Patents for C22C 33 - Making ferrous alloys (11,268)
01/2014
01/15/2014CN102517502B Disk-shaped roller cutter ring and manufacture method thereof
01/15/2014CN102321851B 10.9-grade boron-containing spheroidizing-free cold heading steel wire rod and manufacturing method thereof
01/15/2014CN101994058B Quake-proof construction steel with lamellar tearing resistance and excellent performance and production method thereof
01/09/2014US20140007991 Tough iron-based bulk metallic glass alloys
01/09/2014DE102012013226A1 Hochwärmeleitender Ventilsitzring Thermally Conductive valve seat ring
01/08/2014EP2681343A2 Method for the production of a porous element, and cell of a rechargeable oxide battery
01/08/2014EP2681340A1 Hot-work tool steel and a process for making a hot-work tool steel
01/08/2014CN103503088A Magnetic material and coil component
01/08/2014CN103503087A NdFeB system sintered magnet
01/08/2014CN103498106A Boron-containing rare-earth-added BT110H steel-grade casing for thick oil thermal production well and production method thereof
01/08/2014CN103498102A Precise alloy formula for automatic flame-out protection device of gas cooker and its preparation method
01/08/2014CN103498099A Thick-gauge steel plate with excellent low-temperature aging performance, and manufacturing method thereof
01/08/2014CN103498098A Manufacturing method of middle high strength steel plate
01/08/2014CN103498094A Manufacturing method of high-strength steel plate
01/08/2014CN103498092A Preparation method of wear-resistant cast steel
01/08/2014CN103498091A Niobium-titanium-iron alloy preparation method and niobium-titanium-iron alloy
01/08/2014CN103498090A As cast condition large gradient material preparation method and utilization device thereof
01/08/2014CN103498064A Composite flux for laterite nickel ore smelting and application thereof
01/08/2014CN102634723B Ferrite ductile iron used at low temperature and manufacturing method thereof
01/08/2014CN102360670B Composite material with ferrite magnetic layer and amorphous soft magnetic core as well as preparation method thereof
01/03/2014WO2014002986A1 Production method and mold for rare earth sintered magnet
01/03/2014WO2014002983A1 Method for producing rare earth sintered magnets
01/01/2014EP2680292A2 Object detecting actuator and object detecting switch
01/01/2014EP2679691A1 Method for manufacturing an austenitic stainless steel from a nickel laterite ore and a chromite ore
01/01/2014CN103493155A Magnetic material and coil component using same
01/01/2014CN103484796A Engine piston material and processing technology thereof
01/01/2014CN103484794A Multi-component alloy cast iron preparation method
01/01/2014CN103484785A High-strength alloy containing rare-earth elements and preparation method thereof
01/01/2014CN103484783A Alloy for cutter ring of disk type hobbing cutter and preparation method thereof
01/01/2014CN103484781A High-strength and high-toughness spring steel and manufacturing method thereof
01/01/2014CN103484777A Austenitic manganese steel and preparation method of same
01/01/2014CN103484767A Ferrotitanium alloy and preparation process thereof
01/01/2014CN103484766A Hardened and tempered high-strength and low-weld crack sensitivity steel plate for 600MPa-level water-power engineering and preparing method thereof
01/01/2014CN103484764A Ti precipitation strengthening type ultra-high-strength hot rolling thin plate and production method thereof
01/01/2014CN103484762A Preparation method of Ti5O9 nanoparticles formed in plain carbon steel
01/01/2014CN103484761A Steel plate for tubular pile 40-60mm thick and production method thereof
01/01/2014CN103484760A Ferro-tungsten alloy and preparation process thereof
01/01/2014CN103484759A Ferrovanadium alloy and preparation process thereof
01/01/2014CN103484754A Production method of spheroidal graphite cast iron for planet carrier
01/01/2014CN103484753A Novel as-cast 500-7 nodular cast iron
01/01/2014CN103484751A Method for preparing vermicular graphite cast iron and application thereof
01/01/2014CN103484750A Production method of heat-resistant spheroidal graphite cast iron for gas inlet housing
01/01/2014CN103484749A Nodular cast iron inoculant and preparation method thereof and application in smelting nodular cast iron
01/01/2014CN103484748A Smelting process of food refining tool material
01/01/2014CN103484747A Method for preparing iron-based amorphous alloy with supersoft ferromagnetic property
01/01/2014CN103484746A Method for remelting high-strength stainless steel
01/01/2014CN103484741A Ferromanganese alloy and preparation technology thereof
01/01/2014CN103484674A Raw material heating and pre-reduction technology in production process of iron alloy
01/01/2014CN103484599A Smelting method of high-manganese wear-resistant steel
01/01/2014CN103484592A High-strength inoculated casting and manufacturing method thereof
