Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
05/2014
05/07/2014CN102605285B 一种奥氏体不锈钢及其制造方法 One kind of austenitic stainless steel and its manufacturing method
05/07/2014CN102605284B 一种双相不锈钢及其制造方法 One kind of duplex stainless steel and its manufacturing method
05/07/2014CN102409225B 一种高强度超细晶冷轧if钢及其生产方法 A high-strength cold-rolled if ultrafine-grained steel and production methods
05/07/2014CN102400037B 一种超高强度包装用钢带及其制备方法 An ultra-high strength steel for packaging and preparation method
05/06/2014US8715432 Fire-resistant steel superior in weld joint reheat embrittlement resistance and toughness and method of production of same
05/06/2014US8715429 Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same
05/06/2014US8715427 Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
05/06/2014CA2750291C Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof
05/01/2014WO2014065623A1 Batch type annealing thermal processing facility and method of manufacturing steel plate by using the facility
05/01/2014WO2014063671A1 Method for the thermomechanical treatment of hot-rolled steel beams
05/01/2014US20140120365 Steel sheet for hot pressing and process for manufacturing hot pressed member using the steel sheet
05/01/2014US20140117595 Cooling Apparatus of Thick-Gauge Steel Plate
05/01/2014US20140116578 High-strength high-toughness steel plate with yield strength of 700mpa and method of manufacturing the same
04/2014
04/30/2014CN203569155U Device for thermally stretching band steel in continuous annealing furnace
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
04/30/2014CN103764862A Medium carbon steel sheet, quenched member, and method for manufacturing medium carbon steel sheet and quenched member
04/30/2014CN103764859A Nickel steel plate and manufacturing process therefor
04/30/2014CN103758117A Metal tube pile butt plate and production process 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
04/30/2014CN103757558A Stainless steel wire production process
04/30/2014CN103757555A Economical double-phase stainless steel with excellent sheet breakage elongation
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
04/30/2014CN103757546A High alloy cutting tool steel for wood-working machine rotary cutter blades and hot processing process of high alloy cutting tool steel
04/30/2014CN103757544A Economical non-quenched and non-tempered micro-alloyed plastic die steel plate and making method thereof
04/30/2014CN103757540A Export S355J2 titanium-added steel plate and production method thereof
04/30/2014CN103757538A Wide-thick steel plate for high-Ti 700MPa-level engineering machine and production method
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
04/30/2014CN103757190A Production method of pipeline steel
04/30/2014CN103753138A Production method of railway wheels
04/30/2014CN103753116A Method for manufacturing working roll of sendzimir mill
04/30/2014CN102787276B High magnetic induction oriented silicon steel and manufacturing method thereof
04/30/2014CN102534158B Production process of high-precision cold-rolled oriented silicon steel strips
04/30/2014CN102296230B Hot rolled steel for vehicle wheel steel ring, and production process thereof
04/29/2014US8709550 Method for producing coated steel sheet
04/29/2014US8707529 Method and apparatus for breaking scale from sheet metal with recoiler tension and rollers adapted to generate scale breaking wrap angles
04/24/2014WO2014061784A1 Case-hardened steel having excellent fatigue characteristics
04/24/2014WO2014061782A1 Induction-hardening steel having excellent fatigue characteristics
04/24/2014WO2014061270A1 High-strength cold-rolled steel sheet and method for manufacturing same
04/24/2014WO2014061246A1 Hot-rolled steel sheet for production of nonoriented magnetic steel sheet and process for manufacturing same
04/24/2014WO2014060057A2 Device for heat transfer during the production of elongated strand-form material
04/24/2014US20140113159 Non-oriented electrical steel sheet, method of manufacturing the same, laminate for motor iron core, and method of manufacturing the same
04/24/2014US20140110022 Hot-rolled steel sheet and method for producing same
04/24/2014DE102012210693A1 Manufacturing hardened sheet metal part that is useful for producing body part of motor vehicle, comprises providing sheet-metal shaped part having increased strength due to preceding hardening process, and heat-treating part area-wise
04/24/2014DE102012020844A1 Verfahren zur thermomechanischen Behandlung von warmgewalzten Profilen Method for the thermomechanical treatment of hot-rolled sections
04/23/2014EP2722411A1 Ferritic stainless-steel sheet with excellent non-ridging property and process for producing same
04/23/2014EP2722113A1 High-strength steel wire having improved mold life for cold forming and method for manufacturing same
