| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 02/05/2014 | CN103551561A Powder metallurgy automobile transmission synchronizer gear and production method thereof |
| 02/05/2014 | CN103551406A Preparing technology of metal fiber wire |
| 02/05/2014 | CN103551381A Method for preparing oriented magnetostriction thin plate through columnar crystal plate blank |
| 02/05/2014 | CN102899590B Long-service-life impeller of hydrapulper and production method thereof |
| 02/05/2014 | CN102758132B Method for manufacturing deep-drawing steel with high r value through continuous annealing of micro-carbon aluminum killed steel |
| 02/05/2014 | CN102758071B Continuous annealing production method for steel for 280 MPa vehicle structure |
| 02/04/2014 | US8641836 Steel plate for line pipe excellent in strength and ductility and method of production of same |
| 02/04/2014 | US8641835 Iron alloy, iron-alloy member, and process for manufacturing the same |
| 01/30/2014 | WO2014018206A1 High strength steel weld metal for demanding structural applications |
| 01/30/2014 | WO2014017591A1 Oriented electromagnetic steel plate production method |
| 01/30/2014 | WO2014017590A1 Oriented electromagnetic steel plate production method |
| 01/30/2014 | WO2014017589A1 Method for producing oriented electromagnetic steel sheet |
| 01/30/2014 | WO2014017381A1 Target material and method for producing same |
| 01/30/2014 | WO2014017362A1 Bearing steel material with excellent rolling fatigue property and bearing part |
| 01/30/2014 | WO2014017249A1 PROCESS FOR PRODUCING NdFeB-BASED SINTERED MAGNET |
| 01/30/2014 | WO2014017074A1 Nitrocarburizable steel, nitrocarburized part, and methods for producing said nitrocarburizable steel and said nitrocarburized part |
| 01/30/2014 | WO2014017057A1 THICK Ni-CONTAINING STEEL PLATE |
| 01/30/2014 | WO2014017034A1 Method for producing high-strength hot-dip galvanized steel sheets |
| 01/30/2014 | WO2014017011A1 High-strength steel plate and method for producing same |
| 01/30/2014 | WO2014017010A1 High-strength steel plate and method for producing same |
| 01/30/2014 | WO2014016421A1 Cold-rolled flat steel product and method for the production thereof |
| 01/30/2014 | WO2014016420A1 Hot-rolled flat steel product and method for the production thereof |
| 01/30/2014 | WO2014015823A1 Ceramic-enameling steel and manufacturing method therefor |
| 01/30/2014 | WO2014015822A1 Glass-enameling high-strength steel plate and manufacturing method therefor |
| 01/30/2014 | US20140030546 High-strength cold-rolled steel sheet having excellent local deformability and manufacturing method thereof |
| 01/30/2014 | US20140030137 Steel for carburizing or carbonitriding use |
| 01/30/2014 | US20140030136 Steel Material for Machine Structural Use Having Excellent Contact Pressure Fatigue Strength |
| 01/30/2014 | US20140030134 Martensitic Stainless Steel Having Excellent Corrosion Resistance |
| 01/30/2014 | US20140027025 Wire rod having good superior surface properties, high strength, and high toughness, and a method for manufacturing same |
| 01/30/2014 | US20140027022 Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof |
| 01/30/2014 | DE10305912B4 Hybrid- Schaufel für thermische Turbomaschinen Hybrid bucket of thermal turbomachinery |
| 01/30/2014 | CA2876497A1 High strength steel weld metal for demanding structural applications |
| 01/29/2014 | EP2690191A2 A method of production of high strength thin-gauge steel sheet excellent in elongation and hole expandability |
| 01/29/2014 | EP2690190A1 Austenitic stainless steel |
| 01/29/2014 | EP2690189A1 Steel plate with excellent durability for band-shaped die-cutting blade, and band-shaped die-cutting blade |
| 01/29/2014 | EP2690188A1 Austenite system alloy pipe and manufacturing method thereof |
| 01/29/2014 | EP2690184A1 Produit plat en acier laminé à froid et son procédé de fabrication |
| 01/29/2014 | EP2690183A1 Hot-rolled steel flat product and method for its production |
| 01/29/2014 | EP2689881A1 Bonded object of tungsten carbide-based superhard alloy and process for producing same |
| 01/29/2014 | EP2689045A2 Hot-rolled steel sheet and associated production method |
| 01/29/2014 | EP2689043A1 Welded hot-rolled high-strength steel structural members and method |
| 01/29/2014 | EP2554329B1 Cutting method for steel for use in machine structure |
| 01/29/2014 | EP2279823B1 Welded structure comprising a large-heat-input butt welded joint having controlled hardness and controlled size of the heat affected zone for excellent brittle fracture resistance |
| 01/29/2014 | CN103547696A 改进型轴承钢 Improved bearing steel |
| 01/29/2014 | CN103547695A Method for manufacturing and utilizing ferritic-austenitic stainless steel |
| 01/29/2014 | CN103547694A Hot press molded article, fabrication method therefor, and thin steel plate for hot press molding |
| 01/29/2014 | CN103547409A Welding material and welded joint |
| 01/29/2014 | CN103542184A Large-aperture stainless steel thin-walled tube |
| 01/29/2014 | CN103540871A Low-carbon high-chromium high-nitrogen high-corrosion resistance steel and production method thereof |
| 01/29/2014 | CN103540870A Production method of tempered high-strength Q550E super-thick steel plate |
| 01/29/2014 | CN103540869A Improved cast stainless steel pipe |
| 01/29/2014 | CN103540868A Powder metallurgy clutch friction piece and preparation method thereof |
