| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 02/15/2000 | US6024276 Method for bonding dual-phase stainless steel |
| 02/15/2000 | US6023942 Process for liquefaction of natural gas |
| 02/10/2000 | WO2000006792A1 Permanent magnetic alloy with excellent heat resistance and process for producing the same |
| 02/10/2000 | WO2000006791A1 Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof |
| 02/10/2000 | WO2000006790A1 Steel for making a ball bearing part |
| 02/10/2000 | WO2000006789A1 High-strength, high-toughness rolled shape steel and production method thereof |
| 02/10/2000 | DE19934989A1 Composite magnetic element, useful for motor rotors and magnetic balances, consists of a chromium-aluminum steel with a nonmagnetic portion and a ferromagnetic portion having a specified low carbide content and coarse grain size |
| 02/10/2000 | DE19919889A1 Chirurgische Nadel Surgical Needle |
| 02/09/2000 | EP0977901A1 High-strength, anti-corrosive iron-manganese-chrome alloy |
| 02/09/2000 | EP0737757B1 High-strength ferritic heat-resistant steel and process for producing the same |
| 02/09/2000 | CN1244220A Process for the treatment of grain oriented silicon steel |
| 02/09/2000 | CN1243887A High-stress and high-toughness steel for elastic bar of railway |
| 02/03/2000 | WO2000005518A1 Damping plate |
| 02/03/2000 | WO2000005428A1 Low alloy build up material |
| 02/03/2000 | DE19834552A1 Oxidationsbeständige Metallfolie Oxidation-resistant metal foil |
| 02/03/2000 | DE19834361A1 Precision deep-drawn case-hardened component, especially a roller bearing and motor component e.g. a needle bearing, sleeve or bush, is made from a cold rolled strip of steel with specified titanium, nitrogen and low aluminum contents |
| 02/02/2000 | EP0976844A2 Steel alloys |
| 02/02/2000 | EP0976541A1 Composite wire comprising a core of carbon steel and an outer layer of stainless steel |
| 02/02/2000 | EP0912264B1 Process for manufacture of precision steel tubes |
| 02/02/2000 | EP0787048B1 Manganese containing materials having high tensile strength |
| 02/02/2000 | EP0721996B1 Long life bearing steel with a high carbon content |
| 02/02/2000 | CN1243546A Steel plates for drum cans, method of manufacturing same, and drum can |
| 02/02/2000 | CN1243170A Top material for perforating steel pipe |
| 02/02/2000 | CN1243169A Alloy steel |
| 02/02/2000 | CN1049015C High-sulfur alloy steel and production method |
| 02/01/2000 | US6019938 High ductility very clean non-micro banded die casting steel |
| 01/27/2000 | WO2000004200A1 High-strength steel plate reduced in softening in weld heat-affected zone |
| 01/27/2000 | WO2000004199A1 Clean steel |
| 01/27/2000 | WO2000004198A1 Fe ALLOY MATERIAL FOR THIXOCASTING AND METHOD FOR HEATING THE SAME |
| 01/26/2000 | EP0974986A2 Rare earth permanent magnet of high corrosion resistance |
| 01/26/2000 | EP0974679A2 Ductile nickel-iron-chromium alloy |
| 01/26/2000 | EP0974678A1 Process and steel for the manufacturing of welded vessels, intended for use in the presence of hydrogen sulphide |
| 01/26/2000 | EP0974677A1 High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof |
| 01/26/2000 | EP0974676A2 Process for thermo-mechanically treating steel for torsion spring elements |
| 01/26/2000 | CN2360421Y Prodn. equipment for prepn. of neodymium-iron-boron rare-earth permanent-magnet mother alloy |
| 01/26/2000 | CN1242433A Steel with high strength and high tenacity structure |
| 01/26/2000 | CN1048760C Stainless steel for dilute sulfuric acid |
| 01/25/2000 | US6017641 Coil spring comprising oil-tempered steel wire with internal hardness of more than hv 550 and which has been decarburized during heating prior to quenching; automobile internal combustion engine valve springs |
| 01/25/2000 | US6017402 Composite magnetostrictive material, and process for producing the same |
| 01/25/2000 | US6016665 Cascade refrigeration process for liquefaction of natural gas |
| 01/25/2000 | CA2194067C Warm forming high-strength steel structural members |
| 01/24/2000 | CA2279008A1 Ductile nickel-iron-chromium alloy |
| 01/21/2000 | CA2278407A1 Method and steel product for obtaining a sheet-metal enclosure for use in the presence of hydrogen sulphide |
| 01/20/2000 | WO2000003050A1 HIGH Cr FERRITIC HEAT RESISTANCE STEEL |
| 01/20/2000 | WO2000003043A1 Method for producing raw plate for surface treatment plate for can using continuous annealing |
| 01/19/2000 | EP0972090A1 Steel and process for the manufacture of a part for ball bearing |
| 01/19/2000 | EP0972087A1 High-tensile-strength steel and method of manufacturing the same |
| 01/19/2000 | CN1242058A Process for the production of grain oriented silicon steel sheet |
| 01/19/2000 | CN1242057A Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 01/19/2000 | CN1241645A Diamond saw blade base steel and its smelting process |
| 01/18/2000 | US6016029 Hot rolled low carbon steel subjected to cold rolling and annealing; excellent inner shield characteristics and improved handling strength |
