Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
04/2014
04/16/2014CN102360683B Composite material for magnetic core of magnetic sensitive probe
04/16/2014CN102341522B Low alloy steel with a high yield strength and high sulphide stress cracking resistance
04/16/2014CN102138238B Stainless steel material for separator of solid polymer fuel cell and solid polymer fuel cell using the same
04/16/2014CN102131945B Case hardening steel, carburized component, and method for producing case hardening steel
04/15/2014US8696835 Austenitic stainless steel for hydrogen gas and a method for its manufacture
04/15/2014US8696834 Method for manufacturing seamless pipes
04/15/2014US8696832 High-strength hot-rolled steel sheet and method for manufacturing same
04/15/2014US8696789 Method for producing ferroalloy containing nickel
04/10/2014WO2014055010A1 An overhead electric power cable
04/10/2014WO2014054961A1 Method for producing grain-oriented magnetic silicon steel
04/10/2014WO2014054756A1 Shaped steel wire for undersea-cable protecting tube, manufacturing method therefor, and pressure-resistant layer
04/10/2014WO2014054430A1 Soft magnetic mixed powder
04/10/2014WO2014054287A1 Method for manufacturing heavy wall steel pipe
04/10/2014WO2014054141A1 Alloyed hot-dip zinc-coated steel sheet and method for producing same
04/10/2014WO2014054130A1 Wire for piston rings
04/10/2014WO2014053385A1 Steel alloy
04/10/2014WO2013046716A8 Grain-oriented electrical steel sheet and manufacturing method thereof
04/10/2014WO2013046661A8 Non-oriented electrical steel sheet
04/10/2014US20140099228 Steel with excellent rolling-contact fatigue properties
04/10/2014DE112012002150T5 Legierung für gesinterte Magneten auf RTB-Seltenerdbasis, Verfahren zur Herstellung einer Legierung für gesinterte Magneten auf RTB-Seltenerdbasis, Legierungsmaterial für gesinterte Magneten auf RTB-Seltenerdbasis, gesinterte Magneten auf RTB-Seltenerdbasis, Verfahren zum Herstellen von gesinterten Magneten auf RTB-Seltenerdbasis, und Motor Alloy for sintered magnets on RTB rare earth, A process for preparing an alloy for sintered magnets on RTB rare earth, alloy material for sintered magnets on RTB rare earth sintered magnets on RTB rare earth, to processes for the manufacture of sintered magnets on RTB rare earth, and motor
04/10/2014DE102012218159A1 Handhabungseinrichtung Handler
04/10/2014DE102012216052A1 Sinterpressteil und Verfahren zum Herstellen eines solchen Sintered member and the method for producing such
04/10/2014DE102012109651A1 Casting roll for two-rolling casting apparatus, has metal strip containing metal melt with roller component on peripheral surface by thermal spraying of coating material having preset range of grain diameter, and has contiguous layer
04/10/2014DE102011056847B4 Stahlblech zur Verwendung als Verpackungsstahl sowie Verfahren zur Herstellung eines Verpackungsstahls A steel sheet for use as packaging steel and method for producing a packaging steel
04/09/2014EP2716784A1 Rolling sliding member, method of manufacturing the same, and rolling bearing
04/09/2014EP2716783A1 Hot-rolled steel sheet and process for producing same
04/09/2014EP2716782A1 Cold-rolled steel sheet and method for producing same
04/09/2014EP2716781A1 Steel with excellent rolling fatigue characteristics
04/09/2014EP2716773A1 Process for producing high-strength hot-dip galvanized steel sheet with excellent material-quality stability, processability, and deposit appearance
04/09/2014EP2716772A1 Grain-oriented electromagnetic steel sheet and method for manufacturing grain-oriented electromagnetic steel sheet
04/09/2014EP2714955A1 Austenitic stainless steel
04/09/2014EP2714947A1 Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel
04/09/2014CN203530404U Male and female wearable steel ball
04/09/2014CN103717776A Spring steel and spring
04/09/2014CN103717775A Compression coil spring and method for producing same
04/09/2014CN103717774A High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each
04/09/2014CN103717773A High-strength galvanized steel sheet having superior bendability and method for producing same
04/09/2014CN103717772A Stainless steel for fuel cell separator
04/09/2014CN103717771A High-strength steel sheet having superior impact resistance, method for producing same, high-strength galvanized steel sheet, and method for producing same
04/09/2014CN103717770A High-strength high-processability steel sheet for cans and method for producing same
04/09/2014CN103717769A Stainless steel for fuel cell separator
04/09/2014CN103717768A Induction hardening steel and crank shaft manufactured by using same
04/09/2014CN103717761A Grain-oriented electromagnetic steel sheet and method for manufacturing grain-oriented electromagnetic steel sheet
04/09/2014CN103717326A Wire rod, steel wire using same, and billet
04/09/2014CN103710646A Ultrahard low-chromium-content grinding body and manufacturing method thereof
04/09/2014CN103710645A 3Cr17NiMo die steel easy to chip and preparation method of steel
04/09/2014CN103710644A Stainless steel seamless steel tube for sulfuric acid waste heat recovery device
04/09/2014CN103710643A Heat-resisting seamless stainless steel pipe for high-pressure boiler and manufacturing method thereof
