| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/04/2009 | CN100457957C Heat treating furnace thereby |
| 02/04/2009 | CN100457952C Casting high speed steel cutter and preparation method thereof |
| 02/04/2009 | CN100457384C Method for soldering external surface of steam intake intubation for main steam of steam turbine by using stellite |
| 02/04/2009 | CN100457314C Figuration treatment method of extended ultralong thin walled barrel type part in automatic line |
| 02/03/2009 | US7485200 Copper alloy and method of manufacturing the same |
| 01/29/2009 | WO2009013827A1 Process, and apparatus utilizing the same, for manufacturing steel sheet |
| 01/29/2009 | WO2009013410A2 Device for limiting the combustion fume exhaust at the entrance of a furnace for reheating iron and steel products |
| 01/29/2009 | US20090026666 Method for batchwise heat treatment of goods to be annealed |
| 01/29/2009 | DE102007044950B3 Für eine Wälzbeanspruchung ausgebildetes Werkstück aus durchhärtendem Stahl und Verfahren zur Wärmebehandlung For a load by rolling trained workpiece durchhärtendem steel and method of heat treatment |
| 01/28/2009 | EP2019149A1 Apparatus and method for localized heat treatment of metal components |
| 01/28/2009 | CN201186942Y Humidifying apparatus for continuous annealing furnace |
| 01/28/2009 | CN201186940Y Full-automatic heat-treating facility for metal pipes |
| 01/28/2009 | CN201186939Y Metal pipe heat treatment heating device |
| 01/28/2009 | CN201186375Y Fine adjustment type pipeline external aligning device leading screw |
| 01/28/2009 | CN101356290A Method for adjusting hardness of a sheet-shaped product |
| 01/28/2009 | CN101356039A Method for manufacturing cast iron member, cast iron member, and engine for vehicle |
| 01/28/2009 | CN101353949A Heat-treatment method of small diameter high steel level oil conduit |
| 01/28/2009 | CN101353801A Anti-corrosion and heat tinting composite surface treating method for steel |
| 01/28/2009 | CN101353770A High strength stainless gear steel and preparation thereof |
| 01/28/2009 | CN101353769A Chromium 23 nickel 6 ferrite-austenitic stainless steel pipe and fabrication process thereof |
| 01/28/2009 | CN101353766A Grooving corrosion resistant high strength steel for ERW soldering sleeve, sleeve and production method |
| 01/28/2009 | CN101353754A Steel for internal magnetic shield and manufacturing method thereof |
| 01/28/2009 | CN101353721A Induction diathermic furnace |
| 01/28/2009 | CN101353718A Box type non-oxidation heat processing furnace |
| 01/28/2009 | CN101353717A Process for producing high strength hardened and tempered steel by steekle mill on-line quenching |
| 01/28/2009 | CN101353716A Novel mining single ring tempering method |
| 01/28/2009 | CN101352800A Technique for processing oil distribution sleeve in adjustable windstick distributor for marine |
| 01/28/2009 | CN101352784A Method for splicing 0Cr13 type ferritic stainless steel for explosive welding |
| 01/28/2009 | CN100456896C Direct-electrifying heating device |
| 01/28/2009 | CN100455702C Method for producing oriented silicon steel with good bottom by low-temperature heating |
| 01/28/2009 | CN100455698C Surface-carbonitrided stainless steel parts excellent in wear resistance and method for their manufacture |
| 01/28/2009 | CN100455692C High-strength weathering steel and method of manufacturing same |
| 01/28/2009 | CN100455690C Oriented silicon steel based on thin slab continuous casting and rolling and its manufacturing method |
| 01/28/2009 | CN100455682C Liquid cooling medium with stable cooling speed |
| 01/28/2009 | CN100455681C Method for laser surface hardening treatment of local end surface of thin-wall piece by workpiece clamping |
| 01/28/2009 | CN100455378C Method for manufacturing high chromium white wear-resistant cast iron |
| 01/22/2009 | US20090023284 Integrated Wafer Processing System for Integration of Patternable Dielectric Materials |
| 01/22/2009 | US20090020523 Systems and Methods for Providing Localized Heat Treatment of Metal Components |
| 01/22/2009 | US20090020194 Method of Induction Hardening |
| 01/22/2009 | US20090020191 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 01/22/2009 | US20090020007 Single-piece forged-steel piston with inner oil cooling chamber and a method for manufacturing thereof |
| 01/21/2009 | EP1490524B2 Method and device for convective heat transfer between a heat transfer medium and the surface of a workpiece |
| 01/21/2009 | CN201183812Y Middle and small type bearing sleeve ring heat-treatment quenching machine |
| 01/21/2009 | CN201183811Y Steel tube, petroleum oil well pipe and drill rod intermediate frequency induction heating heat-treating apparatus |
| 01/21/2009 | CN201183809Y Adjustable nozzle for inner water spraying of quenching device |
| 01/21/2009 | CN201183808Y Dismountable external spray device |
| 01/21/2009 | CN201183807Y Inductor for piston ring groove quenching |
| 01/21/2009 | CN101348888A Low nickel austenitic stainless steel and preparation thereof |
| 01/21/2009 | CN101348858A Non-hydraulic plate quenching device for steel belt continuous quenching and steel belt cooling method |
