Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
10/2011
10/20/2011US20110253268 High carbon content and high strength heat-treated steel rail and method for producing the same
10/20/2011US20110253267 High strength steel pipe of api x65 grade or higher and manufacturing method therefor
10/20/2011US20110253265 Quenched and tempered steel pipe with high fatigue life, and its manufacturing method
10/20/2011US20110253264 Iron-Carbon Master Alloy
10/20/2011US20110253263 Hot-dip galvanized steel sheet and manufacturing method thereof
10/20/2011US20110253262 Corrosion-resistant austenitic steel alloy
10/20/2011CA2794658A1 Production method of hot rolled steel sheet and production method of hot-dip galvanized steel sheet
10/19/2011EP2377964A1 Low-carbon sulphur free-cutting steel
10/19/2011EP2377963A1 Corrosion-resistant steel material for crude oil tanker
10/19/2011EP2377962A1 Precipitation hardenable martensitic stainless steel and steam turbine blade using the same
10/19/2011EP2377961A1 Oriented electrical steel sheet, and method for producing same
10/19/2011EP2377954A1 Method for producing steel sheet for gasket, and gasket
10/19/2011EP2376666A2 Surface decarburization-restrained steel and manufacturing method thereof
10/19/2011EP2376256A1 Flux and wire for submerged arc welding of crmov steels
10/19/2011EP2000548B1 Arc start material for electroslag remelting of superalloy and arc starting method employing the arc start material
10/19/2011EP1867742B1 Process for producing a high-strength steel plate and high-strength welded steel pipe excellent in ductile fracture performance
10/19/2011CN102224269A Hot-dip galvanized steel sheet and manufacturing method thereof
10/19/2011CN102224268A Seamless steel pipe and method for manufacturing same
10/19/2011CN102224265A Method and apparatus for producing steel pipes having particular properties
10/19/2011CN102222873A Energy-saving bolt-type strain clamp
10/19/2011CN102220884A Multi-alloy article, and method of manufacturing thereof
10/19/2011CN102220547A Steel strips used for CT80-grade continuous oil pipe and preparation method thereof
10/19/2011CN102220546A B-containing medium-carbon non-quenched and tempered steel and production method thereof
10/19/2011CN102220545A High-carbon and high-strength heat-treated steel rail with high wear resistance and plasticity and manufacturing method thereof
10/19/2011CN102220544A Steel material of hot-working die and its production process
10/19/2011CN102220538A Sintered neodymium-iron-boron preparation method capable of improving intrinsic coercivity and anticorrosive performance
10/19/2011CN102220473A Antimicrobial stainless steel wire and manufacturing method thereof
10/19/2011CN102220465A Heat treatment process of steel in low-alloy, high-strength and weather-proof structure
10/19/2011CN102218531A Hybrid preparation method of high-performance sintered NdFeB permanent magnet
10/19/2011CN102218516A Continuous casting method of high chrome steel
10/19/2011CN101680067B Steel material for thermal cutting with oxygen
10/18/2011US8039118 Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the same
10/18/2011US8038934 High-strength spring steel excellent in brittle fracture resistance and method for producing same
10/18/2011US8038811 Process for producing bent pipe for line pipe
10/18/2011US8038809 High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof
10/18/2011CA2632112C Galvanized steel sheet and method for producing the same
10/16/2011CA2721736A1 High carbon content and high strength heat-treated steel rail and method for producing the same
10/13/2011WO2011126154A1 High-strength steel sheet having excellent hot rolling workability, and process for production thereof
10/13/2011WO2011126121A1 Welding metal having excellent low-temperature toughness and excellent drop-weight characteristics
10/13/2011WO2011126073A1 Wire material for saw wire and method for producing same
10/13/2011WO2011126064A1 High-strength hot-dip galvanized steel sheet with excellent formability and process for producing same
10/13/2011WO2011125901A1 Ferrite heat-resistant cast steel having excellent normal-temperature toughness and exhaust system component formed from the same
10/13/2011WO2011125738A1 Hot dipped galvanized steel sheet and alloyed hot-dip galvanized steel sheet, each having excellent processability, high yield ratio and high strength
10/13/2011WO2011125595A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125594A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125591A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125589A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125588A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125587A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125585A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125583A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125582A1 Permanent magnet and manufacturing method for permanent magnet
