Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/2012
09/20/2012WO2012124529A1 Welding metal having superior welding embrittlement resistance characteristics
09/20/2012WO2012124528A1 High-purity ferritic stainless steel sheet with excellent corrosion resistance and anti-glare properties
09/20/2012WO2012067473A3 High-toughness cold-drawn non-heat-treated wire rod, and method for manufacturing same
09/20/2012US20120237390 Martensitic Stainless Steel Produced by a Twin Roll Strip Casting Process and Method for Manufacturing Same
09/20/2012US20120237389 Heat-resistant austenitic steel having high resistance to stress relaxation cracking
09/20/2012US20120237388 Austenitic stainless steel sheet and a method for its manufacture
09/20/2012US20120237387 Stainless steel having local variations in mechanical resistance
09/20/2012US20120234438 Process for Production of Cold-Rolled Steel Sheet Having Excellent Press Moldability, and Cold-Rolled Steel Sheet
09/20/2012DE102011005712A1 Iron-based alloy for hardened steel, contains specified amount of carbon, chromium, molybdenum and nitrogen
09/20/2012DE10131638B4 Verfahren zur Herstellung eines Seltenerdmetallmagneten und Pulverpressvorrichtung A method for producing a rare earth magnet powder and pressing device
09/20/2012CA2828547A1 Steel sheet for bottom of aerosol cans with high resistance to pressure and high formability and method for manufacturing the same
09/19/2012EP2500445A1 High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet
09/19/2012EP2500444A1 Duplex stainless steel having excellent alkali resistance
09/19/2012CN202438543U Punching and rolling equipment of high-alloy difficultly deformable seamless steel pipe
09/19/2012CN1860249B High-yield-ratio high-strength thin steel sheet and high-yield-ratio high-strength hot-dip galvanized thin steel sheet excelling in weldability and ductility as well as high-yield-ratio high-strength alloyed hot-dip galvanized thin steel sheet and manufacture method thereof
09/19/2012CN102686762A Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings
09/19/2012CN102686761A Martensite stainless steel for an injection-moulding mould having improved corrosion resistance
09/19/2012CN102686760A Corrosion-resistant steel material for cargo oil tank
09/19/2012CN102686759A Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same
09/19/2012CN102686753A High hardness, high toughness iron-base alloys and methods for making same
09/19/2012CN102686751A Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby
09/19/2012CN102686750A Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
09/19/2012CN102677045A Laser cladding method
09/19/2012CN102677043A Upright post of hydraulic bracket and manufacturing method thereof
09/19/2012CN102676955A Low-carbon high-sulfur free-cutting steel with excellent cutting performance and manufacturing method thereof
09/19/2012CN102676954A Chromium-free high-boron abrasion-resisting alloy and preparation method thereof
09/19/2012CN102676953A 47kg grade steel plate used on ocean engineering platform and production method thereof
09/19/2012CN102676952A Steel plate for anti-large deformation oil gas conveying pipe and production method thereof
09/19/2012CN102676951A Austenitic heat-resistant steel and manufacturing method thereof
09/19/2012CN102676950A High-strength thick steel plate with excellent haz toughness
09/19/2012CN102676949A Hot-rolled steel plate for coal slurry conveying pipe and manufacturing method thereof
09/19/2012CN102676948A Boron-containing tire cord steel and preparation method thereof
09/19/2012CN102676947A Welded structural steel and manufacturing method thereof
09/19/2012CN102676946A Segmented hardness low-alloy steel hammer head and manufacturing method thereof
09/19/2012CN102676945A Easily-weldable tempered high-strength ductile steel plate used in hydroelectric projects and production method thereof
09/19/2012CN102676944A Nonmagnetic steel for drilling tool and its preparation method
09/19/2012CN102676943A Copper bearing antimicrobial duplex stainless steel and preparation method thereof
09/19/2012CN102676942A Thermal processing technology for petroleum drilling tool material
09/19/2012CN102676941A Tungsten carbide particle-reinforced wear-resistant corrosion-resistant stainless steel and preparation method thereof
09/19/2012CN102676940A Alloy powder for laser cladding
09/19/2012CN102676939A Thermal treatment process for 18Cr17Ni2 modified stainless steel material
09/19/2012CN102676938A Pickling-free steel coil with even iron sheet on surface and manufacture method thereof
09/19/2012CN102676937A Production technology of steel plate for X80 pipeline having low cost and high strength
09/19/2012CN102676936A Thick steel plate for high heat input welding
09/19/2012CN102676935A Improved 55Si2Mn alloy steel
09/19/2012CN102676934A Preparation method of 55Si2Mn alloy steel
09/19/2012CN102676933A Low-alloy super-strength high-toughness steel plate and production method thereof
09/19/2012CN102676932A Preparation method of high carbon steel in composite microalloy
09/19/2012CN102676931A Composite micro-alloy medium and high carbon steel
