| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 05/20/2009 | DE102007056144A1 Exhaust manifold or turbo-supercharger housings, useful in internal combustion engines, comprises iron-aluminum steel alloy composition comprising aluminum, chromium, elements of carbon, titanium, zirconium or vanadium, boron and niobium |
| 05/20/2009 | CN101437975A Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced |
| 05/20/2009 | CN101437974A Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent inresistance to crevice |
| 05/20/2009 | CN101437973A Martensitic stainless seamless steel pipe for oil well pipe, and method for producing the same |
| 05/20/2009 | CN101435484A Martensite stainless steel chain and application on sewage treating apparatus |
| 05/20/2009 | CN101435058A Economical austenitic stainless steel and technique for producing the same |
| 05/20/2009 | CN101435057A Novel low-cost free-cutting stainless steel 303B and manufacturing process thereof |
| 05/20/2009 | CN101435056A Novel low-cost free-cutting stainless steel 303C and manufacturing process thereof |
| 05/20/2009 | CN101435055A Casting type austenite stainless steel and manufacturing method thereof |
| 05/20/2009 | CN101435054A Ferritic stainless steel material for automobile exhaust gas passage components |
| 05/20/2009 | CN101435053A Nickel-chromium-rare earth powder metallurgy high-temperature alloy and use thereof |
| 05/20/2009 | CN101435052A Alloy constructional steel |
| 05/20/2009 | CN101435051A Tenacity excellent high intensity thick steel plate for high heat energy input welding heat influenced part |
| 05/20/2009 | CN101435050A Low temperature tenacity excellent low yield ratio high intensity steel plate for welding heat influenced part and mother plate, and manufacturing method thereof |
| 05/20/2009 | CN101433962A Powder metallurgy sleeve for chain and production method |
| 05/20/2009 | CN100489143C High-chromium alloy cast-iron concrete mixer lining board and method for manufacturing the same |
| 05/20/2009 | CN100489142C Steel for forging having excellent hydrogen embrittlement resistance and crankshaft |
| 05/20/2009 | CN100489141C High-temperature long-life self-lubricating wearproof alloy material |
| 05/20/2009 | CN100489140C Vertical grinding hollow abrading-resistant ball chemical composition control and thermal treatment process |
| 05/20/2009 | CN100489139C High-strength abrasion-proof cast steel lining board and manufacturing method thereof |
| 05/20/2009 | CN100489138C Balancing shaft and its forging method for engine |
| 05/20/2009 | CN100489137C Rare earth-iron-silicon base compound having primary magnetic phase change characteristics and its preparation method |
| 05/20/2009 | CN100489136C Welded joint of tempered martensite based heat-resistant steel |
| 05/20/2009 | CN100488649C Technology method for using thin slab for continuous casting and rolling to produce low-carbon high-niobium high-strength toughness steel belt |
| 05/19/2009 | US7534502 A galvanized alloy layer contains Mg, Al and Si, with a rest balance of Zn and impurities; post-painting corrosion resistance and brightness; controll the center line average roughness and filtered waviness curve; home electric appliances, automobiles and building materials |
| 05/19/2009 | US7534314 High carbon steel with superplasticity |
| 05/19/2009 | US7534312 Steel plate exhibiting excellent workability and method for producing the same |
| 05/19/2009 | CA2310335C High strength thin steel sheet, high strength galvannealed steel sheet and manufacturing method thereof |
| 05/14/2009 | WO2009062196A2 Amorphous alloy materials |
| 05/14/2009 | WO2009061274A1 Casted in cemented carbide components |
| 05/14/2009 | WO2009061073A1 High tensile steel for deep drawing and manufacturing method thereof |
| 05/14/2009 | WO2009061006A1 Steel plate for line pipes and steel pipes |
| 05/14/2009 | WO2009060900A1 Stainless steel product for polymer electrolyte fuel cell separators and polymer electrolyte fuel cells |
| 05/14/2009 | US20090123324 Iron-Base Alloy Containing Chromium-Tungsten Carbide And a Method Of Producing It |
| 05/14/2009 | US20090123323 Alloy compositions suitable for molten magnesium environments |
| 05/14/2009 | US20090123322 High-Speed Steel for Saw Blades |
| 05/14/2009 | US20090120542 Iron-nickel alloy strip for the manufacture of support grids for the integrated circuits |
| 05/14/2009 | US20090120541 High-Strength Steel Plate, Method of Producing the Same, and High-Strength Steel Pipe |
| 05/14/2009 | US20090120540 Cold die steel excellent in characteristic of suppressing dimensional change |
| 05/14/2009 | US20090120536 Ferritic Stainless steel material for automobile exhaust gas passage components |
| 05/14/2009 | US20090120535 Method of bonding steel members, method of enhancing bonding strength of united body formed of steel members, steel product, and die-cast product |
| 05/14/2009 | DE102007053748A1 Alloy comprises silicon, manganese, carbon, phosphorus, sulfur, chromium, molybdenum, tungsten, niobium, vanadium, nitrogen and iron, other elements and impurities |
| 05/14/2009 | CA2704068A1 Casted in cemented carbide components |
| 05/13/2009 | EP2058560A1 Pulley for continuously variable transmission |
| 05/13/2009 | EP2058415A1 Forged Austenitic Stainless Steel Alloy Components and Method Therefor |
| 05/13/2009 | EP2058414A1 High-strength spring steel wire, high-strength springs and processes for production of both |
| 05/13/2009 | EP2058413A1 Ferritic stainless steel sheet having excellent heat resistance |