| 01/29/2014 | CN103540867A X80-level straight seam submerged-arc welded pipe with hydrogen sulfide stress corrosion resistance as well as manufacturing method thereof |
| 01/29/2014 | CN103540866A Production method of tempered high-strength Q800D super-thick steel plate |
| 01/29/2014 | CN103540865A Production method of tempered high-strength Q620D super-thick steel plate |
| 01/29/2014 | CN103540864A Corrosion-resistant stainless steel coffee pot material and preparation method thereof |
| 01/29/2014 | CN103540863A Low-cost austenitic stainless steel with high corrosion resistance |
| 01/29/2014 | CN103540862A Abrasion-resistant metal pipeline with internal anti-corrosion coating |
| 01/29/2014 | CN103540861A Powder metallurgy bearing protection bracket and preparation method thereof |
| 01/29/2014 | CN103540860A High-strength and corrosion-resistant stainless steel plate |
| 01/29/2014 | CN103540859A High heat-resistant stainless steel coffee pot material and preparation method thereof |
| 01/29/2014 | CN103540858A Precision cast guide roller and manufacturing method thereof |
| 01/29/2014 | CN103540857A Powder metallurgy wear-resistant corrosion-resistant bearing material and preparation method thereof |
| 01/29/2014 | CN103540856A 3Cr17NiMoV stainless steel strip and preparation method |
| 01/29/2014 | CN103540855A High-toughness high-boron medium-chrome low-carbon wear-resisting alloy steel and preparation method thereof |
| 01/29/2014 | CN103540854A Powder metallurgy bearing steel and preparation method thereof |
| 01/29/2014 | CN103540853A Compression roller for ball press machine and preparation method thereof |
| 01/29/2014 | CN103540852A Gear roller for aviation fuel refining equipment and preparation process of gear roller |
| 01/29/2014 | CN103540851A High-performance powder metallurgy material and preparation method thereof |
| 01/29/2014 | CN103540850A Super-thick steel with yield strength >= 550MPa for engineering machinery as well as production method thereof |
| 01/29/2014 | CN103540849A Cr-containing hot-rolling double-phase steel and production method thereof |
| 01/29/2014 | CN103540848A 420MPa normalizing super-thick steel plate, and preparation method thereof |
| 01/29/2014 | CN103540847A Powder metallurgy automobile brake pad steel back and preparation method thereof |
| 01/29/2014 | CN103540846A Thin-gauge, ultra-low iron loss, low-noise and high-magnetic induction oriented silicon steel sheet and production method thereof |
| 01/29/2014 | CN103540845A Hot-rolled thin plate enamelled steel with yield strength of 330 MPa and manufacturing method thereof |
| 01/29/2014 | CN103540844A Low temperature resistant H-shaped steel and production method thereof |
| 01/29/2014 | CN103540843A Subboundary-reinforced high-strength interstitial free steel containing Ti, and preparation method thereof |
| 01/29/2014 | CN103540842A Production method of Cr-free high-strength quenched and tempered steel plate for spherical tank |
| 01/29/2014 | CN103540841A Antioxidant alloy material |
| 01/29/2014 | CN103540840A Production method of Cr-free high-strength quenched and tempered steel plate for spherical tank |
| 01/29/2014 | CN103540839A Production method of Cr-free high-strength quenched and tempered steel plate for spherical tank |
| 01/29/2014 | CN103540838A Steel plate for low-temperature vessel and production method thereof |
| 01/29/2014 | CN103540837A Magnesium alloy for steelmaking and steelmaking deoxidization method |
| 01/29/2014 | CN103540836A Steckle mill ultra-wide and heavy steel plate with high toughness and low alloy and production process thereof |
| 01/29/2014 | CN103540835A Kilo-level-La (Fe, Si) 13-based magnetic refrigeration material as well as preparation method and applications thereof |
| 01/29/2014 | CN103540834A X65MS/X70MS spiral submerged-arc welded pipe with excellent SSCC (Sulfide Stress Corrosion Cracking) stress corrosion resistance as well as manufacturing method thereof |
| 01/29/2014 | CN103540833A Smelting method of HIC (Hydrogen Induced Crack)/SSCC (Sulfide Stress Corrosion Cracking)-preventing steel |
| 01/29/2014 | CN103540726A Method for heat treatment of ultrahigh-carbon bearing steel |
| 01/29/2014 | CN103537691A Iron-based powder metallurgy alloy and manufacturing method thereof |
| 01/29/2014 | CN103537682A Composite metal bearing material and preparation method thereof |
| 01/29/2014 | CN103537680A Powder metallurgy automobile trunk transmission gear and manufacturing method thereof |
| 01/29/2014 | CN103537679A Powder metallurgy automobile connecting rod and preparing method of powder metallurgy automobile connecting rod |
| 01/29/2014 | CN103537678A Powder metallurgy automobile bearing and manufacturing method thereof |
| 01/29/2014 | CN103537677A Sintered alloy containing chromium and preparation method thereof |
| 01/29/2014 | CN103537676A Powder metallurgy transmission gear and manufacturing method thereof |
| 01/29/2014 | CN103537675A Powder metallurgy automotive oil pump internal and external rotors and manufacturing method thereof |
| 01/29/2014 | CN103537674A Powder metallurgy spring steel material and manufacturing method thereof |
| 01/29/2014 | CN103537673A Powder-metallurgy oil-pump adjusting gear ring and manufacturing method thereof |
| 01/29/2014 | CN103537672A Powder metallurgy automobile engine connecting rod and manufacturing method thereof |
| 01/29/2014 | CN103537671A Powder metallurgy automotive engine exhaust valve material and manufacturing method thereof |