| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/22/2009 | CN101413088A Sulfurated hydrogen stress etching-resisting petroleum casing pipe and manufacturing method thereof |
| 04/22/2009 | CN101413087A Steel plate for tall building and production method thereof |
| 04/22/2009 | CN101413086A Vanadium-containing high-strength high-toughness medium steel plate for ship hull and production method thereof |
| 04/22/2009 | CN101413085A Steel with excellent corrosion resistance for shipping |
| 04/22/2009 | CN101413049A Preparation of normalizing weldable fine grain steel plate with a yield strength of 420MPa |
| 04/22/2009 | CN101412050A Abrasion-proof cast iron roll collar for straightening steel rail and preparation method thereof |
| 04/22/2009 | CN100480414C Creep-resistant maraging heat-treatment steel |
| 04/22/2009 | CN100480413C Air corrosion resistant steel |
| 04/22/2009 | CN100480412C Quick setting belt of single-texture magnetic RE-Fe-B compound and preparation process thereof |
| 04/22/2009 | CN100480411C Steel and steel wire for high strength spring |
| 04/21/2009 | US7520943 Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness |
| 04/21/2009 | US7520942 Produced by conventional steel processing methods rather than expensive powder metallurgy/mechanical alloying methods; high-nitrogen transformable steels; uniform microstructure |
| 04/21/2009 | CA2306208C Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation |
| 04/16/2009 | WO2009048838A1 Complex metallographic structured steel and method of manufacturing same |
| 04/16/2009 | WO2009048137A1 Duplex stainless steel wire material, steel wire, bolt, and method for production of the bolt |
| 04/16/2009 | WO2009047926A1 Pearlite steel rail of high internal hardness type excellent in wear resistance, fatigue failure resistance and delayed fracture resistance and process for production of the same |
| 04/16/2009 | WO2009046777A1 Tool |
| 04/16/2009 | WO2009046484A1 Austenitic manganese steel alloy and method for making same |
| 04/16/2009 | WO2008045631A3 Low yield ratio dual phase steel linepipe with superior strain aging resistance |
| 04/16/2009 | WO2006086350A3 Improved glass stability, glass forming ability, and microstructural refinement |
| 04/16/2009 | US20090098411 Method of manufacturing ferrite powder, ferrite powder, and magnetic recording media |
| 04/16/2009 | US20090098408 Complex metallographic structured steel and method of manufacturing same |
| 04/16/2009 | US20090098403 Low alloy steel for oil country tubular goods and seamless steel pipe |
| 04/16/2009 | US20090098319 Heat resistant alloy adapted to precipitate fine ti-nb-cr carbide or ti-nb-zr-cr carbide |
| 04/16/2009 | US20090098009 Low Chromium Stainless Steel Superior in Corrosion Resistance of Multipass Welded Heat Affected Zones and Its Method of Production |
| 04/16/2009 | US20090098008 Martensitic Stainless Steel Oil Country Tubular Good |
| 04/16/2009 | US20090098007 Duplex Stainless Steel |
| 04/16/2009 | US20090095383 Fine grain surface layer steel part and method of production of same |
| 04/16/2009 | US20090095381 High Strength Steel Sheet and Method for Manufacturing the Same |
| 04/16/2009 | DE102008048050A1 Easily cutting ferritic stainless steel has manganese that forms sulphide in zirconium-series sulphide replaced by zirconium |
| 04/16/2009 | DE102007048484A1 Heißgasgeführte Komponente einer Strömungsmaschine Guided hot gas component of a turbomachine |
| 04/16/2009 | CA2701903A1 Complex metallographic structured steel and method of manufacturing same |
| 04/15/2009 | EP2048258A1 Honeycomb bodies employing high Al stainless steel sheet and process for production thereof |
| 04/15/2009 | EP2048257A1 Free-cutting stainless steel and process for producing the same |
| 04/15/2009 | EP2048256A1 Stainless steel sheet for parts and process for manufacturing the same |
| 04/15/2009 | EP2048255A1 Austenitic stainless steel welded joint and austenitic stainless steel welding material |
| 04/15/2009 | EP2048254A1 High-strength steel sheet excellent in stretch flangeability and fatigue property |
| 04/15/2009 | EP2047926A1 Method of manufacturing stainless steels comprising fine carbonitrides, and product obtained from this method |
| 04/15/2009 | EP2047007A1 Heat and corrosion resistant cast austenitic stainless steel alloy with improved high temperature strength |
| 04/15/2009 | EP1716271A4 Hardfacing ferroalloy materials |
| 04/15/2009 | EP1516938B1 Steel for crude oil tank and method for manufacture thereof, crude oil tank and method for protecting corrosion thereof |
| 04/15/2009 | CN101410587A Expandable tubular assembly |
| 04/15/2009 | CN101410544A Hot-rolled ultra soft high-carbon steel plate and process for production thereof |
| 04/15/2009 | CN101410543A Stainless steel sheet for structural members excellent in impact-absorbing characteristics |
| 04/15/2009 | CN101410542A High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof |
| 04/15/2009 | CN101410541A Steel for machine structure excelling in machinability and strength property |
| 04/15/2009 | CN101410537A Process for producing seamless two-phase stainless-steel pipe |
| 04/15/2009 | CN101410535A Method for production of martensitic stainless steel pipe |
| 04/15/2009 | CN101410328A Reaction vessel for the production of hydrogen sulphide |
| 04/15/2009 | CN101410194A Cold finish seamless steel pipe for drive shaft and method for producing the same |
