| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/05/2011 | CN101939455A High-strength stainless steel material and process for production of the same |
| 01/05/2011 | CN101936190A Turbine rotor blade |
| 01/05/2011 | CN101935813A Heat treatment method of upper and lower dies of die |
| 01/05/2011 | CN101935808A 130ksi steel-grade low-temperature drill rod with high toughness and corrosion resistance and manufacturing method thereof |
| 01/05/2011 | CN101935800A High-silicon-steel thin belt and preparation method thereof |
| 01/05/2011 | CN101935751A Electric heating device for annealing wire |
| 01/05/2011 | CN101935750A Production process for high-performance steel plate thermal treatment unit |
| 01/05/2011 | CN101935749A Open flame heat treatment process and device of steel wires |
| 01/05/2011 | CN101935748A Automatic quenching device |
| 01/05/2011 | CN101935747A Receiving control system of tubular high-speed continuous induction annealing furnace |
| 01/05/2011 | CN101935746A Annealing treatment method for coiled iron core of triangular coiled iron core transformer |
| 01/05/2011 | CN101935745A Heat treatment device and heat treatment method for coal cutting teeth |
| 01/05/2011 | CN101935743A Medium plate on-line quenching inclined jet flow cooler |
| 01/05/2011 | CN101934469A Manufacturing method of pup joint |
| 01/05/2011 | CN101934466A Technology for processing high strength large hexagon-headed bolt used for steel structure |
| 01/05/2011 | CN101665860B Laser heat treatment method of large taper screw thread of drill collar and circular bead surface |
| 01/05/2011 | CN101643831B Automatic high-frequency induction hardening device of rotary large-diameter seamless hot-expanding steel tube |
| 01/05/2011 | CN101638714B Numerical control 6-station automatic sizing quenching press |
| 01/05/2011 | CN101623751B Method for preparing boracic low-alloy high-speed steel rolls |
| 01/05/2011 | CN101623719B Method for manufacturing stainless steel heat transfer pipe of nuclear heat exchanger |
| 01/05/2011 | CN101615451B Production process of freon resistant, double glass fiber covered enamelled wire |
| 01/05/2011 | CN101607360B Mass production method for ultra-fine bonding gold wire |
| 01/05/2011 | CN101571355B Strong loop quick cooling chamber |
| 01/05/2011 | CN101545033B Single-wire single-control wire take-up system for hard-drawn microwire |
| 01/05/2011 | CN101490431B Process for producing track member, process for producing valve gear, and track member |
| 01/04/2011 | US7862666 stainless steel seamless linepipe has excellent corrosion resistance and resistance to sulfide stress cracking, suitable for linepipes transporting crude oil or natural gas produced from oil wells or gas wells under extremely corrosive environments containing carbon dioxide gas, chlorine ion; mixed phase |
| 12/30/2010 | DE102008016854B4 Vorrichtung zur lokalen Festigung von Eisenbahnradsätzen Apparatus for strengthening local railway wheelsets |
| 12/29/2010 | WO2010150983A2 Method for forming holes in a difficult-to-work material, and difficult-to-work material having holes formed by the method |
| 12/29/2010 | WO2010150919A1 High-strength molten zinc-plated steel sheet and process for production thereof |
| 12/29/2010 | WO2010150915A1 High-strength seamless steel tube for use in oil wells, which has excellent resistance to sulfide stress cracking and production method for same |
| 12/29/2010 | WO2010150450A1 High-strength ultra-fine steel wire and manufacturing method therefor |
| 12/29/2010 | WO2010150448A1 Pearlite–based high-carbon steel rail having excellent ductility and process for production thereof |
| 12/29/2010 | EP2267176A1 High-strength hot-dip galvanized steel sheet with excellent processability and process for producing the same |
| 12/29/2010 | EP2267175A1 Hot rolled steel sheet possessing excellent fatigue properties and stretch-flange ability and process for producing the hot rolled steel sheet |
| 12/29/2010 | EP2267171A1 Annealing of cold rolled metal strip |
| 12/29/2010 | EP2266722A1 High strength part and method of production of the same |
| 12/29/2010 | EP2265735A1 Device for heating and method for heating |
| 12/29/2010 | CN201690634U Thin wire induction heating device |
| 12/29/2010 | CN201686731U Large-stroke steel discharging machine |
| 12/29/2010 | CN201686730U Resistance-type steel coil preheating furnace |
| 12/29/2010 | CN201686729U High temperature bell-type furnace detachable charging basket |
| 12/29/2010 | CN201686728U Water cooling metal wheel |
| 12/29/2010 | CN201686727U Roll neck protective sleeve for roller thermal treatment |
| 12/29/2010 | CN201686726U Tempering clamp of wheel groove milling cutter |
| 12/29/2010 | CN201686725U Road spring gas tempering stove |
| 12/29/2010 | CN201686724U Overall heat treatment mould of storage tank opening connecting pipe wall plate |
| 12/29/2010 | CN201686723U Sling for pit-type furnace |
| 12/29/2010 | CN201686722U Crawler board quenching device for excavator |
| 12/29/2010 | CN101932746A High-strength steel sheet and process for production thereof |
| 12/29/2010 | CN101932745A High-strength steel sheet and process for production thereof |
| 12/29/2010 | CN101932744A High-strength hot-dip galvanized steel sheet with excellent processability and process for producing the same |
| 12/29/2010 | CN101932742A High-strength hot-dip-galvanized steel sheet having excellent moldability, and method for production thereof |
| 12/29/2010 | CN101932737A An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
