| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 11/18/2009 | CN101581200A 120 steel grade drill pipe and manufacturing process method thereof |
| 11/18/2009 | CN101580919A Medium-carbon cast steel shot or medium-carbon cast steel grit and preparation method thereof |
| 11/18/2009 | CN101580918A Cr-containing thick-wall pipeline steel and coiled sheet controlled rolling and controlled cooling method thereof |
| 11/18/2009 | CN101580917A High-grade duplex stainless steel |
| 11/18/2009 | CN101580916A High-strength high-plasticity twinning-induced plasticity steel and manufacturing method thereof |
| 11/18/2009 | CN100561023C Manufacturing technique for fitting of high-pressure valve |
| 11/18/2009 | CN100560773C High-strength anti-fatigue steel and manufacturing method thereof |
| 11/18/2009 | CN100560772C Granule carbonide reinforced ferritic steel and preparation method thereof |
| 11/18/2009 | CN100560771C High ductility steel strip for J55 petroleum sleeve and manufacturing method thereof |
| 11/18/2009 | CN100560770C Steel for battery shell with excellent planar isotropism and its production |
| 11/18/2009 | CN100560769C Low-carbon superfine inclusion reinforcement screw-thread steel and manufacturing method thereof |
| 11/18/2009 | CN100560768C Martensitic stainless steel pipe and method for production thereof |
| 11/18/2009 | CN100560767C Method for realizing direct nickel alloying in stainless steel smelting process by electric arc furnace |
| 11/18/2009 | CN100560766C Melt treating method of high-vanadium high-speed steel roller material for various rolling machines |
| 11/17/2009 | US7618499 Iron, manganese, carbon ternary system of a matrix of one/both nanocrystalline and amorphous phase(s), and a face-centered cubic crystalline phase; transition elements, cobalt, nickel, copper to make large bulk objects and process of microstructure; high flow stress,exceeding 2.0 GPa; high toughness |
| 11/17/2009 | US7618498 Controlled/enriched content of iron carbide precipitate (mainly cementite) according to calibrations/equations; inhibit microdefects; noncracking; excellent properties after quenching/tempering in the manufacture of springs: automobile valves and suspensions;size reduction; thickness, durability |
| 11/17/2009 | CA2355436C Surface on a stainless steel matrix |
| 11/12/2009 | WO2009135776A1 Method for producing a formed steel part having a predominantly ferritic-bainitic structure |
| 11/12/2009 | WO2009135469A1 Iron-nickel alloy |
| 11/12/2009 | WO2009115702A3 Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained |
| 11/12/2009 | WO2009103259A3 Steel alloy for a low alloy steel for producing high-tensile seamless steel tubing |
| 11/12/2009 | WO2008146929A9 Abrasion-resistant steel sheet having excellent processability, and method for production thereof |
| 11/12/2009 | US20090280350 Steel sheet having high plane integration and method of production of same |
| 11/12/2009 | US20090277547 High-strength steel sheets and processes for production of the same |
| 11/12/2009 | US20090277545 High-Strength Wire Rod Excellent in Drawing Characteristics and Method of Manufacturing the Same |
| 11/12/2009 | US20090277544 High-tensile strength welded steel tube for structural parts of automobiles and method of producing the same |
| 11/12/2009 | US20090277543 Production system of weldable and stainless tubular structures with high mechanical strength and product obtained therefrom |
| 11/12/2009 | US20090277542 Steel material for automobile chassis parts superior in fatigue characteristics and method of production of automobile chassis parts using the same |
| 11/12/2009 | US20090277539 Steel for Warm Working, Warm Working Method Using the Steel, and Steel Material and Steel Component Obtainable Therefrom |
