| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 01/22/2009 | US20090020191 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 01/22/2009 | US20090020190 Fire Resistant High Strength Rolled Steel Material and Method of Production of The Same |
| 01/22/2009 | US20090020189 Steel wire material for spring and its producing method |
| 01/22/2009 | DE10194844B4 Gepresster Separator für eine Brennstoffzelle Pressed separator for a fuel cell |
| 01/21/2009 | EP2017363A2 High strength cold-rolled steel sheet and method for manufacturing the same |
| 01/21/2009 | EP2017358A2 Steel wire material for spring and its producing method |
| 01/21/2009 | EP2016031A1 A component for supercritical water oxidation plants, made of an austenitic stainless steel alloy |
| 01/21/2009 | EP1557477B1 METHOD FOR PRODUCING OXIDATION-RESISTANT HIGH Cr FERRITIC HEAT RESISTANT STEEL |
| 01/21/2009 | CN101351613A Hardfacing materials with highly conforming properties |
| 01/21/2009 | CN101351571A Amorphous alloy thin-band, nanocrystalline soft magnetic alloy and magnetic core consisting of nanocrystalline soft magnetic alloy |
| 01/21/2009 | CN101351570A Ultrahigh-strength thin steel sheet |
| 01/21/2009 | CN101350399A Material of case for storage cell |
| 01/21/2009 | CN101348888A Low nickel austenitic stainless steel and preparation thereof |
| 01/21/2009 | CN101348887A High-aluminum heat-resistant steel for furnace tube |
| 01/21/2009 | CN101348886A High aluminum low nickel stainless steel |
| 01/21/2009 | CN101348885A 1000MPa grade cold rolling hot dip galvanizing two-phase steel and manufacturing method thereof |
| 01/21/2009 | CN101348884A 440MPa grade niobium-containing high-strength IF steel and manufacturing method thereof |
| 01/21/2009 | CN101348883A Niobium and titanium composite added ultra-low carbon baking hardening steel plate and manufacturing method thereof |
| 01/21/2009 | CN101348882A High stress, high plasticity and high hardenability large cross section spring steel |
| 01/21/2009 | CN101348881A Low cost high performance X70 pipeline steel and production method thereof |
| 01/21/2009 | CN101348880A Production method of high-strength galvanizing plate for structure |
| 01/21/2009 | CN101348879A 100mm low alloy high strength ultra heavy plate and manufacturing method thereof |
| 01/21/2009 | CN101348855A Production method of common orientated electrical steel having higher magnetic strength |
| 01/21/2009 | CN101348854A Method for producing oriented electrical steel by low temperature heating |
| 01/21/2009 | CN101348853A Method for reducing iron loss of common orientated electrical steel |
| 01/21/2009 | CN101348852A Method for producing oriented electrical steel by low temperature slab heating |
| 01/21/2009 | CN101348851A Method for producing common oriented electrical steel by low temperature casting blank heating |
| 01/21/2009 | CN101347792A Technique for medium thin slab continuous rolling and producing Nb-microalloying steel and devcie |
| 01/21/2009 | CN100453686C Casting high boron abrasion-proof stainless steel containing high hardness boride and preparation method thereof |
| 01/21/2009 | CN100453685C High Cr series stainless steel jointless oil well tube and its production method |
| 01/21/2009 | CN100453684C Cold formable spring steel wire excellent in cold cutting capability and fatigue properties and manufacturing process thereof |
| 01/21/2009 | CN100453683C Low-temperature high-strength, high-toughness steel and preparing method therefor |
| 01/21/2009 | CN100453682C Wear-resistant hammer head and its manufacturing process |
| 01/21/2009 | CN100453681C High boron wear-resisting casting steel and preparation process thereof |
| 01/21/2009 | CN100453680C Steel sheet for dissimilar materials weldbonding to aluminum material and dissimilar materials bonded body |
| 01/21/2009 | CN100453679C Low yield ratio fire-resistant steel |
| 01/21/2009 | CN100453678C Steel plate for hot-rolled double-side enamel and method for producing same |
| 01/21/2009 | CN100453677C Modified high manganese steel |
| 01/21/2009 | CN100453676C Method for hot forming and hot formed member |
| 01/21/2009 | CN100453675C High strength cold rolled steel sheet and method for production thereof |
| 01/21/2009 | CN100453661C Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing |
| 01/15/2009 | WO2009008798A1 An elongated percussive rock drilling element, a method for production thereof and a use thereof |
| 01/15/2009 | WO2009008553A1 High-strength hot-dip galvanized steel sheet and process for producing the same |
| 01/15/2009 | WO2009008551A1 High-strength hot-dip galvanized steel sheet with low yield strength and with less material quality fluctuation and process for producing the same |
| 01/15/2009 | WO2009008548A1 Process for producing high-strength cold rolled steel sheet with low yield strength and with less material quality fluctuation |
| 01/15/2009 | WO2009008071A1 Maraging steel and maraging steel for metallic belt |
| 01/15/2009 | WO2009007562A1 Hardened martensitic steel having a low or zero content of cobalt, process for manufacturing a part from this steel, and part thus obtained |
| 01/15/2009 | WO2008111828A3 Seamless steel pipe to be used as a steel catenary riser in the touchdown zone |
| 01/15/2009 | US20090017238 Martensitic stainless steel pipe |
| 01/15/2009 | US20090016926 Thermostable and corrosion-resistant cast nickel-chromium alloy |
