| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/22/2014 | CN103521935A Steel rail induction butt welding and heat treatment method |
| 01/22/2014 | CN103521548A Method for manufacturing martensitic steel tube |
| 01/22/2014 | CN102703659B Stepping type automatic horizontal gear hardening machine |
| 01/21/2014 | US8634953 Method and equipment for flatness control in cooling a stainless steel strip |
| 01/21/2014 | CA2686940C Process for manufacturing cold-rolled and annealed steel sheets with very high strength, and sheets thus produced |
| 01/16/2014 | WO2014010712A1 Direct resistance heating method |
| 01/16/2014 | WO2014010415A1 High-strength hot-dip galvanized steel sheet having excellent yield strength and formability, and manufacturing method therefor |
| 01/16/2014 | WO2014010316A1 In-furnace transport device and continuous heating furnace |
| 01/16/2014 | WO2014009727A1 Method for treating elongated metal product by heating and oxidizing the surface in a controlled environment |
| 01/15/2014 | EP2685193A1 Method and rotary hearth furnace for heat treating workpieces |
| 01/15/2014 | EP2684985A1 Steel sheet for hot pressing, and process for producing hot-pressed member utilizing same |
| 01/15/2014 | EP2684972A1 Steel sheets for hot stamping, method for manufacturing same, and method for manufacturing high-strength parts |
| 01/15/2014 | EP2684967A1 Continuous furnace |
| 01/15/2014 | EP2683839A1 Process for producing high strength formable steel and high strength formable steel produced therewith |
| 01/15/2014 | CN203393212U Through-type tantalum tube annealing furnace |
| 01/15/2014 | CN203393198U Slag leakage device at discharge end of steel rolling heating furnace |
| 01/15/2014 | CN203393197U Detachable ratchet gear device for reeling furnace |
| 01/15/2014 | CN203393196U Oxidization prevention device for drawing and annealing copper wire |
| 01/15/2014 | CN203393195U Softening through pipe for bare wire softening device |
| 01/15/2014 | CN203393194U Cooling and drying device of wire rod annealing machine |
| 01/15/2014 | CN203393193U Bare wire softening device for enameled wire production |
| 01/15/2014 | CN203393192U Die quenching device for through quenching steel ferrules |
| 01/15/2014 | CN203393191U Ball track soft strip-free induction quenching device |
| 01/15/2014 | CN203393189U Novel multipurpose furnace lifting platform |
| 01/15/2014 | CN203393188U Laser quenching device for annular workpiece |
| 01/15/2014 | CN203390130U Coiling and quenching clamp of circular linear metal spring |
| 01/15/2014 | CN203390005U Device for heat treatment and straightening of thin-wall titanium tubular product |
| 01/15/2014 | CN103518000A Steel for automotive suspension spring component, automotive suspension spring component, and manufacturing method for same |
| 01/15/2014 | CN103517996A Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained |
| 01/15/2014 | CN103510096A Oil transmission roller |
| 01/15/2014 | CN103510023A Pre-hardened plastic die steel material |
| 01/15/2014 | CN103510016A Support roll of pickling and scale breaking tension leveler and its manufacturing process |
| 01/15/2014 | CN103510007A Steel for high-frequency hardening and high-frequency hardened steel part, and methods of production of same |
| 01/15/2014 | CN103509933A Fault treatment system and method of trolley type spherulitic graphite cast pipe annealing furnace |
| 01/15/2014 | CN103509932A Walking beam type heating furnace and deviation prevention method thereof |
| 01/15/2014 | CN103509931A Device for thermally treating track shoe and method thereof |
| 01/15/2014 | CN103509930A Spheroidizing annealing furnace |
| 01/15/2014 | CN103509929A Drill welding control system |
| 01/15/2014 | CN103509928A Discharge material cooling device of stainless steel solid smelting furnace |
| 01/15/2014 | CN103509927A Air door filtering device of stainless steel solid smelting furnace |
| 01/15/2014 | CN103509926A Steering knuckle processing technology |
| 01/15/2014 | CN103509919A Shipbuilding track-free back burning machine |
| 01/15/2014 | CN103509918A Shipbuilding track-free back burning machine |
| 01/15/2014 | CN103509916A Vacuum annealing method for amorphous alloy iron cores |
| 01/15/2014 | CN103509914A Back-fire device for early-stage car axle hole for roulette punching |
| 01/15/2014 | CN103506776A Novel welding technique for hammering and forging high-temperature welding line |
| 01/15/2014 | CN102899476B Stainless steel driving belt for artificial board pressing machine and heat treatment process |
| 01/15/2014 | CN102776446B Semi-high speed steel copper soldering inlaid steel cutting blade and manufacturing method thereof |
| 01/15/2014 | CN102758076B Suspended free-oscillating type separating stock stop for charging billets |
| 01/15/2014 | CN102732708B Method for reducing welding residual stress of thick plate by utilizing multi-layer and multi-pass welding interlayer welding residual heat to assist vibration |