01/01/2014CN102747296B Austenitic stainless steel and its preparation method
12/2013
12/31/2013US8617288 Sintered material for valve guides and production method therefor
12/27/2013WO2013191276A1 Sintered magnet
12/27/2013WO2013188993A1 Nodularization-processing method
12/25/2013CN203360542U Oxygen control device of NdFeB forming workshop
12/25/2013CN103469117A Hot-rolled ribbed steel bar having strength-to-yield ratio of 1.25 or more, and production method thereof
12/25/2013CN103469116A Fork-lift truck steering knuckle cast steel material
12/25/2013CN103469115A Fork-lift truck steering knuckle cast steel material and preparation method thereof
12/25/2013CN103469114A High-toughness stainless steel material used for water pump shell, and preparation method thereof
12/25/2013CN103469113A Process for increasing lead yield in smelt of free-cutting stainless steel used for nibs
12/25/2013CN103469105A Boron-containing stainless steel and boron alloyage smelting method thereof
12/25/2013CN103469100A Precipitation hardening type stainless steel pearl mill working chamber with high toughness and high wear resistance and preparation method thereof
12/25/2013CN103469098A X80 pipeline steel with good HIC (hydrogen induced crack) resistance and production method thereof
12/25/2013CN103469096A Heat-resistant steel used for ethylene cracking furnace tube material, and preparation method for ethylene cracking furnace tube
12/25/2013CN103469093A Molybdenum-containing stainless steel and smelting method thereof
12/25/2013CN103469085A Rare earth (RE)-containing special petroleum casing for heavy oil thermal recovery wells and production method thereof
12/25/2013CN103469080A 80ksi steel grade oil well pipe and manufacturing method thereof
12/25/2013CN103469078A Rolled steel wire used on 70 kg-grade round-link chain and preparation method of rolled steel wire
12/25/2013CN103469070A Steel for straight welded oil casing pipes and production method thereof
12/25/2013CN103469067A Production method of precise and long-service mold steel
12/25/2013CN103469064A High-strength anti-seismic HRB400E reinforcement bar and preparation method thereof
12/25/2013CN103469055A Lead-adding process in smelt of lead-containing free-cutting stainless steel used for nibs
12/25/2013CN103469052A Ferrous sulfide and preparation method thereof
12/25/2013CN103469050A Aluminum-containing cold forging steel smelting process
12/25/2013CN103469049A Technology for steel making by directly alloying molybdenum oxide
12/25/2013CN103469048A Boron-containing steel boron alloying treatment method
12/25/2013CN103469047A Ceramimetallurgical preparation method of high-corrosion resistance weathering steel
12/25/2013CN103469046A Preparation method of reinforced tool steel
12/25/2013CN103469045A Laterite nickel ore microwave low-temperature smelting device
12/25/2013CN103468870A Method for removing impurities from byproduct ferrophosphorus
12/25/2013CN103464695A Calm steel die casting device and process
12/25/2013CN102816979B Production method of low-carbon sulfur series free-cutting steel continuous casting billet
12/25/2013CN102747268B High-strength high-ductility nodular cast iron and manufacturing method thereof
12/25/2013CN102605273B Steel bonded hard alloy and preparation method thereof
12/25/2013CN102605238B 50kg grade normalized steel plate with good SR (stress relieving annealing) resistance characteristic and manufacturing method thereof
12/25/2013CN102492890B Low silicon nodularizer and application thereof
12/25/2013CN102492888B Vermiculizer and application thereof
12/25/2013CN101370606B Rare earth sintered magnet and method for producing same
12/19/2013WO2013187347A1 Method for producing ferrochromium, and ferrochromium
12/19/2013DE112012001234T5 Magnetisches Material Magnetic material
12/18/2013CN203346460U Nodulizing ladle cover with drainage device
12/18/2013CN203343424U Overturn type spheroidizing tundish cover
12/18/2013CN103459656A Sputtering target for magnetic recording film
12/18/2013CN103459632A Vanadium-containing powder metallurgical powders and methods of their use
12/18/2013CN103456451A Method for preparing room temperature high magnetic energy product anti-corrosion sintered NdFeB
12/18/2013CN103451578A Iron-based amorphous strip and manufacturing method thereof, transformer core and transformer
12/18/2013CN103451569A Corrosion-resistant and high-strength stainless steel material for pump covers and manufacturing method thereof
12/18/2013CN103451564A Processing method of high-strength wear-resistant bucket lip of large excavator
12/18/2013CN103451562A Quenched large-thickness easy-to-weld Z-direction high-strength steel plate for water and electricity and production method thereof
12/18/2013CN103451561A Weather-resistant steel plate capable of performing high heat input welding and production method thereof
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