| 01/15/2009 | US20090016925 High silicon stainless steel, spring made thereof, and process for manufacturing high silicon stainless steel |
| 01/15/2009 | US20090014098 High-Strength Hot-Dip Galvanized Steel Sheet Excellent in Formability and Method for Producing Same |
| 01/15/2009 | US20090014095 High-strength cold rolled steel sheet excelling in chemical treatability |
| 01/15/2009 | CA2694844A1 Hardened martensitic steel having a low or zero content of cobalt, process for manufacturing a part from this steel, and part thus obtained |
| 01/15/2009 | CA2693963A1 Galvanized steel sheet excellent in uniformity and method for producing the same |
| 01/15/2009 | CA2693763A1 High-strength galvanized steel sheet and method for producing the same |
| 01/14/2009 | EP2014781A1 High-strength hot-rolled steel plate having excellent stretch properties, stretch flanging properties and tension fatigue properties, and method for production thereof |
| 01/14/2009 | EP2014378A1 Process for producing stainless-steel pipe |
| 01/14/2009 | EP1966404A4 Carbon steel sheet superior in formability and manufacturing method thereof |
| 01/14/2009 | EP1658651B8 Battery can and manufacturing method thereof and battery using the same |
| 01/14/2009 | EP1645355B1 Austenitic steel weld joint |
| 01/14/2009 | EP1471159B1 Bainite type non-refined steel for nitriding and nitrided product |
| 01/14/2009 | CN101346487A Cr-containing steel excellent in thermal fatigue characteristics |
| 01/14/2009 | CN101346486A Two-phase stainless steel |
| 01/14/2009 | CN101346485A Steel part with surface layer of fine grain and process for producing the same |
| 01/14/2009 | CN101346484A Non-oriented electrical steel sheets with improved magnetic property and method for manufacturing the same |
| 01/14/2009 | CN101346483A Thick steel plate for welded structure having excellent strength and toughness in central region of thickness and small variation of properties through thickness and method of producing the same |
| 01/14/2009 | CN101346482A Carbon steel sheet superior in formability and manufacturing method thereof |
| 01/14/2009 | CN101346481A High-strength steel bolt having excellent resistance for delayed fracture and method for producing the same |
| 01/14/2009 | CN101346480A High manganese steel strips with excellent coatability and superior surface property, coated steel strips using steel strips and method for manufacturing the steel strips |
| 01/14/2009 | CN101345109A Nickel zinc copper ferrite wave-absorbing material and preparation method thereof |
| 01/14/2009 | CN101343717A Martensite heat-resistant steel |
| 01/14/2009 | CN101343716A Low alloy cast steel |
| 01/14/2009 | CN101343715A High-strength high-ductility X70 thick-wall seamless pipeline steel and manufacturing method |
| 01/14/2009 | CN101343714A 30CrMnSiB steel, weldless steel tube for cylinder and method of manufacturing the same |
| 01/14/2009 | CN101343713A High-strength atmospheric corrosion resistant hot-rolled strip steel and method of manufacturing the same |
| 01/14/2009 | CN101343712A Heavy steel plate for high-heat energy input soldering with excellent shortness fissure spread stop character |
| 01/14/2009 | CN101343685A Thermal treatment method for steel plate for high-strength construction with yield strength level of 420MPa |
| 01/14/2009 | CN101343683A Method for manufacturing low-iron loss high-magnetic strength non-oriented electrical steel |
| 01/14/2009 | CN101342648A Iron-base alloy powder for high-pressure valve sealing surface weld deposit |
| 01/14/2009 | CN101342647A Iron-base alloy powder of oxygen acetylene flame jet soldering |
| 01/14/2009 | CN100451394C Pinion shaft |
| 01/14/2009 | CN100451158C Die steel |
| 01/14/2009 | CN100451157C Micro-alloy weldable cast steel tooth stand and preparation method thereof |
| 01/14/2009 | CN100451156C RE Invar alloy and its production process |
| 01/14/2009 | CN100451155C High-purity ferroboron |
| 01/14/2009 | CN100451154C AlSi type economical and weather resistant steel |
| 01/14/2009 | CN100451153C High strength stainless steel pipe excellent in corrosion resistance for use in oil well and method for production thereof |
| 01/14/2009 | CN100450664C Production of large and super-critical steel-casting by using alkali phenolic aldehyde resin art |
| 01/13/2009 | US7476282 High-strength, for carbon dioxide gas corrosion resistant use, to be used in oil and/or gas well environments containing no hydrogen sulfide but carbon dioxide gas; inexpensive; does not require addition of large quantities of expensive elements such as Ni and Mo |
| 01/13/2009 | US7475478 Method for manufacturing automotive structural members |
| 01/13/2009 | CA2476836C Alloy steel powder for powder metallurgy |
| 01/13/2009 | CA2441130C Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe |
| 01/13/2009 | CA2287658C Electromagnetic steel sheet and process for producing the same |
| 01/08/2009 | WO2009006511A2 Earth boring drill bits made from a low-carbon, high-molybdenum alloy |
| 01/08/2009 | WO2009004994A1 Rare earth magnet |
| 01/08/2009 | WO2009004970A1 Process for production of high alloy steel pipe |
| 01/08/2009 | WO2009004909A1 Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet |
| 01/08/2009 | WO2009004794A1 R-fe-b type rare earth sintered magnet and process for production of the same |
| 01/08/2009 | WO2009004741A1 Martensitic stainless-steel seamless pipe for oil well pipe and process for producing the same |