| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/30/2008 | CN101168825A Diphase stainless steel with special magnetic property and manufacturing method thereof |
| 04/30/2008 | CN101168824A Leadless easy-cutting steel for medium-hard tooth face heavy load gear wheel and preparation method thereof |
| 04/30/2008 | CN101168823A Steel for high-plasticity continuous oil pipe and manufacturing method thereof |
| 04/30/2008 | CN101168822A High ductility nickel-free ferrite stainless steel and manufacturing method thereof |
| 04/30/2008 | CN101168821A Disc type brake block steel back and manufacturing method thereof |
| 04/30/2008 | CN101168820A Method for producing titanium alloy braking drum |
| 04/30/2008 | CN101168819A Vanadium-containing hot rolled steel plate and preparation method thereof |
| 04/30/2008 | CN101168818A Fe-36Ni based alloy wire and manufacturing method thereof |
| 04/30/2008 | CN101168169A Technology method for using thin slab for continuous casting and rolling to produce low-carbon high-niobium high-strength toughness steel belt |
| 04/30/2008 | CN100385032C Middle content chromium copper, iron-containing antiseptic anticreas rustless steel sheet belt and its production method |
| 04/30/2008 | CN100385031C Method of preparing microcarbon aluminium-iron alloy by directly reducing iron |
| 04/30/2008 | CN100385030C Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength |
| 04/30/2008 | CN100385019C Process of production and production system of high strength galvannealed steel sheet |
| 04/29/2008 | US7364628 Rare earth, iron, nitrogen and hydrogen system; high density, lightweight; heat and oxidation resistance |
| 04/29/2008 | CA2497920C Alloyed steel powder with improved degree of sintering for metal injection molding and sintered body |
| 04/29/2008 | CA2444286C Sulfur-containing free-cutting steel for machine structural use |
| 04/29/2008 | CA2437658C Heat-treated steel wire for high strength spring |
| 04/29/2008 | CA2324499C Steel material for hot work tools |
| 04/29/2008 | CA2184850C A high temperature process for making an iron-nickel superalloy 706 body |
| 04/24/2008 | WO2008049069A2 Improved processing method for the production of amorphous/nanoscale/near nanoscale steel sheet |
| 04/24/2008 | WO2008048030A1 Ferritic stainless steel having excellent formability of welded zone and corrosion resistance, and method for manufacturing the same |
| 04/24/2008 | WO2008047806A1 Cold work die steel, die, and method for production of cold work die steel |
| 04/24/2008 | US20080096037 Steel Strip for Spreading Knives, Doctor Blades and Crepe Scrapers and Powder Metallurgical Method for Producing the Same |
| 04/24/2008 | US20080095657 pearlite-free microstructure, control the microstructure and hardness levels; powertrain gear which can be surface hardened by carburizing or induction hardening; austenitic steel has microstructure containing bainite martensite and/or ferrite |
| 04/24/2008 | US20080095656 resistant to pitting and crevice corrosion, containing 4-6% (Mo+W/2) by weight, produce alloy sheets without deterioration properties; good strength, impact strength, good weldability; use in chemical industry, power plants and seawater applications |
| 04/24/2008 | US20080095655 metal cathodes has a modified surface roughness for promoting the adhesion of copper electrodeposition without the mechanical separation; low concentration of nickel or molybdenum; permanent or reusable |
| 04/24/2008 | US20080092996 Steel containing C 0.1% to 0.5%; Si + Al 0.5% to 3%; Mn 0.5% to 3%; P 0.15% or less; S 0.02% or less; superior in elongation and also in the balance of strength and reduction of area even if the working ratio is set high; single heat treatment, forging, tempering, quenching |
| 04/24/2008 | CA2667095A1 Improved processing method for the production of amorphous/nanoscale/near nanoscale steel sheet |
| 04/23/2008 | EP1914324A1 Process for producing seamless steel pipe |
