| Patents for C21D 5 - Heat treatment of cast-iron (891) |
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| 10/05/2011 | CN102206733A Method for strengthening surface layer of nodular cast iron through high-energy electron beam scanning |
| 09/15/2011 | DE102010010991A1 Engine block for diesel applications such as in highly stressed motors, comprises a crankcase, a cylinder block and/or a cylinder crankcase, and a cast iron material having structural matrix |
| 08/31/2011 | CN102168222A High-hardness alloyed nodular iron die material and preparation method thereof |
| 08/31/2011 | CN101300368B High silicon niobium casting alloy and method of manufacturing the same |
| 08/10/2011 | EP2354265A1 Austenitic ductile cast iron |
| 08/10/2011 | CN101643877B Preparation method of high-speed train set with power car pulling motor shell new material |
| 08/04/2011 | WO2011092998A1 Method for treatment of metal surface, and surface-modified metal product |
| 07/27/2011 | EP2347019A1 Granulator blades with a high wear resistance and sharpening method thereof |
| 07/26/2011 | US7985305 Method for quenching steel |
| 07/20/2011 | CN101589661B Carbide-containing austempered ductile iron plowshare and production method thereof |
| 07/14/2011 | WO2011085172A2 Metal surface scale conditioning |
| 07/14/2011 | CA2786513A1 Metal surface scale conditioning |
| 07/06/2011 | CN102115846A High-carbon wear-resisting cast steel and preparation process thereof |
| 07/06/2011 | CN101484592B Method for manufacturing spheroidal cast iron mechanical components |
| 07/06/2011 | CN101418409B Wear resistant cast iron |
| 06/22/2011 | DE102009044861B3 Verfahren zum Herstellen eines gut umformbaren Stahlflachprodukts, Stahlflachprodukt und Verfahren zur Herstellung eines Bauteils aus einem solchen Stahlflachprodukt A method for producing a readily formable flat steel product, flat steel product and method for producing a component from such a steel flat product |
| 06/16/2011 | DE102004040359B4 Regelarmatur Control valve |
| 05/26/2011 | US20110120599 Method and work piece |
| 05/25/2011 | CN102071297A Sub-high-temperature treatment method for gray cast iron |
| 05/19/2011 | US20110114233 Development of a high strength high toughness bainitic steel |
| 05/18/2011 | EP2322678A1 Heavy austempered ductile iron components |
| 05/11/2011 | CN102049485A Method for composite centrifugal casting high-chromium steel roller |
| 04/28/2011 | US20110094632 Ledeburite cast iron with a high carbide content and an evenly distributed graphite embodiment |
| 04/27/2011 | CN102031444A High-hardenability alloyed gray iron die material and preparation method thereof |
| 04/27/2011 | CN101705349B Heat and vibration composite aging treatment method adopting residual heat of casting billets of cast iron rolls |
| 04/14/2011 | DE112009001294T5 Gusseisen mit hoher Festigkeit und hohem Dämpfungsvermögen Cast iron with high strength and high damping capacity |
| 03/17/2011 | US20110061773 Press roller annular casing and method |
| 03/16/2011 | EP2294231A1 Method&work piece |
| 03/02/2011 | CN101560596B Quenching treatment process of medium chromium cast ball |
| 02/24/2011 | US20110041960 High rigidity, high damping capacity cast iron |
| 02/16/2011 | CN101974666A Laser phase-change strengthening treatment method of wedge block working surface of elevator safety tongs |
| 02/02/2011 | CN101962730A High-toughness twinning induced plasticity (TWIP) nodular cast iron alloy and preparation method thereof |
| 01/27/2011 | US20110017364 Heavy austempered ductile iron components |
| 01/26/2011 | CN101545030B Technology for processing oil quenching of high chromium casting ball |
| 01/25/2011 | US7875134 Weighing 94-98% by weight of an iron/chromium/carbon alloy and 2-6% by weight of a titanium/aluminu/vanadium alloy as raw material; melting and tapping at 1600-1800 degrees C., followed by casting in a mold; environmentally friendly; titanium recycling/waste; renewable resources; cost efficiency |
| 01/19/2011 | CN101948947A Heat treatment technology of spheroidal graphite cast iron piston ring |
| 01/19/2011 | CN101297048B Process for producing sliding rings and/or mating rings of a sliding-ring seal by means of laser hardening |
| 01/12/2011 | EP2038435B1 Method for manufacturing spheroidal cast iron mechanical components |
| 01/05/2011 | CN101487078B Stirring inner water cooling isothermal quench salt bath |
| 12/29/2010 | EP2267174A2 Simo ductile iron castings for gas turbine applications |
| 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 |
| 12/23/2010 | WO2010104322A3 Alloy cast iron for producing a seal, seal, and method for producing such a seal |
| 12/23/2010 | US20100322813 SiMo DUCTILE IRON CASTINGS IN GAS TURBINE APPLICATIONS |
| 12/22/2010 | CN101921947A Nodular cast iron bent axle waste heat air cooling and normalizing method |
| 12/22/2010 | CN101921946A Method for producing high-grade nodular cast iron crank shaft by normalizing casting waste heat |
| 12/22/2010 | CN101921904A Spheroidal graphite cast iron crankshaft normalizing method without normalizing consumption |
| 12/22/2010 | CN101921903A Method for obtaining high-pearlite high-tenacity nodular cast iron crankshaft |
| 12/08/2010 | CN101906565A Carbide-containing ausferrite spheroidal graphite cast iron grinding ball and manufacturing method thereof |
