| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 03/04/2009 | CN100465292C A rotating steel ladle refining furnace |
| 02/28/2009 | CA2639255A1 High temperature alloy |
| 02/26/2009 | WO2009024809A1 A valve seat insert and its method of production |
| 02/26/2009 | US20090053100 Cast heat-resistant austenitic steel with improved temperature creep properties and balanced alloying element additions and methodology for development of the same |
| 02/26/2009 | US20090050240 Magnetic metal power and method of producing the powder |
| 02/25/2009 | EP1755810B1 Iron-based gear wheels produced by a process comprising uniaxially compacting, sintering and surface densifying |
| 02/25/2009 | CN101372732A Preparation technique of martensite sterilizing stainless steel |
| 02/25/2009 | CN100463998C High-strength abrasion-proof thermostable nano alloyed steel material and producing method thereof |
| 02/25/2009 | CN100463994C Nb-Ti microalloying steel suitable for large line energy welding and smelting method therefor |
| 02/25/2009 | CN100463993C Low carbon equivalent micro-alloy steel pipe and on-line normalizing process thereof |
| 02/18/2009 | CN101370606A Rare earth sintered magnet and method for producing same |
| 02/18/2009 | CN101368249A Steel for boiler and method of producing the same |
| 02/18/2009 | CN101368248A Heat-resisting alloy steel for grate plate and method of producing the same |
| 02/18/2009 | CN101368244A Low-carbon ferromanganese manufacturing technique |
| 02/18/2009 | CN101368243A Production method for magnetic refrigeration working medium material Y2Fe17 at room temperature |
| 02/18/2009 | CN100463083C A FeGa-RE magnetic-driven flexible materials and its making technology |
| 02/18/2009 | CN100462469C Cold and hot shearing edge steel for shearing thick plate |
| 02/18/2009 | CN100462467C Whole set smelting device for ferrotitanium series product |
| 02/18/2009 | CN100462466C Method of producing low-temperature high-toughness steel and steel plate |
| 02/17/2009 | US7491256 With additives of calcium fluoride and hexagonal boron nitride; improved machinability |
| 02/12/2009 | WO2009019952A1 Iron-based mixed powder for powder metallurgy and iron powder sinter |
| 02/12/2009 | WO2008157340A3 Powder metal component tolerance improvements |
| 02/11/2009 | EP2021608A1 Piston for internal-combustion engines |
| 02/11/2009 | CN101364465A Permanent magnetic RE material and preparation thereof |
| 02/11/2009 | CN101363098A Austenite ductile iron with low nickle content and high manganses and chromium content and technology thereof |
| 02/11/2009 | CN101363097A Low-temperature impact resistant as-cast ductile iron with big section and production method thereof |
| 02/11/2009 | CN101363096A Smelting technology with slag of silicon-manganese and nickel iron alloys by ore furnace |
| 02/11/2009 | CN101363095A Health zinc ferro alloy steel plate, preparation method thereof and cooker prepared by said steel plate |
| 02/11/2009 | CN100460550C Sea water corrosion resistant steel for ocean drilling/production platform and preparation method thereof |
| 02/11/2009 | CN100460549C Process of producing hot rolled steel plate for cold formation |
| 02/05/2009 | WO2009016840A1 Multi-layered sintered slide member |
| 02/04/2009 | CN101358315A Technique for preparing high strength and superfine steel reinforcement |
| 02/04/2009 | CN101358262A Method for producing nodular cast iron crankshaft of large power air-conditioned compressor |
| 02/04/2009 | CN100457952C Casting high speed steel cutter and preparation method thereof |
| 02/04/2009 | CN100457951C High-nitrogen nickel-free bidirectional stainless steel alloy material and manufacture method thereof |
| 02/04/2009 | CN100457950C Rare earth modified ferroalloy in use for producing sanitary water-treater, and production method and application |
| 02/04/2009 | CN100457949C Method of controlling carbon content in ultra-low carbon high strength high toughness steel |
| 02/04/2009 | CN100457948C Metal-base nanometer composite material smelting process |
| 01/28/2009 | CN101353770A High strength stainless gear steel and preparation thereof |
| 01/28/2009 | CN101353760A High magnetic induction grain-oriented silicon steel and production method thereof |
| 01/28/2009 | CN101353758A Hot rolling high strength steel plate for two-sided porcelain enamel and manufacturing method thereof |
| 01/28/2009 | CN101353752A Novel CrAlTi(Y)N coating high strength nodular graphite cast iron and preparation thereof |
| 01/28/2009 | CN101353750A Refining method by in situ extraction of inclusion content in melting steel |
| 01/22/2009 | WO2009010445A2 Iron-based powder combination |
| 01/21/2009 | CN201183815Y Middle wrapping baking combustion nozzle |
| 01/21/2009 | CN101348888A Low nickel austenitic stainless steel and preparation thereof |
| 01/21/2009 | CN100453686C Casting high boron abrasion-proof stainless steel containing high hardness boride and preparation method thereof |
