Patents for C22C 33 - Making ferrous alloys (11,268)
03/2014
03/05/2014CN103614655A A wear-resistant impact-resistant alloy steel material used for surface hardening and a preparation method of the alloy steel material
03/05/2014CN103614654A Alloy steel material used for engine shield and preparation method of the alloy steel material
03/05/2014CN103614647A Rare earth alloy steel material used for valves 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
03/05/2014CN103614642A 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
03/05/2014CN103614636A Hafnium-niobium stainless steel material used for pump valves and preparation method thereof
03/05/2014CN103614630A Steel for high-strength bridge and manufacturing method of steel
03/05/2014CN103614628A 65MnTiB steel and manufacturing method of hot rolled steel plate thereof
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
03/05/2014CN103614615A Low cost cold rolling non-oriented electrical steel production method
03/05/2014CN103614612A High-strength low stress cast nodular cast iron with high elasticity modulus and manufacturing method thereof
03/05/2014CN103614611A Manganese-silicon high-chromium cast iron and preparation method thereof
03/05/2014CN103614610A Method for preparing weather-resisting steel ingot
03/05/2014CN103614609A Molten iron desilication method for stainless steel smelting
03/05/2014CN103614608A Production method of Q460C-grade high-strength steel
03/05/2014CN103614607A Method for preparing stainless steel raw materials through smelting reduction of hot copper slags under action of nickel-containing materials
03/05/2014CN102864372B Wear-resisting rolling mill guide and guard and manufacture method thereof
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
03/05/2014CN102605266B Steel for caterpillar type engineering machinery caterpillar link pin bushes and production method thereof
03/05/2014CN101892415B Method for producing castings by utilizing waste scrap iron and waste steel
03/04/2014US8663439 Sputtering target for producing metallic glass membrane and manufacturing method thereof
02/2014
02/27/2014WO2014030480A1 Machine part and process for producing same
02/26/2014CN203454826U Safety warning system for smelter
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
02/26/2014CN103602928A Wear-resistant alloy steel liner plate material with high strength, and preparation method thereof
02/26/2014CN103602923A Bucket tooth alloy and production method thereof
02/26/2014CN103602922A Powder metallurgy ferrous alloy and preparation method thereof
02/26/2014CN103602920A Bearing steel and manufacturing process of wear-resistant bearing
02/26/2014CN103602914A Economical high-performance duplex stainless steel with stable structure
02/26/2014CN103602912A Wear-resistant alloy steel lining plate material and preparation method thereof
02/26/2014CN103602911A High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof
02/26/2014CN103602904A Rare earth containing low-cost seamless steel pipe for L415N pipeline and production method thereof
02/26/2014CN103602902A Powder metallurgy pressure-resistant composite metal material and preparation method thereof
02/26/2014CN103602899A Powder metallurgy alloy material and preparation method thereof
02/26/2014CN103602895A High-hole-expansion-ratio steel plate with tensile strength of 780 MPa and manufacturing process thereof
02/26/2014CN103602884A Ultralow-carbon aluminum-killed steel plate and production method thereof
02/26/2014CN103602882A Pouring molten iron and smelting process of natural gas powered cylinder
02/26/2014CN103602880A As-cast condition production method of high strength and toughness QT850-5 crankshaft
02/26/2014CN103602879A Preparation method for high strength gray cast iron material
02/26/2014CN103602878A Preparation method of high-toughness nodular cast iron
02/26/2014CN103602877A Production of ferro-alloys
02/26/2014CN103602774A Method for calculating alloy material list in steelmaking area
02/26/2014CN103600041A Casting method of high-strength high-hardness anti-marine-corrosion non-magnetic steel
02/26/2014CN102851568B Alloy vermicular cast iron glass mold material and preparation method thereof
02/26/2014CN102808140B High saturation induction density iron-based nanocrystalline magnetically soft alloy material and preparation method thereof
02/26/2014CN102747265B Raw materials and method for preparing white cast iron, and white cast iron structure
02/26/2014CN102719725B Sintered neodymium iron boron waste remoulding method
02/20/2014WO2014027641A1 Method for producing rare-earth sintered magnet and molding device