| 11/12/2009 | DE10020118B4 Method for verifying sealability of selected exhaust valve of selected cylinder in internal combustion engine in motor vehicle, involves concluding sealability of valve based on measured values of lambda sensor in one of exhaust gas strands |
| 11/12/2009 | CA2725210A1 Method for producing a formed steel part having a predominantly ferritic-bainitic structure |
| 11/12/2009 | CA2725206A1 Iron-nickel alloy |
| 11/12/2009 | CA2664451A1 Faux stainless steel finish on bare carbon steel substrate and method of making |
| 11/11/2009 | EP2116626A1 Creep-Resistant Steel |
| 11/11/2009 | EP2116625A1 Electric resistance welded steel pipe for line pipe excelling in weld part toughness |
| 11/11/2009 | EP2116624A1 High-strength hot-rolled steel plate for line pipes excellent in low-temperature toughness and process for production of the same |
| 11/11/2009 | EP2116623A1 Electric resistance welded steel pipe prior to heat treatment and process for manufacturing the same |
| 11/11/2009 | EP2116311A1 High tensile cold rolled steel plate and method for manufacturing the cold rolled steel plate |
| 11/11/2009 | EP2115179A2 Iron-nickel-chromium- silicon alloy |
| 11/11/2009 | EP2115178A1 Cold rolled and continuously annealed high strength steel strip and method for producing said steel |
| 11/11/2009 | EP1573075B1 Method for producing a steel product |
| 11/11/2009 | CN101578911A Use of an iron-chromium-aluminium alloy with long service life and minor changes in heat resistance |
| 11/11/2009 | CN101578669A Soft magnetic material, powder magnetic core, process for producing soft magnetic material, and process for producing powder magnetic core |
| 11/11/2009 | CN101578446A Process for production of common rails and partially strengthened common rails |
| 11/11/2009 | CN101578385A Ferritic stainless steel sheet for water heater excellent in corrosion resistance at welded part and steel sheet toughness |
| 11/11/2009 | CN101578384A Steel with weld heat-affected zone having excellent CTOD properties and process for producing the steel |
| 11/11/2009 | CN101578383A Eco-friendly Pb-free free cutting steel with excellent machinability and hot workability |
| 11/11/2009 | CN101578381A Processes for production of steel sheets for cans |
| 11/11/2009 | CN101578380A Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate |
| 11/11/2009 | CN101575947A High-strength high-toughness carbide-free bainite drill pipe and preparation method thereof |
| 11/11/2009 | CN101575685A Alloy material for manufacturing rotor shaft of motor for soymilk machine |
| 11/11/2009 | CN101575684A Self-lubricating wear-resistant surfacing alloy for drill rod joint |
| 11/11/2009 | CN101574708A Wear resistant and impact resistant guide coil |
| 11/11/2009 | CN101574706A Sub-half high-speed steel roller and heat treatment process thereof |
| 11/11/2009 | CN100558926C Steel for plastic molds and process of heat treatment thereof |
| 11/11/2009 | CN100558925C Iron mased monolith of anticorrosion of zinc liquid |
| 11/11/2009 | CN100558924C High-strength welded steel pipe |
| 11/11/2009 | CN100558916C Stainless steel sheet for gasket and method for producing same |
| 11/11/2009 | CN100558504C Preparation of seamless special-shaped steel pipe for low temperature resistance oil derrick electric transmission pole tower |
| 11/10/2009 | USRE40950 Ferritic stainless steel plate |
| 11/10/2009 | US7615186 Spring steel excellent in sag resistance and fatigue property |
| 11/10/2009 | US7615126 High strength hot rolled steel plate excellent in enlargeability and ductility and method for producing thereof |
| 11/10/2009 | US7615099 Method for producing high cleanness steel excellent in fatigue strength or cold workability |
| 11/10/2009 | CA2397953C Method for producing angular, stainless shot-blasting abrasives based on fe-cr-c alloy |
| 11/05/2009 | WO2009134119A1 Drive belt ring component and manufacturing method and maraging steel base material therefor |