| 01/15/2014 | CN102725428B Production method for seamless steel pipe used in line pipe, and seamless steel pipe used in line pipe |
| 01/15/2014 | CN102686751B Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby |
| 01/15/2014 | CN102517502B Disk-shaped roller cutter ring and manufacture method thereof |
| 01/15/2014 | CN102303176B Assembly welding process for propeller shaft bracket |
| 01/15/2014 | CN102296237B Locomotive braking resistance belt and preparation method thereof |
| 01/09/2014 | WO2014008335A1 Thermal treated reinforcing bar splice and method |
| 01/09/2014 | WO2014006749A1 Continuous heating device |
| 01/09/2014 | US20140010590 Thermal treated reinforcing bar splice and method |
| 01/08/2014 | EP2682493A1 Spring and manufacturing method thereof |
| 01/08/2014 | EP2682492A1 Hot rolled steel sheet and method for producing same |
| 01/08/2014 | EP2682490A1 Metal plate for laser processing and method for producing stainless steel plate for laser processing |
| 01/08/2014 | EP2682485A1 Method and device for producing steel pipes with special properties |
| 01/08/2014 | EP2681341A1 Method of manufacturing a magnetic substrate for an encoder |
| 01/08/2014 | EP2681340A1 Hot-work tool steel and a process for making a hot-work tool steel |
| 01/08/2014 | EP2681339A1 Process for the heat treatment of welding seams on power station and plant components |
| 01/08/2014 | CN203385292U Causeway fabricated part for walking beam furnace |
| 01/08/2014 | CN203382806U Furnace laser detector |
| 01/08/2014 | CN203382804U Beam mechanism of continuous heating furnace steel inlet |
| 01/08/2014 | CN203382803U Lead bath furnace and strip steel lead bath quenching and tempering production line with same |
| 01/08/2014 | CN203382802U Double-layer air cooling safety heat treatment device |
| 01/08/2014 | CN203382801U Portable air-cooling coil induction preheating device |
| 01/08/2014 | CN203382800U Steel bearing part for removing mixed crystal process |
| 01/08/2014 | CN203382799U Roller rod composite normalizing and annealing furnace |
| 01/08/2014 | CN203382793U Clutch membrane spring quenching die |
| 01/08/2014 | CN203382791U Intermediate-frequency-induction heat treatment device |
| 01/08/2014 | CN103502500A Gas nitrocarburizing method and method for manufacturing bearing part |
| 01/08/2014 | CN103502496A High-strength steel plate with excellent formability and stability of material properties, and method for manufacturing same |
| 01/08/2014 | CN103502495A Steel for cold punching, and element obtained therefrom for steel belt |
| 01/08/2014 | CN103502482A Apparatus for the continuous thermal treatment of electrically conductive continually cast material and arrangement of a sliding contact element |
| 01/08/2014 | CN103501958A Extruded 1xxx-series aluminium alloy tube product |
| 01/08/2014 | CN103498105A High-strength seamless steel tube for geological drilling and preparation method thereof |
| 01/08/2014 | CN103498043A Sectional type controlled atmosphere thermal treatment furnace |
| 01/08/2014 | CN103498042A Installation structure of jointless conductive nickel ring |
| 01/08/2014 | CN103498041A Cold treatment process of roll made of high-speed steel |
| 01/08/2014 | CN103498040A Thermal forming-quenching integrated machine tool of long shaft type parts |
| 01/08/2014 | CN103498039A Furnace bottom plate load-bearing buckle structure |
| 01/08/2014 | CN103498038A Roller-hearth type creeper tread quenching press machine |
| 01/08/2014 | CN103498037A Roller bottom type continuous heating furnace for track shoe |
| 01/08/2014 | CN103498029A 棒材淬火装置 Bars quenching unit |
| 01/08/2014 | CN103498023A Method for preventing cracking of water-quenched edges and angles of rectangular alloy steel member |
| 01/08/2014 | CN103498022A Device used for preventing cracking of water-quenched edges and corners of rectangular alloy steel pieces |
| 01/08/2014 | CN103498020A Automatic unhooking device for heat treatment furnace burdening basket |
| 01/08/2014 | CN103495800A Steel rail induction butt welding and heat treatment device |
| 01/08/2014 | CN102758072B Heat treatment process of flow passage component |
| 01/08/2014 | CN102527724B Manufacturing method of alloy tubular product |
| 01/03/2014 | WO2014002941A1 High-strength hot-rolled steel sheet and process for producing same |
| 01/03/2014 | WO2014002816A1 Heating-furnace-extraction order generation device, heating-furnace-extraction order generation method, and steel plate production method |
| 01/03/2014 | WO2014002428A1 Alloyed zinc-plated steel sheet having excellent anti-powdering properties |
| 01/03/2014 | WO2014002423A1 High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges, and method for producing same |
| 01/03/2014 | WO2014002289A1 High carbon steel pipe having excellent cold workability, machinability, and quenching properties, and method for manufacturing same |