| 04/15/2009 | CN101407895A Wear-resistant corrosion-resistant high-nitrogen high-manganese austenitic stainless steel |
| 04/15/2009 | CN101407894A High strength X100 pipeline steel produced by steekle mill and production technique thereof |
| 04/15/2009 | CN101407893A High strength, high heat input welding property, fire resistant and earthquake resistant steel for construction and production method thereof |
| 04/15/2009 | CN101407892A Ultra-low carbon hot rolling weathering steel with yield strength larger than 550MPa |
| 04/15/2009 | CN101407891A Boron-containing semi-high speed steel cold roller and manufacturing method thereof |
| 04/15/2009 | CN101407890A Austenitic stainless steels including molybdenum |
| 04/15/2009 | CN101407889A Powder metallurgy rare earth copper coated ferroalloy oil-retaining bearing and manufacturing method thereof |
| 04/15/2009 | CN101407888A Steel for tower frame structure of wind power generator and production method thereof |
| 04/15/2009 | CN101407019A Process for manufacturing corrosion resistant low-chromium tubing and casing in CO2 and H2S coexisted environment |
| 04/15/2009 | CN101406900A Centrifugal casting half steel/graphite steel composite roll collar and preparation method thereof |
| 04/15/2009 | CN100478687C Evaluation method for raw material for magnet |
| 04/15/2009 | CN100478481C Martensitic stainless steel with excellent machinability |
| 04/15/2009 | CN100478480C High-performance low-cost non-quenched and tempered steel |
| 04/15/2009 | CN100478479C Hot-rolled low-silicon multiphase steel and preparation method thereof |
| 04/15/2009 | CN100478458C Production of non-directional cold-rolling silicon steel disc |
| 04/15/2009 | CN100478457C Method for preparing iron-nickel alloy strip |
| 04/14/2009 | US7517416 Alloy of Fe, Mn, Mo, B, C, and optionally Cr; e.g., Fe50-Mn10-Mo14-Cr4-C15-B7; high processability while maintaining superior mechanical properties and good corrosion resistance |
| 04/09/2009 | WO2009045136A1 The use and method of producing a dispersion strengthened steel as material in a roller for a roller hearth furnace |
| 04/09/2009 | WO2009044802A1 Austenitic stainless steel |
| 04/09/2009 | WO2009044796A1 Austenitic stainless steel |
| 04/09/2009 | WO2009044758A1 HIGH-STRENGTH Cr-Ni ALLOY PRODUCT AND SEAMLESS OIL WELL PIPES MADE BY USINFG THE SAME |
| 04/09/2009 | WO2009043068A1 Intermediate piece for connecting manganese steel molded bodies with carbon steel and method for connecting manganese high-carbon steel cast parts to control rails |
| 04/09/2009 | WO2009022213A3 Method of open root welding |
| 04/09/2009 | WO2008061925A3 Housing material of an exhaust treatment component |
| 04/09/2009 | US20090092516 High strength spring-use heat treated steel |
| 04/09/2009 | US20090092515 High strength thick steel plate superior in crack arrestability |
| 04/09/2009 | US20090092514 Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same |
| 04/09/2009 | US20090092513 Ferritic Stainless Steel Sheet Superior in Heat Resistance |
| 04/09/2009 | DE102007048240A1 Austenitischer Edelstahl mit geringem Nickelgehalt und Verfahren zu seiner Herstellung Austenitic stainless steel with low nickel content and process for its preparation |
| 04/09/2009 | DE102007005154B4 Verwendung einer Eisen-Chrom-Aluminium-Legierung mit hoher Lebensdauer und geringen Änderungen im Warmwiderstand Use of an iron-chromium-aluminum alloy with high durability and small changes in resistance when hot |
| 04/09/2009 | CA2700100A1 Intermediate piece for connecting molded articles of manganese steel with carbon steel as well as method for connecting austenitic manganese steel casting pieces with standard rails |
| 04/09/2009 | CA2698562A1 Austenitic stainless steel |
| 04/09/2009 | CA2693374A1 Steels for sour service environments |
| 04/08/2009 | EP2045348A1 Bend pipe and process for producing the same |
| 04/08/2009 | EP2045347A1 Non-oriented magnetic steel sheet with high strength |
| 04/08/2009 | EP2045346A1 Sintered composite sliding part and production method therefor |
| 04/08/2009 | EP2045341A1 Process for producing pearlitic rail excellent in wearing resistance and ductility |
| 04/08/2009 | EP2044232A1 Use of an austenitic stainless steel and an electrolyser made of such steel |
| 04/08/2009 | EP2044228A1 Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
| 04/08/2009 | CN101405880A Thermoelectric material |
| 04/08/2009 | CN101405420A Deformable lightweight structural steel |
| 04/08/2009 | CN101405419A High-strength pearlite rail with excellent delayed-fracture resistance |
| 04/08/2009 | CN101405418A 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 connect |
| 04/08/2009 | CN101403134A Electrode plate for anti-corrosion pickling bath and manufacturing method thereof |
| 04/08/2009 | CN101403077A Biphase stainless steel and method for making same |
| 04/08/2009 | CN101403076A Composite reinforced high-ductility ultrahigh-strength secondary hardening steel |
| 04/08/2009 | CN101403075A Wide-thick steel plate with yield strength of 460Mpa for bridge and method of manufacturing the same |
| 04/08/2009 | CN101403074A Novel chromium system hot die steel and thermal treatment process thereof |
| 04/08/2009 | CN101403073A Self-generating carbide particle reinforced ferrite heat-resistant steel and method of producing the same |
| 04/08/2009 | CN101403072A Multielement low-alloy water quenching abrasion resistant steel |