| Patents for C22C 37 - Cast-iron alloys (3,059) |
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| 11/21/1990 | CN1047111A High hardness alloy abrasive for white cast iron |
| 11/15/1990 | DE3943492C1 Cast iron curving shape for glass windows - contains carbon, silicon, chromium nickel, for press curving glass |
| 11/07/1990 | CN1046760A Process for casting nodular graphite cast iron with as-cast ferrite by metal mould |
| 10/09/1990 | US4961791 Tensile strength, heat resistance, noncracking |
| 09/25/1990 | US4958422 Wear-resistant compound roll |
| 09/19/1990 | CN1045424A Antiwear cast iron and productive method thereof |
| 09/12/1990 | CN1045280A Bainite and martensite mottled nodular cast iron grinding ball |
| 09/12/1990 | CN1045279A High strength easy cutting cast iron |
| 09/11/1990 | US4955414 Graphite crystallized in an austenitic cast iron matrix |
| 08/22/1990 | CN1009283B Cast-iron used for glass bottle mould |
| 08/16/1990 | DE3943345A1 Thin-walled ferritic spheroidal graphite cast iron article - contains pearlite, and fine gaps between graphite particles and ferritic matrix are absent |
| 08/14/1990 | US4948437 Heating, cooling in an annealing furnace to produce a perlitic structure |
| 08/08/1990 | CN1009116B Rare-earth grey cast iron waste water pipe |
| 07/25/1990 | CN1044131A Chrome-molybdenum-vanadium heat-resistant and abrasion-resistant cast iron |
| 07/11/1990 | CN1043754A Spheroidal graphite cast-iron |
| 07/04/1990 | CN1043531A Cast alloy iron cylinder jacket |
| 06/20/1990 | EP0374116A1 Roll ring, comprising cemented carbide and cast iron, and method for manufacture of the same |
| 06/07/1990 | DE3840716A1 Cast iron for nodular graphite |
| 06/06/1990 | EP0371760A1 High strength high chromium cast iron and valve rocker arm made thereof |
| 05/29/1990 | US4929416 Cast steel |
| 05/16/1990 | EP0368565A1 Low thermal expansion cast iron, moulds constructed thereof and their use in moulding |
| 05/16/1990 | CN1042193A High-chromium alloy cast iron, its hot treatment process and application |
| 03/28/1990 | EP0360254A2 Friction device |
| 03/07/1990 | CN1040226A P, cu, cr and ti-p series wear-resistant cast iron material |
| 02/21/1990 | CN1006861B A roller of centrifugal composite vanadium titanium cast iron and its casting method |
| 02/14/1990 | CN1006812B Process for making vulnerable parts of grain and oil machinery |
| 02/14/1990 | CN1006811B Rare-earth low-chrome cast iron for making grinding ball and its technique of production |
| 02/13/1990 | US4900375 Magnesium-treated, decarburizingly-annealed cast iron material |
| 02/08/1990 | DE3912916A1 Process for producing a casting from lamellar-graphite cast iron and camshaft produced thereby |
| 02/07/1990 | EP0353804A1 Process for the production of cast iron with spheroidal graphite and/or vermicular graphite |
| 01/31/1990 | CN1039267A Antiwear high-chromium cast iron |
| 01/31/1990 | CN1006643B Wear-resisting cast iron |
| 01/17/1990 | CN1038844A Hi-chrome cast iron grinding balls |
| 01/02/1990 | US4891076 Gray cast iron having both increased wear resistance and toughness |
| 12/26/1989 | US4889687 Containing nickel and bismuth; having low silicon content |
| 11/29/1989 | EP0343244A1 Casting steel |
| 11/29/1989 | CN1037548A Low-cr, b multi-element alloy anti-wear cast iron |
| 10/03/1989 | US4870931 Rocker arm having wear resistant scuffing resistant portion |
| 09/19/1989 | US4867804 Manufacturing process of toughened bainitic nodular graphite cast iron |
| 09/19/1989 | US4867803 Lapping tools and method of manufacturing the same |
| 09/13/1989 | EP0331740A1 MAGNETIC CORE MATERIAL FOR HIGH FREQUENCY MADE OF Fe-Co BASE ALLOY |
| 09/06/1989 | CN1035325A Cast-iron used for glass bottle mould |
| 09/05/1989 | US4863533 Apex seal for rotary piston engine and method for manufacturing the same |
| 08/30/1989 | CN1035140A Copper tungsten alloy austenitic-bainite nodular cast iron |
| 08/30/1989 | CN1035069A Steel ingot mould made from grey cast iron for water cooling and the preparation thereof |
| 08/29/1989 | US4861395 Method of using machine parts made of austenitic cast iron having resistance to stress corrosion cracking in contact with salt water |
| 08/22/1989 | US4859414 Alloy for disk rotor |
| 08/15/1989 | US4856469 Mechanical parts of valve driving mechanism for internal combustion engine |
| 08/01/1989 | US4853047 Work-performing member for farm machines |