| 12/29/2010 | CN101932736A Process for manufacturing martensite stainless steel pipe |
| 12/29/2010 | CN101928877A Steel for petroleum casing pipe, high-frequency welding petroleum casing pipe and manufacturing method thereof |
| 12/29/2010 | CN101928822A Cushion block for heating furnace |
| 12/29/2010 | CN101928821A Automatic cooling method and system for heat treatment furnace |
| 12/29/2010 | CN101928820A Wind power generation steel ball thermal treatment and quenching combined device |
| 12/29/2010 | CN101928819A Method and equipment for carrying out continuous induction hardening on stepped shaft neck and arc transitional surface |
| 12/29/2010 | CN101928818A Rapid air cooling device for hollow pipe-shaped heat-treated product |
| 12/29/2010 | CN101928816A Cooling device of steel plate |
| 12/29/2010 | CN101928814A Novel medium-high frequency quenching machine tool with continuous curved surfaces |
| 12/29/2010 | CN101927419A Flange processing process |
| 12/29/2010 | CN101927263A Method for improving rolling stability of container thin material |
| 12/29/2010 | CN101625201B Water beam overhauling equipment of walking beam type heating furnace and overhauling method thereof |
| 12/29/2010 | CN101580896B Roller-to-roller thermal treatment device and method for NiW alloy base belt for coated conductor |
| 12/29/2010 | CN101492798B Pickling free producing process for copper alloy tube |
| 12/29/2010 | CN101480689B Near-isothermal forging method of two-phase titanium alloy disk-type forgeable piece |
| 12/29/2010 | CN101480671B Technique for producing double-layer copper brazing steel tube for air-conditioner |
| 12/29/2010 | CN101444793B Method for fabricating seamless steel pipes for large-diameter high-pressure gas cylinders used in trailer production |
| 12/29/2010 | CN101432449B Metal heat treating methods and devices |
| 12/29/2010 | CN101423891B Heat treating process for higher chromium abrading-ball and abrading-segment by temperature zone timing oil quenching |
| 12/29/2010 | CN101413084B Silicon-chromium-boron alloy wear resistant ball and manufacturing method thereof |
| 12/29/2010 | CN101392381B Surface treatment technology of cast iron grooved drum |
| 12/29/2010 | CN101297051B High-strength galvannealed sheet steels excellent in powdering resistance and process for production of the same |
| 12/29/2010 | CN101213317B Dead-soft high-carbon hot-rolled steel sheet and process for producing the same |
| 12/29/2010 | CN101166843B High-strength steel sheet plated with zinc by hot dipping with excellent formability and process for producing the same |
| 12/29/2010 | CA2766028A1 High-strength seamless steel tube, having excellent resistance to sulfide stress cracking, for oil wells and method for manufacturing the same |
| 12/29/2010 | CA2764769A1 Pearlite-based high carbon steel rail having excellent ductility and process for production thereof |
| 12/29/2010 | CA2764663A1 High-strength galvanized steel sheet and method for manufacturing the same |
| 12/28/2010 | US7857919 heat treatment of steel product having been subjected to quenching or accelerated cooling on hot rolling line after hot rolling to pass steel product through induction heating apparatuses; high strength, toughness |
| 12/25/2010 | CA2707966A1 Turbine rotor blade |
| 12/23/2010 | WO2010146999A1 FERRITIC Cr-STEEL FOR HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME, AND HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME |
| 12/23/2010 | WO2010146796A1 High-strength hot-dip galvannealed steel shhet with excellent workability and fatigue characteristics and process for production thereof |
| 12/23/2010 | WO2010146535A2 High ballistic strength martensitic armour steel alloy |
| 12/23/2010 | US20100322816 Raw material for shot-peening materials, finished wire, method of manufacturing shot-peening materials, and shot-peening materials |
| 12/23/2010 | US20100319816 Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same |
| 12/23/2010 | US20100319815 Method of making shape memory alloy articles with improved fatigue performance |
| 12/23/2010 | US20100319814 Bainitic steels with boron |
| 12/23/2010 | DE112008003146T5 Stahl für eine Induktionshärtung mit einer hervorragenden Kaltverarbeitungsfähigkeit, Rollglied, das aus einem derartigen Stahl ausgebildet ist, und Bewegungsführungsvorrichtung, die ein derartiges Rollglied verwendet Steel for induction hardening with excellent cold workability, roller member which is formed from such a steel, and motion control device using such a rolling element |
| 12/23/2010 | CA2762935A1 High-strength galvannealed steel sheet having excellent formability and fatigue resistance and method for manufacturing the same |
| 12/22/2010 | EP2265089A1 Induction heating apparatus and induction heating method |
| 12/22/2010 | EP2264220A1 Grain-oriented magnetic steel sheet and process for producing the same |
| 12/22/2010 | EP2264206A1 High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both |
| 12/22/2010 | EP2264204A1 Material for soft-nitrided crankshaft and process for producing the same |
| 12/22/2010 | EP2264194A1 Air-cooling facility for heat treatment process of martensite based stainless steel pipe |
| 12/22/2010 | EP2264192A1 Hardening machine for inductive hardening using a protective gas |
| 12/22/2010 | EP2262918A1 Microstructural optimization of automotive structures |
| 12/22/2010 | CN201682647U Induction heater and induction heat treatment equipment |
| 12/22/2010 | CN201678711U Heat accumulating type steel ingot preheating system |