09/19/2012CN102676930A Ultra high strength steel having good toughness
09/19/2012CN102676929A Method for manufacturing spheroidizing-free high-quality high-strength cold forging steel
09/19/2012CN102676928A Powder metallurgy method
09/19/2012CN102676927A High-Ti micro-alloyed medium thickness steel plate and preparation method thereof
09/19/2012CN102676926A Complex phase steel plate and manufacturing method thereof
09/19/2012CN102676925A Submarine pipeline steel plate with great wall thickness and production method of submarine pipeline steel plate
09/19/2012CN102676924A Ultra-fine grained martensite steel plate and preparation method thereof
09/19/2012CN102676923A Steel with ultra-high thermal conductivity for hot-stamping die and preparation method of steel
09/19/2012CN102676922A Low-alloy wear-resistant steel and manufacturing method thereof
09/19/2012CN102676921A Cold-resistant high-strength hot-rolled angle steel and production method thereof
09/19/2012CN102676920A Large-thickness steel plate for low-temperature pressure container and production method thereof
09/19/2012CN102676919A Method for cooling low-alloy hot-rolled H-shaped steel with yield strength of 550MPa after rolling
09/19/2012CN102676918A Hot rolled steel plate for hot-dip galvanizing pot and production method of hot rolled steel plate
09/19/2012CN102676917A Preparation method of cold-rolled sheet for flux-cored wire
09/19/2012CN102676916A Non-oriented silicon steel for high-magnetic-induction variable frequency compressor and preparation method of non-oriented silicon steel
09/19/2012CN102676915A Pretreatment-free directly formed hot rolled low carbon steel and manufacturing method thereof
09/19/2012CN102676914A Cold-rolled non-oriented electric steel and preparation method thereof
09/19/2012CN102676913A Cold-rolled steel strip for flux-cored wire and production method of cold-rolled steel strip
09/19/2012CN102676905A Method for smelting ultra-pure austenite nuclear grade stainless steel
09/19/2012CN102676780A Hardening and tempering technology of alloy-steel tube
09/19/2012CN102676766A Thermal treatment method for improving low-temperature impact toughness of austenite-ferrite stainless steel
09/19/2012CN102676761A Annealing process method of steel SPHE for cold rolling stamping
09/19/2012CN102676752A Thermal treatment process for die steel H13 of automobile forged piece
09/19/2012CN102672442A Production process of output shaft of gear
09/19/2012CN102672183A Method for producing bevel gear with ratchet on end face through powder metallurgy warm forming
09/19/2012CN102672181A Production process of powder metallurgy products
09/19/2012CN102672180A Powdery metallurgical finished product process
09/19/2012CN102672166A Novel high-temperature wear-resisting iron-base alloy powder
09/19/2012CN102672165A Powder metallurgy process
09/19/2012CN102672164A Powder metallurgy
09/19/2012CN102672159A Alloy powder for laser cladding
09/19/2012CN102251188B Steel belt for bimetal saw back and production technique thereof
09/19/2012CN102199737B 600HB-grade wear resistant steel plate and its manufacturing method
09/19/2012CN102191429B Method for improving high heat input welding performance of thick steel plates
09/19/2012CN102061425B High-sensitivity magnetically sensitive material with wide linear area
09/19/2012CN102041459B Steel plate HT690 capable of being subjected to high heat input welding and manufacturing method thereof
09/19/2012CN102041367B Manufacturing method of thin strip continuously cast and cold rolled non-oriented electrical steel
09/19/2012CN101928894B High-strength weather resisting steel with Cu2-xS dispersed precipitates and manufacturing method thereof
09/19/2012CN101928890B Cr-containing steel for wire line core drilling and manufacturing method thereof
09/19/2012CN101928888B Low-alloy steel for resisting carbon dioxide corrosion and manufacturing method thereof
09/19/2012CN101918607B High strength steel plate for high heat input welding having welded joint with superior impact toughness in weld heat affected zone
09/19/2012CN101899612B Non-tempered steel pipe and preparation method thereof
09/19/2012CN101892437B Mirror polishability superior low-magnetic austenitic stainless steel and manufacturing method thereof
09/19/2012CN101892420B Recrystallization annealing process for preparing high-strength and high-ductility FeMnC alloy steel
09/19/2012CN101855370B Method of heat-treating steel, process for producing machine part, and machine part
09/19/2012CN101768697B Method for manufacturing oriented silicon steel with one-step cold rolling method
09/19/2012CN101724784B Stainless cold-rolling strip steel and manufacturing method thereof
09/19/2012CN101654757B Coated semi-processed non-oriented electrical steel sheet and manufacturing method thereof
09/19/2012CN101649419B High-performance cold extrusion die steel and metallurgical manufacturing method thereof
09/19/2012CN101490295B High-strength steel sheet excellent in stretch flangeability and fatigue property
09/18/2012US8268101 Austenitic stainless steel strip having a bright surface finish and excellent mechanical properties