| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 07/09/2008 | CN101215676A High-strength corrosion-resisting steel for fastener |
| 07/09/2008 | CN101215675A Resource-saving diphase stainless steel alloy material and preparation method thereof |
| 07/09/2008 | CN101215674A Economical diphase stainless steel alloy material and preparation method thereof |
| 07/09/2008 | CN101215673A Economical high-performance diphase stainless steel alloy material and preparation method thereof |
| 07/09/2008 | CN101215672A High-strength high-plasticity ultra-low carbon twin crystal induction plastic steel |
| 07/09/2008 | CN101215671A Material capable of resisting zinc solution corrosive wear and manufacturing method thereof |
| 07/09/2008 | CN101215670A Ship lock mushroom head, mushroom head cap and processing method thereof |
| 07/09/2008 | CN101215669A High-strength thick steel plate for large-scale petroleum storing tank and low-cost manufacturing method thereof |
| 07/09/2008 | CN101215668A Method for manufacturing low-carbon 9Ni steel thick plate |
| 07/09/2008 | CN101215667A Low-carbon superfine inclusion reinforcement screw-thread steel and manufacturing method thereof |
| 07/09/2008 | CN101215666A Engineering machinery stirring cutter body material |
| 07/09/2008 | CN101215665A Steel having excellent machinability and production method therefor |
| 07/09/2008 | CN101215624A On-line quenching production technique for high toughness thick steel plate |
| 07/09/2008 | CN100401402C Inorganic recording material for blue light recordable storage and its preparing method |
| 07/09/2008 | CN100400930C Supporting structure in crankshaft mechanism and parts therefor |
| 07/09/2008 | CN100400909C Rolling bearing for belt type non-stage transmission |
| 07/09/2008 | CN100400695C Iron base sintered alloy excellent in machinability |
| 07/09/2008 | CN100400693C Process for manufacturing diamond using a novel method of catalysis and a new method for processing the graphite and catalyst mixture used in synthesis |
| 07/09/2008 | CN100400680C Process for production of grain oriented electrical steel |
| 07/09/2008 | CN100400679C High strength seamless steel pipe and its manufacturing method |
| 07/09/2008 | CN100400204C Powder metal scrolls |
| 07/09/2008 | CN100400199C Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet |
| 07/09/2008 | CN100400123C Method for manufacturing health promoting appliance |
| 07/08/2008 | US7396597 Ni-Cr-Fe alloy and Ni-Cr-Fe alloy pipe having resistance to carburization and coking |
| 07/08/2008 | US7396423 Method for manufacturing steel plate having superior toughness in weld heat-affected zone |
| 07/08/2008 | US7396422 Rolling bearing, material for rolling bearing, and equipment having rotating part using the rolling bearing |
| 07/08/2008 | US7396421 alloys having calcium and magnesium oxide-based inclusions, having excellent in corrosion resistance in brines, used for pipes or casings |
| 07/08/2008 | US7396420 Hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property |
| 07/08/2008 | US7396378 Degassing a refined molten steel produced in an arc melting furnace or a converter to a ladle furnace ; casting into an ingot; tapping deoxidation; deoxidizer including manganese, aluminum, and silicon |
| 07/08/2008 | CA2343340C Process for producing a piece with very high-level mechanical characteristics, formed by drawing, from a strip of laminated steel plate, hot rolled and coated |
| 07/08/2008 | CA2265002C Hot working die steel and member comprising the same for high-temperature use |
| 07/03/2008 | WO2008078962A1 Composite steel and method of thermally treating the same |
| 07/03/2008 | WO2008078940A1 High manganese high strength steel sheets with excellent crashworthiness, and method for manufacturing of it |
| 07/03/2008 | WO2008078917A1 High strength api-x80 grade steels for spiral pipes with less strength changes and method for manufacturing the same |
