Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
10/2010
10/06/2010CN101851724A Phi-40-below sand casting high-wear-resistance grinding ball
10/06/2010CN101851702A Screw spike induction heating device
10/06/2010CN101850361A Solid-solid phase continuous braze welding rolling device for stainless steel composite board
10/06/2010CN101555545B Soaking furnace slag tapping method
10/06/2010CN101503753B Annealing technique for heating electric heating tube
10/06/2010CN101492759B Stress corrosion dehiscence resistant ultrasonic impact treatment process
10/06/2010CN101379207B Steel plate having excellent fine blanking processability and method for manufacture thereof
10/06/2010CN101370954B High-strength cold rolled steel sheet excelling in chemical treatability
10/06/2010CN101333589B Method for nonoxidizing heating thin steel plate and special heating furnace
10/06/2010CN101314835B Low-cost non-magnetoelectricity roll body and manufacturing process thereof
10/06/2010CN101275178B Gear quenching shielding liquid-blocking device
10/06/2010CN100999982B Connecting hoop presetting sucker rod
10/05/2010US7806998 Method of manufacturing super formable high strength steel sheet
10/05/2010US7806992 Quenching by cooling; self tempering; for automobile steel axle units such as constant-velocity universal joint and hub, and machine engine parts such as crankshaft
09/2010
09/30/2010WO2010110485A1 Steel sheet for cans which exhibits excellent surface properties after drawing and ironing, and process for production thereof
09/30/2010WO2010110466A1 Ferritic stainless steel plate having excellent heat resistance and excellent workability
09/30/2010WO2010110379A1 Maraging steel strip
09/30/2010WO2010110217A1 Process for producing grain-oriented magnetic steel sheet, grain-oriented magnetic steel sheet for wound core, and wound core
09/30/2010WO2010110145A1 Bearing parts, rolling bearing, and process for production of bearing parts
09/30/2010WO2010110041A1 High-strength and high-ductility steel for spring, method for producing same, and spring
09/30/2010WO2010110037A1 Automatic heat treatment method for metal ring
09/30/2010WO2010109778A1 Carbon steel sheet having excellent carburization properties, and method for producing same
09/30/2010WO2010109702A1 Cold-rolled steel sheet
09/30/2010WO2010109012A1 Method for producing partially hardened steel components
09/30/2010WO2010108204A1 Method for preheating annealing products in a hood-type annealing system
09/30/2010CA2755867A1 A method for preheating annealing products in a hood-type annealing system
09/30/2010CA2736374A1 Carbon steel sheet having excellent carburization properties, and method for producing same
09/29/2010EP2233597A1 High-strength hot-dip-galvanized steel sheet having excellent moldability, and method for production thereof
09/29/2010EP2231884A1 Process of thermal treatment of rails and device thereof
09/29/2010CN201593927U Auto-controlled lifting type high-temperature material gas rapid injection cooling unit
09/29/2010CN201593926U High-temperature material gas fast injection intensive refrigeration unit
09/29/2010CN201593062U Conveying device for inner spray pipe
09/29/2010CN201593061U Rotary continuous pushing type steel pipe heat treatment equipment
09/29/2010CN201593060U Steel cylinder quenching compacting device
09/29/2010CN201593059U Heat treatment device of alloy steel products
09/29/2010CN201593058U Heat-treating equipment for cast-steel product
09/29/2010CN201593057U Heat treatment device for buffer products
09/29/2010CN201593056U Heat treatment equipment for shock-resistant materials
09/29/2010CN201593055U Heat-treatment equipment for train bumper material
09/29/2010CN1931507B Assembling and welding process for split pedestal
09/29/2010CN101845604A Al-contained heatproof ferrite series stainless steel for fuel cell and manufacturing method thereof
09/29/2010CN101845591A Copper-steel composite material and preparation method thereof
09/29/2010CN101845546A Heat treatment method of 9Cr180Mo steel valve bush part
09/29/2010CN101845545A Heat treatment clamping jig
09/29/2010CN101845544A Annealing furnace capable of preventing deformation of internal furnaces
09/29/2010CN101845543A Fire bending furnace
09/29/2010CN101845541A Resistor heating gradient thermal treatment device for double alloy disc kind part
09/29/2010CN101845540A Ultra-high strength cold-rolled steel strip nodularization annealing process
09/29/2010CN101844162A Method for removing residual stress of hot-rolling high-strength steel
09/29/2010CN101844158A Phi 0.03m special titanium filament processing process
09/29/2010CN101570836B Method for preparing polyphase structure drill rod materials
09/29/2010CN101555907B Ball-type slewing bearing with asymmetric raceway and processing method thereof
09/29/2010CN101549361B Rare-earth magnesium alloy seamless thin wall tubule hot-extrusion method and its specialized mold