| 04/23/2008 | EP1913169A1 Method of producing high-strength steel plates with excellent ductility and plates thus produced |
| 04/23/2008 | CN101166844A Tempered martensitic steel, method of producing a part from said steel and part thus obtained |
| 04/23/2008 | CN101166843A High-strength steel sheet plated with zinc by hot dipping with excellent formability and process for producing the same |
| 04/23/2008 | CN101166842A Oxygen activating material, combustion efficiency improving material, plant growth promoting material, aerobic microorganism activating material, animal growth promoting and activating material, muscl |
| 04/23/2008 | CN101165203A Ultrahigh-intensity high-toughness X120 pipe line steel and manufacturing method thereof |
| 04/23/2008 | CN101165202A High-strength steel with high welding heat influence area toughness and manufacturing method thereof |
| 04/23/2008 | CN101165201A High-strength steel plate and method for manufacturing the same |
| 04/23/2008 | CN100383273C Work-hardened material from stainless steel |
| 04/23/2008 | CN100383257C Protective inner cover for annealing stainless steel |
| 04/23/2008 | CN100383256C Dephosphorization agent for chromium-containing molten iron |
| 04/22/2008 | US7361411 Hardfacing alloy, methods, and products |
| 04/22/2008 | US7361237 Smelting. hot rolling, cold rolling, crystallization |
| 04/22/2008 | US7361236 Toughness; high strength; containing carbides; oil well pipes |
| 04/22/2008 | US7361235 sufficient alpha to gamma transformation during heat treatment is ensured by suppressing the bonding of Ti with C thereby to maintain the C concentration in the matrix even when Ti is added to the oxide dispersion strengthened ferritic steel |
| 04/22/2008 | CA2509638C Austenitic stainless steel |
| 04/17/2008 | WO2008045631A2 Low yield ratio dual phase steel linepipe with superior strain aging resistance |
| 04/17/2008 | WO2008044859A1 Steel wire rod for high strength and high toughness spring having excellent cold workability, method for producing the same and method for producing spring by using the same |
| 04/17/2008 | WO2008044356A1 High-strength steel wire excelling in ductility and process for producing the same |
| 04/17/2008 | WO2008044354A1 High-strength wire rod excelling in wire drawability and process for producing the same |
| 04/17/2008 | WO2008044299A1 Brake discs excellent in resistance to temper softening and toughness |
| 04/17/2008 | WO2008023121A3 Steel composition for special uses, in particular in the automotive field |
| 04/17/2008 | US20080091267 Medical devices including hardened alloys |
| 04/17/2008 | US20080089804 Carbon, Silicon, Manganese, Sulfur, Chromium, Lead, Tellurium, Boron, Oxygen, Iron and impurities of Nitrogen and phosphorus; machinability, hot workability, cold workability, toughness |
| 04/17/2008 | US20080089803 Carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, copper, titanium, aluminum, nitrogen and iron; high temperature strength; tubes of chemical plants, boilers of power plants, heat-resistant, pressure-resistant plates, bars, forged parts |
| 04/17/2008 | DE19934989B4 Magnetisches Verbundelement, Verfahren zum Herstellen des ferromagnetischen Teils desselben sowie Verfahren zum Herstellen des unmagnetischen Teils desselben Of the same composite magnetic element, the same method for manufacturing the ferromagnetic portion and method of manufacturing the non-magnetic portion |
| 04/17/2008 | DE112005003112T5 Hochfestes Stahlblech und Verfahren zu dessen Herstellung A high-strength steel sheet and process for its preparation |
| 04/16/2008 | EP1911932A2 Turbine rotor and steam turbine |
| 04/16/2008 | EP1911857A1 Low-alloy steel for oil well tube having excellent sulfide stress cracking resistance |
| 04/16/2008 | EP1910583A1 Corrosion-resistant, cold-formable, machinable, high strength, martensitic stainless steel |
| 04/16/2008 | EP1909997A2 Corrosion resistant metallurgical powder compositions, methods, and compacted articles |