| 01/18/2000 | US6015775 Self-lubricating sintered sliding material and method for manufacturing the same |
| 01/18/2000 | US6015446 PM hot-work steel and method of producing the same |
| 01/18/2000 | CA2055154C Martensitic stainless steel |
| 01/12/2000 | EP0971425A1 Battery and method of its manufacture |
| 01/12/2000 | EP0971045A1 Austenitic stainless steel excellent in resistance to sulfuric acid corrosion and workability |
| 01/12/2000 | EP0971044A1 Clad hot-rolled and cold-rolled steel sheet, presenting a very high resistance after thermal treatment |
| 01/12/2000 | EP0970648A1 Copper core cooking griddle and method of making same |
| 01/12/2000 | EP0638653B1 Process for producing chromium-containing stainless steel strip with excellent toughness |
| 01/12/2000 | CN1241283A Thin magnet alloy belt and resin-bonded magnet |
| 01/12/2000 | CN1241221A Ferritic stainless steel plate of high deep drawability and ridging resistance and method of mfg. same |
| 01/12/2000 | CN1241220A Thick cold rolled steel sheet excellent in deep drawability and method of mfg. same |
| 01/12/2000 | CN1241219A High-strength steel having high impact energy absorption power and method for mfg. same |
| 01/12/2000 | CN1240839A Corrosion-resistant low-nickel austenitic stainless steel |
| 01/12/2000 | CN1240838A High-strength and high-toughness steel alloyed only with copper element |
| 01/12/2000 | CN1048285C Method for making ultralow carbon cold-rolled steel plate |
| 01/06/2000 | WO2000000658A1 Case hardened steel with high tempering temperature, method for obtaining same and parts formed with said steel |
| 01/06/2000 | WO2000000657A1 Cold rolled steel sheet excellent in baking hardenability |
| 01/05/2000 | EP0969113A1 Stainless austenitic steel with low nickel content |
| 01/05/2000 | EP0969112A1 Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same |
| 01/05/2000 | EP0859869B1 High-strength, notch-ductile precipitation-hardening stainless steel alloy |
| 01/05/2000 | EP0751232B1 Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability, and method of manufacturing the same |
| 01/05/2000 | EP0704686B1 Stress sensor |
| 01/05/2000 | DE19828048A1 Chains or chain components especially high strength sliding chains useful as hoist or support chains and in chain scraper conveyors used in coal mines |
| 01/02/2000 | CA2274634A1 Corrosion-resistant austenitic stainless steel with low nickel content |
| 12/29/1999 | WO1999067437A1 Steel wire rod and method of manufacturing steel for the same |
| 12/29/1999 | EP0967567A1 A chip card comprising an imaged image-receiving layer |
| 12/29/1999 | EP0966549A1 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 12/29/1999 | EP0966548A1 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 12/29/1999 | EP0966547A1 Method for producing a highly resistant, very ductile steel strip |
| 12/29/1999 | CN1240020A Working method of once-through boiler and once-through boiler using the method |
| 12/28/1999 | US6007767 High temperature strength so as to be applicable to steam conditions of 600 degrees c or more; thermal power generation steam plant, pressure vessel such as a steam turbine casing |
| 12/28/1999 | US6007644 Heavy-wall H-shaped steel having high toughness and yield strength and process for making steel |
| 12/28/1999 | CA2173573C Improved machinability resuflurized austemitic stainless steel, specially for very high cutting speed machining and for bar turning |
| 12/28/1999 | CA2030501C Form-memory stainless alloy and process for making the same |
| 12/23/1999 | WO1999066093A1 Weatherable steel material |
| 12/23/1999 | WO1999066092A1 Bearing material for cold rolling forming and forming member thereof |
| 12/23/1999 | DE19928562A1 Magnetic composite element used especially as a fuel or hydraulic oil operating element in a vehicle |
| 12/23/1999 | CA2299344A1 Weathering steel |
| 12/22/1999 | EP0965996A1 Fuel assembly nozzle |
| 12/22/1999 | EP0965792A1 Burner with improved injector and manufacturing process for this injector |
| 12/22/1999 | EP0965653A1 VALVE SEAT MADE OF Fe-BASE SINTERED ALLOY EXCELLENT IN WEAR RESISTANCE |
| 12/22/1999 | CN1239190A Rotary compressor |
| 12/22/1999 | CN1239153A Ferritic stainless steel and external part for watch made thereof |
| 12/21/1999 | US6004507 Material formulation for galvanizing equipment submerged in molten and aluminum zinc melts |
| 12/16/1999 | WO1999064640A1 Stainless steel product having excellent antimicrobial activity and method for production thereof |
| 12/16/1999 | CA2297091A1 Stainless steel having antibacterial properties and manufacturing method therefore |
| 12/15/1999 | EP0964073A1 A steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof |
| 12/15/1999 | EP0964072A1 Austenitic stainless steel with resistance to deterioration by neutron irradiation |
| 12/15/1999 | EP0964071A1 Ferritic stainless steel and exterior cover part for a watch made with such a steel |