| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 01/02/2008 | CN101096735A Easy-weld hardening high-strength steel plate and production method thereof |
| 01/02/2008 | CN101096734A Electric arc furnace smelting stainless steel mother liquid steel slag foaming agent |
| 01/02/2008 | CN100359032C Method for producing spheroidal graphite cast iron or vermicular cast iron adopting multiple core-spun yarn disposing in iron water |
| 12/27/2007 | WO2007001648A3 Corrosion resistant metallurgical powder compositions, methods, and compacted articles |
| 12/26/2007 | CN101092675A Ca plus RE composite modified high strong weathering steel and preparation method |
| 12/26/2007 | CN101092673A Refining technique for manufacturing pieces of vermicular cast iron |
| 12/26/2007 | CN100357477C Super bainite abrasion-resistant steel and its manuafcturing process |
| 12/26/2007 | CN100357470C Method for preparing ferro-titantium, steel and ferrovanadium from vanadium-titantium iron headings |
| 12/26/2007 | CN100357469C Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof |
| 12/26/2007 | CN100357465C Production process for preparing vanadium iron containing nitrogen 80 by burning synthetic |
| 12/25/2007 | US7311875 High velocity compaction of water atomized stainless steel powder, iron, and chromium under uniaxial pressure; sintering green body |
| 12/20/2007 | US20070292301 Making Sintered, Iron-Based Alloy Parts By Using Boron-Containing Master Alloys |
| 12/20/2007 | US20070292298 Containing at least one or more types of metal selected from a group having a higher standard oxidation potential than iron; rust prevention effect of sintered bodies such as sintered machine parts can be exponentially improved without changing conventional sintered body manufacturing process |
| 12/20/2007 | US20070289676 High-strength high-temperature creep-resistant iron-cobalt alloys for soft magnetic applications |
| 12/19/2007 | EP1867742A1 High-strength steel sheet and high-strength welded steel pipe excelling in ductile fracture performance and process for producing them |
| 12/19/2007 | EP1867736A1 Process for producing ferronickel |
| 12/19/2007 | CN101089210A On-line high temp repair method for water gap base brick of steel ladle for steelmaking |
| 12/19/2007 | CN100355932C Ferrum base rare earth high-chromium steel capable of welding and of heat and abrasive endurance |
| 12/19/2007 | CN100355925C Micro-alloying production for 82B wire rod of steel strand |
| 12/19/2007 | CN100355912C Silicon-calcium-barium ferroalloy in use for steel making |
| 12/18/2007 | US7309465 Compacting copper, graphite, a lubricant, and atomized iron powder mixture to form into a sprocket shape, sintering the green compact in a non-oxidizing gas atmosphere, quenching and tempering |
| 12/12/2007 | CN101086912A A FeGa-RE magnetic-driven flexible materials and its making technology |
| 12/12/2007 | CN101086053A Nano crystal composite permanent-magnet alloy and its preparation method |
| 12/12/2007 | CN101086029A High Ca, silicon-free aluminum calcium iron alloy for deoxidising of molten steel and its preparation method |
| 12/06/2007 | WO2007139393A1 Grain refiners for steel - manufacturing methods and use |
| 12/06/2007 | DE102006027851B3 Sinter hardening powder for making granulated powder for use in manufacture of sintered compact, comprises iron as its primary composition, carbon, nickel, chromium, and molybdenum |
| 12/06/2007 | CA2653951A1 Grain refiners for steel - manufacturing methods and use |
| 12/05/2007 | EP1861515A1 Metal composites and methods for forming same |
| 12/05/2007 | CN101082112A 110Ksi grade CO2 H2S rust-proof oil well-pipe and manufacturing method |
| 12/05/2007 | CN101082106A Method for producing X65 pipe steel with low cost |
| 12/05/2007 | CN101082104A Nickel-free micro-alloy low-temperature pressure vessel steel and manufacturing method thereof |
| 12/05/2007 | CN101082099A Low-yield-ratio straight welding oil annular tube steel and manufacturing method thereof |
| 12/05/2007 | CN101082096A Spheroidal graphite cast iron, grey iron inoculant and method for product preparation and application as smelting cast iron |
| 12/05/2007 | CN101082095A Method for extracting nickel iron alloy from laterite ore |
| 12/05/2007 | CN100352965C Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength |
| 12/05/2007 | CN100352960C Refining method of chromium containing fused metal |
| 12/05/2007 | CN100352950C Melting process of weather-resistant steel |
| 11/29/2007 | WO2007136130A1 Piston for internal-combustion engines |
| 11/29/2007 | WO2007095658A3 Porous body containing mixed oxides made from an iron/chrome alloy for fuel cells |
| 11/29/2007 | DE10320397B4 Gusseisenlegierung für Zylinderkurbelgehäuse Cast iron alloy for cylinder crankcase |
| 11/28/2007 | EP1860203A1 R-T-B system rare earth permanent magnet |
| 11/28/2007 | EP1460652B1 R-t-b rare earth permanent magnet |
| 11/28/2007 | CN101078091A Casting high speed steel cutter and preparation method thereof |
| 11/28/2007 | CN101078090A Low-alloy high speed steel roll material and preparation method thereof |
| 11/28/2007 | CN101078087A Petroleum drilling machine winch brake hub novel material and preparation method thereof |
| 11/28/2007 | CN101078085A Solution strengthening isotropical steel and preparation method thereof |
