Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2014
03/05/2014CN103614654A Alloy steel material used for engine shield and preparation method of the alloy steel material
03/05/2014CN103614653A Method for manufacturing mill roll
03/05/2014CN103614652A Silicon-manganese-chrome-molybdenum low-alloy steel excavator bucket tooth and production technique thereof
03/05/2014CN103614651A Steel for coupler yoke of railway vehicle and heat treatment process of steel
03/05/2014CN103614650A High-manganese alloy steel for tightening member
03/05/2014CN103614649A High-strength, high-toughness and high-plasticity martensitic stainless steel and preparation method thereof
03/05/2014CN103614648A Wear-resistant alloy cast steel material used for pump valves resistant to severe environments and preparation method of the material
03/05/2014CN103614647A Rare earth alloy steel material used for valves and preparation method of the material
03/05/2014CN103614646A Alloy steel material used for concrete pump conveyer pipes and preparation method of the alloy steel material
03/05/2014CN103614645A Cold-brittleness resistant alloy steel material used for pump trucks and preparation method of the material
03/05/2014CN103614644A Highly-wear-resistant alloy steel material used for pump trucks and preparation method of the alloy steel material
03/05/2014CN103614643A An alloy steel material used for slewing bearing circular tracks of excavators and a preparation method of the alloy steel material
03/05/2014CN103614642A High-toughness alloy steel material used for shaft sleeves of centrifugal pumps and preparation method of the material
03/05/2014CN103614641A Special high-chromium forged steel
03/05/2014CN103614640A High-temperature oxidation-resistant steel for non-coating hot stamping
03/05/2014CN103614639A Corrosion-resistant wear-resistant alloy steel material used for pump trucks and preparation method of the material
03/05/2014CN103614638A High-niobium Q460-grade fire-resistant steel and manufacturing method thereof
03/05/2014CN103614637A Rack steel coil rod for combing and production method thereof
03/05/2014CN103614636A Hafnium-niobium stainless steel material used for pump valves and preparation method thereof
03/05/2014CN103614635A Roll mark prevention composite roller
03/05/2014CN103614634A Alloy spring wire and preparation method thereof
03/05/2014CN103614633A Alloy steel material having high hot strength and preparation method thereof
03/05/2014CN103614632A Manufacturing method of submarine oil well valve base
03/05/2014CN103614631A Rare earth-containing body of perforating gun and preparation method thereof
03/05/2014CN103614630A Steel for high-strength bridge and manufacturing method of steel
03/05/2014CN103614629A 900MPa grade hot rolling non-tempering thin steel sheet and preparation method thereof
03/05/2014CN103614628A 65MnTiB steel and manufacturing method of hot rolled steel plate thereof
03/05/2014CN103614627A Ti-containing high-strength steel produced based on flexible rolling technology and preparation method thereof
03/05/2014CN103614626A High-strength steel plate for engineering machinery for rear earth treatment and,manufacturing method thereof
03/05/2014CN103614625A 590MPa level hot rolling steel plate for automobile compartment
03/05/2014CN103614624A High-density precipitated phase containing low-alloy high-strength steel plate strip and rolling process thereof
03/05/2014CN103614623A Formula of titanium and titanium alloy type alloy steel
03/05/2014CN103614622A A low-temperature-resistant alloy material used for pump valve and a preparation method thereof
03/05/2014CN103614621A A refractory steel material used for blades of centrifugal pumps and a preparation method of the material
03/05/2014CN103614620A High-strength wear-resistant alloy steel material and preparation method thereof
03/05/2014CN103614619A Permanent magnet for small and special motor and processing technology of permanent magnet
03/05/2014CN103614618A Method for preparing non-oriented electrical steel for high-efficient motor via twin roll strip casting
03/05/2014CN103614617A Steel for motor turbine of roller washing machine and production method thereof
03/05/2014CN103614616A Steel-making cooling cold material-remelted steel and preparation method thereof
03/05/2014CN103614615A Low cost cold rolling non-oriented electrical steel production method
03/05/2014CN103614614A Lanthanum-iron alloy for rare earth steel production
03/05/2014CN103614613A Drill pipe joint and preparation method thereof
03/05/2014CN103614531A Heat treatment method of exhaust passage component of automobile
03/05/2014CN103614523A Roller cold-treatment process
03/05/2014CN103611908A Manufacturing technology for cast steel roller
03/05/2014CN102864372B Wear-resisting rolling mill guide and guard and manufacture method thereof
03/05/2014CN102851611B Ultrahigh toughness steel plate for deep-water pressure resistant shell and manufacture method thereof
03/05/2014CN102766818B Martensite steel based on dynamic carbon partitioning principle
03/05/2014CN102732781B Offshore platform steel with CTOD being greater than or equal to 2 millimeters at minus 40 DEG C and production method thereof
