| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/08/2009 | CN101403071A High-alloy hot work steel and producing method thereof |
| 04/08/2009 | CN101403070A High-tension heavy steel plate with excellent base metal tenacity for soldering |
| 04/08/2009 | CN101403069A Hot-rolled U shaped metal sheet pile and microalloying production method |
| 04/08/2009 | CN101402138A Powder alloy smithing float grease seal ring with upper and lower double-layer and method of producing the same |
| 04/08/2009 | CN100477346C Substrate containing metal oxide and method for production thereof |
| 04/08/2009 | CN100476008C Plasma surface metallurgical high chromium high molybdenum high-carbon steel and preparation method thereof |
| 04/08/2009 | CN100476007C CSP production process of steel for automobile crossbeam |
| 04/08/2009 | CN100476006C Smelting process of SPHD level cold rolled deep-drawing steel |
| 04/08/2009 | CN100476005C High tensile strength steel material having excellent weldability and toughness and class tensile strength above 550MPa, and manufacturing method therefor |
| 04/08/2009 | CN100476004C Non-oriented silicon steel sheet having excellent core loss and production method thereof |
| 04/08/2009 | CN100476003C Steel for steel pipes |
| 04/08/2009 | CN100475998C Rare earth aluminum iron alloy |
| 04/08/2009 | CN100475982C Method of continuous casting non-oriented electrical steel strip |
| 04/08/2009 | CN100475430C Manufacturing process of chain wheel for chain saw |
| 04/07/2009 | US7515395 Material of case for storage cell |
| 04/07/2009 | US7514154 Exhibits good work adhesion between the steel blank and the organic resin film even when the thickness is reduced due to a severe working such as flanging and necking; chromium free; cans with good corrosion resistance |
| 04/07/2009 | US7513960 Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same |
| 04/07/2009 | US7513959 Non-oriented electrical steel sheet and method for manufacturing the same |
| 04/07/2009 | CA2314624C Manufacturing process for iron-carbon-manganese alloy strips, and strips produced thereby |
| 04/07/2009 | CA2239478C Austenoferritic very low nickel stainless steel with high tensile elongation |
| 04/07/2009 | CA2230443C Process for the production of ultrafine particles |
| 04/02/2009 | WO2009041703A1 Hot-rolled shape steel for crude oil tanks and process for manufacturing the same |
| 04/02/2009 | WO2009041430A1 Ferritic stainless steel having excellent atmospheric corrosion resistance |
| 04/02/2009 | WO2009039643A1 Producing nickel hydroxide suitable for pelletization with iron-containing ore and for stainless steel manufacture |
| 04/02/2009 | US20090087337 Case-hardening steel excellent in cold forgeability and low carburization distortion property |
| 04/02/2009 | US20090087336 High-carbon steel wire rod of high ductility |
| 04/02/2009 | US20090087335 Fire resistant steel and method of production of same |
| 04/02/2009 | US20090085820 Magnetic material, magnetic sheet, and portable electronic apparatus |
| 04/02/2009 | DE102007047016A1 Inexpensive, high-strength, martensitically hardenable steel, useful for producing automobile fuel injector components, has low alloying element content and is free of cobalt |
| 04/02/2009 | CA2700959A1 Producing nickel hydroxide suitable for pelletization with iron-containing ore and for stainless steel manufacture |
| 04/01/2009 | EP2043114A1 R-Fe-B MICROCRYSTALLINE HIGH-DENSITY MAGNET AND PROCESS FOR PRODUCTION THEREOF |
| 04/01/2009 | EP2042616A1 ROLLED AUSTENITE STAINLESS STEEL PLATE HAVING THICHKESS OF 100 mm OR MORE AND METHOD FOR PRODUCTION THEREOF |
| 04/01/2009 | EP2042615A1 Brake discs excellent in resistance to temper softening and toughness |
| 04/01/2009 | EP2041330A2 Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced |
| 04/01/2009 | EP1794337A4 Low cost amorphous steel |
| 04/01/2009 | EP1325966B1 Super-high strength cold-rolled steel sheet and method for production thereof |
| 04/01/2009 | CN101400818A Spring steel, method for producing a spring using said steel and a spring made from such steel |
| 04/01/2009 | CN101400817A Cold-rolled steel sheet, process for producing the same, and cell and process for producing the same |
| 04/01/2009 | CN101400816A High-strength hot rolled steel sheet having excellent composite moldability |
| 04/01/2009 | CN101400815A Steel sheet for submerged arc welding |
| 04/01/2009 | CN101400814A Low-carbon resulfurized free-cutting steel material |
| 04/01/2009 | CN101400813A Steel sheet with less weld buckling deformation, and process for producing the same |
| 04/01/2009 | CN101400809A 滚动轴承 Rolling |
| 04/01/2009 | CN101399466A Improved stepping motor |
| 04/01/2009 | CN101397643A Novel phosphorus and sulphur pig iron for aluminum electrolysis |
| 04/01/2009 | CN101397642A Heat-resistant steel for coke oven grate bars |
| 04/01/2009 | CN101397641A Welding structure steel with yield strength of 950MPa grade |
| 04/01/2009 | CN101397640A Welding structure steel with yield strength of 960MPa grade |
| 04/01/2009 | CN101397639A Guide plate for seamless steel pipe punching machine |
| 04/01/2009 | CN101397638A Ferritic stainless steel for automobile exhaust emission system |
| 04/01/2009 | CN101397637A 13Cr high anti-carbon dioxide and trace hydrogen sulfide corrosion tubing and casing steel and method for producing the same |
