Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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12/04/2013 | CN102719644B Forecasting method of inner and outer wall temperature difference of 9% Cr martensitic steel thick wall pipeline in heat treatment |
12/04/2013 | CN102523745B Method of manufacturing carburized parts |
12/04/2013 | CN102382951B Induction quenching machining method for drive shaft for pump |
12/04/2013 | CN102257173B Oriented electrical steel sheet, and method for producing same |
11/28/2013 | WO2013175821A1 Hollow stabilizer, and steel pipe for hollow stabilizers and method for production thereof |
11/28/2013 | WO2013175793A1 Base material for high-toughness clad steel plate having excellent toughness in welded joints, and method for producing said clad steel plate |
11/28/2013 | WO2013175758A1 Steel strip continuous annealing furnace, continuous annealing method, continuous hot-dip galvanization equipment, and production method for hot-dip galvanized steel strip |
11/28/2013 | WO2013175757A1 Steel strip continuous annealing furnace, steel strip continuous annealing method, continuous hot-dip galvanization equipment, and production method for hot-dip galvanized steel strip |
11/28/2013 | WO2013175733A1 Method for manufacturing grain-oriented electrical steel sheet |
11/28/2013 | WO2013140798A3 Method of welding structural steel and welded steel structure |
11/28/2013 | US20130313763 Furnace and method of operating the furnace |
11/28/2013 | US20130312560 Steel gear and manufacturing method for the same |
11/27/2013 | EP2666875A1 Method for manufacturing bearing ring, bearing ring, and rolling bearing |
11/27/2013 | EP2665837A1 Method to produce a hot formed part, and part thus formed |
11/27/2013 | EP2665581A1 Method and machine tool for machining and hardening metallic workpieces |
11/27/2013 | CN203307391U Combustion servo automatic control system |
11/27/2013 | CN203307390U Temperature testing device for high-temperature steel billet in heating furnace |
11/27/2013 | CN203307389U Large-section steel billet beam type heat furnace bottom stepping device |
11/27/2013 | CN203307388U Steel rolling heating furnace for automatically controlling air-fuel ratio of hot raw gas |
11/27/2013 | CN203307387U Billet locating baffle plate device on in-furnace roller table |
11/27/2013 | CN203307386U Air-gas dual regenerative heating furnace |
11/27/2013 | CN203307385U Bell-type furnace generating steam by utilizing waste heat |
11/27/2013 | CN203307384U Annealing furnace with self-purification filter system |
11/27/2013 | CN203307383U External combustion-type natural gas heat treatment furnace |
11/27/2013 | CN203307382U Continuous thermal treatment furnace system |
11/27/2013 | CN203307381U Stand supporting structure of continuous thermal treatment furnace |
11/27/2013 | CN203307380U Fuel gas thermal treatment furnace |
11/27/2013 | CN203307378U Special device for carrying out two-stage quenching heat treatment technology on crusher composite hammer head |
11/27/2013 | CN203307377U Annealing tooling for tungsten or molybdenum metal plates and tungsten or molybdenum alloy plates |
11/27/2013 | CN203304316U Continuous softening machine mechanism |
11/27/2013 | CN103415640A Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same |
11/27/2013 | CN103415639A Spring and manufacturing method thereof |
11/27/2013 | CN103415630A Method for forming and hardening coated steel sheets |
11/27/2013 | CN103415098A Intermediate-frequency heating device of hub reduction gear ring of high-end agricultural machine |
11/27/2013 | CN103409705A Surface and central property differentiated plate and manufacturing method and device thereof |
11/27/2013 | CN103409696A Hot rolling roller for rolling nonferrous metal, and manufacturing method thereof |
11/27/2013 | CN103409695A Composite material pouring-casted bucket and its production technology and production device |
11/27/2013 | CN103409694A Steel for low-carbon microalloying bainite steel rails and manufacturing method thereof |
11/27/2013 | CN103409693A Steel used for bainite rail, and manufacturing method thereof |
11/27/2013 | CN103409689A Bainitic/martensitic steel treated by rare earth and special for railway frog |
11/27/2013 | CN103409681A High-chromium cast iron, thin-walled tube prepared from same, and preparation method of thin-walled tube |
11/27/2013 | CN103409610A Over-aging treatment device for continuous annealing unit and over-aging treatment method |
11/27/2013 | CN103409609A Suspended type auxiliary loading and unloading workbench for zinc wire heat treatment |
11/27/2013 | CN103409608A Method for heating a metal slab |
11/27/2013 | CN103409607A Chain wheel quenching method and quenching inductor |
11/27/2013 | CN103409606A Method for performing heat treatment on wind power main shaft after forging |
11/27/2013 | CN103409605A Reinforcing structure for heat-treatment furnace roller of wide and thick plates |
11/27/2013 | CN103409602A Method for manufacturing alloy steel pipe for micro-decarburization high-strength highly abrasion-resistant cylinder sleeve |
