| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/26/2012 | EP2536489A1 Improved apparatus for dispersing a water-soluble polymer |
| 12/26/2012 | CN102844455A Austenitic heat-resistant cast steel |
| 12/26/2012 | CN102844454A Hot dipped galvanized steel sheet and alloyed hot-dip galvanized steel sheet, each having excellent processability, high yield ratio and high strength |
| 12/26/2012 | CN102844126A Process for producing hot-rolled steel sheet and process for producing hot-dip galvanized steel sheet |
| 12/26/2012 | CN102842420A Process for producing sintered ndfeb magnet |
| 12/26/2012 | CN102839334A 600MPa-level steel for hot-rolled steel bar with ribs and smelting method thereof |
| 12/26/2012 | CN102839333A Steel, oil pumping rod containing same and application of steel |
| 12/26/2012 | CN102839332A Novel pumping rod |
| 12/26/2012 | CN102839331A High-toughness corrosion-resistant steel and manufacturing method thereof |
| 12/26/2012 | CN102839330A 800 Mpa high-strength thick plate for high heat input welding |
| 12/26/2012 | CN102839329A Cold-rolling double-phase-steel steel plate with tensile strength of 450 MPa, and preparation method thereof |
| 12/26/2012 | CN102839328A Ferritic stainless steel plate with high deep drawing quality and low anisotropy and preparation method of ferritic stainless steel plate |
| 12/26/2012 | CN102839327A Copper-bearing middle-chrome ferritic antibacterial stainless steel and manufacturing method thereof |
| 12/26/2012 | CN102839326A Hydrogen induced crack resistant BNS steel plate and manufacturing method thereof |
| 12/26/2012 | CN102839325A Chromium-containing steel for high-strength waste heat treatment steel bar and production process of chromium-containing steel |
| 12/26/2012 | CN102839324A Steel for high-frequency resistance welding petroleum casing pipe, casing pipe and manufacturing method thereof |
| 12/26/2012 | CN102839323A Steel for building structure and production method thereof |
| 12/26/2012 | CN102839322A Hot galvanizing steel plate for car and production method thereof |
| 12/26/2012 | CN102839321A Ultrathin hot-rolled sheet strip with yield strength more than or equal to 500MPa level and manufacturing method thereof |
| 12/26/2012 | CN102839320A High-heat input steel plate for welding and manufacturing method thereof |
| 12/26/2012 | CN102839319A 1,100 MPa-grade high strength steel and production method thereof |
| 12/26/2012 | CN102839318A HRB600 steel bar and production method thereof |
| 12/26/2012 | CN102839266A Production method for cold-rolled pole steel with yield strength being 250MPa |
| 12/26/2012 | CN102837945A Scraper tail drum |
| 12/26/2012 | CN102837165A Manufacturing method for final-stage driving gear of high-power coal mining machine |
| 12/26/2012 | CN102321840B Method for preparing hydrogen sulphide stress cracking-resistant steel based on current carrier control technology |
| 12/26/2012 | CN102296232B Ultrahigh-strength high-plasticity low-carbon phase change and twin crystal induced plastic hot rolled steel plate and preparation method thereof |
| 12/26/2012 | CN102278550B Concrete transporting pipe and manufacturing method thereof |
| 12/26/2012 | CN102268595B Production method of copper clad steel |
| 12/26/2012 | CN102242313B High-hardness silver-bearing martensite antibacterial stainless steel |
| 12/26/2012 | CN102061358B Desulfuration refining process of high-sulfur crude ferronickel |
| 12/26/2012 | CN102046825B High-strength UOE steel pipe excellent in earthquake-proof performance and in low-temperature toughness of weld heat-affected zone |
| 12/26/2012 | CN102021500B Novel super austenite 6Mo type stainless steel |
| 12/26/2012 | CN101994068B 奥氏体不锈钢钢板 Austenitic stainless steel |
| 12/26/2012 | CN101984122B Preparation method of low-alloy wear-resistant steel |
| 12/26/2012 | CN101974873B Method for processing pivoting support ring rail of mining excavator |
| 12/26/2012 | CN101956135B Medium carbon alloy high-strength quenched and tempered steel plate and production method thereof |
| 12/26/2012 | CN101754831B Method of open root welding |
| 12/26/2012 | CN101724787B Axle shaft steel and preparation method thereof |
| 12/26/2012 | CN101701320B Sintered sliding member |
| 12/26/2012 | CN101680071B Wear-resistant steel sheet having excellent wear resistant at high temperature and processability upon bending, and method for production thereof |
| 12/26/2012 | CN101541993B Steel plate having high gathering degree of {222} plane and process for production thereof |
| 12/26/2012 | CN101443468B High cleanliness spring steel and high cleanliness spring having excellent fatigue property |
| 12/26/2012 | CN101275205B Online cooling type high-tensile steel and manufacturing method thereof |
| 12/25/2012 | US8337998 Steel material for dissimilar metal joining, joined body of dissimilar metals and process for joining dissimilar metal materials |
| 12/25/2012 | US8337749 Lean austenitic stainless steel |
| 12/25/2012 | US8337748 Lean austenitic stainless steel containing stabilizing elements |
| 12/25/2012 | US8337643 Hot rolled dual phase steel sheet |
| 12/25/2012 | US8337642 Spring steel with improved hardenability and pitting resistance |
| 12/20/2012 | WO2012173272A1 Ferritic stainless-steel sheet with excellent non-ridging property and process for producing same |
| 12/20/2012 | WO2012172808A1 Ferritic stainless steel |