| 07/03/2008 | WO2008078912A1 Zn-coated steel sheet having excellent surface quality and the method for manufacturing the same |
| 07/03/2008 | WO2008078904A1 High strength steel plate with high manganese having excellent burring workability |
| 07/03/2008 | WO2008078902A1 Weather-resistant hot rolled steel sheet superior high-strength, and manufacturing method |
| 07/03/2008 | WO2008078457A1 Stainless steel sheet for structural members excellent in impact -absorbing characteristics |
| 07/03/2008 | US20080160335 Rotationally Symmetrical Hollow Body Made of a Deformable Permanently Magnetic Alloy and its Use and Production Process |
| 07/03/2008 | US20080159901 molybdenum is completely or partially replaced with double the proportion of tungsten; added titanium and/or zirconium which is/are intended to form, substantially during solidification, coarse carbides; reducing the segregated seams |
| 07/03/2008 | US20080156403 Steel for high-speed cold working and method for production thereof, and part formed by high-speed cold working and method for production thereof |
| 07/03/2008 | US20080156400 Low alloy steel |
| 07/03/2008 | DE102006062348A1 Oberflächengestrahlte Dampferzeugerbauteile oder Kraftwerkskomponenten Surface blasted steam generator components or power plant components |
| 07/02/2008 | EP1939309A1 Steel for high-speed cold working and method for production thereof, and part formed by high-speed cold working and method for production thereof |
| 07/02/2008 | EP1939308A1 Method for manufacturing a component through hot press hardening and highly rigid component with improved breaking strain |
| 07/02/2008 | EP1937861A1 High strength hot rolled steel sheet containing high mn content with excellent workability and method for manufacturing the same |
| 07/02/2008 | EP1937854A1 Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet |
| 07/02/2008 | EP1937853A1 Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, gal- vannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet |
| 07/02/2008 | CN101213355A Stainless steel for filter applications. |
| 07/02/2008 | CN101213323A Surface-treated stainless-steel sheet with excellent corrosion resistance in salt damage environment for automotive fuel tank |
| 07/02/2008 | CN101213317A Dead-soft high-carbon hot-rolled steel sheet and process for producing the same |
| 07/02/2008 | CN101213316A Thick steel plate excelling in toughness of large heat input welded joint |
| 07/02/2008 | CN101210611A Belt type stepless transmission driven wheel |
| 07/02/2008 | CN101210304A Martensite precipitation hardening stainless steel for compressor impeller and preparation method thereof |
| 07/02/2008 | CN101210303A High-strength anti-fatigue steel products and manufacturing method thereof |
| 07/02/2008 | CN101210302A Middle and low carbon bainite high-strength high-ductility steel and manufacturing method thereof |
| 07/02/2008 | CN101210301A High strength low-carbon alloy structural steel used for centrifugal compressor impeller and preparation method thereof |
| 07/02/2008 | CN101210300A Toughness excellent steel plate of welding heat influence part in ultra-high heat input welding |
| 07/02/2008 | CN101210299A High ductility steel strip for J55 petroleum sleeve and manufacturing method thereof |
| 07/02/2008 | CN101210298A Steel for high-speed cold working and method for production thereof, and high-speed cold working part and method for production thereof |
| 07/02/2008 | CN101210297A Method for preparing tropism silicon steel |
| 07/02/2008 | CN101210294A A5B19 type alloy and preparation method thereof |
| 07/02/2008 | CN101209459A Method for cold rolling high silicon electric steel |
| 07/02/2008 | CN100398858C Rolling bearing, material for rolling bearing, and equipment having rotating part using the rolling bearing |
| 07/02/2008 | CN100398686C CrB2-FeNiCr composite material preparation method |