11/27/2013 | CN103409599A Device and method for strengthening gear of gear pump by using underwater laser impact |
11/27/2013 | CN102808068B Process for performing continuous annealing on low-carbon aluminum killed steel belt |
11/27/2013 | CN102776355B Annular cover-type resistor furnace for pressure container tube section heat treatment |
11/27/2013 | CN102758146B Alloy material and method for manufacturing open pinion in gasifier by using same |
11/27/2013 | CN102747204B Inducing heating device for thin steel strip coil and heat treatment process thereof |
11/27/2013 | CN102703822B Preparation method of high-speed steel for composite roll collar |
11/27/2013 | CN102501161B Method for manufacturing needle roller with unloading function for bearing |
11/27/2013 | CN102443741B Manufacturing method for steel ball for ball mill |
11/27/2013 | CN102338079B Production method of high-pressure fracturing pump body |
11/27/2013 | CN102329992B Ultrathin air-conditioning aluminum foil and manufacturing method thereof |
11/27/2013 | CN101983246B Method for producing cmanufacturing steel sheet |
11/26/2013 | CA2713195C High strength steel sheet and method for manufacturing the same |
11/21/2013 | WO2013173009A1 Manufacturing process for aerospace bearing rolling elements |
11/21/2013 | WO2013171231A1 High strength steel with increased e-modulus and method for producing said steel |
11/21/2013 | WO2013170995A1 Rolling bearing part and method for the heat treatment of a rolling bearing part |
11/21/2013 | US20130308884 HEAT-RESISTANT BEARING FORMED OF Ta OR A1-ADDED Ni3(Si, Ti)-BASED INTERMETALLIC COMPOUND ALLOY AND METHOD FOR PRODUCING THE SAME |
11/21/2013 | DE10360417B4 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
11/21/2013 | DE102012208169A1 Wälzlagerteil sowie Verfahren zur Wärmebehandlung eines Wälzlagerteils Rolling bearing part as well as method for the heat treatment of a rolling bearing part |
11/20/2013 | EP2664844A1 Device and method for annealing of vehicle lamps |
11/20/2013 | EP2664682A1 Steel for the production of a steel component, flat steel product comprising same, component comprised of same and method for producing same |
11/20/2013 | EP2392683B1 High-strength hot-dip galvanized steel sheet and manufacturing method therefor |
11/20/2013 | EP2052090B1 Coiling furnace |
11/20/2013 | CN203295578U Bell-type furnace mounted with steam air heater |
11/20/2013 | CN203295577U Rapid fault handling device for bell type furnace |
11/20/2013 | CN203295576U Water cooling roller |
11/20/2013 | CN203295575U Hot air type steel coil preheating device |
11/20/2013 | CN203295574U Deformation preventing material rack applicable to quenching of long and thin plates |
11/20/2013 | CN203295573U Aluminum plate heating furnace facilitating access of aluminum material |
11/20/2013 | CN203295572U Pitch circle positioning quenching tooling for inner gear ring |
11/20/2013 | CN203295571U Base plate for steel pipe heating |
11/20/2013 | CN203295570U Furnace door of heat treatment furnace |
11/20/2013 | CN203295567U Pressure quenching device used for gear sleeve of synchronizer |
11/20/2013 | CN203295560U Novel electromagnetic heating furnace for metal bar |
11/20/2013 | CN203295460U Biomass gas steel rolling system |
11/20/2013 | CN103403212A Nitrided steel member and method for producing same |
11/20/2013 | CN103403210A High-strength steel sheet exerting excellent deep drawability at room temperature and warm temperatures, and method for warm working same |
11/20/2013 | CN103403208A Hot rolled steel sheet and method for producing same |
11/20/2013 | CN103403205A High-purity ferritic stainless steel sheet having excellent oxidation resistance and high-temperature strength, and method for producing same |
11/20/2013 | CN103403197A Steal gear wheel and method for manufacturing same |
11/20/2013 | CN103403195A Method to produce a hot formed part, and part thus formed |
11/20/2013 | CN103397291A Device for preventing hot air flow of heat insulation section of galvanized steel coil from rising and using method of device |
11/20/2013 | CN103397279A High-performance multi-alloy wear-resistant ball, and preparation process and thermal treatment method thereof |
11/20/2013 | CN103397258A Novel multi-element alloy grinding forging and preparation method and heat treatment process thereof |
11/20/2013 | CN103397171A Method for determining furnace-temperature set value of billet heating furnace |
11/20/2013 | CN103397170A Atmosphere protective high-frequency induction heating and continuous annealing method and device for tube stocks and wire rods |
11/20/2013 | CN103397169A Continuous annealing cooling device of alloy aluminum wires |
11/20/2013 | CN103397168A Push-pull-type zinc wire heat treatment auxiliary loading and unloading workbench |
11/20/2013 | CN103397167A Continuous annealing device of alloy aluminum wires |
11/20/2013 | CN103397166A Heat treatment equipment for bead wire semi-finished products |
11/20/2013 | CN103397165A Thin steel wire cooling processing device and method |
11/20/2013 | CN103397164A Quenching method |
11/20/2013 | CN103397163A Flame strengthening method for H-beam |