09/29/2010CN101481751B Cooling method for electrical heating vertical furnace
09/29/2010CN101479392B Process for producing pearlitic rail excellent in wearing resistance and ductility
09/29/2010CN101434025B Method for processing crankshaft capable of improving torques of winch and crank-pin
09/29/2010CN101351574B Electromagnetic steel sheet having insulating coating film and method for producing same
09/29/2010CN101332477B Manufacturing method of semiconductor silicon aluminum bonding lines
09/29/2010CN101305106B Installation for the dry transformation of a material microstructure of semi-finished products
09/29/2010CN101157974B Spinning tube bending nitrogen cooling process
09/23/2010WO2010106748A1 Boron-containing steel sheet with excellent hardenability and method of manufacturing same
09/23/2010WO2010105644A1 Method of manufacturing a bearing ring
09/23/2010US20100236670 Heavy wall seamless steel pipe for line pipe and a manufacturing method thereof
09/23/2010US20100236668 High strength steel pipe for line pipe superior in low temperature toughness and high strength steel plate for line pipe and methods of production of the same
09/22/2010EP2229461A1 An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles
09/22/2010EP2229460A1 Steel wire rod for bearing steel, manufacturing method of steel wire rod for bearing steel, heat treatment method of steel bearing, steel bearing and soaking method of bearing steel
09/22/2010CN201587965U Inner liner of hood-type annealing furnace
09/22/2010CN201587964U Dip-spray and quenching device for die of cold heading machine
09/22/2010CN201587963U Solid solution heat treatment furnace and on-line quenching and annealing device thereof for medium thickness alloy plates
09/22/2010CN201587961U Wire annealing device
09/22/2010CN201587960U Heating inductor for chain trough of chain wheel
09/22/2010CN101842507A Hardfacing steel for machine structure, and steel component for machine structure
09/22/2010CN101842502A Drive belt ring component and manufacturing method therefor
09/22/2010CN101842501A Polycrystalline diamond cutting tool with coated body
09/22/2010CN101842500A Comb-like slit laminated yoke for a travelling-magnetic-field inductor for reheating metal strip
09/22/2010CN101838732A Energy efficient fixture method for anchor nail
09/22/2010CN101838731A Correcting quenching method for elliptical or conical deformation generated by carburized thin-wall ring gear
09/22/2010CN101838730A Reversible deformation correcting method for elliptical gear ring subjected to deformation after carburization
09/22/2010CN101838729A Sprocket tooth part induction heat treatment process
09/22/2010CN101838728A Method for compositely rolling low carbon steel/high alloy steel alloy cutter
09/22/2010CN101838727A Heat treatment method for carbide blade base
09/22/2010CN101838726A Heat treatment apparatus
09/22/2010CN101838724A Slab band quenching controlled cooling header capable of adjusting water flow
09/22/2010CN101838723A Novel medium-high frequency quenching machine tool of numerical control crankshaft
09/22/2010CN101838722A Novel medium-high frequency quenching machine tool of screw rod roller path
09/22/2010CN101838721A Steel coil preheating method capable of preventing rusting
09/22/2010CN101492787B Medium-high-carbon microalloy non-hardened and tempered steel and controlled forging and cooling process
09/22/2010CN101418632B High strength high plasticity hot-rolled screw thread steel product for prestressed concrete and technique for processing thereof
09/22/2010CN101412156B Process for assembling and welding ultralong hollow shafting auger flight
09/22/2010CN101343685B Thermal treatment method for steel plate for high-strength construction with yield strength level of 420MPa
09/22/2010CN101152706B Bainitic steel ball and production technique
09/22/2010CN100999139B Manufacturing method of high speed rolling mould cutter block
09/21/2010US7799149 Quenched and tempered ferritic stainless steel structure composed of 0.05-0.08% C, at most 0.50% Si, 0.80-1.30% Mn, at most 0.030% P, at most 0.020% S, 0.08-0.50% Cr, at most 0.01% N, 0.005-0.06% Al, at most 0.05% Ti, at most 0.50% Cu, and at most 0.50% Ni, and the balance consisting of Fe and impurities
09/21/2010CA2489233C Steel sheet for vitreous enameling and production method
09/21/2010CA2465290C Furnace doors for coiler furnaces
09/21/2010CA2443545C Method of producing stainless steels having improved corrosion resistance
09/21/2010CA2149274C Method and production plant for producing hot-rolled wide strip
09/16/2010WO2010104067A1 Non-oriented magnetic steel sheet and method for producing the same
09/16/2010WO2010103936A1 High-strength hot-dip galvanized steel sheet having excellent formability and method for producing same
09/16/2010WO2010103761A1 Oriented electrical steel sheet and method of producing same