Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
10/2008
10/15/2008CN101287851A Oil-tempered wire and process for producing the same
10/15/2008CN101285648A Circular ring -type continuous calcining annealing hearth
10/15/2008CN101285154A Iron-chromium-cobalt permanent magnetic alloy compounding vanadium and tungsten and deformation processing technology thereof
10/15/2008CN101285153A Fire-resistant steel fire-resistant seamless steel pipe and production method thereof
10/15/2008CN101285152A A ferritic stainless steel wire and wire rod excellent in corrosion resistance, cold-rolling ability and toughness having reduced surface defects and magnetic property
10/15/2008CN101285115A Nitrogen protection device for annealing of metal drawing wire
10/15/2008CN101285114A Cooling method of high strength band steel and device
10/15/2008CN101285113A Control method for quenching buckling distortion of elongated metal shear-blade
10/15/2008CN100425879C Method of manufacturing rotating body of torque converter and rotating body of torque converter manufactured by the manufacturing method
10/15/2008CN100425736C High carbon chromium bearing parts surface chemical heat-treatment process
10/15/2008CN100425723C Rolling bearing
10/15/2008CN100425709C Integral quenching type land leveller blade manufacturing method and quenching die
10/15/2008CN100425708C Concrete conveying pipe production process
10/15/2008CN100425571C Graphite sleeves of rollers at furnace bottom and their dipping process and special apparatus thereof
10/15/2008CN100425387C Method for producing welding materials by using offcut of steel plate
10/14/2008US7435307 Fe-Ni based permalloy and method of producing the same and cast slab
10/14/2008US7435008 Vehicle pinion shaft support system
10/14/2008US7434437 Method of making a metallic thin wire for a medical tool
10/14/2008CA2454815C Composite utility knife blade, and method of making such a blade
10/09/2008WO2008121671A2 Vertical heat treatment system
10/09/2008WO2008120622A1 Residual stress improving device of tubular body
10/09/2008WO2008120483A1 Swash plate type piston pump motor and method for manufacturing the same
10/09/2008WO2008120409A1 Ferritic stainless steel for warm-water vessel with welded structure, and warm-water vessel
10/09/2008US20080247903 Method for Making an Abrasion-Resistant Steel Plate and Plate Obtained
10/09/2008US20080244892 starter head shaft comprising a starter pinion mounted so as to slide axially on the starter head shaft, between a rear idle position and a front working position
10/09/2008DE202008010215U1 Industrieofen wie Mehrkammer-Vakuumofen, insbesondere Zweikammer-Vakuumofen zur Wärmebehandlung von Chargen metallischer Werkstücke Industrial furnace as multi-chamber vacuum furnace, especially two-chamber vacuum furnace for heat treatment of batches of metal workpieces
10/08/2008EP1978124A1 Forging steel, forging and crankshaft
10/08/2008EP1978122A1 Damping alloy sheet and process for producing the same
10/08/2008EP1978113A1 High-strength galvannealed sheet steels excellent in powdering resistance and process for production of the same
10/08/2008EP1978112A1 Systems and methods for providing localized heat treatment of gas turbine components
10/08/2008EP1977020A1 Process and apparatus for hardening a workpiece which describes a closed curve
10/08/2008EP1729889B1 Device for painting and drying of endless materials
10/08/2008EP1584701B1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them
10/08/2008CN201129928Y Material pulling hook for furnace
10/08/2008CN201128748Y Rollin device of steckel mill
10/08/2008CN201128747Y Novel constant temperature oil bath furnace
10/08/2008CN201128746Y Roller hearth type steel bottle heat treatment production line using computer monitoring system
10/08/2008CN101283111A Steel material and process for producing the same
10/08/2008CN101283109A Process for manufacturing roller shell of lower running body of construction machine
10/08/2008CN101280799A Method for producing high strength nut
10/08/2008CN101280391A High-strength tough hydraulic prop seamless steel pipe
10/08/2008CN101280385A Manufacturing process of boiler tube for hydrocracking unit
10/08/2008CN101280382A Globe mill austenitic-bainitic nodular cast iron grinding ball and manufacturing method thereof
10/08/2008CN101280353A Hardness heat treatment quenching process for center of steel ball specifically for wind generating equipment
10/08/2008CN101279330A Method for producing hot rolling two-phase steel plate at 700MPa level of tensile strength
10/08/2008CN100424379C Metal push belt, transverse element and manufacturing method
10/08/2008CN100424214C High-chromium cast steel milling ball, and its preparing method
10/08/2008CN100424195C Heat treatment process of sulfur resistant drill pipe joint
10/08/2008CN100424194C Process and device for cooling a moving metallic strip
