| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 10/01/2008 | CN101275198A Middle code non-oriented electrical steel with fine surface and manufacturing method thereof |
| 10/01/2008 | CN101275197A High-strength rebar and manufacturing process thereof |
| 10/01/2008 | CN101275196A Steel for seamless tin and manufacturing method thereof |
| 10/01/2008 | CN101275195A Method for realizing direct nickel alloying in stainless steel smelting process by electric arc furnace |
| 10/01/2008 | CN101275182A Comprehensive utilization method for red mud |
| 10/01/2008 | CN101274496A Heat-resistant wear-resistant lining board for desulfurizing tower |
| 10/01/2008 | CN101274369A Copper-base alloy/iron-base martensite alloy composite powder and method of preparing the same |
| 10/01/2008 | CN101274359A Electromagnetic centrifugal casting quick-cutting steel composite roller operational layer material |
| 10/01/2008 | CN100422576C High-strength connecting rod and method of producing same |
| 10/01/2008 | CN100422375C Chromium steel series die steel and heat treatment technique thereof |
| 10/01/2008 | CN100422374C Anti-sulfur drill rod and method for manufacturing the same |
| 10/01/2008 | CN100422373C Air corrosion resisting high strength low alloy metal and its production process |
| 10/01/2008 | CN100422372C Hot-rolling double-phase weather-resistant steel plate and mfg. method thereof |
| 10/01/2008 | CN100422371C Chromic-nickel-free high-strength high ductility structural steel and manufacturing method thereof |
| 10/01/2008 | CN100422370C High tensile steel excellent in toughness of welded zone and offshore structure |
| 10/01/2008 | CN100422352C Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 09/30/2008 | WO2008123025A1 Expandable oil well pipe to be expanded in well and process for production of the pipe |
| 09/30/2008 | US7429302 Stainless steel sheet for welded structural components and method for making the same |
| 09/30/2008 | US7429301 Ultra clean spring steel |
| 09/30/2008 | CA2387322C High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same |
| 09/25/2008 | WO2008114665A1 Iron-based soft magnetic alloy, thin ribbon of amorphous alloy, and magnetic part |
| 09/25/2008 | WO2008114611A1 Magnetic alloy, amorphous alloy ribbon, and magnetic part |
| 09/25/2008 | WO2008114605A1 Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon |
| 09/25/2008 | WO2008114571A1 R-t-b base alloy, process for production thereof, fine powder for r-t-b base rare earth permanent magnet, and r-t-b base rare earth permanent magnet |
| 09/25/2008 | WO2008092420A3 Use of an iron-chromium-aluminium alloy with long service life and minor changes in heat resistance |
| 09/25/2008 | US20080233456 Metallic Material for Conductive Member, Separator for Fuel Cell Using the Same, and Fuel Cell Using the Separator |
| 09/25/2008 | US20080233225 Powder metallurgically manufactured steel containing in % by weight: 0.01-2 carbon, 0.6-10 nitrogen, 0.01-3.0 silicon, 0.01-10.0 manganese, 16-30 chromium, 0.01-5 nickel, and molybdenum, tungsten, cobalt, sulfur, vanadium, niobium; for tools for injection molding, compression molding and extrusion |
| 09/25/2008 | DE202008009964U1 Drahtförmiger Spritzwerkstoff Wire-shaped spray material |
| 09/25/2008 | DE202008009963U1 Drahtförmiger Spritzwerkstoff Wire-shaped spray material |
| 09/25/2008 | DE202008009962U1 Drahtförmiger Spritzwerkstoff Wire-shaped spray material |
| 09/24/2008 | EP1972698A1 Hot-dip zinc-coated steel sheets and process for production thereof |
| 09/24/2008 | EP1971700A1 Ultra-high strength martensitic alloy |
| 09/24/2008 | EP1971480A1 Aluminum-based composite materials and methods of preparation thereof |
| 09/24/2008 | EP1704261A4 Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same |
| 09/24/2008 | CN201121489Y 25Mn2 small-diameter oil tube for secondary development of abandoned oil well |
| 09/24/2008 | CN101270458A Metastable austenite abrasion-proof cast steel containing manganese-tungsten-aluminum |
| 09/24/2008 | CN101270457A Grinding ball and manufacturing technique |
| 09/24/2008 | CN101270456A Austenitic stainless steel |
| 09/24/2008 | CN101270455A 1000MPa grade nickel-saving type metastable austenite stainless steel |
| 09/24/2008 | CN101270454A Turbine casing |
| 09/24/2008 | CN101270453A Ultrahigh-strength thermal forming martensitic steel |
| 09/24/2008 | CN101270452A Connection material for flashing light jointing of hadfield steel cross frog and carbon steel rails, and production method thereof |
| 09/24/2008 | CN101270451A Plastic mold steel and method for manufacturing same |
| 09/24/2008 | CN101270450A Ferro-nickel alloy and smelting method |
| 09/24/2008 | CN101270449A High-strength thermal forming martensitic steel |
| 09/24/2008 | CN101270448A Abrasion-proof steel alloy for manufacturing crusher hammer and hammer manufacturing method |
| 09/24/2008 | CN101270447A Steel alloy for manufacturing crusher hammer and hammer manufacturing method |
| 09/24/2008 | CN101270446A Roller |
| 09/24/2008 | CN101270445A Steel for fire resistant insulated tubing, insulated tubing and method for manufacturing same |
| 09/24/2008 | CN101270444A Soft-magnetic stainless steel |
| 09/24/2008 | CN101270443A Novel casting alloy material for lockset medial axis components for manufacturing container |
| 09/24/2008 | CN101270442A High-tension steel with excellent low-temperature toughness at welding hot-effect section |
| 09/24/2008 | CN101270441A Economy type X80 pipeline steel and producing method thereof |