| 07/02/2008 | CN100398685C Structure steel material suitable for fusion reactor |
| 07/02/2008 | CN100398684C Superhigh strength X100 pipeline steel and its hot rolled plate making process |
| 07/02/2008 | CN100398683C Martensitic chromium-nitrogen steel and its use |
| 07/01/2008 | US7393422 Method for producing high carbon steel wire rod superior in wire-drawability |
| 07/01/2008 | US7393420 Steel tube for bearing element parts and method of manufacturing as well as machining the same |
| 07/01/2008 | US7392930 25-35 % by weight Cr; 3-12 % Si; 3-12 % P; 0-0.2 % Ca, Y and/or misch metal; up to 25 % Ni; up to 5 % Mo and/or V; and the balance Fe; excellent wettability to nickel/cobalt/iron-based base metals and produce braze joints with high strength and heat/corrosion resistance; atomizing to form powder |
| 06/26/2008 | WO2008075889A1 Ultra high strength carburizing steel with high fatigue resistance |
| 06/26/2008 | WO2008075444A1 Cold-rolled steel sheet and process for producing the same |
| 06/26/2008 | WO2008075443A1 Steel excelling in toughness at region affected by welding heat |
| 06/26/2008 | WO2008006346A3 Method for production of a sheet metal semi-finished product suitable for press hardening |
| 06/26/2008 | WO2005094360A3 High strength steel |
| 06/26/2008 | US20080149230 Titanium-based interstitial-free (IF) steel having a distribution of fine precipitates (copper sulfide) of <0.2 mu m; yield strength; lowering of in-plane anisotropy index; dissolved carbon contained in crystal grain boundries which promotes aging resistance and bake hardenability; nanostructure |
| 06/26/2008 | US20080149047 Shot-blasted steam boiler members, steam boiler assemblies or power station components |
| 06/25/2008 | EP1935996A1 High temperature resistant alloys |
| 06/25/2008 | CN101208448A Hot-dip Sn-Zn system coated steel sheet having good corrosion resistance |
| 06/25/2008 | CN101208446A High-strength wire rod having superior rod drawability, and manufacturing method therefor |
| 06/25/2008 | CN101208445A High-strength wire rod having superior rod drawability, manufacturing method therefor |
| 06/25/2008 | CN101208442A High-carbon hot-rolled steel sheet and process for producing the same |
| 06/25/2008 | CN101208441A Cold-rolled high-carbon steel plate and process for manufacturing method therefor |
| 06/25/2008 | CN101208440A Steel wire rod excellent in mechanical de-scaling property, and producing method therefor |
| 06/25/2008 | CN101205597A Method for manufacturing X100 pipeline steel submerged arc straight weld pipe |
| 06/25/2008 | CN101205596A X120 pipeline steel submerged arc straight weld pipe and manufacture technique thereof |
| 06/25/2008 | CN101205595A Tough ultra-strength stainless steel and method for manufacturing the same |
| 06/25/2008 | CN101205594A X80 steel made pipe fittings and manufacture technique thereof |
| 06/25/2008 | CN101205593A X80 steel bend pipe and bending technique thereof |
| 06/25/2008 | CN101205592A Martensitic antibiotic stainless steel and thermal treatment method thereof |
| 06/25/2008 | CN101205591A High-strength steel plate resistant to strength reduction resulting from stress relief annealing and excellent in weldability |
| 06/25/2008 | CN101205590A Annealing method for high-speed steel cold-drawing wire products |
| 06/25/2008 | CN101205589A Soft ferritic stainless steel and manufacture method thereof |
| 06/25/2008 | CN101205588A High-niobium pipeline steel |
| 06/25/2008 | CN101205587A Method for manufacturing high-strength X80 steel spiral welded pipe |
| 06/25/2008 | CN101204720A Manufacture method of X80 pipeline JCOE direct sew submerged arc welding tube |
| 06/25/2008 | CN101204716A Method of rolled high niobium pipeline steel |
| 06/25/2008 | CN100396810C Weldable steel building component and method for making same |
| 06/25/2008 | CN100396809C Thick steel plate with great line energy and low welding crack sensitivity and its production process |