03/05/2014CN102712080B Saw wire
03/05/2014CN102605266B Steel for caterpillar type engineering machinery caterpillar link pin bushes and production method thereof
03/05/2014CN102505096B Steel with good property and ultra-high strength for engineering machinery and manufacturing method thereof
03/05/2014CN102482747B Drawn and heat-treated steel wire for high-strength spring, and undrawn steel wire for high-strength spring
03/05/2014CN102443744B Double medium quenching heat treatment process for high-medium carbon alloy steel
03/05/2014CN102412045B Iron-based nanocrystalline magnetically soft alloy
03/05/2014CN102383049B Method for manufacturing low-cost high-toughness X70 steel spiral submerged arc welded pipe
03/05/2014CN102333899B Hot rolled steel sheet having excellent punching workability and fatigue properties, hot dip galvanized steel sheet, and method for producing same
03/05/2014CN102301024B Wire material, steel wire, and processes for production of those products
03/05/2014CN102277531B Steel for wheels of rapid transit railway vehicles
03/04/2014US8664569 Low carbon, high speed metal core wire
03/04/2014US8663550 Hot work tool steel with outstanding toughness and thermal conductivity
03/04/2014US8663549 Heat-resisting steel for engine valves excellent in high-temperature strength
03/04/2014US8663403 High corrosion resistance precipitation hardened martensitic stainless steel
03/04/2014US8663400 Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogen
02/2014
02/28/2014CA2825433A1 Absorption process of acid compounds contained in waste gas by means of an amine-based aqueous solution
02/27/2014WO2014030663A1 Steel material
02/27/2014WO2014030619A1 Method for cutting cold work tool steel, and method for producing cold-working die material
02/27/2014WO2014030618A1 Thick steel plate having good ultralow-temperature toughness
02/27/2014WO2014030607A1 Stainless steel sheet and method for producing same
02/27/2014WO2014030512A1 Non-oriented magnetic steel sheet that exhibits minimal degradation in iron-loss characteristics from a punching process
02/27/2014WO2014030480A1 Machine part and process for producing same
02/27/2014WO2014030392A1 Highly strong, highly tough and highly corrosion-resistant martensitic stainless steel
02/27/2014WO2014030327A1 Round steel material for cold forging
02/27/2014WO2014029328A1 Super high toughness and high strength drill rod and manufacturing process therefor
02/27/2014US20140057121 High strength steel having good toughness
02/27/2014US20140056754 Hot press-formed product, process for producing same, and thin steel sheet for hot press forming
02/27/2014US20140056753 Hot press-formed product, process for producing same, and thin steel sheet for hot press forming
02/27/2014US20140056752 Steel material having excellent atmospheric corrosion resistance
02/27/2014US20140056751 Cast austenitic stainless steel
02/27/2014US20140056749 Hot-work tool steel and a process for making a hot-work tool steel
02/27/2014US20140053955 Steel for cold punching and steel element for steel belt using the same
02/26/2014EP2700731A1 Steel sheet for can with high barrel-part buckling strength under external pressure and with excellent formability and excellent surface properties after forming, and process for producing same
02/26/2014EP2700730A2 Steel sheet having high Young's modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high Young's modulus, and methods for manufacturing these
02/26/2014EP2700729A1 Steel for solid oxide fuel cells having excellent oxidation resistance, and member for solid oxide fuel cells using same
02/26/2014EP2700728A1 High-strength cold-rolled steel sheet with highly even stretchabilty and excellent hole expansibility, and process for producing same
02/26/2014EP2699704A1 Method for manufacturing and utilizing ferritic-austenitic stainless steel
02/26/2014CN103608480A Air hardenable shock-resistant steel alloys, methods of making thereof, and articles including thereof
02/26/2014CN103608479A Ferritic stainless-steel sheet with excellent non-ridging property and process for producing same
02/26/2014CN103603408A Wear-resistant bucket tooth with cleaning runner and manufacturing method of wear-resistant bucket tooth
02/26/2014CN103603011A Energy-saving environment-friendly steel-aluminium alloy structural anode steel claw
02/26/2014CN103602980A Method for laser restoration on worn finishing roller
02/26/2014CN103602928A Wear-resistant alloy steel liner plate material with high strength, and preparation method thereof
02/26/2014CN103602927A Lead-free bearing steel and preparation method thereof
02/26/2014CN103602926A Stainless steel, stainless steel tool, and manufacturing method of the stainless steel tool
02/26/2014CN103602925A Method for heating Ni-containing steel and removing iron oxide scales
02/26/2014CN103602924A Wear-resistant alloy roller
02/26/2014CN103602923A Bucket tooth alloy and production method thereof
02/26/2014CN103602922A Powder metallurgy ferrous alloy and preparation method thereof
02/26/2014CN103602921A Method for preparing cold-work die steel
02/26/2014CN103602920A Bearing steel and manufacturing process of wear-resistant bearing
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