| 09/24/2008 | CN101270440A Economy type X70 pipeline steel and producing method thereof |
| 09/24/2008 | CN101270439A High-strength hot-rolled armor plate and method for manufacturing same |
| 09/24/2008 | CN101270438A Normalized steel for resistance welding petroleum case pipe with low yield ratio, resistance welding casing tube and its manufacturing method |
| 09/24/2008 | CN101270437A High-tension steel with excellent weldability and plastic deformation ability |
| 09/24/2008 | CN101270436A Hot-rolled polyphase steel plate and method for manufacturing same |
| 09/24/2008 | CN101270435A Wolfram carbine particle iron based composite material produced with tungsten filament in situ and method of producing the same |
| 09/24/2008 | CN101270432A Technique for directly melting vanadium steel in ladle liquid with inert gas inject V2O5 powder |
| 09/24/2008 | CN101269416A Powder metallurgy member for piston supporting base of power cylinder and method for manufacturing same |
| 09/24/2008 | CN101269405A Method for producing niobium mlcroalloy peritectic steel continuous casting special-shaped blank |
| 09/24/2008 | CN101269384A Production method for cold rolling non-orientation silicon steel thin belt |
| 09/24/2008 | CN100420769C Rolling controlled and cooling controlled steel for hydraulic power station penstock and manufacture method thereof |
| 09/24/2008 | CN100420768C Low-alloy cast steel and method for preparing same |
| 09/24/2008 | CN100420767C Ferritic stainless steel and martensitic stainless steel both being excellent in machinability |
| 09/24/2008 | CN100420766C Cast steel and method for preparing same |
| 09/24/2008 | CN100420765C Steel for circular ring chains for mineral purpose |
| 09/24/2008 | CN100420764C Steel product excellent in fatigue characteristics and method for production thereof |
| 09/24/2008 | CN100420758C High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method |
| 09/23/2008 | CA2424491C High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same |
| 09/18/2008 | WO2008112620A1 Metal gasket |
| 09/18/2008 | WO2008111717A1 Fe based alloy having corrosion resistance and abrasion resistance and preparation method thereof |
| 09/18/2008 | WO2008111656A1 Hot water container and process for production thereof |
| 09/18/2008 | WO2008111200A1 Seamless steel pipe, hollow spring utilizing seamless steel pipe, and process for manufacturing the same |
| 09/18/2008 | WO2008110670A1 Steel for hot working or quenching with a tool having an improved ductility |
| 09/18/2008 | WO2008110607A1 Turbine component with thermal insulation layer |
| 09/18/2008 | US20080226491 welding steel sheets to form a conduit, then heating the conduit to a transformation temperature, induction hardening and tempering the conduit, used as lightweight reinforcements in doors and bumpers, having shock absorptivity, impact and tensile strength |
| 09/18/2008 | US20080226490 Low-density alloy and fabrication method thereof |
| 09/18/2008 | US20080226396 Seamless steel tube for use as a steel catenary riser in the touch down zone |
| 09/18/2008 | US20080223491 hot rolled steel sheet which contains Cu, Ni, Cr, Mo, Nb, V, Ca B and C, Si, Mn, Al, Ti, N, and S; excels in properties demanded in press working, such as shape freezing ability, hole-expandability, and bendability, even though it has a high tensile strength; automobiles |
| 09/18/2008 | CA2680943A1 A seamless steel tube for use as a steel catenary riser in the touch down zone |
| 09/17/2008 | EP1970461A1 Turbine part with heat insulation layer |
| 09/17/2008 | EP1970457A1 Method for control of cooling of steel plate |
| 09/17/2008 | EP1969151A1 Deformable lightweight structural steel |
| 09/17/2008 | EP1969148A1 Method for manufacturing high strength steel strips with superior formability and excellent coatability |
| 09/17/2008 | CN101268208A Low-carbon sulfur-containing free-cutting steel with excellent cuttability |
| 09/17/2008 | CN101268203A Process for manufacturing cold-formed precision steel pipes |
| 09/17/2008 | CN101267909A Material for trilaminar stainless steel clad steel sheet, process for producing thick sheet or steel sheet for solid polymer type fuel cell separator, and solid polymer type fuel cell separator |
| 09/17/2008 | CN101265557A Rotary compressor roller material and method for producing roller |
| 09/17/2008 | CN101265556A Method for producing ultra-high strength chromium series cast iron board band |
| 09/17/2008 | CN101265555A Carbide-free Bainite corrosion-resisting steel and manufacturing method thereof |
| 09/17/2008 | CN101265554A Modified roller material |
| 09/17/2008 | CN101265553A High strength hot rolled steel sheet with excellent press workability and method of manufacturing the same |
| 09/17/2008 | CN101265552A High-tension thick steel plate with excellent toughness of welding heat infection partment |
| 09/17/2008 | CN101265551A Steel for preparing chain railway node and producing method thereof |
| 09/17/2008 | CN101265550A Cold rolling automobile plate for micro-alloy high-strength steel stamping and producing method thereof |
| 09/17/2008 | CN101265549A Foam iron-nickel composite metal material and preparation method thereof |
| 09/17/2008 | CN101265548A Austenite stainless heat-resistance seamless shot blasting steel pipe |
| 09/17/2008 | CN101264681A Hot-dip galvannealed steel sheet, steel sheet treated by hot-dip galvannealed layer diffusion and a method of producing the same |