10/13/2011WO2011125578A1 Method for recycling slurry, method for manufacturing rare-earth based sintered magnet, and apparatus for recycling slurry
10/13/2011WO2011125447A1 High-carbon steel wire with excellent suitability for wiredrawing and fatigue property after wiredrawing
10/13/2011WO2011124970A1 Austenitic heat-resistant cast steel
10/13/2011WO2011124851A2 Mechanical part made of steel having high properties and process for manufacturing same
10/13/2011WO2011091983A3 Process for the heat treatment of metal strip material, and strip material produced in that way
10/13/2011WO2011081392A9 Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same
10/13/2011WO2011081360A3 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
10/13/2011WO2011081331A9 Martensitic stainless steel produced by a twin roll strip casting process and method for manufacturing same
10/13/2011US20110250471 Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same
10/13/2011US20110250088 Ferritic-austenitic stainless steel
10/13/2011US20110248071 Austenitic welding material, and preventive maintenance method for stress corrosion cracking and preventive maintenance method for intergranular corrosion, using same
10/13/2011US20110247734 Surface Decarburization-Restrained Steel and Manufacturing Method Thereof
10/13/2011US20110247733 Seamless steel pipe and method for manufacturing the same
10/13/2011CA2795714A1 High strength steel sheet having excellent warm stamp formability and method for manufacturing the same
10/12/2011EP2375212A2 Barrel for firearms
10/12/2011EP2374910A1 Steel, flat, steel product, steel component and method for producing a steel component
10/12/2011EP2374904A1 Steel wire material for spring and its producing method
10/12/2011EP2374571A1 Flux-cored wire for gas-shielding arc welding
10/12/2011EP2374560A1 Wear-resistant material
10/12/2011EP1587963B1 Ultrahigh strength hot-rolled steel and method of producing bands
10/12/2011EP0952235B1 Method for producing high-strength steels having high impact energy absorption properties
10/12/2011CN102216483A High strength and toughness steel structures by friction stir welding
10/12/2011CN102216482A High-carbon steel wire material with excellent processability
10/12/2011CN102216480A High-hardness constant-modulus alloy insensitive to magnetism, process for producing same, balance spring, mechanical driving device, and watch
10/12/2011CN102216474A Manganese steel strip having an increased phosphorus content and process for producing the same
10/12/2011CN102214510A Ferronickel soft magnetic material and manufacturing method thereof
10/12/2011CN102212762A Nuclear container steel with tensile strength of more than 690MPa level and production method
10/12/2011CN102212761A High-chromium impact crusher board hammer
10/12/2011CN102212760A Steel with high toughness and ultrahigh strength
10/12/2011CN102212759A Alloy steel for underwater pile gripper and preparation method thereof
10/12/2011CN102212758A High-alloy stainless steel for impurity-containing dilute sulphuric acid medium and processing method thereof
10/12/2011CN102212757A Alloy steel for large wind-driven power generation device and manufacturing process of workpiece made of same
10/12/2011CN102212756A Chromium-molybdenum-vanadium hotwork tool-die steel and heat treatment process thereof
10/12/2011CN102212755A Low-alloy cast steel and application thereof in heavy lorry axle housing, raw materials and machining process
10/12/2011CN102212754A Material for hot stamping mould and preparation method thereof
10/12/2011CN102212753A Novel heat and abrasion resistant alloy steel material for hot stamping die
10/12/2011CN102212752A Low-temperature angle steel and manufacturing method thereof
10/12/2011CN102212751A Steel for high-strength petroleum casing pipe used in heavy oil thermal recovery well and manufacturing method thereof
10/12/2011CN102212750A Steel plate for ship structure and manufacture method thereof
10/12/2011CN102212749A Method for producing steel for high-efficiency alloy welding wires through continuous billet casting
10/12/2011CN102212748A Method for producing hot-rolled steel coils
10/12/2011CN102212747A Low-cost steel for automobile beam and manufacturing method thereof
10/12/2011CN102212746A Twin crystal induced plastic steel with strength-plasticity product of more than 65GPa percent and production method thereof
10/12/2011CN102212745A High-plasticity 780MPa-level cold rolled dual-phase steel and preparation method thereof
10/12/2011CN102212744A High-strength microcrystal thin steel plate material and preparation method thereof
10/12/2011CN102212743A Low-yield-ratio hot-rolled dual-phase steel plate with tensile strength of 600MPa and manufacturing method thereof
10/12/2011CN102212742A Hot-stamping automobile part with flexibly-distributed intensity and control method thereof
10/12/2011CN102212736A Method for preparing niobium microalloy steel by using low-niobium molten iron