| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/31/2008 | CN100447275C High-strength invar alloy and its alloy wire rod production method |
| 12/31/2008 | CN100447274C Particle reinforced steel-base composite material roller by in-situ synthesis and process for preparing same |
| 12/31/2008 | CN100447273C Low carbon composite free-cutting steel product excellent in roughness of finished surface and method for production thereof |
| 12/31/2008 | CN100447271C Method for smelting carbon dioxide corrosion resistant steel |
| 12/31/2008 | CN100446919C Production process of cold rolled orientation-free electrical steel plate with low iron loss and high magnetic induction |
| 12/31/2008 | CN100446894C Production of thin steel strip |
| 12/31/2008 | CA2691795A1 High strength, high toughness rotating shaft material |
| 12/31/2008 | CA2690637A1 Iron-nickel-chromium-silicon alloy |
| 12/30/2008 | US7470332 Production method for soft magnetic sintered member |
| 12/30/2008 | CA2389281C Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 12/30/2008 | CA2322146C Rust-resistant calcium steel |
| 12/30/2008 | CA2318112C Steel powder for the preparation of sintered products |
| 12/30/2008 | CA2229693C Stainless steel for the production of steel cord, specifically tire reinforcing wire and process for producing the said wire |
| 12/25/2008 | US20080318083 Super High Strength Stainless Austenitic Steel |
| 12/25/2008 | US20080314481 High-Strength Steel for Seamless, Weldable Steel Pipes |
| 12/25/2008 | US20080314480 Martensitic Stainless Steel Strengthened By Ni3tin-Phase Precipitation |
| 12/25/2008 | US20080314201 Enhanced Alloy Recovery In Molten Steel Baths Utilizing Cored Wires Doped With Dispersants |
| 12/25/2008 | US20080314199 Enhanced Alloy Recovery In Molten Steel Baths Utilizing Cored Wires Doped With Deoxidants |
| 12/24/2008 | WO2008156526A1 Low alloy steels with superior corrosion resistance for oil country tubular goods |
| 12/24/2008 | WO2008156295A2 High strength and toughness spring having excellent fatigue life, steel wire rod and steel wire for the same and producing method of said steel wire and spring |
| 12/24/2008 | WO2008156195A1 Ferritic stainless steel sheet having excellent corrosion resistance against sulfuric acid, and method for production thereof |
| 12/24/2008 | EP2006925A2 Thermoelectric material |
| 12/24/2008 | EP2006407A1 High-strength steel plate with superior crack arrestability |
| 12/24/2008 | EP2006406A1 High-strength pearlite rail with excellent delayed-fracture resistance |
| 12/24/2008 | EP2006398A1 Process for producing steel material |
| 12/24/2008 | EP2006086A2 Soft magnetic metal strip laminate and process for production thereof |
| 12/24/2008 | EP2004870A1 Cold-working steel |
| 12/24/2008 | EP1018564B1 Stainless steel product having excellent antimicrobial activity and method for production thereof |
| 12/24/2008 | CN101331566A R-Fe-B rare earth sintered magnet and method for producing same |
| 12/24/2008 | CN101331244A High strength steel wire with excellent ductility and manufacturing method of the same |
| 12/24/2008 | CN101331243A High strength steel sheet for good wire drawability property and the method thereof |
| 12/24/2008 | CN101331242A Low-carbon sulfur-automatic steel with good cutability |
| 12/24/2008 | CN101328565A Low nickle type austenitic stainless steel and manufacturing method thereof |
| 12/24/2008 | CN101328564A Low yield ratio HT780 steel plate having superior weldability and manufacturing method thereof |
| 12/24/2008 | CN101328563A Bright high-strength heated die steel |
| 12/24/2008 | CN101328562A Oxide dispersion strengthening low activity martensitic steel material and preparation thereof |
| 12/24/2008 | CN101328561A Chromium ferritic stainless steel in precipitation strengthening, strip steel and making method thereof |
| 12/24/2008 | CN101328560A Ni seamless steel pipe and manufacturing method thereof |
| 12/24/2008 | CN101328559A Steel for low yield ratio petroleum case pipe, petroleum case pipe and manufacturing method thereof |
| 12/24/2008 | CN101327491A Method for producing high-intensity fine rolling screwed reinforcement |
| 12/24/2008 | CN100445412C Heat-proof steel and shaft using same for steam turbine,steam turbine and steam turbine generator |
| 12/24/2008 | CN100445411C Casting steel containing rare earth element and protuction process thereof |
| 12/24/2008 | CN100445410C Nano-crystal soft magnetic alloy material and its production |
| 12/24/2008 | CN100445409C Low-Si, low-Mn, Nb- and Ti- containing grain-refining hot-rolling dual phase steel and manufacturing process thereof |
| 12/24/2008 | CN100445408C Steel wire for high strength spring excellent in workability and high strength spring |
| 12/24/2008 | CN100445022C Ternary structure compounding process of producing dumat wire |
| 12/24/2008 | CN100445020C Welded joint made of an austenitic steel |
| 12/23/2008 | US7468109 High strength steel sheet having excellent stretch flangeability |
| 12/23/2008 | CA2388480C Welded steel pipe having excellent hydroformability and method for making the same |
| 12/18/2008 | WO2008153499A1 Iron-based powder and composition thereof |
| 12/18/2008 | WO2008153480A1 Impact beam comprising precipitation hardenable stainless steel |
| 12/18/2008 | WO2008153316A1 Stainless steel having excellent corrosion resistance and electric conductivity and bipolar plate made of the same |
