| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 05/18/2007 | WO2006072663A3 Ductile iron and method for manufacturing ductile iron for engineering components requiring strength and toughness |
| 05/16/2007 | EP1785500A1 A wear and corrosion resistant highly alloyed steel powder |
| 05/16/2007 | CN1962916A Nb-Ti microalloying steel suitable for large line energy welding and smelting method therefor |
| 05/16/2007 | CN1962907A Method for smelting metal-based nano composite material |
| 05/16/2007 | CN1962886A Alloying fine adjustment method |
| 05/16/2007 | CN1316050C Production method of iron base sintered alloy valve seat |
| 05/16/2007 | CN1316049C Process for producing oxide dispersion strengthening ferrite type alloy by using chemical dipping method |
| 05/16/2007 | CN1315603C High mechinability iron base sintered alloy for valve seat inserts |
| 05/15/2007 | US7217310 Metal powder for powder metallurgy and iron-based sintered compact |
| 05/09/2007 | CN1958826A Vanadium treated bake hardening type deep drew steel plates of saloon sedan, and preparation method |
| 05/09/2007 | CN1314824C Sintered ferrous material containing copper |
| 05/02/2007 | EP1779947A1 Material prepared by powder metallurgy with improved isotropy of the mechanical properties |
| 05/02/2007 | CN1313230C Sliding part and method of manufacturing the sliding part |
| 05/01/2007 | US7211125 Alloyed steel powder with improved degree of sintering for metal injection molding and sintered body |
| 05/01/2007 | CA2153463C Roll manufacture |
| 04/26/2007 | US20070089562 Iron-based powder containing 0.5% Mn or less and 0.2-1.5% Mo as prealloyed elements, having 0.03% or less Ni and 0.05 to 1.0% Mo adhered to the powder surfaces by diffusion bonding; blended with a Ni and/or Cu powder; high density alloy steel; tensile strength; rotating bending fatigue strength. |
| 04/25/2007 | CN1952344A Method for making super-high-strength anti-corrosion pumping polished rod |
| 04/25/2007 | CN1952199A Niobium titanium -combined microalloying steel for cooling-control reinforced bar and method for producing same |
| 04/25/2007 | CN1952198A Trace niobium -containing steel for cooling-control reinforced bar and method for producing same |
| 04/25/2007 | CN1312300C Method for recovering valuable metal from waste containing V, Mo and Ni |
| 04/24/2007 | CA2417167C Porous metal article, metal composite material using the article and method for production thereof |
| 04/24/2007 | CA2195423C Iron powder components containing thermoplastic resin and method of making same |
| 04/19/2007 | WO2007021243B1 Powder metallurgically manufactured steel, a tool comprising the steel and a method for manufacturing the tool |
| 04/19/2007 | WO2004097057A3 Superdeformable/high strength metal alloys |
| 04/19/2007 | DE112005000921T5 Sinterlegierung auf Eisenbasis, Sinterlegierungselement auf Eisenbasis und Herstellungsverfahren dafür Sintered iron-base alloy, iron-based sintered alloy element and manufacturing method therefor |
| 04/18/2007 | EP1775351A1 Acid resistant austenitic alloy for valve seat insert |
| 04/18/2007 | EP1773526A1 Powder metallurgical composition comprising carbon black as flow enhancing agent |
| 04/18/2007 | CN1950161A Powder metallurgical compositions and methods for making the same |
| 04/18/2007 | CN1948538A Petroleum steel tube capable of anti hydrogen sulfide stress corrosion and its manufacturing method |
| 04/18/2007 | CN1948536A Rare earth-iron-silicon base compound having primary magnetic phase change characteristics and its preparation method |
| 04/18/2007 | CN1948535A Rare earth improving antibacterial performance silver containing stainless steel |
| 04/18/2007 | CN1948534A Production method of cast state high extension rate ductile iron |
| 04/18/2007 | CN1311145C Sintered alloy valve seat and its manufacturing method |
| 04/18/2007 | CN1311094C Iron-based sintered alloy material for valve seat |
| 04/11/2007 | EP1771268A1 Sintered metal parts and method for the manufacturing thereof |
| 04/11/2007 | CN1946876A Hardfacing ferroalloy materials |
| 04/11/2007 | CN1946865A Iron-based sintered alloy, iron-based sintered alloy member and method for producing those |
| 04/11/2007 | CN1946502A Iron-based powder composition |
| 04/11/2007 | CN1946501A Method for making compacted products and iron-based powder comprising lubricant |
| 04/11/2007 | CN1946500A Sintered metal parts and method for the manufacturing thereof |
| 04/11/2007 | CN1944700A Bainite ductile iron grinding ball and its producing process |
| 04/11/2007 | CN1943923A Samarium-iron-nitrogen and iron-platinum double phase nano magnetic material and its preparing method |
| 04/11/2007 | CN1309858C Non-crystal alloy formed workpieces with hardened surface and production method thereof |
| 04/11/2007 | CN1309856C Method for manufacturing continuous casting low carbon steel containing boron in small square billets |
| 04/11/2007 | CN1309854C Alloy powder, ferriferous mixed powder and sintered alloy and manufacturing method |
| 04/10/2007 | US7201810 Permanent magnet |
| 04/04/2007 | EP1770177A1 Method for preparing sintered product, sintered product and magnetostriction material |
| 04/04/2007 | EP1769098A1 Steel strip for spreading knives, doctor blades and crepe scrapers and powder metallurgical method for producing the same |
| 04/04/2007 | EP1769096A1 Method and composition for dispersing extra-fine nickel powder |