| 11/05/2009 | WO2009133965A1 Hot-rolled steel plate for steel tubes for machine structural purposes which is excellent in fatigue characteristics and bending formability and process for production of the plate |
| 11/05/2009 | WO2009133945A1 Alloy and method for producing alloy |
| 11/05/2009 | WO2009133920A1 High‑hardness shot material |
| 11/05/2009 | US20090274574 Forging steel and its manufacturing method, and forged parts |
| 11/05/2009 | US20090274573 Machine Structural Steel Excellent in Machinability and Strength Properties |
| 11/05/2009 | US20090274572 High-Strength Pearlitic Steel Rail Having Excellent Delayed Fracture Properties |
| 11/05/2009 | US20090274571 Nd-Fe-B Permanent Magnetic Material |
| 11/05/2009 | US20090272469 0.05% or less C; 0.5% or less Si; 0.20% to 1.80% Mn; 0.03% or less P; 0.005% or less S; 14.0% to 18.0% Cr; 5.0% to 8.0% Ni; 1.5% to 3.5% Mo; 0.5% to 3.5% of Cu; 0.05% or less Al; 0.20% or less V; 0.01% to 0.15% oN2; and 0.006% or less O2 on a mass basis; corrosion resistance; heating, quanching, cooling |
| 11/05/2009 | US20090272464 Grain-Oriented Electrical Sheet Superior in Watt Loss |
| 11/04/2009 | EP2113581A1 Heat and corrosion resistant cast stainless steels with improved high temperature strength and ductility |
| 11/04/2009 | EP2113580A1 Steel wire rod excellent in mechanical descaling |
| 11/04/2009 | EP1290236B1 Welding method, filler metal composition and article made therefrom |
| 11/03/2009 | US7611590 Wear resistant alloy for valve seat insert used in internal combustion engines |
| 11/03/2009 | CA2355559C Alloyed steel powder for powder metallurgy |
| 10/29/2009 | WO2009132079A2 Bi-steel percussive drill rod |
| 10/29/2009 | WO2009131739A2 Lower-cost, ultra-high-strength, high-toughness steel |
| 10/29/2009 | WO2009131248A1 Low-carbon martensitic cr-containing steel |
| 10/29/2009 | WO2009130079A1 Roll for supporting and conveying hot material having a welded-on surface, method for the production of a roll comprising a welded-on surface, method for repairing a used roll |
| 10/29/2009 | US20090266451 Ultra-High Strength Martensitic Alloy |
| 10/29/2009 | DE102008018135A1 Eisen-Chrom-Aluminium-Legierung mit hoher Lebensdauer und geringen Änderungen im Warmwiderstand Iron-chrome-aluminum alloy with high durability and small changes in resistance when hot |
| 10/29/2009 | CA2715998A1 Lower-cost, ultra-high-strength, high-toughness steel |
| 10/28/2009 | EP2112247A1 High-strength, alloyed, hot-dip zinc-coated steel sheet with excellent phosphatability |
| 10/28/2009 | EP2112245A1 Ferritic stainless steel for exhaust gas passage member |
| 10/28/2009 | EP2112237A1 Development of a very high resistance to sensitization in austenitic stainless steel through special heat treatment resulting in grain boundary microstructural modification |
| 10/28/2009 | EP2111475A1 Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance |
| 10/28/2009 | EP1382701B1 Ferritic heat-resistant steel and method for production thereof |
| 10/28/2009 | EP1120577B1 Rolling bearing and method for fabricating a race for a rolling bearing |
| 10/28/2009 | CN101568662A Process for manufacturing steel blanks |
| 10/28/2009 | CN101568661A Martensitic non-heat-treated steel for hot forging and non-heat-treated steel hot forgings |
| 10/28/2009 | CN101568660A Composite steel and method of thermally treating the same |
| 10/28/2009 | CN101568659A Weather-resistant hot rolled steel sheet superior high-strength, and manufacturing method |
| 10/28/2009 | CN101568655A High carbon hot-rolled steel sheet and method for production thereof |
| 10/28/2009 | CN101567240A Alloy material, a magnetic material, a manufacturing method of a magnetic material, and a magnetic material manufactured by the manufacturing method |
| 10/28/2009 | CN101566066A High-intensity hydraulic support pipe with wall thickness of 60mm-70mm |
| 10/28/2009 | CN101565801A High-carbon-chromium bearing steel and manufacture method thereof |