| 01/21/2009 | CN101348857A Air knife and water-cooling block combined saw belt quenching cooler |
| 01/21/2009 | CN101348856A Double metal saw belt single furnace multiple cycle temper tempering heat treatment method |
| 01/21/2009 | CN101348855A Production method of common orientated electrical steel having higher magnetic strength |
| 01/21/2009 | CN101348852A Method for producing oriented electrical steel by low temperature slab heating |
| 01/21/2009 | CN101348851A Method for producing common oriented electrical steel by low temperature casting blank heating |
| 01/21/2009 | CN101348848A Water-soluble quenching agent |
| 01/21/2009 | CN100455144C Plasma-assisted heat treatment |
| 01/21/2009 | CN100453686C Casting high boron abrasion-proof stainless steel containing high hardness boride and preparation method thereof |
| 01/21/2009 | CN100453683C Low-temperature high-strength, high-toughness steel and preparing method therefor |
| 01/21/2009 | CN100453680C Steel sheet for dissimilar materials weldbonding to aluminum material and dissimilar materials bonded body |
| 01/21/2009 | CN100453676C Method for hot forming and hot formed member |
| 01/21/2009 | CN100453674C Low cost, high-wearability hypereutectic high chromium cast iron and its production method |
| 01/21/2009 | CN100453661C Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing |
| 01/21/2009 | CN100453660C On-line processing method for magnesium alloy wire and strip using high energy electric pulse |
| 01/21/2009 | CN100453604C Coating for preventing high-carbon billet from decarbonization |
| 01/21/2009 | CN100453261C Compound plastic forming method of casting aluminum alloy parts |
| 01/15/2009 | WO2005085479A3 High-pressure cryogenic gas for treatment processes |
| 01/15/2009 | US20090014101 Injection molding methods for manufacturing components capable of transporting liquids |
| 01/15/2009 | US20090014099 Rail manufacturing method |
| 01/15/2009 | DE102007032044A1 Machine tool for production of valves has cutting tool and laser with a focusing system, cap being moved over system during cutting of workpiece to protect it |
| 01/14/2009 | EP2014777A1 Method and device for thermal treatment of metal sheet |
| 01/14/2009 | EP2013372A1 Method for the production and removal of a temporary protective layer for a cathodic coating |
| 01/14/2009 | EP1809775B1 Device for cooling long objects |
| 01/14/2009 | CN201180149Y Novel structured unmuffled steel strip annealing oven |
| 01/14/2009 | CN201180148Y Shifting fork type counting-feeding apparatus |
| 01/14/2009 | CN101343978A High-wind pressure impactor piston |
| 01/14/2009 | CN101343747A High-carbon chromium bearing part surface peening thermal treatment method |
| 01/14/2009 | CN101343716A Low alloy cast steel |
| 01/14/2009 | CN101343685A Thermal treatment method for steel plate for high-strength construction with yield strength level of 420MPa |
| 01/14/2009 | CN101343684A Continuous on-line anneal technique for bi-metal wire bar and special apparatus thereof |
| 01/14/2009 | CN101343683A Method for manufacturing low-iron loss high-magnetic strength non-oriented electrical steel |
| 01/14/2009 | CN101343681A Steel sphere surface peening technique |
| 01/14/2009 | CN101342655A Method for manufacturing draft mould convex-concave mould with heat treated alloy nodular cast iron |
| 01/14/2009 | CN101342566A Integral cold forging technique for angular wheel shaft |
| 01/14/2009 | CN100451394C Pinion shaft |
| 01/14/2009 | CN100451157C Micro-alloy weldable cast steel tooth stand and preparation method thereof |
| 01/14/2009 | CN100451152C Bainite ductile iron grinding ball and its producing process |
| 01/14/2009 | CN100451136C Controlled cooling heat treating process and its device for bainite ductile iron |
| 01/14/2009 | CN100450691C Narrow-gap all position pusle automatic argon arc welding technique for dissimillar nicklel-based alloys |
| 01/13/2009 | US7476358 Method and apparatus for boltless heat treatment of thin flanges |
| 01/13/2009 | US7475478 Method for manufacturing automotive structural members |
| 01/08/2009 | WO2009005292A1 Manufacturing method of high strength part and the high strength part thereby |
| 01/08/2009 | WO2009003551A1 Melt-treated rim of a piston combustion bowl |
| 01/08/2009 | US20090010796 Long fatigue life nitinol |
| 01/08/2009 | US20090007995 Modifying the ductile iron alloy to contain 0.4-0.8 weight percent molybdenum; casting of the modified ductile iron alloy and then annealing at a > 725 degrees C. for at least five hours to eliminate carbides and/or stabilize pearlite in the casting; compressor cases of industrial gas turbines |
| 01/08/2009 | DE102007056186B3 Hot deforming press for deforming and hardening metal sheets comprises an upper tool and a lower tool with molding jaws and supporting jaws which can be displaced relative to each other |
| 01/07/2009 | EP2012033A1 Method of producing bearing unit-use outer race |
| 01/07/2009 | EP2010688A1 High-speed steel for saw blades |
| 01/07/2009 | EP2010683A1 Oscillating heat treatment method for a superalloy |
| 01/07/2009 | CN201176449Y Gas supply structure for heat treatment |
| 01/07/2009 | CN101338360A Novel heat treatment method for 65Mn,T8A spring steel band |