oil well tube and drill rod |
| 05/14/2008 | CN201058881Y Elastic chuck heat-treatment apparatus |
| 05/14/2008 | CN201058880Y Steel ingot annealing hood |