02/20/2014WO2014027638A1 Method for producing rare-earth sintered magnet and molding device
02/20/2014WO2014027636A1 Fe-Co ALLOY SPUTTERING TARGET MATERIAL AND METHOD FOR PRODUCING SAME, AND SOFT MAGNETIC THIN FILM LAYER AND PERPENDICULAR MAGNETIC RECORDING MEDIUM USING SAME
02/20/2014DE112012001171T5 Seltenerdmagnet und Verfahren zum Herstellen desselben Of the same rare-earth magnet and method for producing
02/19/2014CN103597108A RH diffusion source, and method for producing R-T-B-based sintered magnet using same
02/19/2014CN103589972A Low-cost low alloy steel for resistance to dew point corrosion of sulfuric acid as well as production process and application of low alloy steel
02/19/2014CN103589969A Production method of quenched and tempered high-intensity Q890D super-thick steel plate
02/19/2014CN103589968A Enhanced seamless deformed steel and preparation process thereof
02/19/2014CN103589966A Smelting technology of steel for petrolic valve case
02/19/2014CN103589965A Low-alloy high-strength cast steel and preparation method thereof
02/19/2014CN103589964A Steel plate used for 750MPa-grade hot rolling concrete agitator tank
02/19/2014CN103589963A Hot-continuous-rolled steel belt for oil casing of grade N80 and production method thereof
02/19/2014CN103589962A Composite wear-resistant material obtained by casting method and preparation method of composite wear-resistant material
02/19/2014CN103589961A Alloyed powder and manufacturing method and application thereof
02/19/2014CN103589958A High-performance high-speed tool steel for tap manufacture and preparation technology thereof
02/19/2014CN103589955A Steel for chemical equipment fastener and production method thereof
02/19/2014CN103589952A Rare earth alloying TRIP steel
02/19/2014CN103589947A Smelting technology of steel for anti-H2S flanged pipe fittings
02/19/2014CN103589944A Gray cast iron and production method thereof
02/19/2014CN103589943A Method for treating cast iron by rare earth
02/19/2014CN103589942A Ductile iron casting technology
02/19/2014CN103589941A Method for preparing vermicular graphite cast iron by molten iron spheroidization
02/19/2014CN103589940A Casting method of thin-wall nodular cast iron
02/19/2014CN103589939A Method for smelting ferro-nickel through smelting reduction of laterite-nickel ore
02/19/2014CN103589938A Smelting method of alloy for pressurizer shell
02/19/2014CN103589937A Low-carbon low-alloy high-strength steel refining technology
02/19/2014CN103589936A Preparation method of iron-based amorphous alloy material
02/19/2014CN103589930A Stainless-steel-bonded powder metallurgy tool and preparation method thereof
02/19/2014CN103586454A Nano-metal ceramic composite and preparation method thereof
02/19/2014CN103586424A Environment-friendly composite spheroidizing agent applied to thick and big ductile iron
02/12/2014EP2696355A1 Sintered neodymium magnet and manufacturing method therefor
02/12/2014CN103582715A Alloy for R-T-B-based rare earth sintered magnet, process for producing alloy for R-T-B-based rare earth sintered magnet, alloy material for R-T-B-based rare earth sintered magnet, R-T-B-based rare earth sintered magnet, process for producing R-T-B, and motor
02/12/2014CN103575113A Silicon iron charging facility in cast iron pipe production
02/12/2014CN103572178A High-temperature-resistant steel and production method thereof
02/12/2014CN103572176A Low-carbon martensite steel and method for preparing flying ring using same
02/12/2014CN103572172A Wear-resistant alloy steel and preparation method thereof
02/12/2014CN103572169A Tool steel material for saw blades
02/12/2014CN103572168A Tool steel material for saw blades and preparation method thereof
02/12/2014CN103572166A Boracic high-speed steel with good red hardness and preparation method thereof
02/12/2014CN103572165A Steel for petroleum sleeve connecting piece and production method of steel
02/12/2014CN103572158A Non-oriented electrical steel plate and production method thereof
02/12/2014CN103572157A Production method for improving insulating property by adding trace elements in oriented silicon steel barrier-coat
02/12/2014CN103572152A Vanadium-titanium-chromium alloy cast ball and manufacturing method thereof
02/12/2014CN103572151A High-grade grey cast iron casting method
02/12/2014CN103572149A High-strength brake disc and casting method thereof
02/12/2014CN103572142A Preparation method of nodular cast iron
02/12/2014CN103572140A components and preparation process of piston ring
02/12/2014CN103572139A Composite inoculation method of small thin-wall castings
02/12/2014CN103572138A Comprehensive utilization of construction waste
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