| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 05/06/2009 | CN101423884A Method for producing high-manganses wear resistant steel plate and steel plate produced thereby |
| 05/06/2009 | CN100485158C Expansion pipe device for oilfield well completion |
| 05/06/2009 | CN100485078C Pipe for petroleum product, gas product and product pipelines, and method for the production thereof |
| 05/06/2009 | CN100485077C Ultrathin alloy material hose and producing method thereof |
| 05/06/2009 | CN100485076C Composite flitch of aluminum oxide cooler and heat-resistant alloy thereof |
| 05/06/2009 | CN100485075C High-carbon high-vanadium high-speed steel composite roller and heat treatment method thereof |
| 05/06/2009 | CN100485074C Continuous casting and rolling process for producing IF steel form thin slab |
| 05/06/2009 | CN100485073C Production process of punch level cold rolled steel plate based on CSP technology |
| 05/06/2009 | CN100485072C High-rigidity/high-strength thin steel sheet and manufacturing method therefor |
| 05/06/2009 | CN100485071C Electric furnace smelting recovery method for chronium-nickel alloy element in stainless steel dedusting ash |
| 05/06/2009 | CN100485070C Production method of burning synthesis for preparing 50 iron vanadium nitride |
| 05/06/2009 | CN100485068C Method for preparing Fe-Mn-Si-Cr-base shape memory alloy containing N |
| 05/06/2009 | CN100485062C Method for smelting stainless steel using molten iron as raw material |
| 05/06/2009 | CN100484754C Double metal combined guiding and guarding board and its making process |
| 05/05/2009 | US7527700 High strength hot rolled steel sheet and method for manufacturing the same |
| 05/05/2009 | CA2276911C Coated hot and cold rolled sheet steel presenting high strength qualities following thermal processing |
| 04/30/2009 | WO2009055710A2 Strong and ductile low-field magnetostrictive alloys |
| 04/30/2009 | WO2009054799A1 Use of a duplex stainless steel in a phosphoric acid production system |
| 04/30/2009 | WO2009054539A1 High-strength hot-dip zinc plated steel sheet excellent in workability and process for manufacturing the same |
| 04/30/2009 | WO2009054530A1 Carbonitrided induction-hardened steel part with excellent rolling contact fatigue strength at high temperature and process for producing the same |
| 04/30/2009 | WO2009054394A1 Steel for cvj ball cages |
| 04/30/2009 | WO2009054214A1 Constant speed universal joint |
| 04/30/2009 | WO2009052551A1 High copper low allowy steel sheet |
| 04/30/2009 | WO2009030865A3 Crystallographically textured metal substrate, crystallographically textured device, cell and photovoltaic module including such device and thin layer deposition method |
| 04/30/2009 | US20090110589 Steel Material and Process for Producing the Same |
| 04/30/2009 | US20090110588 Stainless steel having a high hardness and excellent mirror-finished surface property, and method of producing the same |
| 04/30/2009 | US20090107591 High-Tensile Steel Plate of Low Acoustic Anisotropy and High Weldability Having Yield Stress of 450 MPa or Greater and Tensile Strength of 570 MPa or Greater, and Process for Producing the Same |
| 04/30/2009 | US20090107588 Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced |
| 04/30/2009 | US20090107587 Tool steels and manufacturing method thereof |
| 04/30/2009 | CA2697226A1 High tensile strength galvanized steel sheet excellent in formability and method for manufacturing the same |
| 04/30/2009 | CA2695472A1 Secondary-hardening gear steel |
| 04/29/2009 | EP2053683A1 Stainless steel member for fuel cell |
| 04/29/2009 | EP2053682A1 Coil spring for fuel cell |
| 04/29/2009 | EP2053140A1 High-strength steel sheets and processes for production of the same |
| 04/29/2009 | EP2053139A1 Hot-rolled steel sheets excellent both in workability and in strength and toughness after heat treatment and process for production thereof |
| 04/29/2009 | EP2052096A1 Steel material, in particular for producing piston rings |
| 04/29/2009 | EP2052095A1 Process for setting the thermal conductivity of a steel, tool steel, in particular hot-work steel, and steel object |
| 04/29/2009 | EP2052094A1 Steel material having a high silicon content for producing piston rings and cylinder sleeves |
| 04/29/2009 | EP2051826A1 Iron-based powder |
| 04/29/2009 | EP1896622A4 Oxygen activating material, combustion efficiency improving material, plant growth promoting material, aerobic microorganism activating material, animal growth promoting and activating material, muscle softening material, rust removing and preventing material, and oxygen activating method |
| 04/29/2009 | EP1558776B8 High temperature resistant alloys |
| 04/29/2009 | CN101421430A Cold-working steel |
| 04/29/2009 | CN101421429A Stainless steel weld overlays with enhanced wear resistance |
| 04/29/2009 | CN101421428A Steel pipe as fuel injection pipe |
| 04/29/2009 | CN101421425A Method of pretreatment for quenching of martensitic tool steel and method of quenching |
| 04/29/2009 | CN101421424A Process for producing steel material |
| 04/29/2009 | CN101421073A Hard-facing alloys having improved crack resistance |
| 04/29/2009 | CN101418422A Free-cutting steel and method for producing the same |
| 04/29/2009 | CN101418421A High intensity oil casing tube for resisting sulfurated hydrogen corrosion and method for producing the same |