04/23/2014CN103748240A Method for producing a grain-oriented electrical steel flat product intended for electrotechnical applications
04/23/2014CN103741083A Cast pipe blank rolling method for preparing high-performance, large-size and high-precision beryllium copper pipe
04/23/2014CN103741079A Super-strength steel plate for oceanographic engineering and production method thereof
04/23/2014CN103741078A Remained heat treatment steel bar production process
04/23/2014CN103741074A Seamless steel tube material for automobile half axle sleeves and preparation method thereof
04/23/2014CN103741071A Die steel and preparation method thereof
04/23/2014CN103741068A Special process for freely forging EH36 optimized material steel ingot into plate-shaped bearing seat forged piece
04/23/2014CN103741066A Non-magnetic hard austenitic stainless steel for precision electron and manufacturing method thereof
04/23/2014CN103741063A Seamless steel tube material for geological drilling and preparation method thereof
04/23/2014CN103741062A Seamless steel tube material for nuclear power and preparation method thereof
04/23/2014CN103741058A Heat-resistant steel pipe material and preparation method thereof
04/23/2014CN103741057A Steel plate with low density and high marine environment resistance and production technology thereof
04/23/2014CN103741056A Corrosion resistant steel plate for resisting marine environment of South China Sea and production process of corrosion resistant steel plate
04/23/2014CN103741055A Low temperature-resistant steel pipe material and preparation method thereof
04/23/2014CN103741054A Seamless steel tube material for petroleum drill collars and preparation method thereof
04/23/2014CN103741051A Manufacturing method of sword body
04/23/2014CN103741046A High-wear-resistance seamless steel pipe material and preparation method thereof
04/23/2014CN103741037A High-strength antifatigue steel tube material and preparation method thereof
04/23/2014CN103741031A Thin slab casting and rolling process-based vanadium-containing ordinary oriented silicon steel and manufacturing method thereof
04/23/2014CN103741029A Production method of 100mm-thick normalized Q420GJC steel plate
04/23/2014CN103741028A Low-yield-ratio and low-temperature seamless steel tube and production method thereof
04/23/2014CN103741027A Ocean engineering steel with welded joint CTOD (crack tip opening displacement) greater than 0.5mm and preparation method
04/23/2014CN103741025A Method for preparing boron-containing micro-alloy steel by using boron-containing pig iron as boron charging agent
04/23/2014CN103741022A High strength building steel bar
04/23/2014CN103741019A Hot rolled steel strip and production method thereof
04/23/2014CN103741018A Method for producing light hot rolling H-shaped steel for automobile beam
04/23/2014CN103740977A Corrosion-resistant white copper tube and manufacturing method thereof
04/23/2014CN103740917A Steel tie rod processing method
04/23/2014CN103740916A Processing method for 42CrMo4 ring forge piece for supporting wind power rotating shaft
04/23/2014CN103740915A Production process of 1552 alloy forge piece for wind power bearing
04/23/2014CN103740914A Production process of 410 steel forge piece for deep-sea oil production equipment
04/23/2014CN103740913A High-temperature forged martensitic stainless steel heat treatment method
04/23/2014CN103740896A Steel pipe on-line quenching method
04/23/2014CN102876966B Preparation method of as-cast high manganese steel through forging processing
04/23/2014CN102732797B 800MPa grade low welding crack sensitivity steel plate and its manufacturing method
04/23/2014CN102686759B Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same
04/23/2014CN102325909B Method of manufacturing sheet steel for sour-resistant line pipe
04/23/2014CN102203304B Patenting of steel wire in tin, and the steel wire resulting therefrom
04/22/2014US8702880 High strength and low yield ratio steel for structure having excellent low temperature toughness
04/22/2014US8702879 Method for producing martensitic steel with mixed hardening
04/22/2014US8702875 High strength steel sheet with good wettability and manufacturing method thereof
04/22/2014CA2811189C High-strength steel sheet and high-strength zinc-coated steel sheet which have excellent ductility and stretch-flangeability and manufacturing method thereof
04/22/2014CA2607784C High strength and sagging resistant fin material
04/17/2014WO2014058938A1 Cold rolled recovery annealed mild steel and process for manufacture thereof
04/17/2014WO2014057519A1 Cold-rolled steel sheet with superior shape fixability and manufacturing method therefor
04/17/2014US20140106130 Grain oriented electrical steel sheet and method of producing grain oriented electrical steel sheet
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