Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/2013
06/12/2013EP2602349A2 High carbon chromium bearing steel, and preparation method thereof
06/12/2013EP2602348A1 Grain-oriented magnetic steel sheet
06/12/2013EP2602347A1 Grain-oriented magnetic steel sheet and process for producing same
06/12/2013EP2602346A1 Directional magnetic steel plate and production method therefor
06/12/2013EP2602345A1 Grain-oriented magnetic steel sheet and process for producing same
06/12/2013EP2602344A1 Oriented electromagnetic steel plate
06/12/2013EP2602343A1 Directional magnetic steel plate
06/12/2013EP2602342A1 Grain-oriented magnetic steel sheet and process for producing same
06/12/2013EP2602341A1 Grain-oriented electrical steel sheet, and method for producing same
06/12/2013EP2602340A1 Oriented electromagnetic steel plate and production method for same
06/12/2013EP2602339A1 Grain-oriented electrical steel sheet, and method for producing same
06/12/2013EP2602335A1 Process for producing non-oriented electromagnetic steel sheet
06/12/2013CN103154567A Articulated chain comprising link plates made of boron-manganese steel
06/12/2013CN103154297A High-strength steel sheet and method for producing same
06/12/2013CN103154295A High carbon steel wire rod having excellent wire drawability
06/12/2013CN103154294A Ferritic stainless steel excellent in heat resistance and workability
06/12/2013CN103154293A Carburizing steel having excellent cold forgeability, and production method thereof
06/12/2013CN103154292A Ferritic stainless steel having excellent corrosion resistance and conductivity and method of the same, separator of proton-exchange membrane fuel cell and proton-exchange membrane fuel cell
06/12/2013CN103154291A Austenite high-manganese stainless steel, manufacturing method therefor, and member using said steel
06/12/2013CN103154279A Method of hot forming a steel blank and the hot formed part
06/12/2013CN103153529A Weld metal and method for submerged arc welding
06/12/2013CN103153523A 激光焊接方法 Laser welding
06/12/2013CN103153504A Alloy material for R-T-B system rare earth permanent magnet, method for producing R-T-B system rare earth permanent magnet, and motor
06/12/2013CN103147022A TMCP (thermal mechanical control processing) type E47 steel plate with good low temperature toughness and manufacture method thereof
06/12/2013CN103147021A Martensitic stainless steel forged piece and forging and rolling heat treatment integrated production process
06/12/2013CN103147020A Low-temperature tempered martensite ultrahigh-strength steel
06/12/2013CN103147019A Casting method of cold working die module
06/12/2013CN103147018A Austenitic stainless steel forging and production process thereof
06/12/2013CN103147017A Steel plate with high strength and excellent low-temperature toughness and manufacturing method thereof
06/12/2013CN103147016A Cryogenic vessel steel of minus 110 DEG C and manufacturing method thereof
06/12/2013CN103147015A Hot-rolled pickled plate having good phosphorization performances
06/12/2013CN103147014A High-toughness drill pipe with rare earth and preparation method thereof
06/12/2013CN103147013A Hollow steel for rock drilling tool
06/12/2013CN103147012A Copper nickel alloy steel and production process thereof
06/12/2013CN103147011A Ultra-high strength hot continuous rolling steel for furniture and production method thereof
06/12/2013CN103147010A Hydrogen and hydrogen sulphide corrosion resistant steel forged piece and production process thereof
06/12/2013CN103147009A N80Q steel-grade oil casing and manufacture method thereof
06/12/2013CN103147008A Cold-work mould steel material and alloy modifying agent
06/12/2013CN103147007A Chromium-copper alloy steel
06/12/2013CN103147006A Anti-corrosion seamless gathering line pipe and its making method
06/12/2013CN103147005A TMCP (thermal mechanical control processing) type E36 ship plate with good low temperature toughness and manufacture method thereof
06/12/2013CN103147004A Hot-rolled low-alloy high-strength steel plate and preparation method for same
06/12/2013CN103147003A Niobium-containing pressure-bearing seamless steel tube and preparation method thereof
06/12/2013CN103147002A Low-alloy high-strength steel plate and preparation method thereof
06/12/2013CN103147001A Fireproof hull structure steel and production method thereof
06/12/2013CN103147000A Polygonal ferrite-acicular ferrite two-phase steel plate/belt and production method thereof
06/12/2013CN103146999A Nickel-molybdenum alloy steel
06/12/2013CN103146998A Over-400Mpa galvanized high-strength structural steel and production method thereof
06/12/2013CN103146997A Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof
06/12/2013CN103146996A Large-expansion steel for seamless steel tube and preparation method thereof
06/12/2013CN103146995A High manganese steel continuous casting production technique
