Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
05/2014
05/06/2014US8715428 Hot-forging micro-alloyed steel and hot-rolled steel excellent in fracture-splitability and machinability, and component made of hot-forged microalloyed steel
05/06/2014US8715427 Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
05/06/2014US8714831 Bearing component, rolling bearing, and method for producing bearing component
05/06/2014CA2750291C Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof
05/01/2014WO2014066570A1 Quench and temper corrosion resistant steel alloy
05/01/2014WO2014065316A1 Sintered bearing
05/01/2014WO2014065257A1 Vane for rotary compressor
05/01/2014WO2014065201A1 Fe-Pt SINTERED COMPACT SPUTTERING TARGET AND MANUFACTURING METHOD THEREFOR
05/01/2014WO2014064920A1 Ferrite stainless steel and manufacturing method therefor
05/01/2014WO2014063671A1 Method for the thermomechanical treatment of hot-rolled steel beams
05/01/2014WO2013064698A3 Method for producing high-strength components from cast steel having trip/twip properties and use of the manufactured components
05/01/2014WO2013014512A8 Hot-formed previously welded steel part with very high mechanical resistance, and production method
05/01/2014US20140116578 High-strength high-toughness steel plate with yield strength of 700mpa and method of manufacturing the same
04/2014
04/30/2014EP2725593A1 Method for producing mixed oxides and permanent magnetic particles
04/30/2014EP2725264A1 Pressure ring and fabrication method therefor
04/30/2014EP2725113A1 Method for producing austenitic stainless steel and austenitic stainless steel material
04/30/2014EP2725112A1 Carburization-resistant metal material
04/30/2014EP2723910A1 Heat-resistant iron-chromium-aluminium alloy with low chromium vaporization rate and elevated thermal stability
04/30/2014CN103764866A Plated steel sheet having plated layer with excellent stability for hot press molding
04/30/2014CN103764864A Hot-rolled steel sheet for cold-rolled steel sheet, hot-rolled steel sheet for hot-dipped galvanized steel sheet, method for producing hot-rolled steel sheet for cold-rolled steel sheet, and method for producing hot-rolled steel sheet for hot-dipped
04/30/2014CN103764863A Hot-dip plated cold-rolled steel sheet and process for producing same
04/30/2014CN103764862A Medium carbon steel sheet, quenched member, and method for manufacturing medium carbon steel sheet and quenched member
04/30/2014CN103764861A Heat-resisting steel for exhaust valves
04/30/2014CN103764860A Steel oil well pipe having excellent sulfide stress cracking resistance
04/30/2014CN103764859A Nickel steel plate and manufacturing process therefor
04/30/2014CN103764310A Hot-stamp molded part and method for manufacturing same
04/30/2014CN103758746A Steel-steel double-metal rotor and manufacturing method thereof
04/30/2014CN103758117A Metal tube pile butt plate and production process thereof
04/30/2014CN103757566A Chromium alloyed steel for waste heat treatment reinforcing steel bar
04/30/2014CN103757565A Low-silicon low-magnesium steel for waste heat treated reinforcing steel
04/30/2014CN103757564A Cast alloy iron bainite piston ring and production technology thereof
04/30/2014CN103757563A High-hardness and wear-resisting low-carbon stainless steel material and preparation method thereof
04/30/2014CN103757562A Wear-resistance casting ball material and preparation method thereof
04/30/2014CN103757561A Large-caliber thick-wall marine seamless steel tube and TMCP (thermomechanical rolling process) production method thereof
04/30/2014CN103757560A Large-caliber high-strength seamless steel tube for machinery and TMCP (thermomechanical rolling process) production method thereof
04/30/2014CN103757559A Economical type duplex stainless steel with phase change plastification effect
04/30/2014CN103757558A Stainless steel wire production process
04/30/2014CN103757557A Wear-resistant high hardness alloy steel material and preparation method thereof
04/30/2014CN103757556A Roll surface material of high-pressure roller mill for crushing ore and preparation method of roll surface
04/30/2014CN103757555A Economical double-phase stainless steel with excellent sheet breakage elongation
04/30/2014CN103757554A Steel for large-capacity electronic gas cylinder and manufacturing method of steel
04/30/2014CN103757553A Shaft gear forged piece made of 40NiCrMo7 optimized material and manufacturing method thereof
04/30/2014CN103757552A Alloy steel material for cutting tools and preparation method thereof
04/30/2014CN103757551A Mechanically actuated chain wheel material, and manufacturing method thereof
04/30/2014CN103757550A Self-lubricating wear-resistant steel antifriction layer material and preparation method thereof
04/30/2014CN103757549A 355MPa-class thick plate and production method thereof
04/30/2014CN103757548A Low-aging sensitivity hot rolled plate with high strength and toughness and manufacturing method thereof
04/30/2014CN103757547A Cast steel material for composite roll ring and preparation method thereof
04/30/2014CN103757546A High alloy cutting tool steel for wood-working machine rotary cutter blades and hot processing process of high alloy cutting tool steel
04/30/2014CN103757545A High-temperature wearing-resistance alloy material for rolling mill guide and guard unit and rolling mill guide and guard unit thermal treatment method
