| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 02/12/2014 | CN103567398A High-abrasion-resistance anti-dust cylinder liner casting technology |
| 02/12/2014 | CN102492889B Production and application of low silicon nodularizer |
| 02/12/2014 | CN102453830B Preparation method of cast steel |
| 02/12/2014 | CN102392175B Inoculant |
| 02/12/2014 | CN102392094B Spheroidizing agent for spheroidal graphite cast iron, and preparation method thereof |
| 02/05/2014 | EP2693451A1 Sintered neodymium magnet |
| 02/05/2014 | EP2693450A1 Sintered neodymium magnet |
| 02/05/2014 | CN103556103A Anti-carburizing material and preparation method thereof |
| 02/05/2014 | CN103556081A High-strength high-toughness wear-resisting steel for excavator bucket teeth and manufacturing method thereof |
| 02/05/2014 | CN103556073A High-temperature alloy cast tube material for 700 DEG C level ultra-supercritical thermal power generating unit reheater and preparation method of high-temperature alloy cast tube material |
| 02/05/2014 | CN103556072A Chromium-containing powder metallurgy alloy and preparation method thereof |
| 02/05/2014 | CN103556071A High temperature radiation resistant magnetostriction alloy |
| 02/05/2014 | CN103556070A High-wear-resisting stainless steel coffee maker material and preparation method thereof |
| 02/05/2014 | CN103556069A Large-diameter seamless steel tube for high-pressure gas cylinders and manufacturing method thereof |
| 02/05/2014 | CN103556068A Method for producing weather-resisting steel by using low-grade nickel ores |
| 02/05/2014 | CN103556067A Casting piece steel for railway vehicle swing bolster side frame and preparation method thereof |
| 02/05/2014 | CN103556065A Production method of free-cutting plastic mould steel plate |
| 02/05/2014 | CN103556064A Metastable austenite high-boron high-chrome low-carbon wear-resisting alloy steel and preparation method thereof |
| 02/05/2014 | CN103556061A Production method of quenched and tempered high-strength Q690E super-thick steel plate |
| 02/05/2014 | CN103556060A Production method of quenched and tempered high-strength Q800E super-thick steel plate |
| 02/05/2014 | CN103556058A Low-cost, high-performance corrosion-resistant steel bar and preparation method thereof |
| 02/05/2014 | CN103556055A Hot-rolled H-shaped steel for marine natural gas extraction platform structure and production method of hot-rolled H-shaped steel |
| 02/05/2014 | CN103556046A Fe-Ga based sheet material with high magnetostriction coefficient and preparation method thereof |
| 02/05/2014 | CN103556044A Interface optimization material of sintered neodymium iron boron and usage method thereof |
| 02/05/2014 | CN103556043A High-toughness and high-hardness ductile cast iron material used at ultralow temperature and preparation method thereof |
| 02/05/2014 | CN103556042A Casting and thermal treatment technology for high-chromium iron on flow passage component of slurry pump |
| 02/05/2014 | CN103556040A Preparation method of nodular cast iron alloy |
| 02/05/2014 | CN103556039A Preparation method of nodular cast iron of alloy for roll |
| 02/05/2014 | CN103556038A Preparation method of ferrite nodular cast iron |
| 02/05/2014 | CN103556036A Preparation method of low-temperature resistant high-toughness nodular cast iron |
| 02/05/2014 | CN103556035A Method for removing black spot defects of nodular cast iron cutter casting |
| 02/05/2014 | CN103556034A Vermicularizing treatment process of natural gas power cylinder |
| 02/05/2014 | CN103556033A Addition controlling method of iron copper quantity of alloy ball |
| 02/05/2014 | CN103556032A Method for preparing ultrathin-walled vermicular graphite cast iron |
| 02/05/2014 | CN103556031A Preparation method of nodular cast iron for piston |
| 02/05/2014 | CN103556030A Preparation method of long-acting inoculant for nodular cast irons |
| 02/05/2014 | CN103555892A New method for controlling alkalinity value of molten alloy steel slag system |
| 02/05/2014 | CN103555882A Method for adding nitrogen in low carbon stainless steel ladle |
| 02/05/2014 | CN103555881A Manufacturing method of steel ingot for gas cylinder |
| 02/05/2014 | CN103555877A Salt-containing nodulizing agent preparation device |
| 02/05/2014 | CN103551565A Manufacturing method for soft-magnetic Fe-Si-Al-Ni alloy powder |
| 02/05/2014 | CN102605232B Nanometer alloy cast iron grinding ball and preparation method thereof |
| 01/30/2014 | WO2014017381A1 Target material and method for producing same |
| 01/30/2014 | WO2014015703A1 Casting alloying method of brake disc for high-speed railway engine |
| 01/29/2014 | CN103540871A Low-carbon high-chromium high-nitrogen high-corrosion resistance steel and production method thereof |
| 01/29/2014 | CN103540854A Powder metallurgy bearing steel and preparation method thereof |
| 01/29/2014 | CN103540851A High-performance powder metallurgy material and preparation method thereof |
| 01/29/2014 | CN103540850A Super-thick steel with yield strength >= 550MPa for engineering machinery as well as production method thereof |
| 01/29/2014 | CN103540845A Hot-rolled thin plate enamelled steel with yield strength of 330 MPa and manufacturing method thereof |
| 01/29/2014 | CN103540840A Production method of Cr-free high-strength quenched and tempered steel plate for spherical tank |
| 01/29/2014 | CN103540838A Steel plate for low-temperature vessel and production method thereof |