06/12/2013CN103146994A Steel wire rod with a length of greater than or equal to 500 mm used for long-fibered steel wools and production method thereof
06/12/2013CN103146993A Heat-resistant neodymium iron boron material and preparation method thereof
06/12/2013CN103146992A High-strength hot-dip galvanized steel sheet with excellent processability and process for producing the same
06/12/2013CN103146982A Method for preparing Fe-Ga-In-Tb alloy bar by filtering and undercooling ceramic
06/12/2013CN103146981A Method for smelting ferritic stainless steel by dephosphorized molten iron
06/12/2013CN103146980A Phosphorus controlling process for producing high manganese steel by using electron-beam technique (EBT) electric-arc furnace returning method
06/12/2013CN103146979A Production process for producing high manganese steel by using electron-beam technique (EBT) electric-arc furnace returning method
06/12/2013CN103146895A Integral normalizing process for 8Cr steel for rock drilling rod
06/12/2013CN103144739A Manufacturing method of active separated bulbous bow
06/12/2013CN103144371A Heat-resistant aluminum/steel composite material for brazing
06/12/2013CN103143563A Method for preventing 65 Mn hot rolled steel coil from collapsing by phase-change thermal expansion
06/12/2013CN102517520B Balancing block of nonmagnetic compressor motor
06/12/2013CN102477515B Method for preparing high-strength lead-free free cutting steel
06/12/2013CN102477473B Method for controlling boron content of boron-containing steel smelted by vacuum induction furnace
06/12/2013CN102465239B Method for increasing sulfur yield of high sulfur stainless steel
06/12/2013CN102465238B Method for reducing stainless steel welding wire blank material hot-rolled corner crack defect
06/12/2013CN102443669B Method for smelting high strength plastic product steel
06/12/2013CN102400051B Relieved tooth and preparation method thereof
06/12/2013CN102345073B Nitrogen-vanadium-niobium high-carbon chromium bearing steel
06/12/2013CN102345070B Nitrogen-vanadium-niobium stainless bearing steel
06/12/2013CN102345061B Q690D quality structural medium steel plate and production method thereof
06/12/2013CN102296225B Preparation method of sintered lead-free free-machining steel
06/12/2013CN102286700B Sulfuric-acid-resistant dew point corrosion steel with tensile strength greater than or equal to 800Mpa grade and preparation method thereof
06/12/2013CN102226255B Steel plate with high strength and toughness and 690MPa of yield strength and preparation process thereof
06/12/2013CN102203303B Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
06/12/2013CN102203301B Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
06/12/2013CN102181792B Low-cost high-strength high-toughness shock-proof refractory steel and preparation technique thereof
06/12/2013CN102137946B High-carbon hot-rolling steel sheet and a production method therefor
06/12/2013CN102127710B Chromium-free weather-resistant steel
06/12/2013CN102041437B 160mm-thick Q345E-Z35 steel plate for high-rise buildings and production method thereof
06/12/2013CN102002635B Steel for pressure container in thick specification and preparation method thereof
06/12/2013CN101981634B R-T-B-type sintered magnet and method for production thereof
06/12/2013CN101970811B A movable wall member in form of an exhaust valve spindle or a piston for an internal combustion engine, and a method of manufacturing such a member
06/12/2013CN101914728B Niobium-titanium composite beam steel of light truck and preparation method thereof
06/12/2013CN101696483B Bake-hardening hot-rolled steel sheet with excellent workability and process for producing the same
06/12/2013CN101652821B R-Fe-B type rare earth sintered magnet and process for production of the same
06/11/2013US8460481 High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets
06/06/2013WO2013082188A1 Martensitic steels with 1700-2200 mpa tensile strength
06/06/2013WO2013082171A1 High silicon bearing dual phase steels with improved ductility
06/06/2013WO2013081451A1 Heat treatment process in a manufacturing method for a drive belt metal ring component
06/06/2013WO2013081422A1 Lean duplex stainless steel and preparation method thereof
06/06/2013WO2013081144A1 Method for rolling/drawing nickel-free high-nitrogen stainless steel material, nickel-free high-nitrogen stainless steel seamless thin pipe, and method for producing same
06/06/2013WO2013080891A1 Process for producing non-oriented electrical steel sheet
06/06/2013WO2013080828A1 Bonded component
06/06/2013WO2013080699A1 Stainless steel and method of manufacturing same
06/06/2013WO2013080605A1 Rare-earth sintered magnet
06/06/2013WO2013080533A1 Stainless steel for fuel-cell separators
06/06/2013WO2013080528A1 Tool for piercing mill
06/06/2013WO2013080526A1 Ferritic stainless steel
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