| 12/18/2008 | WO2008153183A1 Process for manufacturing shaped article |
| 12/18/2008 | WO2008151479A1 An ultra-thin flexible tube made of an alloy and the manufacture process thereof |
| 12/18/2008 | US20080310990 Stainless Steel Pipe Having Excellent Expandability for Oil Country Tubular Goods |
| 12/18/2008 | US20080308200 Steel Sheet Excellent in Workability and Method for Producing the Same |
| 12/18/2008 | US20080308198 Austenitic Stainless Steel, Manufacturing Method for the Same, and Structure Using the Same |
| 12/18/2008 | US20080308195 Steel For Springs, Process Of Manufacture For Spring Using This Steel, And Spring Made From Such Steel |
| 12/18/2008 | US20080308194 Method for Making a Steel Part of Multiphase Microstructure |
| 12/18/2008 | US20080308193 Heat-Resistant Cast Iron And Exhaust Equipment Member Formed Thereby |
| 12/18/2008 | DE102007028321A1 Verfahren zur Oberflächenbehandlung von Cr-Stählen A method for surface treatment of Cr steels |
| 12/18/2008 | DE102007027386A1 Sägezahndraht zur Herstellung einer Sägezahn-Ganzstahlgarnitur für eine Karde oder Krempel Sawtooth wire for producing a sawtooth all-steel fitting for a card or stripper |
| 12/18/2008 | CA2689286A1 Iron-based powder and composition thereof |
| 12/17/2008 | EP2003223A1 Heat-treatment steel for high-strength spring |
| 12/17/2008 | EP2003222A1 Heat-treatment steel for high-strength spring |
| 12/17/2008 | EP2003221A1 Very thin hard steel sheet and method for producing the same |
| 12/17/2008 | EP2003220A1 Steel plate having excellent fine blanking processability and method for manufacture thereof |
| 12/17/2008 | EP2003216A1 Process for producing seamless two-phase stainless-steel pipe |
| 12/17/2008 | EP2003215A2 Method for production of martensitic stainless steel pipe |
| 12/17/2008 | EP2002025A1 Hot-working steel |
| 12/17/2008 | EP1669469B1 Steel parts for machine structure, material therefor, and method for manufacture thereof |
| 12/17/2008 | CN101326568A Music string and instrument comprising said string |
| 12/17/2008 | CN101326301A High strength thin steel sheet having excellent plating and elongation property and the method for manufacturing the same |
| 12/17/2008 | CN101326300A Hot-dip zinc-coated steel sheets and process for production thereof |
| 12/17/2008 | CN101326299A High strength cold rolled steel sheet and hot dip galvanized steel sheet having excellent formability and coating property, and the method for manufacturing thereof |
| 12/17/2008 | CN101326298A Sheet steel excellent in fatigue crack propagation resistance |
| 12/17/2008 | CN101325111A Compacted magnetic core, production method of the same, and motor for electric vehicle |
| 12/17/2008 | CN101325109A High-strength tenacity agglomeration neodymium-iron-boron magnet reconstructed by crystal boundary phase and preparation method thereof |
| 12/17/2008 | CN101323943A Method for making hot dip galvanizing steel plate |
| 12/17/2008 | CN101323942A Production method of hot dip galvanizing steel plate |
| 12/17/2008 | CN101323941A Galvanizing method of hot dip galvanizing steel plate |
| 12/17/2008 | CN101323940A Manufacturing method of hot dip galvanizing steel plate |
| 12/17/2008 | CN101323935A Soft magnetic automobile antilocking system gear ring and method for manufacturing the same |
| 12/17/2008 | CN101323934A High antiwear concrete conveying pipe and production method thereof |
| 12/17/2008 | CN101323933A Saw tooth metal wire for producing all-steel saw tooth-card clothing |
| 12/17/2008 | CN101323932A Base steel resin carbon fibre synchronization device cone ring matrix material component and production process thereof |
| 12/17/2008 | CN101323931A Cold rolled steel sheet having aging resistance and superior formability, and process for producing the same |
| 12/17/2008 | CN101323930A Antibiotic martensitic stainless steel and use thereof in hardware industry |
| 12/17/2008 | CN101323929A High strength steel plate for big thickness tall building structure and production method thereof |
| 12/17/2008 | CN101323928A Cold rolled steel sheet having aging resistance and superior formability, and process for producing the same |
| 12/17/2008 | CN101323898A Oxygen one-step impurity removing refining method for raw ferro nickel |
| 12/17/2008 | CN100443726C Coolant compressor, air conditioner therewith, and refrigerator and parts thereof |
| 12/17/2008 | CN100443618C Ball grinding machine lining board and manufacturing method thereof |
| 12/17/2008 | CN100443617C Pealite like thermal treating steel rail and producing method thereof |
| 12/17/2008 | CN100443616C Fast microwave crystallizing process for preparing nanometer crystalline iron-base soft magnetic alloy |
| 12/17/2008 | CN100443615C Weldable high-strength microalloyed medium carbon steel oil well pipe and its making process |
| 12/17/2008 | CN100443614C Steel with excellent delayed fracture resistance and tensile strength of 1600 mpa class or more, its shaped articles, and methods of production of the same |
| 12/17/2008 | CN100443613C Nonoriented electrical steel sheet excellent in core loss |
| 12/17/2008 | CN100443612C Technological method for improving comprehensive performance of M42 high speed steel |
| 12/17/2008 | CN100443201C Surface iron scale control method for middle sheet billet continuous casting and rolling steel plate |