| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/01/2009 | CN201214675Y Brilliant muffle outlet seal stopper |
| 04/01/2009 | CN201214674Y Roller-hearth type cylinder heat treatment device |
| 04/01/2009 | CN201214673Y Stepping cylinder heat treatment device |
| 04/01/2009 | CN101400818A Spring steel, method for producing a spring using said steel and a spring made from such steel |
| 04/01/2009 | CN101400817A Cold-rolled steel sheet, process for producing the same, and cell and process for producing the same |
| 04/01/2009 | CN101400816A High-strength hot rolled steel sheet having excellent composite moldability |
| 04/01/2009 | CN101400809A 滚动轴承 Rolling |
| 04/01/2009 | CN101400473A Method of bonding steel members, method of enhancing bonding strength of united object comprising steel members, steel product, and die-cast product |
| 04/01/2009 | CN101397629A High intensity variable section spring piece under high stress and method for producing the same |
| 04/01/2009 | CN101397603A Manufacturing method of metal mould |
| 04/01/2009 | CN101397602A Quenching apparatus for tool edge |
| 04/01/2009 | CN100474985C Coil for induction heating of a strip or another elongate metal workpiece |
| 04/01/2009 | CN100473865C Metal ring for metal belt |
| 04/01/2009 | CN100473763C Gear carburizing quenching process for heavy-duty automobile |
| 04/01/2009 | CN100473749C Heat treatment method for monocrystalline or directionally solidified structural components |
| 04/01/2009 | CN100473745C Oil well tube resisting stress corrosion of H2S and manufacture method thereof |
| 04/01/2009 | CN100473741C Soft tin-plate and making process thereof |
| 04/01/2009 | CN100473740C Soft tin-plate of hardness HR30T 51+/-3 and making process thereof |
| 04/01/2009 | CN100473737C Wear-resistant bainite cast steel liner plate and manufacture process thereof |
| 04/01/2009 | CN100473730C Steel tube excellent in exfoliating resistance for scale on inner surface of tube |
| 03/25/2009 | EP2039791A1 High-strength steel sheet and process for producing the same |
| 03/25/2009 | EP2039787A2 Tempering device for tempering objects |
| 03/25/2009 | EP2039786A1 Cooling method of steel pipe |
| 03/25/2009 | EP1900255B8 Induction furnace for treating electrically conductive strips, sheets, plates, and field winding therefor |
| 03/25/2009 | EP1805339A4 High strength cold rolled steel sheet having excellent shape freezability, and method for manufacturing the same |
| 03/25/2009 | EP1577407B1 Alloyed-molten-zinc-plated steel sheet with excellent processability and high strength and process for producing the same |
| 03/25/2009 | EP1452616B1 Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 03/25/2009 | EP1273670B1 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
| 03/25/2009 | CN201212052Y Slow cooling rate treatment device after bevel gear shaft end annealing |
| 03/25/2009 | CN201212051Y Automatic clamping device for saw blade substrate heat treatment |
| 03/25/2009 | CN201212050Y Size changing type heating furnace |
| 03/25/2009 | CN101395293A 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 weld |
| 03/25/2009 | CN101395284A Process for producing grain-oriented magnetic steel sheet with excellent magnetic property |
| 03/25/2009 | CN101394943A Process for producing high-Cr seamless pipe |
| 03/25/2009 | CN101392785A Method of manufacturing a blind threaded insert |
| 03/25/2009 | CN101392649A Antiwear laser strengthened pick and its processing method |
| 03/25/2009 | CN101392381A Surface treatment technology of cast iron grooved drum |
| 03/25/2009 | CN101392319A Heat processing furnace |
| 03/25/2009 | CN101392318A Method for spring sizing by using metal transition superplasticity |
| 03/25/2009 | CN101392317A Heat treatment method of 35CrMnSiA alloy constructional steel |
| 03/25/2009 | CN101392316A Quenching anti-deformation device |
| 03/25/2009 | CN101391338A Ferritic steel barrel butt-junction circular-seam hot-wire TIG multi-layer multipath welding method |
| 03/25/2009 | CN101391264A Technique method of thin middle plate continuous casting and rolling production |
| 03/25/2009 | CN100471982C Method for the production of dual phase sheet steel |
| 03/25/2009 | CN100471980C Method and apparatus for producing hot dip plated metallic strip |
| 03/25/2009 | CN100471972C High strength steel plate excellent in formability and method for production thereof |
| 03/25/2009 | CN100471961C Method for preventing band-break during continuous annealing process of band steel and its control system |
| 03/25/2009 | CN100471617C Making process of antiseep shell-and-tube heat exchanger ortube-on-sheet heat exchanger |
| 03/25/2009 | CN100471587C Themo-mechatronic system and thermo-electromechanical process method for prefabricating strips |
| 03/24/2009 | US7507307 excellent in stretch-flangeability and spot-weldability; weight reduction of automobile; continuous annealing; suppression of transformation of austenite into ferrite |
| 03/19/2009 | WO2009035408A1 Device and method for heating a metal material |