| 01/21/2009 | CN100453685C High Cr series stainless steel jointless oil well tube and its production method |
| 01/21/2009 | CN100453681C High boron wear-resisting casting steel and preparation process thereof |
| 01/21/2009 | CN100453678C Steel plate for hot-rolled double-side enamel and method for producing same |
| 01/21/2009 | CN100453674C Low cost, high-wearability hypereutectic high chromium cast iron and its production method |
| 01/15/2009 | WO2006110117A3 Method of manufacturing semi-finished product for ferro- and master alloys |
| 01/14/2009 | EP1471159B1 Bainite type non-refined steel for nitriding and nitrided product |
| 01/14/2009 | CN101346203A Metallurgical powder composition |
| 01/14/2009 | CN101346199A Lubricant for powder metallurgical compositions |
| 01/14/2009 | CN101343711A Method for producing nodular cast iron planetary supporter |
| 01/14/2009 | CN101343710A Direct feed-in-stove application method for dust separation briquetting of stainless steel |
| 01/14/2009 | CN100451157C Micro-alloy weldable cast steel tooth stand and preparation method thereof |
| 01/14/2009 | CN100451156C RE Invar alloy and its production process |
| 01/14/2009 | CN100451155C High-purity ferroboron |
| 01/14/2009 | CN100451152C Bainite ductile iron grinding ball and its producing process |
| 01/13/2009 | CA2476836C Alloy steel powder for powder metallurgy |
| 01/08/2009 | WO2009004994A1 Rare earth magnet |
| 01/08/2009 | WO2009004090A1 Process for casting a metal melt |
| 01/07/2009 | CN201176454Y Smelting furnace |
| 01/07/2009 | CN101341262A Process for production of compacted graphite iron |
| 01/07/2009 | CN101338396A Method for smelting very-low carbon and high silicon stainless steel by AOD |
| 01/07/2009 | CN100449027C High strength abrasion resistant steel and method for producing the same |
| 01/07/2009 | CN100449024C Alloy steel powder for powder metallurgy |
| 01/06/2009 | US7473296 Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same |
| 01/06/2009 | CA2333287C High stack factor amorphous metal ribbon and transformer cores |
| 12/31/2008 | WO2009003112A1 High strength, high toughness rotating shaft material |
| 12/31/2008 | WO2009001841A1 Flaky graphite cast iron, and method for production thereof |
| 12/31/2008 | CN101333628A Bridge structural steel plate and producing method thereof |
| 12/31/2008 | CN101333627A Stainless steel wire rod for standard parts and method for manufacturing same |
| 12/31/2008 | CN101333625A High temperature resistant and abrasion resistant martensitic stainless steel and preparation method |
| 12/31/2008 | CN101333624A Anti-H2S stress corrosion high pressure resistant forgings and method for manufacturing same |
| 12/31/2008 | CN101333622A Water supply pipe material, preparation method and application thereof |
| 12/31/2008 | CN101333620A High grade non- oriented silicon steel and method for manufacturing same |
| 12/31/2008 | CN101333619A Technological process for controlling secondary recrystallization crystal particle dimension of oriented silicon steel |
| 12/31/2008 | CN101333618A Long-acting synthesizing process of heavy sectioned ductile iron |
| 12/31/2008 | CN101333617A Stabilizing process for treating aluminium-silicon killed steel by sealed argon-blowing method |
| 12/31/2008 | CN100447286C High strength anti-corrosion easy processing and low magnetic cast steel for manufacturing ship weldable structure |
| 12/31/2008 | CN100447278C Thick steel plate capable of being welded under large heat input and method for manufacturing the same |
| 12/31/2008 | CN100447274C Particle reinforced steel-base composite material roller by in-situ synthesis and process for preparing same |
| 12/31/2008 | CN100447272C Electric arc furnace smelting stainless steel mother liquid steel slag foaming agent |
| 12/31/2008 | CN100447271C Method for smelting carbon dioxide corrosion resistant steel |
| 12/31/2008 | CA2691795A1 High strength, high toughness rotating shaft material |
| 12/30/2008 | US7470332 Production method for soft magnetic sintered member |
| 12/30/2008 | CA2318112C Steel powder for the preparation of sintered products |
| 12/24/2008 | WO2008157340A2 Powder metal component tolerance improvements |
| 12/24/2008 | EP2004870A1 Cold-working steel |
| 12/24/2008 | CN101328557A Toughening processing method of hard phase Fe2B in iron boron wear-resistant alloy |
| 12/24/2008 | CN101328556A Toughening processing method of hard phase Fe3C in plain white cast iron |
| 12/24/2008 | CN101328555A Mixing method of high quality low phosphor and sulfur high-alloy steel |
| 12/24/2008 | CN100445410C Nano-crystal soft magnetic alloy material and its production |
| 12/24/2008 | CN100445401C Method and device for preparing gradient composite material using high intensity gradient magnetic field |
| 12/18/2008 | WO2008153499A1 Iron-based powder and composition thereof |
| 12/18/2008 | CA2689286A1 Iron-based powder and composition thereof |
| 12/17/2008 | EP1853412A4 Guide tube end-piece, assembly and method |