| 11/28/2007 | CN101078083A Special-purpose multi-component low rare earth vermiculizer for producing thick wall Vermicular iron element by furnace cupola |
| 11/28/2007 | CN100351957C Rareearth magnet and making method therefor |
| 11/28/2007 | CN100351400C High-absorbility magnesium-feeding line desulfurizing method and its special apparatus |
| 11/27/2007 | US7300623 Wear resistance; reduced adhesion; mixture containing intermetallics |
| 11/27/2007 | US7300489 Machinability and wear characteristics of resultant compacted parts |
| 11/21/2007 | EP1338359B1 Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet |
| 11/21/2007 | CN101074472A Ultrahigh-strength and high-toughness welded cast steel |
| 11/21/2007 | CN101074468A Oxidative-resisting method for smelting iron filings |
| 11/21/2007 | CN100350066C High toughness low carbon bainite thick steel plate and its production method |
| 11/21/2007 | CN100350065C High tensile strength low carbon bainite thick steel plate and its production method |
| 11/21/2007 | CN100349691C Manufacture for casting low-alloy cold-working die steel and die steel thereby |
| 11/20/2007 | US7297177 Cold work steel |
| 11/15/2007 | WO2006107628A3 Intermetallic bonded diamond composite composition and methods of forming articles from same |
| 11/14/2007 | EP1853412A2 Guide tube end-piece, assembly and method |
| 11/14/2007 | EP1460650B1 R-t-b based rare earth element permanent magnet |
| 11/14/2007 | CN101070578A High-chromium cast-iron boiler atomizing piece and manufacturing method |
| 11/14/2007 | CN101069927A Sinter-hardening powder and their sintered compacts |
| 11/14/2007 | CN100348769C Preparation for block amorphous nanometer crystal double-phase composite soft magnetic alloy |
| 11/14/2007 | CN100348768C Steel for loader shovel tool blade and method for producing same |
| 11/14/2007 | CN100348765C Technique for smelting mother liquor of stainless steel from electric furnace |
| 11/14/2007 | CN100348764C Iron base sintered alloy, iron base sintered alloy member, method for production thereof, and oil pump rotor |
| 11/14/2007 | CN100348763C Method for manufacturing non-carbide segregation high-alloy ledeburite steel by phase transition resistance diffusion welding |
| 11/13/2007 | US7294167 alloys of molybdenum, chromium, silicon, cobalt and iron, formed by compacting and sintering powders having heat resistance, used as valve seats for heavy duty engines such diesel engines |
| 11/08/2007 | US20070259199 Oil pump |
| 11/07/2007 | EP1852199A1 Mg-CONTAINING OXIDE COATED IRON POWDER |
| 11/07/2007 | EP1850990A2 Copper-based alloys and their use for infiltration of powder metal parts |
| 11/07/2007 | CN101067184A High-silicon-chrome-molybdenum-copper cast iron |
| 11/07/2007 | CN101067183A Method for producing rare earth-containing niobium alloy with blast furnace waste slag after smelting from Baiyunebo mine |
| 11/07/2007 | CN101067182A V2O5 direct alloying steelmaking technology |
| 11/07/2007 | CN101067181A Method for producing large magnetostriction ferromagnesium alloy thin strip material |
| 11/07/2007 | CN101067180A Chronium-nickel alloy element electric furnace smelting recovery method from stainless steel dedusting ash |
| 11/07/2007 | CN101067179A Bottom-blowing medium-frequency smelting furnace and in-furnace auxiliary refining method |
| 11/07/2007 | CN100347329C ZnAl2O4 coated aluminium borate whister reinforced aluminium base or magnesium base composite meterial and its preparation method |
| 11/07/2007 | CN100347326C Alloy-steel seam-less steel-pipe and production method therefor |
| 11/07/2007 | CN100347324C Iron-based mixed powder for powder metallurgy, and iron-based sintering brequette |
| 11/06/2007 | CA2294362C Stainless steel powder |
| 11/01/2007 | WO2007079980A3 Bimetallic doctor blade with working edge produced by powder metallurgy |
| 10/31/2007 | CN101062519A Production technique for metamerism roller |
| 10/31/2007 | CN100346427C Magnet and electric motor using the same |
| 10/31/2007 | CN100345994C Austenitic nonmagnetic steel, and preparation method |
| 10/31/2007 | CN100345992C Technology of improving and stabilizing titanium recorery rate in titanium micro-alloyed high strength weether resistant sinelting and continuous casting process |
| 10/31/2007 | CN100345991C Color antirust iron and steel without paint |
| 10/25/2007 | WO2007120110A1 Cold-working steel |
| 10/25/2007 | WO2007119553A1 Process for producing rare-earth permanent magnet material |
| 10/25/2007 | WO2007119551A1 Method for producing rare earth permanent magnet material |
| 10/25/2007 | WO2006096559A3 Guide tube end-piece, assembly and method |
| 10/25/2007 | US20070248484 Steel Shell for a Suction Roll and a Method of Producing a Steel Product |
| 10/25/2007 | CA2644363A1 Cold-working steel |
| 10/24/2007 | CN200964425Y Drawing instrument for hand propelled ladle preparation |
| 10/24/2007 | CN101061243A Method of producing a copper-germanium-boron master alloy and its use in making silver-copper alloys |
| 10/24/2007 | CN100344786C High strength heat resistant antiwear vertical mill sheath and its making process |
| 10/23/2007 | US7285329 Fine composite metal particles and their production method, micro-bodies, and magnetic beads |
| 10/17/2007 | EP1844172A1 Iron-based powder combination |
| 10/17/2007 | CN101057001A Method for producing steel with high manganese and low carbon content and smelter |