| 04/16/2008 | EP1909994A1 Production of thin steel strip |
| 04/16/2008 | CN101163809A Iron-based sintered alloy |
| 04/16/2008 | CN101163808A 低合金钢 Low Alloy Steel |
| 04/16/2008 | CN101163807A High tension steel plate, welded steel pipe and method for production thereof |
| 04/16/2008 | CN101161850A Copper-ageing hardening bainite large-section plastic mould steel and manufacturing technique thereof |
| 04/16/2008 | CN101161849A Method for improving performance of 700MPa grade V-N micro-alloying high-strength weathering steel |
| 04/16/2008 | CN101161848A Corrosion resisting alloy sand and preparation method thereof |
| 04/16/2008 | CN101161847A High-ductility steel for hot-bending bends and production method for hot rolled plates thereof |
| 04/16/2008 | CN101161843A Method for improving utilization ratio of V-N micro-alloying high-strength steel vanadium alloy |
| 04/16/2008 | CN101161842A Method for determining Ti addition amount of 700MPa grade Ti micro-alloying high-strength weathering steel |
| 04/16/2008 | CN100382367C Solid electrolyte membrane fuel cell metal bipolar plate containing nitrogen carbon surface and method for manufacturing same |
| 04/16/2008 | CN100381600C Multi-element alloyed ultra-high manganese hammer and preparation process thereof |
| 04/16/2008 | CN100381599C Low cost high-speed steel |
| 04/16/2008 | CN100381598C Orientating silicon steel, manufacturing process and equipment thereof |
| 04/16/2008 | CN100381597C Hot rolled steel sheet and method for production thereof |
| 04/16/2008 | CN100381590C Corrosion and wear resistant alloy |
| 04/16/2008 | CN100381589C Method of producing austenitic iron/carbon/manganese steel sheets having a high strength and excellent toughness and being suitable for cold forming, and sheets produced thereby |
| 04/16/2008 | CN100381587C Process for preparing low-alloy wear-resistant steel without high temperature heat treatment |
| 04/15/2008 | US7357060 Vehicle armor |
| 04/15/2008 | CA2463783C Martensitic stainless steel and method for manufacturing same |
| 04/15/2008 | CA2337474C Spectacle frames, unalterable at different temperatures and the process for making them |
| 04/10/2008 | WO2008041880A1 Hot and corrosion-resistant steel |
| 04/10/2008 | WO2008041638A1 Process for producing metastable austenitic stainless steel strip excelling in fatigue property and the steel strip |
| 04/10/2008 | WO2008041588A1 Soft-magnetic iron composite powder for producing soft-magnetic composite material with high resistivity and low iron loss |
| 04/10/2008 | WO2007144516A3 Duplex stainless steel |
| 04/10/2008 | DE10310572B4 Permanentmagnet, Verfahren zu seiner Herstellung, Rotor und Motor Permanent magnet, method for its production, rotor and motor |
| 04/09/2008 | EP1908855A1 Nozzle beam for the treatment of textile |
| 04/09/2008 | EP1546426B1 Steel composition and parts forged by a forging die |
| 04/09/2008 | EP1063313B1 Steel wire and method of manufacturing the same |
| 04/09/2008 | CN201045441Y Improved workholding jaw plate |
| 04/09/2008 | CN101160183A Process and installation for producing a lightweight structural steel with a high manganese content |
| 04/09/2008 | CN101158011A Martensitic free cutting stainless steel |
| 04/09/2008 | CN101158010A Hot dip zinc plated steel sheet having high strength and method for producing the same |
| 04/09/2008 | CN101158009A Hot dip zinc plated steel sheet having high strength and method for producing the same |
| 04/09/2008 | CN101158008A Metal mesh screen |
| 04/09/2008 | CN101158007A Ferritic stainless steel and preparation method thereof |
| 04/09/2008 | CN101158005A Method for improving low-alloy high-strength steel structure and performance |
| 04/09/2008 | CN100380536C Magnetic powder and bound magnet |
| 04/08/2008 | US7354487 Cooled and annealed bainite steel part, and a method of manufacturing it |
| 04/08/2008 | CA2465146C Cold work steel article |
| 04/08/2008 | CA2384563C Stainless steel tube for automobile structure |