10/07/2008US7431779 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces
10/07/2008CA2325100C Looper
10/02/2008WO2008117721A1 Process for producing bend pipe for line pipe and bend pipe for line pipe
10/02/2008US20080237943 Arrangement and a Method For Heating Metal Objects
10/02/2008US20080236237 Method of making a metallic thin wire for a medical tool
10/02/2008US20080236235 Heat-Treatment Apparatus for Steel Plate and Manufacturing Line of Steel Plate Having the Heat-Treatment Apparatus
10/02/2008DE10352182B4 Verfahren zur Herstellung eines dünnwandigen Stahlgußbauteils aus Edelstahl A process for producing a thin-walled stainless steel Stahlgußbauteils
10/01/2008EP1975268A1 Cold-rolled steel sheet and method for manufacture thereof
10/01/2008EP1975266A1 Ultrahigh-strength steel sheet
10/01/2008EP1974065A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it
10/01/2008CN201125260Y Rotating lifting mechanism in steel tube quenching device
10/01/2008CN201125259Y Roller underlying type cylinder continuous heat treating production line
10/01/2008CN201125258Y Gas protecting heat processing furnace
10/01/2008CN201125257Y Quenching machine tool
10/01/2008CN201125256Y Local induced surface hardening coil detecting device of rocker shaft series parts
10/01/2008CN101278066A Cold-rolled steel plate with excellent bake hardening performance and normal temperature defer aging and manufacturing method thereof
10/01/2008CN101275207A H2S-corrosion-resistant tool joint for petroleum drill pipe and hot treatment method thereof
10/01/2008CN101275179A Heat treatment process for automobile drive axle housing
10/01/2008CN101275178A Gear quenching shielding liquid-blocking device
10/01/2008CN101274497A Hot galvanizing plate and manufacturing method therefor
10/01/2008CN101274336A Method for producing variable diameter pipe
10/01/2008CN100422576C High-strength connecting rod and method of producing same
10/01/2008CN100422374C Anti-sulfur drill rod and method for manufacturing the same
10/01/2008CN100422356C Method for controlling furnace temperature of heating furnace for continuous annealing
10/01/2008CN100422355C Mesh-belt speed closed-loop control method for mesh-belt heat treatment furnace
10/01/2008CN100422354C Spraying and quenching device for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system
10/01/2008CN100422353C Medium frequency induction heating treatment method for steel pipe, petroleum well pipe and drill pipe
10/01/2008CN100422352C Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy
10/01/2008CN100421828C Method and device for cooling or quenching slabs and sheets with water in a cooling pond
09/2008
09/30/2008WO2008123025A1 Expandable oil well pipe to be expanded in well and process for production of the pipe
09/30/2008US7429174 Clean atmosphere heat treat for coated turbine components
09/25/2008US20080230156 For turbine engines; filling nickel or cobalt alloy in crack; heat treatment; controlling time, temperature
09/25/2008US20080230155 Wear presistant protective coatings; corrosion resistance
09/25/2008DE102007013177A1 Annealing basket for annealing metallic workpieces in an annealing furnace comprises supporting profiles extending in the transport direction, connected to a frame and inserted into a table construction
09/24/2008EP1972698A1 Hot-dip zinc-coated steel sheets and process for production thereof
09/24/2008EP1972694A2 Crankshaft, internal combustion engine, transportation apparatus, and production method for crankshaft
09/24/2008EP1972395A2 Apparatus and method for reducing a hollow rack end diameter and hollow rack thus obtained
09/24/2008EP1704261A4 Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same
09/24/2008CN201121202Y Bell type annealing furnace cooling device
09/24/2008CN201121201Y Hot galvanizing wire annealing oven
09/24/2008CN201121200Y Continuous furnace gear suspension tool
09/24/2008CN201121199Y Tool blade angle quenching apparatus
09/24/2008CN101270438A Normalized steel for resistance welding petroleum case pipe with low yield ratio, resistance welding casing tube and its manufacturing method
09/24/2008CN101270409A Anneal technique for producing SPCC steel grade with zincing wire annealing oven
09/24/2008CN101270408A Thermal treatment method for high-carbon steel train wheel circular rim surface and heat treatment apparatus
09/24/2008CN101270407A Direct combustion type metallic tube bright heat treatment method
09/24/2008CN101270406A Direct combustion type metallic tube bright heat treatment furnace
09/24/2008CN101269396A Winding technique for waist drum type spring
09/24/2008CN101269384A Production method for cold rolling non-orientation silicon steel thin belt
09/23/2008US7427375 Diffuser for an annealing furnace
09/23/2008CA2507084C Gas jet cooling device
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