04/30/2014CN103757544A Economical non-quenched and non-tempered micro-alloyed plastic die steel plate and making method thereof
04/30/2014CN103757543A Rare earth reinforced copper precipitation strengthened steel and preparation method thereof
04/30/2014CN103757542A Powder metallurgy manufacturing locker
04/30/2014CN103757541A Alloy material for ring hammer of coal breaker
04/30/2014CN103757540A Export S355J2 titanium-added steel plate and production method thereof
04/30/2014CN103757539A Vanadium-titanium alloy automobile brake disc
04/30/2014CN103757538A Wide-thick steel plate for high-Ti 700MPa-level engineering machine and production method
04/30/2014CN103757537A High hardness and low cold brittleness alloy steel material and preparation method thereof
04/30/2014CN103757536A Thin strip continuous casting economic high-strength binding strip with tensile strength of at least 1100 MPa and manufacturing method thereof
04/30/2014CN103757535A Cold-rolled deep drawing steel with bake hardening properties and production method thereof
04/30/2014CN103757534A Cold-rolled steel plate with good flange welding property and production method of cold-rolled steel plate
04/30/2014CN103757533A Thin strip continuous casting economic high-strength binding strip with tensile strength of at least 1000 MPa and manufacturing method thereof
04/30/2014CN103757532A Thin strip continuous casting economic high-strength binding strip with tensile strength of at least 980 MPa and manufacturing method thereof
04/30/2014CN103757531A Thin strip continuous casting economic high-strength binding strip with tensile strength of at least 1000 MPa and manufacturing method thereof
04/30/2014CN103757530A Thin strip continuous casting economic ultrahigh-strength binding strip with tensile strength of at least 1250 MPa and manufacturing method thereof
04/30/2014CN103757529A Wet and dry general multi-element alloy lining plate for ball mill
04/30/2014CN103757515A Preparation method of sintered neodymium-iron-boron with high corrosion resistance and machinability
04/30/2014CN103757262A Method for producing medium-vanadium iron from ferric vanadate through electro-silicothermic process
04/30/2014CN103757190A Production method of pipeline steel
04/30/2014CN103757178A Additive for improving anti-large line energy welding performance, and manufacturing and application methods thereof
04/30/2014CN103753883A High-chromium cast iron composite lining plate and preparation method thereof
04/30/2014CN103753458A Mill type spanner and production method thereof
04/30/2014CN103753116A Method for manufacturing working roll of sendzimir mill
04/30/2014CN103752788A Metal mold centrifuging casting process for duplex metal hammer
04/30/2014CN103752787A Metal mold centrifuging casting process for composite high and low carbon manganese steel hammer
04/30/2014CN102912255B Wear-resisting cast steel and preparation method thereof
04/30/2014CN102787276B High magnetic induction oriented silicon steel and manufacturing method thereof
04/30/2014CN102753300B Ultra high-strength welded joint and method for producing same
04/30/2014CN102744400B Automobile transmission gear based on copper aluminum steel sintering by powder metallurgy technology and manufacture method of automobile transmission gear
04/30/2014CN102732801B Pull rod material for nuclear power station steam generator and preparation process thereof
04/30/2014CN102703794B Method of vacuum induction argon bottom blowing for smelting high-performance magnetic material
04/30/2014CN102676938B Pickling-free steel coil with even iron sheet on surface and manufacture method thereof
04/30/2014CN102605297B High low-temperature impact toughness thick steel plates for hydrogen-contacting equipment and production method thereof
04/30/2014CN102560244B Microalloying and heat treatment method for 20MnMo steel
04/30/2014CN102465287B Manufacture method for laser cladded composite pipe with three layers of metals
04/30/2014CN102337470B Thin container plate and production method thereof
04/30/2014CN102296233B Steel for high-frequency electric resistance welding petroleum casing pipe and manufacturing method of steel
04/30/2014CN102296230B Hot rolled steel for vehicle wheel steel ring, and production process thereof
04/30/2014CN102251173B High-strength and high-toughness steel plate for low-cost and high linear energy welding
04/29/2014US8709336 Method for making an abrasion-resistant steel plate and plate obtained
04/29/2014US8709174 Seamless steel pipe for line pipe and method for manufacturing the same
04/29/2014US8709173 Thrust bearing component
04/29/2014US8708646 MCrAlY alloy, methods to produce a MCrAlY layer and a honeycomb seal
04/29/2014CA2801194C Drawing method of metallic tube and producing method of metallic tube using same
04/29/2014CA2590708C Method to obtain a manganese steel alloy, and manganese steel alloy thus obtained
04/24/2014WO2014061784A1 Case-hardened steel having excellent fatigue characteristics
04/24/2014WO2014061782A1 Induction-hardening steel having excellent fatigue characteristics
04/24/2014WO2014061699A1 Bearing element, rolling bearing and process for producing bearing element
04/24/2014WO2014061466A1 Manufacturing method for rare-earth magnet
04/24/2014WO2014061270A1 High-strength cold-rolled steel sheet and method for manufacturing same
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