| 07/12/1989 | CN1033844A High strength grey cast iron with casting bainite |
| 07/05/1989 | CN1033652A Cast iron alloy and processing for vane of "pugai" generator |
| 06/29/1989 | WO1989005867A1 Bimetallic composite working cylinder |
| 06/28/1989 | EP0322315A1 Bimetallic composite roll |
| 06/21/1989 | CN1033467A Medium-si, mo, rare-earth, mg, ca and helminth graphite cast iron alloy |
| 06/13/1989 | US4838956 Method of producing a spheroidal graphite cast iron |
| 06/07/1989 | EP0318687A2 Use of a variety of cast iron for brake bodies and brake discs comprising brake rings and a wave-shaped transition between brake ring and hub situated in the brake area |
| 05/31/1989 | CN1033197A Grinding balls of vanadium and titanium alloyed bainite nodular cast iron used in cement industry |
| 05/16/1989 | US4830656 Cast iron molds for glass making and method of making |
| 05/03/1989 | CN1032678A Material for making low-carbon low-chromium alloy white cast iron balls |
| 05/03/1989 | CN1004084B Cast alloy iron cylinder sleeve with high wear-resisting and good matching properties |
| 04/05/1989 | EP0309587A1 Abrasion-resistant composite roll and process for its production |
| 04/05/1989 | CN1032196A High-strength grinding ball made of alloy ball (cast) iron and its manufacture method |
| 03/09/1989 | WO1989001987A1 Casting steel |
| 02/23/1989 | WO1989001533A1 Magnetic core material for high frequency made of fe-co base alloy |
| 02/21/1989 | CA1250156A1 Highly abrasive resistant material |
| 02/15/1989 | CN1031116A Creeping graphite cast iron with silencing and shock-absorbing effect and its production |
| 02/08/1989 | CN1030945A Rare-earth grey cast iron exhaust water pipe |
| 01/31/1989 | US4800949 Method and installation for the continuous manufacture of pipes from spheroidal graphite cast-iron having a controlled structure |
| 01/17/1989 | CA1248781A1 Machines or machine parts made of austenitic cast iron having resistance to stress corrosion cracking |
| 12/07/1988 | CN88102640A Low alloyed cast iron for making machine tool parts |
| 11/16/1988 | CN87103236A High permeance cast iron |
| 11/08/1988 | CA1244323A1 Hardenable cast iron |
| 11/03/1988 | DE3712591A1 Wear-resistant cast iron |
| 10/26/1988 | CN87103426A Wear-resisting cast iron |
| 10/06/1988 | WO1988007594A1 Abrasion-resistant composite roll and process for its production |
| 09/27/1988 | CA1242409A1 Cast iron article and method of making same |
| 09/20/1988 | US4771524 Roll having a hard envelope surface |
| 09/14/1988 | EP0281765A1 Cast iron for the manufacture of brake elements |
| 09/08/1988 | DE3706516A1 Process for producing heat-resistant iron-carbon alloy having good thermal conductivity, and iron-carbon alloy |
| 08/24/1988 | EP0279300A2 Cast iron for the manufacture of brake drums |
| 08/23/1988 | US4765836 Wear and corrosion resistant articles made from pm alloyed irons |
| 08/10/1988 | EP0277931A2 Wear-resistant cast iron with a high phosphorus content |
| 08/10/1988 | CN85105652B Material with high-wearing feature |
| 07/06/1988 | EP0273281A2 Work roll for a rolling mill made by compound casting |
| 06/29/1988 | EP0272788A1 A method of making wear resistant gray cast iron |
| 06/15/1988 | EP0271238A2 Wear and corrosion resistant alloy articles |
| 06/14/1988 | CA1237921A1 Abrasive resistant white cast iron |
| 06/08/1988 | CN86107996A Low-manganese high-strength cast iron and melting technology thereof |
| 06/07/1988 | US4749549 Gray cast iron inoculant |
| 05/11/1988 | CN86107631A A roller of centrifugal composite vanadium titanium cast iron and its casting method |
| 04/12/1988 | US4737199 Heat treatment |
| 03/10/1988 | WO1988001655A1 Working organ of agricultural machine |
| 03/09/1988 | CN87105537A Abrasion-resisting cast iron containing medium manganese and phosphorous, and copper, titanium, and many other elements |
| 03/02/1988 | CN86104863A Nodular cast iron with biphase structure of ferrite and bainite |
| 02/25/1988 | DE3628157A1 Cast iron alloy with nodular graphite |
| 02/24/1988 | CN87104467A Process for making vulnerable parts of grain and oil machinery |
| 01/27/1988 | CN87200694U As cost iron bearing entity holder |
| 12/23/1987 | CN87104407A Rare-earth low-chrome cast iron balls and their technoloyg of production |
| 12/01/1987 | CA1229777A1 Method of making cg iron |
| 11/25/1987 | EP0246936A1 Moulds from foundry iron, especially for the glas industry, having a variable structure within their walls |