| 05/13/2009 | EP2058412A1 Martensitic stainless steel for welded structure |
| 05/13/2009 | EP2058411A1 Steel for high-strength spring and heat-treated steel wire for high-strength spring |
| 05/13/2009 | EP2057298A1 Steel, and processing method for the production of higher-strength fracture-splittable machine components |
| 05/13/2009 | EP1920079B1 A maraging steel article and method of manufacture |
| 05/13/2009 | EP1442148B1 Duplex stainless steel |
| 05/13/2009 | CN101432456A High manganese high strength steel sheets with excellent crashworthiness, and method for manufacturing of it |
| 05/13/2009 | CN101432455A High strength steel plate with high manganese having excellent burring workability |
| 05/13/2009 | CN101432450A Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 05/13/2009 | CN101429630A Novel austenite cold-heading stainless steel and its steel wire production method |
| 05/13/2009 | CN101429629A Biphase stainless steel |
| 05/13/2009 | CN101429628A Austenite antimicrobial stainless steel |
| 05/13/2009 | CN101429627A Austenite valve steel and technique for producing the same |
| 05/13/2009 | CN101429626A Martensite air valve alloy and process for producing the same |
| 05/13/2009 | CN101429625A High-performance hot-working easy-cutting die steel |
| 05/13/2009 | CN101429624A High-speed tool steel |
| 05/13/2009 | CN101429623A Low-alloy high-speed steel |
| 05/13/2009 | CN101429622A Saturated carburizing steel |
| 05/13/2009 | CN101429621A Nitrogen intensified high-carbon twin crystal inducement plastic steel material and its production technique |
| 05/13/2009 | CN101429620A Phosphor intensified twin crystal inducement plastic steel material and its production technique |
| 05/13/2009 | CN101429619A High-strength steel tension rod and thermal treatment method thereof |
| 05/13/2009 | CN101429618A In-mold melting and diffusion forming gradient wear-resistant material and manufacturing method thereof |
| 05/13/2009 | CN101429617A Wave suction composite material with nanocrystalline structure and method for producing the same |
| 05/13/2009 | CN101429590A Process for producing twin crystal inducement plastic steel material with high carbon content |
| 05/13/2009 | CN101429589A High-strength abrasion-proof steel plate capable of soldering without thermal treatment and method of producing the same |
| 05/13/2009 | CN101429586A Steels with few alumina clusters |
| 05/13/2009 | CN101428292A Method of manufacturing high-strength hot rolled ribbed steel bar |
| 05/13/2009 | CN100487151C Manufacturing method for pressing-bend cool-forming round steel pipe with excellent shake proof property |
| 05/13/2009 | CN100487150C High-strength hot-rolled steel sheet excellent in chemical convertibility |
| 05/13/2009 | CN100487140C Method for heat-treating steel material |
| 05/13/2009 | CN100486758C Method for manufacturing low-iron-loss cold-rolled orientation free silicon steel plate using asynchronous rolling process |
| 05/12/2009 | US7531129 Stainless steel for high-pressure hydrogen gas |
| 05/12/2009 | US7531053 Fuel cell produced using a metallic material and its method of making |
| 05/12/2009 | US7531052 Continuous processed groove, formed by thermal energy in a longitudinal direction on one side of the strip at a position at a predetermined distance from one edge; and a continuous changed structure area formed by thermal energy in a longitudinal direction on the opposite side of the strip |
| 05/12/2009 | CA2503030C Stainless steel for proton-exchange membrane fuel cell separator and proton-exchange membrane fuel cell using the same |
| 05/12/2009 | CA2299674C Procedure for the fabrication of carbon steel bands by continuous casting between two cylinders |
| 05/07/2009 | WO2009057742A1 Composite magnetic material for magnet and method for manufacturing such material |
| 05/07/2009 | WO2009057731A1 Martensitic non-heat-treated steel for hot forging and non-heat-treated steel hot forgings |
| 05/07/2009 | WO2009057390A1 Steel pile having excellent enlarging properties, and method for production thereof |
| 05/07/2009 | WO2009056055A1 Steel plate with yield strength of 800mpa grade and low weld cracking sensitivity, and manufacture method thereof |
| 05/07/2009 | WO2006104834A3 High strength steel |
| 05/07/2009 | US20090116991 NOVEL Fe-Al ALLOY AND METHOD FOR PRODUCING THE SAME |
| 05/07/2009 | US20090114318 Seamless steel pipe for line pipe and a process for its manufacture |
| 05/07/2009 | CA2700655A1 Steel pipe with excellent expandability and method for producing the same |
| 05/06/2009 | EP2055798A1 Tool steel and manufacturing method thereof |
| 05/06/2009 | EP2055797A1 Iron-based alloy and process for producing the same |
| 05/06/2009 | EP2003215A9 Method for production of martensitic stainless steel pipe |
| 05/06/2009 | CN101426944A High-speed steel for saw blades |
| 05/06/2009 | CN101426943A Plated steel wire for PWS excelling in torsion property and process for producing the same |
| 05/06/2009 | CN101426942A Brake discs excellent in resistance to temper softening and toughness |
| 05/06/2009 | CN101426941A Brake disc having high temper softening resistance |
| 05/06/2009 | CN101426594A Process for producing stainless-steel pipe |
| 05/06/2009 | CN101423916A Low-alloy abrasion-proof and corrosion resistant steel and method for producing the same |
| 05/06/2009 | CN101423915A Reinforcement steel bar for medium-high strength hoop for rods for reinforcing concrete and method for producing the same |