Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
12/2013
12/04/2013CN102719644B Forecasting method of inner and outer wall temperature difference of 9% Cr martensitic steel thick wall pipeline in heat treatment
12/04/2013CN102523745B Method of manufacturing carburized parts
12/04/2013CN102382951B Induction quenching machining method for drive shaft for pump
12/04/2013CN102257173B Oriented electrical steel sheet, and method for producing same
11/2013
11/28/2013WO2013175821A1 Hollow stabilizer, and steel pipe for hollow stabilizers and method for production thereof
11/28/2013WO2013175793A1 Base material for high-toughness clad steel plate having excellent toughness in welded joints, and method for producing said clad steel plate
11/28/2013WO2013175758A1 Steel strip continuous annealing furnace, continuous annealing method, continuous hot-dip galvanization equipment, and production method for hot-dip galvanized steel strip
11/28/2013WO2013175757A1 Steel strip continuous annealing furnace, steel strip continuous annealing method, continuous hot-dip galvanization equipment, and production method for hot-dip galvanized steel strip
11/28/2013WO2013175733A1 Method for manufacturing grain-oriented electrical steel sheet
11/28/2013WO2013140798A3 Method of welding structural steel and welded steel structure
11/28/2013US20130313763 Furnace and method of operating the furnace
11/28/2013US20130312560 Steel gear and manufacturing method for the same
11/27/2013EP2666875A1 Method for manufacturing bearing ring, bearing ring, and rolling bearing
11/27/2013EP2665837A1 Method to produce a hot formed part, and part thus formed
11/27/2013EP2665581A1 Method and machine tool for machining and hardening metallic workpieces
11/27/2013CN203307391U Combustion servo automatic control system
11/27/2013CN203307390U Temperature testing device for high-temperature steel billet in heating furnace
11/27/2013CN203307389U Large-section steel billet beam type heat furnace bottom stepping device
11/27/2013CN203307388U Steel rolling heating furnace for automatically controlling air-fuel ratio of hot raw gas
11/27/2013CN203307387U Billet locating baffle plate device on in-furnace roller table
11/27/2013CN203307386U Air-gas dual regenerative heating furnace
11/27/2013CN203307385U Bell-type furnace generating steam by utilizing waste heat
11/27/2013CN203307384U Annealing furnace with self-purification filter system
11/27/2013CN203307383U External combustion-type natural gas heat treatment furnace
11/27/2013CN203307382U Continuous thermal treatment furnace system
11/27/2013CN203307381U Stand supporting structure of continuous thermal treatment furnace
11/27/2013CN203307380U Fuel gas thermal treatment furnace
11/27/2013CN203307378U Special device for carrying out two-stage quenching heat treatment technology on crusher composite hammer head
11/27/2013CN203307377U Annealing tooling for tungsten or molybdenum metal plates and tungsten or molybdenum alloy plates
11/27/2013CN203304316U Continuous softening machine mechanism
11/27/2013CN103415640A Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same
11/27/2013CN103415639A Spring and manufacturing method thereof
11/27/2013CN103415630A Method for forming and hardening coated steel sheets
11/27/2013CN103415098A Intermediate-frequency heating device of hub reduction gear ring of high-end agricultural machine
11/27/2013CN103409705A Surface and central property differentiated plate and manufacturing method and device thereof
11/27/2013CN103409696A Hot rolling roller for rolling nonferrous metal, and manufacturing method thereof
11/27/2013CN103409695A Composite material pouring-casted bucket and its production technology and production device
11/27/2013CN103409694A Steel for low-carbon microalloying bainite steel rails and manufacturing method thereof
11/27/2013CN103409693A Steel used for bainite rail, and manufacturing method thereof
11/27/2013CN103409689A Bainitic/martensitic steel treated by rare earth and special for railway frog
11/27/2013CN103409681A High-chromium cast iron, thin-walled tube prepared from same, and preparation method of thin-walled tube
11/27/2013CN103409610A Over-aging treatment device for continuous annealing unit and over-aging treatment method
11/27/2013CN103409609A Suspended type auxiliary loading and unloading workbench for zinc wire heat treatment
11/27/2013CN103409608A Method for heating a metal slab
11/27/2013CN103409607A Chain wheel quenching method and quenching inductor
11/27/2013CN103409606A Method for performing heat treatment on wind power main shaft after forging
11/27/2013CN103409605A Reinforcing structure for heat-treatment furnace roller of wide and thick plates
11/27/2013CN103409602A Method for manufacturing alloy steel pipe for micro-decarburization high-strength highly abrasion-resistant cylinder sleeve
11/27/2013CN103409599A Device and method for strengthening gear of gear pump by using underwater laser impact