| 04/29/2009 | CN101418420A GH2674 alloy |
| 04/29/2009 | CN101418419A Middle and low intensity oil casing tube for resisting sulfurated hydrogen corrosion and method for producing the same |
| 04/29/2009 | CN101418418A Low welding crack sensitivity steel plate with yield strength of 690MPa grade and method for producing the same |
| 04/29/2009 | CN101418417A Wide heavy standard high strength ship plate steel and technique for producing the same |
| 04/29/2009 | CN101418416A Low welding crack sensitivity steel plate with yield strength of 800MPa grade and method for producing the same |
| 04/29/2009 | CN101418415A Fe-Ga base magnetic striction wire and preparation method thereof |
| 04/29/2009 | CN101418368A Heat treating process for eliminating mixed crystal of low-alloy quick-cutting steel |
| 04/29/2009 | CN101417296A Manufacture method of large caliber high steel grade corrosion proof seamless steel tube in diameter phi 219.0-460.0mm |
| 04/29/2009 | CN100483813C Metal bipolar plate of containing carbon element surface of fuel cell, and fabricating method |
| 04/29/2009 | CN100483573C Bulk amorphous metal magnetic component |
| 04/29/2009 | CN100482995C Low-strength external thickening oil pipe and its production |
| 04/29/2009 | CN100482994C N80-1 external thickening oil pipe and its production |
| 04/29/2009 | CN100482846C Hot dip alloyed zinc coated steel sheet and method for production thereof |
| 04/29/2009 | CN100482844C Precipitation hardening type stainless steel with high density |
| 04/29/2009 | CN100482843C High performance corrosion-proof rare earth super strength dual-phase stainless steel and its smelting tech. |
| 04/29/2009 | CN100482842C High malleable high wear-resisting cold process mould steel |
| 04/29/2009 | CN100482841C Pipeline steel and its ingredient control method |
| 04/29/2009 | CN100482840C Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof |
| 04/29/2009 | CN100482839C Manufacture method for obtaining superfine crystal grain steel |
| 04/29/2009 | CN100482838C Smelting method for steel used for low-temperature pressure container |
| 04/28/2009 | US7524384 Having a higher percentage elongation but equal maximum rupture strength formed by hot rolling, cold rolling and annealing in a continuous, cyclic process until pearlitic transformation is reached |
| 04/23/2009 | WO2009049796A1 Hot gas-guided component of a turbomachine |
| 04/23/2009 | US20090104494 Creep-Resistant Ferritic Steel |
| 04/23/2009 | US20090104069 Linepipe steel |
| 04/23/2009 | US20090104068 Brake Disk Excellent in Temper Softening Resistance and Toughness |
| 04/23/2009 | US20090101248 Grain-Oriented Electrical Steel Sheet and Process for Producing the Same |
| 04/23/2009 | US20090101245 Method for Surface Cooling Steel Slabs to Prevent Surface Cracking, and Steel Slabs Made by That Method |
| 04/23/2009 | US20090101242 Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
| 04/23/2009 | DE112007001216T5 Stahlblech und Stahlblechrolle Steel plate and steel plate coil |
| 04/23/2009 | CA2700755A1 Hot gas-guided component of a turbomachine |
| 04/22/2009 | EP2051330A1 Antenna core and antenna |
| 04/22/2009 | EP2050835A1 Steel for automobile undercarriage component excelling in fatigue performance and process for manufacturing automobile undercarriage component using the steel |
| 04/22/2009 | EP2050834A1 Dr steel sheet and process for manufacturing the same |
| 04/22/2009 | EP2050833A1 High-tension welded steel pipe for automotive structural member and process for producing the same |
| 04/22/2009 | EP2050832A1 Two-phase stainless steel |
| 04/22/2009 | EP2050533A1 Iron-based corrosion resistant wear resistant alloy and deposit welding material for obtaining the alloy |
| 04/22/2009 | EP2050532A1 Multilayer steel and method for producing multilayer steel |
| 04/22/2009 | EP2049701A1 Method for transforming steel blanks |
| 04/22/2009 | EP2049700A1 Process for manufacturing steel blanks |
| 04/22/2009 | EP2049699A1 Method for steel strip coating and a steel strip provided with said coating |
| 04/22/2009 | CN101415856A Process for producing alloyed hot-dip zinc-coated steel sheet satisfactory in processability, non-powdering property, and sliding property |
| 04/22/2009 | CN101415854A Hot working steel |
| 04/22/2009 | CN101415853A Weldable, crack-resistant co-based alloy and overlay method |
| 04/22/2009 | CN101415852A Corroson-resistant steel material for crude oil storage tank, and crude oil storage tank |
| 04/22/2009 | CN101415851A Very thin hard steel sheet and method for producing the same |
| 04/22/2009 | CN101415850A Hydrogen active material and consumption control material for water-soluble electrolytes chemical battery and fuel battery |
| 04/22/2009 | CN101415549A Soft magnetic metal strip laminate and process for production thereof |
| 04/22/2009 | CN101413092A Easy-to-cut stainless steel 303C and manufacturing method thereof |
| 04/22/2009 | CN101413091A Novel easy-to-cut stainless steel 303B and manufacturing method thereof |
| 04/22/2009 | CN101413090A High-strength high-toughness X80 hot rolling coiled sheet for spiral buried arc welding and production method thereof |
| 04/22/2009 | CN101413089A High-strength low-chromium anti-corrosion petroleum pipe special for low CO2 environment |