| 04/01/2009 | CN101397636A High toughness ring chain steel for mine and method for producing the same |
| 04/01/2009 | CN101397635A 12Cr2Mo1R thick steel plate for equipment contacting hydrogen and method for producing the same |
| 04/01/2009 | CN101397634A Atmospheric corrosion resistant 08CrNiCu low-alloy high intensity non-annealed cold-forging steel and production process |
| 04/01/2009 | CN101397633A Sulphur and copper-containing free-cutting stainless steel and preparation method thereof |
| 04/01/2009 | CN101397632A Multielement low-alloy water quenching abrasion resistant steel |
| 04/01/2009 | CN101397631A Case-hardened steel with good cold-forging performance and low carburized deformation performance |
| 04/01/2009 | CN101397630A Cold-work tool steel article |
| 04/01/2009 | CN101397629A High intensity variable section spring piece under high stress and method for producing the same |
| 04/01/2009 | CN101397628A Continuous casting bearing steel round steel and method for producing the same |
| 04/01/2009 | CN101397627A Fire resistant and weather resistant anti-shock steel and method for producing the same |
| 04/01/2009 | CN101397626A High intensity and high-toughness hot-rolled steel sheet and method for producing the same |
| 04/01/2009 | CN101397625A Superfine grain steel sheet with yield strength of 420 MPa grade and method for producing the same |
| 04/01/2009 | CN100473750C Technical method for preparing cold work die steel in high alloy through jetting deposition |
| 04/01/2009 | CN100473747C Manufacturing method of high intensity stainless steel resisting spot corrosion |
| 04/01/2009 | CN100473746C High-strength pinion steel for vehicles |
| 04/01/2009 | CN100473745C Oil well tube resisting stress corrosion of H2S and manufacture method thereof |
| 04/01/2009 | CN100473744C Method for preparing rare-earth containing high temperature oxidation resistant ferritic stainless steel |
| 04/01/2009 | CN100473743C Stamping high-strength heating galvanized steel with excellent welding performance and method for manufacturing the same |
| 04/01/2009 | CN100473742C Hot-rolled fine-grained steel for electrostatic enamel and manufacturing method thereof |
| 04/01/2009 | CN100473741C Soft tin-plate and making process thereof |
| 04/01/2009 | CN100473740C Soft tin-plate of hardness HR30T 51+/-3 and making process thereof |
| 04/01/2009 | CN100473739C Manufacturing method for high-strength straight welding oil annular tube steel |
| 04/01/2009 | CN100473738C Solution strengthening isotropical steel and preparation method thereof |
| 04/01/2009 | CN100473737C Wear-resistant bainite cast steel liner plate and manufacture process thereof |
| 04/01/2009 | CN100473736C Martensitic stainless steel tube |
| 04/01/2009 | CN100473730C Steel tube excellent in exfoliating resistance for scale on inner surface of tube |
| 03/31/2009 | US7510614 High strength bolt excellent in delayed fracture resistance and method of production of same |
| 03/26/2009 | WO2009038160A1 Low alloy steel for high-pressure hydrogen gas environment, and container for high-pressure hydrogen |
| 03/26/2009 | US20090081071 Rare earth permanent magnet alloy and producing method thereof |
| 03/26/2009 | US20090081070 Metal alloy for golf club head |
| 03/26/2009 | US20090081069 Austenitic stainless steel |
| 03/26/2009 | US20090081068 Ultra-High Strength Stainless Steels |
| 03/26/2009 | US20090078341 Steel pipe as fuel injection pipe |
| 03/26/2009 | US20090078339 Workpiece designed for rolling stresses and formed of fully hardening steel, and a heat treatment process therefor |
| 03/25/2009 | EP2039793A1 High-strength steel pipe with excellent unsusceptibility to strain aging for line piping, high-strength steel plate for line piping, and processes for producing these |
| 03/25/2009 | EP2039792A1 Unidirectionally grain oriented electromagnetic steel sheet having excellent iron loss properties |
| 03/25/2009 | EP2039791A1 High-strength steel sheet and process for producing the same |
| 03/25/2009 | EP2039786A1 Cooling method of steel pipe |
| 03/25/2009 | EP2038445A2 Duplex stainless steel |
| 03/25/2009 | EP2038115A1 Reactor from plated stainless steel for the continuous heterogeneously catalyzed partial dehydration of at least one hydrocarbon to be dehydrated, and corresponding method |
| 03/25/2009 | EP2000548A9 Arc start material for electroslag redissolution of super alloy and arc stating method employing that arc start material |
| 03/25/2009 | EP1805339A4 High strength cold rolled steel sheet having excellent shape freezability, and method for manufacturing the same |
| 03/25/2009 | EP1577407B1 Alloyed-molten-zinc-plated steel sheet with excellent processability and high strength and process for producing the same |
| 03/25/2009 | EP1452616B1 Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 03/25/2009 | EP1273670B1 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
| 03/25/2009 | CN101395293A Surface-treated stainless-steel sheet excellent in salt damage/corrosion resistance and weld reliability for automotive fuel tank and for automotive fuel pipe and surface-treated stainless-steel weld |
| 03/25/2009 | CN101395292A Refractory steel material with excellent welded-joint toughness and process for producing the same |
| 03/25/2009 | CN101395291A Piston ring material for internal combustion engine |
| 03/25/2009 | CN101395284A Process for producing grain-oriented magnetic steel sheet with excellent magnetic property |