11/27/2013CN102808068B Process for performing continuous annealing on low-carbon aluminum killed steel belt
11/27/2013CN102776355B Annular cover-type resistor furnace for pressure container tube section heat treatment
11/27/2013CN102758146B Alloy material and method for manufacturing open pinion in gasifier by using same
11/27/2013CN102747204B Inducing heating device for thin steel strip coil and heat treatment process thereof
11/27/2013CN102703822B Preparation method of high-speed steel for composite roll collar
11/27/2013CN102501161B Method for manufacturing needle roller with unloading function for bearing
11/27/2013CN102443741B Manufacturing method for steel ball for ball mill
11/27/2013CN102338079B Production method of high-pressure fracturing pump body
11/27/2013CN102329992B Ultrathin air-conditioning aluminum foil and manufacturing method thereof
11/27/2013CN101983246B Method for producing cmanufacturing steel sheet
11/26/2013CA2713195C High strength steel sheet and method for manufacturing the same
11/21/2013WO2013173009A1 Manufacturing process for aerospace bearing rolling elements
11/21/2013WO2013171231A1 High strength steel with increased e-modulus and method for producing said steel
11/21/2013WO2013170995A1 Rolling bearing part and method for the heat treatment of a rolling bearing part
11/21/2013US20130308884 HEAT-RESISTANT BEARING FORMED OF Ta OR A1-ADDED Ni3(Si, Ti)-BASED INTERMETALLIC COMPOUND ALLOY AND METHOD FOR PRODUCING THE SAME
11/21/2013DE10360417B4 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile
11/21/2013DE102012208169A1 Wälzlagerteil sowie Verfahren zur Wärmebehandlung eines Wälzlagerteils Rolling bearing part as well as method for the heat treatment of a rolling bearing part
11/20/2013EP2664844A1 Device and method for annealing of vehicle lamps
11/20/2013EP2664682A1 Steel for the production of a steel component, flat steel product comprising same, component comprised of same and method for producing same
11/20/2013EP2392683B1 High-strength hot-dip galvanized steel sheet and manufacturing method therefor
11/20/2013EP2052090B1 Coiling furnace
11/20/2013CN203295578U Bell-type furnace mounted with steam air heater
11/20/2013CN203295577U Rapid fault handling device for bell type furnace
11/20/2013CN203295576U Water cooling roller
11/20/2013CN203295575U Hot air type steel coil preheating device
11/20/2013CN203295574U Deformation preventing material rack applicable to quenching of long and thin plates
11/20/2013CN203295573U Aluminum plate heating furnace facilitating access of aluminum material
11/20/2013CN203295572U Pitch circle positioning quenching tooling for inner gear ring
11/20/2013CN203295571U Base plate for steel pipe heating
11/20/2013CN203295570U Furnace door of heat treatment furnace
11/20/2013CN203295567U Pressure quenching device used for gear sleeve of synchronizer
11/20/2013CN203295560U Novel electromagnetic heating furnace for metal bar
11/20/2013CN203295460U Biomass gas steel rolling system
11/20/2013CN103403212A Nitrided steel member and method for producing same
11/20/2013CN103403210A High-strength steel sheet exerting excellent deep drawability at room temperature and warm temperatures, and method for warm working same
11/20/2013CN103403208A Hot rolled steel sheet and method for producing same
11/20/2013CN103403205A High-purity ferritic stainless steel sheet having excellent oxidation resistance and high-temperature strength, and method for producing same
11/20/2013CN103403197A Steal gear wheel and method for manufacturing same
11/20/2013CN103403195A Method to produce a hot formed part, and part thus formed
11/20/2013CN103397291A Device for preventing hot air flow of heat insulation section of galvanized steel coil from rising and using method of device
11/20/2013CN103397279A High-performance multi-alloy wear-resistant ball, and preparation process and thermal treatment method thereof
11/20/2013CN103397258A Novel multi-element alloy grinding forging and preparation method and heat treatment process thereof
11/20/2013CN103397171A Method for determining furnace-temperature set value of billet heating furnace
11/20/2013CN103397170A Atmosphere protective high-frequency induction heating and continuous annealing method and device for tube stocks and wire rods
11/20/2013CN103397169A Continuous annealing cooling device of alloy aluminum wires
11/20/2013CN103397168A Push-pull-type zinc wire heat treatment auxiliary loading and unloading workbench
11/20/2013CN103397167A Continuous annealing device of alloy aluminum wires
11/20/2013CN103397166A Heat treatment equipment for bead wire semi-finished products
11/20/2013CN103397165A Thin steel wire cooling processing device and method
11/20/2013CN103397164A Quenching method
11/20/2013CN103397163A Flame strengthening method for H-beam
1 ... 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ... 301