| 01/29/2014 | CN103540835A Kilo-level-La (Fe, Si) 13-based magnetic refrigeration material as well as preparation method and applications thereof |
| 01/29/2014 | CN103540833A Smelting method of HIC (Hydrogen Induced Crack)/SSCC (Sulfide Stress Corrosion Cracking)-preventing steel |
| 01/29/2014 | CN103540832A Preparation method of nodular cast iron for crank shaft |
| 01/29/2014 | CN103540712A Nitrogen increasing method of low-carbon high-nitrogen stainless steel ladle |
| 01/29/2014 | CN103540702A Technology for producing spheroidal graphite cast iron for engineering machinery |
| 01/29/2014 | CN103540701A Smelting process suitable for ultra-high strength gray cast iron |
| 01/29/2014 | CN102796961B 600MPa high-performance fire-resistant aseismic reinforcing steel bar for concrete and production thereof |
| 01/29/2014 | CN102787282B Fe-based amorphous alloy ribbon with high saturation magnetic induction intensity and low iron loss and preparation method thereof |
| 01/29/2014 | CN102618806B Manufacturing method of amorphous strip capable of increasing direct current superposition performance |
| 01/29/2014 | CN102605290B Powder metallurgy material used for pressing and sintering exhaust seat ring |
| 01/29/2014 | CN102534376B Steel plate with excellent low-temperature toughness in large heat-input weld heat affected zone and production method thereof |
| 01/28/2014 | US8636948 Methods of preparing high density powder metallurgy parts by iron based infiltration |
| 01/28/2014 | CA2632460C Metallurgical powder composition |
| 01/22/2014 | CN103526129A Thick-specification acid-corrosion-resisting X65 pipeline steel plate and manufacturing method thereof |
| 01/22/2014 | CN103526125A Semi-steel roll and manufacturing method thereof |
| 01/22/2014 | CN103526116A Ferrite-bainite steel having tensile strength reaching 590MPa level and having high hole expanding performance, and production method thereof |
| 01/22/2014 | CN103526110A X 60 pipeline steel with thickness of 16-25 mm and production method of pipeline steel |
| 01/22/2014 | CN103526107A Method for preparing sintered neodymium-iron-boron magnet |
| 01/22/2014 | CN103526106A High-performance chrome-free high-boron cast iron composite material and preparation method thereof |
| 01/22/2014 | CN103526105A Raw material composition of nodular cast iron thin-wall border and production method thereof |
| 01/22/2014 | CN103526104A Special intermediate alloy for iron base amorphous nanocrystalline alloy and smelting method thereof |
| 01/22/2014 | CN103526103A Smelting method of garnierite type lateritic nickel ore and product of garnierite type lateritic nickel ore |
| 01/22/2014 | CN103526027A Method for preparing niobium, titanium and iron alloy by using carbon reduction and niobium, titanium and iron alloy |
| 01/22/2014 | CN103525968A Cover material covering nodularizer in graphite spheroidizing of cast iron |
| 01/22/2014 | CN102766798B Process control method for secondary processing of sintered NdFeB in quick-setting furnace |
| 01/22/2014 | CN102605265B Major-diameter continuously cast and rolled grinding ball and preparation method thereof |
| 01/22/2014 | CN101928893B Low-alloy steel resistant to carbon dioxide corrosion |
| 01/16/2014 | WO2014010418A1 Method for manufacturing sintered magnet |
| 01/15/2014 | EP2685475A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 01/15/2014 | EP2685474A1 Rare earth permanent magnet and production method for rare earth permanent magnet |
| 01/15/2014 | EP2685472A1 Rare earth permanent magnet and production method for rare earth permanent magnet |
| 01/15/2014 | EP2685471A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 01/15/2014 | EP2685470A1 Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 01/15/2014 | CN203393211U Fusion protection cover for feeding ferrochrome powder particles under argon protection atmosphere for intermediate frequency furnace |
| 01/15/2014 | CN103517997A Cast iron containing niobium and component |
| 01/15/2014 | CN103510015A Working roll of pickling and scale breaking tension leveler and its manufacturing process |
| 01/15/2014 | CN103510008A Hot rolling ferrite/bainite high strength steel plate and manufacturing method thereof |
| 01/15/2014 | CN103510003A Large deformation resistant multiphase X100 high-strength steel plate for large diameter pipeline and manufacturing method for steel plate |
| 01/15/2014 | CN103509998A Improved carbon steel and preparation technology thereof |
| 01/15/2014 | CN103509996A 400 MPa-tensile-strength high-strength carbon-manganese constructional steel and manufacturing method thereof |
| 01/15/2014 | CN103509995A Manufacturing method of semi-processed cold-rolled non-oriented electrical steel |
| 01/15/2014 | CN103509985A Alloy and preparation method and application thereof |
| 01/15/2014 | CN103509934A Method for manufacturing an austenitic stainless steel from a nickel laterite ore and a chromite ore |
| 01/15/2014 | CN103506809A Constant loading stress ring manufacturing method for high-temperature high-pressure environment containing poisonous and harmful gas |
| 01/15/2014 | CN103506624A Method for sintering neodymium iron boron magnets |
| 01/15/2014 | CN103506578A Casting technique for wheel-disc iron castings |
| 01/15/2014 | CN102719730B Manufacturing method of high strength bluing strapping steel |
| 01/15/2014 | CN102703813B Vanadium and titanium compound microalloyed steel bar and production method thereof |
| 01/15/2014 | CN102605250B Vehicle steel plate and production method thereof |