| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 02/25/2009 | EP1740733B1 Iron-chrome-aluminum alloy |
| 02/25/2009 | EP1002884B1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
| 02/25/2009 | CN101374969A Iron-based sinter multilayer wound bush, method for manufacturing the same, and operating machine connecting apparatus |
| 02/25/2009 | CN101374968A High-strength steel sheet having excellent workability |
| 02/25/2009 | CN101374966A Process for manufacturing an airbag inflator bottle member |
| 02/25/2009 | CN101372734A Martensite stainless steel and manufacturing method thereof |
| 02/25/2009 | CN101372733A Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same |
| 02/25/2009 | CN101372732A Preparation technique of martensite sterilizing stainless steel |
| 02/25/2009 | CN101372320A Equipment for purifying waste sulfuric acid |
| 02/25/2009 | CN101372035A Novel casting technique |
| 02/25/2009 | CN100464000C Austenite cold-forged stainless-steel and steel wire making method |
| 02/25/2009 | CN100463999C Stainless steel wire for spoke use and producing method thereof |
| 02/25/2009 | CN100463998C High-strength abrasion-proof thermostable nano alloyed steel material and producing method thereof |
| 02/25/2009 | CN100463997C Supersaturated carburizing steel |
| 02/25/2009 | CN100463996C Steel alloy for cutting details |
| 02/25/2009 | CN100463995C Low-carbon tungsten-system bainite steel and its manufacture |
| 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 |
| 02/25/2009 | CN100463992C Forged (rolled) abrasive austenic permanganic steel and its manufacture |
| 02/25/2009 | CN100463985C Method of preparing WC-FeNiCr composite material using aluminothermic-fast solification technology |
| 02/25/2009 | CN100463979C Manufacturing method of cold rolling electric steel special for compressor |
| 02/24/2009 | US7494618 Alloy tool steel |
| 02/24/2009 | US7494551 steel sheet consists essentially of 0.05 to 0.15% C, 0.5% or less Si, 1.00 to 2.00% Mn, 0.09% or less P, 0.01% or less S, 0.005% or less N, 0.01 to 0.1% Sol.Al, and balance of Fe and inevitable impurities; and contains 60% or more polygonal ferrite by volume, and 5 to 30% martensite by volume. |
| 02/19/2009 | WO2009022213A2 Method of open root welding |
| 02/19/2009 | WO2009021898A1 Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 02/19/2009 | WO2009021897A1 Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 02/19/2009 | WO2009021606A1 Manufacturing method and steel for heavy munition casings |
| 02/19/2009 | WO2008145871A3 Process for manufacturing cold-rolled and annealed steel sheets with very high strength, and sheets thus produced |
| 02/19/2009 | WO2008127262A3 Austenitic paramagnetic corrosion resistant steel |
| 02/19/2009 | US20090047169 Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connecting rod |
| 02/19/2009 | US20090047168 Continuously Cast Enameled Steel Sheet Remarkably Excellent in Fishscale Resistance and Method of Production of the Same |
| 02/19/2009 | US20090047167 Iron-Nickel Alloy |
| 02/19/2009 | US20090047166 Low alloy steel, seamless steel oil country tubular goods, and method for producing seamless steel pipe |
| 02/19/2009 | US20090047165 Metal powder for use in an additive method for the production of three-dimensional objects and method using such metal powder |
| 02/19/2009 | US20090044882 Oil well pipe for expandable tubular applications excellent in post-expansion toughness and method of manufacturing the same |
| 02/19/2009 | US20090044881 Reheating to solid solution temperature of inhibitor substances, hot rolling, annealing, cold rolling, decarburization, annealing, nitriding in strip running state, coating annealing separator; for use as a core of a transformer |
| 02/19/2009 | DE112007000273T5 Korrosionsbeständiges magnetisches Bauteil für ein Kraftstoffeinspritzventil A corrosion-resistant magnetic component for a fuel injection valve |
| 02/18/2009 | EP2025826A1 Notched wire made of duplex stainless steel for the reinforcement of concrete structures |
| 02/18/2009 | EP2025770A1 Ni-reduced austenite stainless steel |
| 02/18/2009 | EP2025769A1 High-ductility high-carbon steel wire |
| 02/18/2009 | EP2025767A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 02/18/2009 | EP2025766A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 02/18/2009 | EP2025765A1 Rolling bearing |
| 02/18/2009 | EP1642991B1 Method for hot forming and hot formed member |
| 02/18/2009 | EP1538230B1 Cr STEEL FOR STRUCTURAL USE AND METHOD FOR PRODUCING THE SAME |
| 02/18/2009 | CN101370954A High-strength cold rolled steel sheet excelling in chemical treatability |
| 02/18/2009 | CN101370953A Cold-rolled steel sheet and method for manufacture thereof |
| 02/18/2009 | CN101370952A Enamelware and glaze |
| 02/18/2009 | CN101370951A Metal material having excellent metal dusting resistance |
| 02/18/2009 | CN101370606A Rare earth sintered magnet and method for producing same |
| 02/18/2009 | CN101368252A Non-nickel nitrogen austenite stainless steel |
| 02/18/2009 | CN101368251A Steel plate for large-thickness hydrogen-contacting equipment and its production technology |
