| Patents for C21D 5 - Heat treatment of cast-iron (891) |
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| 01/10/2002 | WO2002002829A1 Austempered gray iron cylinder liner and method of manufacture |
| 12/25/2001 | US6332938 Iron based member |
| 12/12/2001 | EP0925377B1 Wear-resistant camshaft and method of producing the same |
| 10/10/2001 | CN1316529A Normalizing liquid and method for cooling cast iron parts |
| 07/10/2001 | US6258180 Wear resistant ductile iron |
| 05/16/2001 | EP1099768A1 Process for the production of as-cast bainitic cast iron with spheroidal graphite |
| 04/18/2001 | CN1064719C Cast iron and piston ring |
| 03/22/2001 | WO2001020050A1 Iron-graphite composite powders and sintered articles produced therefrom |
| 03/13/2001 | US6199618 Method of producing castings |
| 03/07/2001 | CN1286313A Technology and equipment for annealing malleable iron |
| 02/14/2001 | CN1062025C Method for producing black center forgeable cast iron |
| 02/07/2001 | CN1282641A Iron-graphite composite powder and sintered product made by using said powder |
| 01/16/2001 | US6174384 Medium-carbon steel having dispersed fine graphite structure and method for the manufacture thereof |
| 01/09/2001 | US6171713 Impact milling member comprising an iron alloy casting in which carbide particles are embedded into the outer surface of the casting; wear resistance |
| 12/14/2000 | WO2000075387A1 Non-austempered spheroidal graphite cast iron |
| 11/09/2000 | WO2000066795A1 Malleable iron containing graphite nodules |
| 10/24/2000 | US6136101 An iron--carbon--silicon based alloy having an eutectic crystal; a semi-molten casting material having liquid and solid phases coexisting |
| 10/19/2000 | DE19919611A1 Surface remelting process, especially for electron beam surface hardening of cast iron camshaft cam surfaces, avoids secondary graphite precipitation caused by melt track cooling to the critical temperature and subsequent reheating |
| 09/06/2000 | EP1032770A2 Bainitically hardened brake disk |
| 08/09/2000 | CN1262338A Grinding ball of martensite/bainite compounded cast iron and its production technology |
| 07/19/2000 | EP1019548A1 Cast iron components |
| 06/21/2000 | CN1053702C Method for quick scan fusing hardening for surface of cast iron |
| 05/25/2000 | DE19852450A1 Verfahren zur Oberflächenhärtung von Formkörpern aus Gußwerkstoff sowie dadurch hergestellte Formkörper und deren Verwendung A process for surface hardening of molded bodies of cast material, and molded articles produced thereby, and their use |
| 05/23/2000 | CA2183441C Fine graphite uniform dispersion steel excellent in cold machinability, cuttability and hardenability, and production method for the same |
| 05/17/2000 | EP1001040A1 Process for surface hardening of workpieces from casting materials, workpieces produced thereby and their use |
| 05/10/2000 | EP0917500B1 Method of producing castings |
| 03/14/2000 | CA2005220C Roll ring, comprising cemented carbide and cast iron, and method for manufacture of the same |
| 03/07/2000 | US6033791 Wear resistant, high impact, iron alloy member and method of making the same |
| 02/15/2000 | US6024804 Having high nodule content; prenucleation, austenitizing by heating to form graphite nodules, quenching and casting to form perlite; bearings, journal for air conditing parts; high lubricity, hardness and wear resistance |
| 02/11/2000 | WO2000065118A1 Casting material for indefinite rollers with a sleeve part and method for producing the same |
| 01/13/2000 | WO2000001858A1 Method for forming a neck in a cylinder bore |
| 01/05/2000 | EP0751232B1 Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability, and method of manufacturing the same |
| 01/05/2000 | DE19829584A1 Verfahren zur Herstellung einer Verengung in einer Zylinderbohrung A process for producing a restriction in a cylinder bore |
| 12/15/1999 | CN1238390A Cast iron roller and its manufacture method |
| 11/30/1999 | US5992616 Apparatus for the guiding of workpieces |
| 11/17/1999 | CN1046555C Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability and manufacture thereof |
| 11/16/1999 | US5985052 Alloying ferrous iron with phosphorus, austenitizing, austempering in liquid salt bath to form islands of steadite within ausferritic microstructure |
| 10/26/1999 | US5972128 Cast iron and piston ring |
| 09/28/1999 | US5958257 Treating brass component with aqueous sodium hydroxide or potassium hydroxide to remove some of leachable lead; rinsing and treating with water soluble carboxylic acid to remove substantially all of remaining leachable lead |
| 07/22/1999 | WO1999028641A3 Bainitically hardened brake disk |
| 06/30/1999 | EP0925377A1 Wear-resistant camshaft and method of producing the same |
| 06/16/1999 | CN1219601A Production method for black-cored malleable cast iron |
| 06/10/1999 | WO1999028641A2 Bainitically hardened brake disk |
| 05/26/1999 | EP0917500A1 Method of producing castings |