| 12/20/2012 | WO2012172624A1 Manufacturing method for unidirectional electromagnetic steel sheet |
| 12/20/2012 | WO2012172185A1 Method for manufacturing a medium carbon steel product and a hot rolled medium carbon steel product |
| 12/20/2012 | WO2012172168A1 Method for improving the reduction degree in the smelting of ferroalloy |
| 12/20/2012 | WO2012171530A1 An unbonded flexible pipe |
| 12/20/2012 | WO2011152537A9 Oil feed pipe and process for producing same |
| 12/20/2012 | US20120321505 Steel with high tempering resistance |
| 12/20/2012 | US20120321504 Air hardenable shock-resistant steel alloys, methods of making the alloys, and articles including the alloys |
| 12/20/2012 | US20120321503 Method for manufacturing ingot steel for bearings and bearing steel |
| 12/20/2012 | US20120321502 Non-oriented electrical steel sheet |
| 12/20/2012 | US20120321501 High-Carbon Martensitic Stainless Steel and Production Method Therefor |
| 12/20/2012 | US20120321478 Precipitate hardening stainless steel and long blade using same for steam turbine |
| 12/20/2012 | US20120318415 Side rail and method for producing a hot-formed and press-hardened side rail |
| 12/20/2012 | US20120318410 Strand for saw wire and manufacturing method thereof |
| 12/20/2012 | US20120318409 Solid stabilizer, steel material for solid stabilizer, and manufacturing method of solid stabilizer |
| 12/20/2012 | US20120318408 Steel part excellent in temper softening resistance |
| 12/20/2012 | CA2843210A1 Method for improving the reduction degree in the smelting of ferroalloy |
| 12/19/2012 | EP2535430A2 Tool steel for high-performance thermoforming tools and production process for same |
| 12/19/2012 | EP2534271A1 A steel sheet suitable for enamelling and method for producing such a sheet |
| 12/19/2012 | CN102834540A Spring and method for producing same |
| 12/19/2012 | CN102834539A High-strength steel sheet having excellent hot rolling workability, and process for production thereof |
| 12/19/2012 | CN102834531A Method for producing cold rolled steel sheet having high silicon content excellent in chemical conversion treatment |
| 12/19/2012 | CN102834528A Process for the production of grain-oriented magnetic sheets |
| 12/19/2012 | CN102832038A Production technology of rubidium iron boron permanent magnet |
| 12/19/2012 | CN102832008A Iron-based amorphous soft magnetic alloy material and preparation method thereof |
| 12/19/2012 | CN102832007A Iron-based sub-microcrystal alloy material for soft magnetic thin strip and preparation method of iron-based sub-microcrystal alloy material |
| 12/19/2012 | CN102832001A Iron-base multiphase magnetic alloy material and preparation method thereof |
| 12/19/2012 | CN102828696A Iron-based diamond-impregnated bit for drilling in hard slipping foundation |
| 12/19/2012 | CN102828291A Spindle bolster structure of spinning spindle and manufacturing technology thereof |
| 12/19/2012 | CN102828180A Laser cladding repair process for thin-wall sleeves |
| 12/19/2012 | CN102828128A Novel guide plate for seamless steel pipe perforator |
| 12/19/2012 | CN102828127A Tin-zinc hot dipping fuel-tank high-strength steel plate with good corrosion resistance and manufacturing method thereof |
| 12/19/2012 | CN102828126A High strength and toughness slab with its yield strength of 1200 MPa and production method thereof |
| 12/19/2012 | CN102828125A Strain design based pipe line steel X70 and its manufacturing method |
| 12/19/2012 | CN102828124A Non-quenched/tempered heavy plate for low-temperature pressure vessel and production method thereof |
| 12/19/2012 | CN102828123A Method for modifying centrifugal composite casting high-speed steel roll outer layer |
| 12/19/2012 | CN102828122A Method for manufacturing stainless steel wire for spectacle frame |
| 12/19/2012 | CN102828121A K55-grade high frequency resistance welding oil casting steel and its manufacturing method |
| 12/19/2012 | CN102828120A Strain design based economical pipe line steel and its manufacturing method |
| 12/19/2012 | CN102828119A High-bending 980MPa cold rolled dual-phase steel and its preparation technology |
| 12/19/2012 | CN102828118A Method for manufacturing free-cutting stainless steel wire for ball-point pen head |
| 12/19/2012 | CN102828117A Low-yield ratio high-intensity hot-rolled double-phase steel plate and production method thereof |
| 12/19/2012 | CN102828116A Surface ultra-fine grained high-strength steel plate based on TMCP technology and manufacturing method thereof |
| 12/19/2012 | CN102828115A Medium plate Q345B and production method of same |
| 12/19/2012 | CN102828114A Ocean engineering steel plate with excellent strain ageing performance and method for manufacturing ocean engineering steel plate |
| 12/19/2012 | CN102828113A 100 MPa high-performance mild steel for building structure and manufacturing method thereof |
| 12/19/2012 | CN102828112A Low-cost high-strength cold-forming hot continuous rolled steel band and its manufacturing method |
| 12/19/2012 | CN102828111A Method for manufacturing high-silicon steel sheet containing novel composite inhibitors |
| 12/19/2012 | CN102828110A Low-cobalt nickel nanocrystalline iron-base magnetically soft alloy material and preparation method thereof |
| 12/19/2012 | CN102828109A Metastable-state phase-change plastification ultra-fine grain high-intensity plastic product steel and production method thereof |