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