| 03/30/1999 | CA2097151C Method for producing a selectively surface hardened cast iron part |
| 03/25/1999 | WO1999014382A1 Cast iron components |
| 03/25/1999 | CA2308024A1 Cast iron components |
| 03/02/1999 | US5876523 Using pearlite stabilizing element |
| 01/21/1999 | WO1998047648A3 Low-alloy cast iron tappet, apparatus, and process for its manufacturing |
| 01/19/1999 | CA2031361C Method and apparatus for surface austempering of cast iron parts |
| 12/15/1998 | US5849114 Method of forming plate-type track shoe |
| 11/24/1998 | US5840136 Temperature-raising bainite forming process |
| 11/18/1998 | EP0878555A1 Workpiece guiding device |
| 11/17/1998 | US5837069 Cast iron components and method of making |
| 11/03/1998 | US5830285 Fine graphite uniform dispersion steel excellent in cold machinability, cuttability and hardenability, and production method for the same |
| 10/29/1998 | WO1998047648A2 Low-alloy cast iron tappet, apparatus, and process for its manufacturing |
| 10/15/1998 | WO1998045486A1 Wear resistant, high-impact, iron alloy member and method of making the same |
| 09/16/1998 | EP0864662A1 Casting material for thixocasting, method for preparing partially solidified casting material for thixocasting, thixo-casting method, iron-base cast, and method for heat-treating iron-base cast |
| 09/02/1998 | EP0776380A4 Surface treated iron bearing element |
| 08/12/1998 | CN1190441A Cast iron and piston ring |
| 07/16/1998 | WO1998030733A1 Process for treating brass components to reduce leachable lead |
| 07/16/1998 | WO1998030510A1 Process for treating brass components to reduce leachable lead |
| 05/27/1998 | CN1182800A Method of quick scan fusing hardening for surface of cast iron |
| 05/19/1998 | US5753055 Process for austempering ductile iron |
| 03/26/1998 | DE19638596A1 Protecting grey cast iron cylinder liner surface from cavitation |
| 03/19/1998 | WO1998011262A1 Wear-resistant camshaft and method of producing the same |
| 03/12/1998 | WO1998010111A1 Casting material for thixocasting, method for preparing partially solidified casting material for thixocasting, thixo-casting method, iron-base cast, and method for heat-treating iron-base cast |
| 03/05/1998 | DE19632195C1 Verfahren zur Herstellung von Gußstücken Process for the preparation of castings |
| 02/19/1998 | WO1998006524A1 Method of producing castings |
| 02/04/1998 | CN1037279C Explosion method for relieving residual stress of casting |
| 12/24/1997 | CN1036795C Production method of high strength and high chrome cast iron lining plate |
| 11/26/1997 | CN1036534C Tech. for renewing and treating malleable cast-iron waste component |
| 11/25/1997 | US5690756 Method for producing cast iron gear |
| 10/22/1997 | EP0605491B1 Camshaft and method for casting the camshaft |
| 10/09/1997 | DE19637464C1 Wear resistant camshaft |
| 09/25/1997 | DE19651392A1 Case-chilled cast iron camshaft containing lanthanum |
| 09/11/1997 | DE19708781A1 Iron@ castings with spheroidal graphite for car differential gear unit production |
| 09/10/1997 | EP0794262A1 A temperature-raising bainite forming process |
| 09/04/1997 | WO1997032049A1 Cast iron and piston ring |
| 06/05/1997 | DE19629332C1 Piston cylinder running surface |
| 06/04/1997 | EP0776380A1 Surface treated iron bearing element |
| 03/12/1997 | CN1034230C Low-alloy spheroidal graphite cast-iron and process for heat-treatment of casting thereof |
| 03/05/1997 | CN1144543A Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability and method of manufacturing the same |
| 02/18/1997 | US5603784 Heat treatment forming austenitic steels |
| 01/02/1997 | EP0751232A1 Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability, and method of manufacturing the same |
| 11/12/1996 | US5573057 Camshaft and method for casting the camshaft |
| 11/06/1996 | CN1033234C Heat treatment equipment for wear-resistant iron or steel pieces |
| 10/30/1996 | CN1134464A Annealing furnace for non-box annealed casting of mitis metal |
| 10/02/1996 | EP0735150A2 Method for producing cast iron gear |
| 09/26/1996 | WO1996029436A1 Method for producing a gray iron brake |
| 06/04/1996 | US5522949 Austempering iron casting |
| 05/29/1996 | CN1123336A Method for producing cast connecting rod of engine |
| 03/06/1996 | CN1118011A Technology for renewing and treating malleable cast-iron waste component |
| 02/29/1996 | WO1996006198A1 Surface treated iron bearing element |
| 02/29/1996 | CA2196663A1 Surface treated iron bearing element |
| 02/28/1996 | CN1117528A Explosion method for relieving residual stress of casting |
| 11/21/1995 | US5468308 Surface treated cast iron bearing element |
| 11/08/1995 | CN2212013Y Water base quantitative decarbonization white core malleable steel annealing furnace |
| 08/31/1995 | WO1995023241A1 Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability, and method of manufacturing the same |
| 08/08/1995 | US5439535 Process for improving strength and plasticity of wear-resistant white irons |