Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 5 - Heat treatment of cast-iron
Patents for C21D 5 - Heat treatment of cast-iron (891)
12/2012
12/12/2012CN101906517B Quenching and temperingTempering heat treatment process for different-alloy high-chromium cast iron blow bars
12/11/2012US8328965 Method for manufacturing spheroidal cast iron mechanical components
11/2012
11/28/2012CN102796941A Special alloy hardened and tempered cast iron for conical sand making machine and manufacturing method thereof
11/27/2012US8317942 Ledeburite cast iron with a high carbide content and an evenly distributed graphite embodiment
11/21/2012EP2524062A2 Metal surface scale conditioning
11/21/2012CN102049485B Method for composite centrifugal casting high-chromium steel roller
11/08/2012DE112010005202T5 Verfahren zur Behandlung einer Metalloberfläche und oberflächenverändertes Metallerzeugnis A method for treating a metal surface and surface-modified metal product
11/07/2012CN102766744A High-temperature treatment process of nickelic austenite nodular cast iron
11/07/2012CN102330012B Niobium bainite ductile iron material and production process thereof
11/06/2012US8302667 Cast iron semi-finished product excellent in workability and method of production of the same
10/2012
10/24/2012CN102747264A On-line production method of clutch housing and flywheel housing
10/24/2012CN102747209A Strengthening process for copper-molybdenum nodular iron casting
10/17/2012CN202492549U Device for ductile iron pipe annealing furnace
10/17/2012CN101962730B High-toughness twinning induced plasticity (TWIP) nodular cast iron alloy and preparation method thereof
10/10/2012CN102719829A Surface hardening malcomising process for ductile cast iron hydraulic part
10/10/2012CN102719636A Flame heat treatment technology of large ductile iron casting
10/03/2012EP2505282A1 Inoculation procedure and device
09/2012
09/27/2012US20120241058 Cast iron cast part and method for production thereof
09/20/2012WO2012125031A1 A method of heat treating a cast iron, in particular a nodular cast iron
09/19/2012CN102676911A Wear-resistant cast iron disc and production process thereof
09/19/2012CN102676909A Method for manufacturing high-chrome cast iron grinding balls
09/19/2012CN102676785A Induction hardening process capable of hardening hard-alloy cast iron camshaft
09/19/2012CN101974666B Laser phase-change strengthening treatment method of wedge block working surface of elevator safety tongs
09/04/2012US8257514 Heat crack resistance, seizing resistance and abrasion resistance; for floating seal members such as rollers, idlers and reduction gears for construction machines
08/2012
08/15/2012CN102634647A Low-temperature (minus 60 DEG C) toughness improvement method of nodular cast iron
08/08/2012CN101356039B Method for manufacturing cast iron member, cast iron member, and engine for vehicle
07/2012
07/25/2012CN102605232A Nanometer alloy cast iron grinding ball and preparation method thereof
07/18/2012CN102586670A Iron-based composite material reinforced by in-situ titanium carbide grains and preparing method thereof
07/18/2012CN102586667A Process for preparing material of high-temperature resisting oil delivery control device
07/11/2012CN102560232A Hypoeutectic high-chromium cast iron for slurry pump blade and heat treatment process
07/11/2012CN102560229A Low chrome multielement alloy cast ball and preparing method thereof
07/11/2012CN102560019A Oil quenching heat treating process for low chrome multielement alloy cast balls
07/11/2012CN102560018A Oil quenching heat treatment process for high-hardness low-chromium multicomponent alloy casting ball
07/11/2012CN102560017A Oil quenching heat treatment process for high-hardness low-chromium multicomponent alloy casting ball
07/04/2012EP2471960A1 Method for manufacturing a cast iron part and cast iron part thus obtained
07/04/2012CN102536824A Rolling rotor compressor
07/04/2012CN102534148A Method of producing large components form austempered ductile iron alloys
07/04/2012CN101921903B Method for obtaining high-pearlite high-tenacity nodular cast iron crankshaft
06/2012
06/21/2012US20120152413 Method of producing large components from austempered ductile iron alloys
06/20/2012EP2465952A1 Method of producing large components form austempered ductile iron alloys
06/13/2012CN102489690A Method for as-cast non-alloying production for QT500-7 main bearing cap of gasoline engine
06/13/2012CN101736185B Bainite nodular cast iron slide block and manufacture method thereof
06/07/2012WO2012073631A1 Method for improving fatigue strength of cast iron material
06/07/2012WO2012073629A1 Method for improving fatigue strength of cast iron material
06/07/2012WO2012073628A1 Method for improving fatigue strength of cast iron material
06/05/2012US8192561 Method for manufacturing at least part of a device for an earthmoving or materials-handling machine using austempered ductile iron and its named product
05/2012
05/31/2012WO2012069329A1 Method for heat-treating high-strength iron alloys
05/30/2012CN202246758U Cooling device for heat treatment of nodular cast iron crankshaft
05/30/2012CN102477479A 球墨铸铁激光强化工艺 Ductile laser hardening process
05/30/2012CN101760692B Ultrahigh chromium cast grinding ball and heat treatment process thereof