| 03/19/2009 | WO2009035120A1 High-strength steel sheet for can manufacturing and process for manufaturing the sheet |
| 03/19/2009 | WO2009034250A1 Method for producing steel sheets having high resistance and ductility characteristics, and sheets thus obtained |
| 03/19/2009 | WO2009034243A1 Combined annealing and galvanisation line and method for converting a continuous annealing line into such combined line |
| 03/19/2009 | WO2009033527A1 Method and device for hardening profiles |
| 03/19/2009 | WO2009013410A3 Device for limiting the combustion fume exhaust at the entrance of a furnace for reheating iron and steel products |
| 03/19/2009 | WO2008127084A4 A seamless steel tube for work-over riser and method of manufacturing |
| 03/19/2009 | US20090073815 Device and a method of manufacturing a housing material |
| 03/19/2009 | US20090073743 Method of Manufacturing a Memory Cell, Memory Cell, Integrated Circuit, and Memory Module |
| 03/19/2009 | US20090071580 Method of heat treating a superalloy component and an alloy component |
| 03/19/2009 | CA2694069A1 Method for producing steel sheets having high resistance and ductility characteristics, and sheets thus obtained |
| 03/18/2009 | EP2037337A1 A device and a method of manufacturing a housing material |
| 03/18/2009 | EP2036995A1 High-strength steel pipe with excellent low-temperature toughness for line pipe, high-strength steel plate for line pipe, and processes for producing these |
| 03/18/2009 | EP2036994A1 Cr-CONTAINING STEEL EXCELLENT IN THERMAL FATIGUE CHARACTERISTICS |
| 03/18/2009 | EP2035588A1 Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere. |
| 03/18/2009 | EP2000552A9 Hot-rolled ultrasoft high-carbon steel plate and process for production thereof |
| 03/18/2009 | EP1400603B1 Crawler bushing and method and device for producing the same |
| 03/18/2009 | CN201209159Y Band steel jet cooling device |
| 03/18/2009 | CN201209158Y Stainless steel band vertical continuous muffle less bright annealing equipment |
| 03/18/2009 | CN201209157Y Adjustable balanced counterweight apparatus |
| 03/18/2009 | CN201209156Y Continuous steel tube jet cooling hardening machine |
| 03/18/2009 | CN201209155Y Supporting structure |
| 03/18/2009 | CN201209154Y Tunnel type continuous heat treating furnace |
| 03/18/2009 | CN201209153Y Vacuum quick hardening furnace for preparing ultrathin belt material |
| 03/18/2009 | CN101389878A Clutch member and process for manufacturing the same |
| 03/18/2009 | CN101389781A High-strength stainless steel spring and method of manufacturing the same |
| 03/18/2009 | CN101389780A Damping alloy sheet and process for producing the same |
| 03/18/2009 | CN101389779A Damping alloy sheet and process for producing the same |
| 03/18/2009 | CN101389778A Wire with excellent suitability for drawing and process for producing the same |
| 03/18/2009 | CN101389417A Method of heating control in steel sheet production line and apparatus therefor |
| 03/18/2009 | CN101386991A Composite heat treating method for improving bearing service life |
| 03/18/2009 | CN101386953A A device and a method of manufacturing a housing material |
| 03/18/2009 | CN101386907A Homogeneous cooling apparatus for metal valve heat treatment |
| 03/18/2009 | CN101386904A Marine cylinder liner isothermal quench bainite technology |
| 03/18/2009 | CN101386133A Cold rolling ribbed bar continuous production device |
| 03/18/2009 | CN101386132A Ball separation mechanism of steel ball processor |
| 03/18/2009 | CN101386126A Production method of stainless steel band for electric thin shrapnel |
| 03/18/2009 | CN101386124A Medium and heavy plate production technique and special production line thereof |
| 03/18/2009 | CN101386054A Forging technique of 1000MW nuclear power plant steam turbine low-pressure rotor |
| 03/18/2009 | CN101386037A Treatment technique of 1010 steel for bearing ring |
| 03/18/2009 | CN101386029A Composite roll mixed with reinforcement cast iron base and manufacture method thereof |
| 03/18/2009 | CN101386024A Stainless steel band production method for mobile telephone |
| 03/18/2009 | CN100470187C Method for determining the wall thickness of a metal tube |
| 03/18/2009 | CN100469935C CSP production process for hot-galvanizing-baking hardened steel sheet |
| 03/18/2009 | CN100469902C Deformation controlling method for sheet material in continuous heat treatment |
| 03/18/2009 | CN100469901C Saw blade basal body pressurization backfire arrangement |
| 03/18/2009 | CN100469517C Method for preparing copper and nickel alloy seamless copper tube |
| 03/17/2009 | CA2314830C Process for the production of thin trip-steel strips and thin strips obtained using such a process |
| 03/12/2009 | WO2009032434A1 Furnace configured for use in both the galvannealing and galvanization of a metal strip |
| 03/12/2009 | WO2009030823A1 Controlled method and device for oxidation/reduction of the surface of a steel strip running continuously through a radiant tube oven for galvanisation thereof |