04/09/2014CN103710642A Exhaust valve head material having excellent high-temperature strength and preparation method thereof
04/09/2014CN103710641A High-carbon 17-7pH stainless steel and preparation method thereof
04/09/2014CN103710640A Economical thermal refined 690MPa-grade steel plate with high strength and high tenacity
04/09/2014CN103710639A Steel for rolling stock coupler yoke
04/09/2014CN103710638A Martensitic stainless steel and manufacturing method thereof
04/09/2014CN103710637A Thin-wall super duplex stainless steel seamless tube and production technology thereof
04/09/2014CN103710636A Casting press mold for UOE welded tube flanging machine as well as preparation method and casting model of casting press mold
04/09/2014CN103710635A 600MPa class chromium/niobium-containing hot-rolled dual-phase steel plate and production method thereof
04/09/2014CN103710634A Wear-resistant steel ball for high chromium alloy mine
04/09/2014CN103710633A V microalloyed Mo anti-seismic refractory steel and manufacturing method thereof
04/09/2014CN103710632A Locomotive braking resistance tape with good alloying property and preparation method thereof
04/09/2014CN103710631A Preparation method of locomotive braking resistance tape with lower cost
04/09/2014CN103710630A Locomotive braking resistance tape capable of reducing resistance temperature coefficient and preparation method thereof
04/09/2014CN103710629A Preparation method of locomotive braking resistance tape capable of reducing resistance temperature coefficient
04/09/2014CN103710628A Large-thickness hydrogenating 14Cr1MoR steel plate and production method thereof
04/09/2014CN103710627A High-carbon and low-alloy wheel steel for railway wagon and manufacturing method of wheel
04/09/2014CN103710626A Cr-Mo ASTM A387 Gr22CL2 pressure vessel steel and production method thereof
04/09/2014CN103710625A High-toughness plastic die steel and production method thereof
04/09/2014CN103710624A Low alloy steel used for grounding grid resistant to acid soil corrosion
04/09/2014CN103710623A Spiral nut for powder metallurgy pneumatic rock drill and machining process thereof
04/09/2014CN103710622A 690MPa-yield-strength low-yield-tensile-ratio antiseismic steel and manufacturing method thereof
04/09/2014CN103710621A Thick steel plate with little change in toughness before and after strain ageing
04/09/2014CN103710620A Large-thickness steel plate for low-temperature pressure container and production process thereof
04/09/2014CN103710619A Hot-rolled thick plate for K60 pipes and production method thereof
04/09/2014CN103710618A Steel for titanium-boron composite micro alloying afterheat treatment steel bar
04/09/2014CN103710617A 340MPa-level hot-dipped zinc-alloy alloy high-strength IF (Interstitial-Free) steel
04/09/2014CN103710609A High-quality high-strength cold heading steel and production method thereof
04/09/2014CN103710583A Magnesium-alumium-iron alloy for desulfurizing and deoxidizing agent and preparation method thereof
04/09/2014CN103710529A Q235 steel structure property predicating method based on ultra-fast cooling system
04/09/2014CN103707925A Steering knuckle
04/09/2014CN103707024A Method for manufacturing high-precision longitudinal shearing strip splitting tool blade
04/09/2014CN103707021A Process for manufacturing die-casting molds for motorcycle accessories
04/09/2014CN103707008A Processing technology of oil cylinder barrel
04/09/2014CN103706761A Casting die of casting machine for alloy materials or non-metallic materials
04/09/2014CN103706742A Machining method of automobile rocker
04/09/2014CN103706646A Leveling process optimization method for continuously-annealed interstitial free steel sheets
04/09/2014CN103014289B Manufacturing method of forged steel balls
04/09/2014CN102851580B HRB600E aseismic reinforcement steel bar and production method thereof
04/09/2014CN102776442B Hot rolled steel used for stirrer in automotive stirring tank and production method thereof
04/09/2014CN102773484B Method for manufacturing ball-shaped check valve body by powder metallurgy
04/09/2014CN102758128B Method for producing deep-draw hot-rolled strip steel by micro carbon aluminium killed steel
04/09/2014CN102732799B Acid corrosion resistant steel for soleplate in hull and production method thereof
04/09/2014CN102699022B Control method for limit specification steel roll hot rolling by single-stand steekle mill
04/09/2014CN102676946B Segmented hardness low-alloy steel hammer head and manufacturing method thereof
04/09/2014CN102676921B Cold-resistant high-strength hot-rolled angle steel and production method thereof
04/09/2014CN102655966B Iron-based sintered powder metal for wear resistant applications
04/09/2014CN102644030B Cryogenic steel of which yield strength is 800 MPa class and production method thereof
04/09/2014CN102528324B Method for preparing alloy powder for manufacturing tubular welding wire
04/09/2014CN102383034B Steel for 13-dwt vehicle axle housing and production method thereof
04/08/2014US8691141 Low carbon resulfurized free cutting steel
04/08/2014US8691030 Low alloy steels with superior corrosion resistance for oil country tubular goods
04/08/2014US8691029 Reduced ferrite steel liner
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