05/23/2012CN102465197A Mold surface processing process for increasing product quality of stamping part
05/02/2012CN202208746U Trolley for high-temperature annealing furnace
04/2012
04/18/2012CN102418030A 一种抗磨低铬铁基合金材料及其生产方法 One kind of wear low chrome base alloy material and production method
04/10/2012US8152942 Method of hardening surface of metallic part, piston, cylinder head, and cylinder block each produced using the surface-hardening method, and process for producing the same
04/04/2012CN101537427B 一种离心铸造高铬铸铁复合轧辊及其制备方法 A centrifugal casting high chromium cast iron composite roll and its preparation method
03/2012
03/28/2012CN1827795B Ferrous seal sliding parts and producing method thereof
03/28/2012CN102389960A Casting and heat treatment production method of mechanical concrete pump pipe
03/22/2012DE102010041209A1 Vorwärmvorrichtung für Stahlschrott und damit ausgestattetes metallurgisches Schmelzgefäß Preheating of scrap steel and metallurgical melting vessel equipped therewith
03/21/2012CN102382960A Casting bainite tempering process
03/14/2012CN202164333U Continuous annealing furnace for ductile iron pipes
03/08/2012WO2012028789A1 Process for manufacturing a casting made of ductile cast iron for a high-voltage insulator fitting
03/07/2012CN102367507A Low temperature nodular graphite heat treatment process
02/2012
02/29/2012CN101748324B Method for casting super-large centrifugal cold mould by adopting nodular cast iron
02/23/2012WO2012022450A1 Grey cast iron part or component having a basic microstructure of troostites for machines and process for the production thereof
02/15/2012CN102352460A High-chromium white cast iron spherical plug and preparation method thereof
02/08/2012CN102348820A Alloy cast iron for producing a seal, seal, and method for producing such a seal
01/2012
01/25/2012CN102330016A Hypoeutectic high-chromium white cast iron and preparation method thereof
01/25/2012CN102330013A Nodular cast iron roller of hot rolled seamless steel tube tandem mill and preparation method thereof
01/25/2012CN102330012A Niobium bainite ductile iron material and production process thereof
01/25/2012CN101220404B Method for processing nodular cast iron troostite
01/19/2012US20120014626 Martensitic-steel casting material and process for producing martensitic cast steel product
01/18/2012EP2407567A2 Alloy cast iron for producing a seal, seal, and method for producing such a seal
01/11/2012CN101921946B Method for producing high-grade nodular cast iron crank shaft by normalizing casting waste heat
01/04/2012CN101906565B Carbide-containing ausferrite spheroidal graphite cast iron grinding ball and manufacturing method thereof
01/04/2012CN101736189B High-frequency quenching gear and heating processing technology thereof
01/04/2012CN101654734B Method for manufacturing alloy nodular cast iron roll of universal mill
12/2011
12/28/2011CN101124344B 高压气体喷射冲击热处理系统 High-pressure gas jet impingement heat treatment system
12/27/2011US8083869 Heat crack resistance, seizing resistance and abrasion resistance; for floating seal members such as rollers, idlers and reduction gears for construction machines
12/22/2011WO2011157840A1 Method for manufacturing mechanical components made of particularly wear-resistant austempered spheroidal cast iron
12/15/2011US20110303329 Cast iron semi-finished product excellent in workability and method of production of the same
12/14/2011CN101643825B 中铬多元合金铸球、铸段油淬热处理工艺 In multi-alloy chromium cast ball, casting segment oil quenching heat treatment process
12/08/2011US20110297280 Ferritic spheroidal graphite cast iron
12/07/2011CN102268521A 一种合金球磨铸铁斜盘的热处理工艺 Heat treatment process of an alloy cast iron milling swash plate
12/07/2011CN102266929A 一种复合离心浇铸高速钢轧辊的方法 A composite centrifugal casting method of high speed steel rolls
12/01/2011US20110290384 High-manganese spheroidal graphite cast iron
11/2011
11/30/2011CN102264920A 具有高抗磨性的制粒机刀片及其磨快方法 With high abrasion resistance and sharpened blade granulators method
11/23/2011CN102251167A Manufacture method of slip sheet of air conditioner compressor
11/23/2011CN102251166A Manufacture method of slip sheet of air conditioner compressor
11/23/2011CN101905184B Liquid-state bimetal composite hammer for crusher and manufacturing method thereof
11/16/2011EP2386660A1 Casting mould
11/16/2011CN102242312A Ferrous seal sliding part and producing method thereof
11/10/2011US20110274946 Cast body
11/09/2011CN101921947B Nodular cast iron crankshaft waste heat air cooling and normalizing method
11/09/2011CN101921904B Spheroidal graphite cast iron crankshaft normalizing method without normalizing consumption
11/02/2011EP1931810B1 High silicon niobium casting alloy and process for producing the same
10/2011
10/19/2011CN102220543A High-strength wear-resisting nodular cast iron applied on water pump
10/19/2011CN102220542A Industrial production method of chromium-free white cast iron with high wear resistance
10/19/2011CN102218517A Centrifugal casting production technology
10/19/2011CN102218504A Method for manufacturing austempered ductile iron (ADI) front axle of heavy truck by sand casting
10/12/2011CN101602433B Scraper of CuNiMo alloying isothermal quenching ductile iron scraper conveyor and preparation method
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