| 12/08/2010 | CN101906517A Quenching and temperingTempering heat treatment process for different-alloy high-chromium cast iron blow bars |
| 12/08/2010 | CN101905184A Liquid-state bimetal composite hammer for crusher and manufacturing method thereof |
| 12/01/2010 | CN101343716B Low alloy cast steel |
| 11/16/2010 | US7833362 Method for improving creep resistance and low cycle fatigue properties of pressure-containing components |
| 11/10/2010 | CN101880759A Method for improving machining properties of Cr18W2 wear-resistant white cast ion |
| 11/03/2010 | CN101407015B Method for manufacturing vermicular cast iron trolley body |
| 09/16/2010 | WO2010104322A2 Alloy cast iron for producing a seal, seal, and method for producing such a seal |
| 09/14/2010 | US7794554 Rejuvenation of refractory metal products |
| 08/12/2010 | WO2010090151A1 High-manganese spheroidal graphite cast iron |
| 08/05/2010 | DE202010006651U1 Gusskörper Cast body |
| 08/04/2010 | EP2213790A1 Roller body for a roller for processing a material and method for producing a roller body |
| 07/15/2010 | DE102009004562A1 Walzenkörper für eine Walze zur Behandlung eines Materials und Verfahren zur Herstellung eines Walzenkörpers Roll body for a roller for the treatment of a material and method for producing a roller body |
| 07/14/2010 | CN101775534A High-alloy wear-resisting casting iron and thermal treatment process thereof |
| 07/13/2010 | US7754142 Alloy; carbon, chromium, silicon, nickel, tungsten, molybdenum, niobium, vanadium, titanium, aluminum, copper, manganese, iron; wear resistance, corrosion resistance |
| 07/08/2010 | US20100172784 Cast iron semi-finished product excellent in workability and method of production of the same |
| 07/07/2010 | CN101418414B QT600-3 ductile iron casting and method for producing the same |
| 06/30/2010 | CN101760692A Ultrahigh chromium cast grinding ball and heat treatment process thereof |
| 06/24/2010 | US20100154942 Mechanism of Structural Formation For Metallic Glass Based Composites with Enhanced Ductility |
| 06/23/2010 | CN101748324A Method for casting super-large centrifugal cold mould by adopting nodular cast iron |
| 06/23/2010 | CN101220403B Isothermal treatment method for nodular cast iron bainite |
| 06/16/2010 | CN101736189A High-frequency quenching gear and heating processing technology thereof |
| 06/16/2010 | CN101736185A Bainite nodular cast iron slide block and manufacture method thereof |
| 06/16/2010 | CN101733320A Seamless treatment technology for edge of cast-iron piston ring |
| 06/09/2010 | CN101722276A Method for producing high manganese steel casting and performing heat treatment instantaneously |
| 06/09/2010 | CN101294256B High-wearing GKMCr20 cast iron composition for manufacturing roller sleeve and disk liner, thermal treatment method thereof |
| 06/02/2010 | CN101717884A Austempering ductile iron (ADI) supercharged diesel engine six-cylinder crankshaft and production method |
| 06/02/2010 | CN101372726B Heat treatment method for thick big ductile cast iron mould |
| 05/27/2010 | US20100126638 Method for producing a crankshaft, in particular for diesel engines |
| 05/19/2010 | EP2185302A1 A method and apparatus for the production of a casting |
| 05/14/2010 | WO2010051943A1 Granulator blades with a high wear resistance and sharpening method thereof |
| 05/12/2010 | CN101705421A As-cast bainite manufacturing process |
| 05/12/2010 | CN101705349A Heat and vibration composite aging treatment method adopting residual heat of casting billets of cast iron rolls |
| 05/12/2010 | CN101705344A Method for treating thermal vibration composite ageing of cast iron roll in removing stress |
| 03/30/2010 | US7686895 Method of improving mechanical properties of gray iron |
| 02/25/2010 | US20100043927 Alloy composition, fe-based nano-crystalline alloy and forming method of the same and magnetic component |
| 02/17/2010 | CN100590207C Technique for oil quenching casting sphere made from high chrome alloy |
| 02/04/2010 | US20100024927 Process and apparatus for producing semi-solidified slurry of iron alloy |
| 01/27/2010 | CN100584962C Bainite auctile iron isothermal quenching technology |
| 01/20/2010 | EP1794336B1 piston ring made of cast iron |
| 01/20/2010 | CN100582253C Cast iron series mould material thermal treatment method capable of acquiring controllable and uniform rigidity |
| 12/31/2009 | US20090320971 Method for manufacturing spheroidal cast iron mechanical components |
| 12/23/2009 | EP2134879A2 Method for producing a crankshaft, in particular for diesel engines |
| 12/22/2009 | CA2497760C A machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same |
| 12/17/2009 | WO2008125964A8 Method for producing a crankshaft, in particular for diesel engines |
| 12/16/2009 | CN101602434A Integral intermediate groove of isothermal quenching ductile iron conveyor and preparation method |
| 12/16/2009 | CN101602433A Scraper of CuNiMo alloying isothermal quenching ductile iron scraper conveyor and preparation method |
| 12/03/2009 | WO2009145717A1 Method & work piece |
| 12/03/2009 | WO2009145039A1 High-rigidity high-damping-capacity cast iron |
| 12/02/2009 | CN101589661A Carbide-containing austempered ductile iron plowshare and production method thereof |
| 11/26/2009 | DE10230383B4 Rostfreies Gusseisenmaterial mit Kugelcarbid Stainless cast iron material with Kugelcarbid |
| 11/25/2009 | CN101586509A Piston of diesel engine |