| 04/04/2007 | EP1768803A1 Stainless steel powder |
| 04/04/2007 | CN1942264A Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet |
| 04/04/2007 | CN1940113A Die steel |
| 04/04/2007 | CN1940112A Low-alloy and superhigh carbon composite phase steel and its manufacture |
| 04/04/2007 | CN1940111A Nano-crystal soft magnetic alloy material and its production |
| 04/04/2007 | CN1308475C Earth-iron-boron alloy, powder for magnet and sintered magnet made therefrom |
| 03/29/2007 | US20070067990 Powder metal scrolls |
| 03/29/2007 | DE10336407B4 Pulvermetallurgisch hergestellte Lagerteile für Turbolader sowie Verfahren zur Herstellung solcher Lagerteile Produced by powder metallurgy parts for bearing turbochargers as well as methods for producing such bearing parts |
| 03/28/2007 | CN2883390Y Round shaping wire feeder |
| 03/28/2007 | CN2883389Y Coring line for realizing molten steel vanadium, nitrade alloy |
| 03/28/2007 | CN1938795A Rare-earth magnet and its manufacturing method |
| 03/28/2007 | CN1938115A Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered article |
| 03/28/2007 | CN1938114A Method for producing soft magnetic material, soft magnetic powder and dust core |
| 03/28/2007 | CN1936368A Automobile rear-bridge spiral conic gear of manganese-copper alloy autenite-bainite nodular iron and its preparing method |
| 03/28/2007 | CN1936054A Electric resistance alloy and its preparing process |
| 03/22/2007 | US20070065328 Powder metallurgical compositions and methods for making the same |
| 03/22/2007 | DE102006027391A1 Gesinterter Ventilsitz und Verfahren zu dessen Herstellung The sintered valve seat and process for its preparation |
| 03/21/2007 | EP1040890B1 Powder material for powder plasma overlaying and powder plasma overlaying metal |
| 03/21/2007 | CN1932066A Low carbon high alloy steel for ball mill lining and its making process |
| 03/21/2007 | CN1932065A Weldable high-strength microalloyed medium carbon steel oil well pipe and its making process |
| 03/21/2007 | CN1932062A Steel having improved toughness in welding heat-affected zone and its production |
| 03/21/2007 | CN1932061A Nodulizer producing process |
| 03/15/2007 | WO2007030256A1 A maraging steel article and method of manufacture |
| 03/15/2007 | WO2007030079A1 Powder metallurgically manufactured high speed steel |
| 03/15/2007 | CA2620209A1 A maraging steel article and method of manufacture |
| 03/14/2007 | EP1762632A1 Iron-based rare-earth-containing nanocomposite magnet and process for producing the same |
| 03/14/2007 | EP1762316A1 Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered article |
| 03/14/2007 | EP1761653A1 Powder metallurgical compositions and parts made therefrom |
| 03/14/2007 | CN1928143A High strength anti-corrosion easy processing and low magnetic cast steel for manufacturing ship weldable structure |
| 03/14/2007 | CN1928142A Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same |
| 03/14/2007 | CN1928141A Heat cracking resistant vermicular cast iron brake material and vermicular cast iron brake disc prepared therewith |
| 03/14/2007 | CN1928140A Method for adding Mn into high Mn content stainless steel in smelting process |
| 03/13/2007 | US7189277 Addition of sodium and/or potassium salts of boric acid, in specific ranges of concentration and stoichiometry, without oxidizing agents or silicates, is sufficient to stabilize some normally rust prone, iron-base alloy powders in contact with aqueous agar gel binders for periods exceeding 2 months |
| 03/13/2007 | CA2272570C Iron additive for alloying non-ferrous alloys |
| 03/08/2007 | WO2007027724A2 Steel compositions, methods of forming the same, and articles formed therefrom |
| 03/08/2007 | CA2794435A1 Steel compositions, methods of forming the same, and articles formed therefrom |
| 03/08/2007 | CA2599417A1 Steel compositions, methods of forming the same, and articles formed therefrom |
| 03/07/2007 | EP1758700A1 Lubricants for insulated soft magnetic iron-based powder compositions |
| 03/07/2007 | CN1924070A Casting high boron abrasion-proof stainless steel containing high hardness boride and preparation method thereof |
| 03/07/2007 | CN1924069A High heat-intensity hot-work die steel material |
| 03/07/2007 | CN1924068A Oil well tube resisting stress corrosion of H2S and manufacture method thereof |
| 03/07/2007 | CN1924067A High-nitrogen nickel-free bidirectional stainless steel alloy material and manufacture method thereof |
| 03/07/2007 | CN1924065A 700MPa grade high ductility low-yield ratio thick steel plate and manufacture method thereof |
| 03/07/2007 | CN1924057A Manufacture method of weldable gray cast iron capable of repair welding by 422 mild steel welding rod |
| 03/07/2007 | CN1924056A Technology of one-step smelting medium carbon ferrochrome from chromite utilizing mine smelting furnace |
| 03/07/2007 | CN1923412A High nickel austenite spheroidal graphite cast-iron gas exhaust branch pipe casting technique |
| 03/07/2007 | CN1303238C Process for preparing cast iron |
| 03/06/2007 | CA2189555C Iron based powder containing mo, p and c |
| 03/01/2007 | WO2007024192A1 Steel alloy and tools or components manufactured out of the steel alloy |
| 03/01/2007 | US20070048170 Method for forming a film of lithium metal or lithium alloys and an apparatus for the same |
| 03/01/2007 | DE10308274B4 Herstellungsverfahren für ein eisenhaltiges Schmiedeteil mit hoher Dichte Preparation process for a ferrous forging high density |