| 02/18/2009 | CN101368250A Rare earth additive high-carbon content cam material and powder metallurgy combined hollow camshaft |
| 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 | CN101368247A Novel chromium system hot die steel and thermal treatment process thereof |
| 02/18/2009 | CN101368246A Method for producing orientation silicon steel with medium-thin plate blank |
| 02/18/2009 | CN100463082C Method for preparing high coercive force, high corrosion resistance magnet by nanocopper |
| 02/18/2009 | CN100463081C Magnetic material with the magnetic field driving martensite phase change effect and its making method |
| 02/18/2009 | CN100462470C Spring steel wire rod excellent in pickling performance |
| 02/18/2009 | CN100462469C Cold and hot shearing edge steel for shearing thick plate |
| 02/18/2009 | CN100462468C Ultra-fine pearlite high-strength rail steel and its preparation method |
| 02/18/2009 | CN100462466C Method of producing low-temperature high-toughness steel and steel plate |
| 02/17/2009 | US7491891 copper, copper alloy, aluminum, aluminum alloy, carbon, nitrogen, manganese, chromium, nickle, iron; wire being twisted together, drawn, adjusted to predetermined diameter; heat-treated; automotive electric wires |
| 02/17/2009 | US7490751 Method of soldering iron tip with metal particle sintered member connected to heat conducting core |
| 02/17/2009 | CA2379698C Cold rolled steel sheet and galvanized steel sheet having strain age hardenability |
| 02/17/2009 | CA2301597C Hot rolling high-strength steel structural members |
| 02/12/2009 | WO2009020134A1 Insulating coating treatment liquid for grain oriented electromagnetic steel sheet and process for manufacturing grain oriented electromagnetic steel sheet with insulating coating |
| 02/12/2009 | WO2009019952A1 Iron-based mixed powder for powder metallurgy and iron powder sinter |
| 02/12/2009 | US20090041613 Ni-reduced austenite stainless steel |
| 02/12/2009 | US20090039994 Soft magnetic iron-cobalt-based alloy and process for manufacturing it |
| 02/12/2009 | US20090039714 Magnetostrictive FeGa Alloys |
| 02/12/2009 | US20090038718 Process for the manufacture of a containment device and a containment device manufactured thereby |
| 02/12/2009 | US20090038716 Steel sheet for tin plated steel sheet and tin-free steel sheet each having excellent formability and manufacturing method thereof |
| 02/12/2009 | US20090038715 Water-Cooling Method of Steel Material and Steel Material Obtained by That Water-Cooling Method |
| 02/12/2009 | US20090038280 Stainless Steel For Filter Applications |
| 02/11/2009 | EP2022866A1 Steel pipe as fuel injection pipe |
| 02/11/2009 | EP2022865A1 Ultrahigh strength steel sheet and strength part for automobile utilizing the same |
| 02/11/2009 | EP2022864A1 High-strength hot rolled steel sheet having excellent composite moldability |
| 02/11/2009 | EP1766101B1 Austenitic stainless steel composition and use thereof for the production of structural parts for land transport means and containers |
| 02/11/2009 | CN101365820A High-strength spring steel excellent in brittle fracture resistance and method for producing same |
| 02/11/2009 | CN101365819A Steel wire having excellent cold heading quality and quenching property and method for producing the same |
| 02/11/2009 | CN101364465A Permanent magnetic RE material and preparation thereof |
| 02/11/2009 | CN101363104A Abrasion-resistant material for wet-type and weak acidic medium |
| 02/11/2009 | CN101363103A Ni-reduced austenite stainless steel |
| 02/11/2009 | CN101363102A TRIP steel sheet for high strength cold rolled continuous annealing and preparation method thereof |
| 02/11/2009 | CN101363101A Large thickness quenched high strength steel and production method thereof |
| 02/11/2009 | CN101363100A Thick steel plate for high heat input welding with excellent shear property |
| 02/11/2009 | CN101363099A Cold rolled dual-phase sheet steel with 1000MPa grade tensile strength and preparation method thereof |
| 02/11/2009 | CN101363078A Heat treatment method of steel belt for packages and steel belt for packages |
| 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 |
| 02/11/2009 | CN100460530C Heat treatment system |
| 02/11/2009 | CN100460527C Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
| 02/10/2009 | US7488396 Ratio of Mn to S is 1.2-2.8; area ratio of pearlite over a grain size of 1 mu m in steel microstructure is not more than 5%; improved tool life and cut surface roughness at the time of cutting and chip disposal |
| 02/10/2009 | US7488392 Surface on a stainless steel matrix |
| 02/10/2009 | US7488369 Stress and impact resistance; flexural strength; iron and rare earth composite oxide sintered powder metallurgy produced material having holes impregnated and caked with resin |
| 02/10/2009 | US7488270 Toroidal continuously variable transmission and method for producing torque transmitting member thereof |
| 02/05/2009 | WO2009018522A1 High hardness, high toughness iron-base alloys and methods for making same |
| 02/05/2009 | WO2009017258A1 Ferritic-austenitic stainless steel excellent in corrosion resistance and workability and process for manufacturing the same |