| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 01/28/2010 | DE102006045871B4 Verfahren zur thermomechanischen Behandlung von nahtlos auf Radial-Axial-Ringwalzmaschinen hergestellten Ringen Method for the thermomechanical treatment of seamless produced in radial-axial ring rolling machines rings |
| 01/27/2010 | EP2147986A1 Bend pipe and process for manufacturing the same |
| 01/27/2010 | EP2147127A2 Process for the production of a grain oriented magnetic strip |
| 01/27/2010 | CN101633976A Direct quenching technology suitable for steel plates with different thicknesses and high durability |
| 01/27/2010 | CN100584984C Alloyed hot galvanizing bake hardening steel plate and method for manufacturing same |
| 01/27/2010 | CN100584983C Cold-rolled high-strength diphasic strip steel and manufacturing process thereof |
| 01/27/2010 | CN100584964C Manufacturing method of metallic plate having superfine crystal continuous gradient tissue and metallic plate |
| 01/27/2010 | CN100584963C Austenitic stainless steel as-forged solid solution treatment process after forging |
| 01/26/2010 | CA2511661C High burring, high strength steel sheet excellent in softening resistance of weld heat affected zone and method of production of same |
| 01/26/2010 | CA2484738C Method of continuous casting non-oriented electrical steel strip |
| 01/21/2010 | US20100012233 Ultra high strength twip steel sheet and manufacturing method thereof |
| 01/20/2010 | EP2144719A1 Method for the treatment of metal sheets |
| 01/20/2010 | EP1076725B1 Method and apparatus for straightening turbine casings |
| 01/20/2010 | CN100582280C Steel sheet for vitreous enameling and production method |
| 01/20/2010 | CN100582254C Process for producing high-strength spring |
| 01/19/2010 | US7648597 Method for manufacturing high tensile strength steel plate |
| 01/19/2010 | US7648191 Automobile strength member |
| 01/14/2010 | DE102008032024A1 Ultra-high carbon steel, useful for production of IC engine and transmission components for vehicles, comprises specified ranges of carbon, aluminum, chromium, silicon, stabilizing alloying elements and iron |
| 01/13/2010 | EP2143816A1 Hot-dip metal coated high-strength steel sheet for press working excellent in low-temperature toughness and process for production thereof |
| 01/13/2010 | EP2143815A1 Austenitic stainless steel excellent in intergranular corrosion resistance and stress corrosion cracking resistance, and method for producing austenitic stainless steel |
| 01/13/2010 | EP2143814A1 Steel material having excellent high-temperature strength and toughness, and method for production thereof |
| 01/13/2010 | EP2143813A1 Steel material having excellent high temperature properties and excellent toughness, and method for production thereof |
| 01/13/2010 | EP2142332A1 Seam-welded 36 ni-fe alloy structures and methods of making and using same |
| 01/13/2010 | CN100580123C High strength anti-weathering steel and producing method thereof |
| 01/13/2010 | CN100580122C Martensitic antibiotic stainless steel and thermal treatment method thereof |
| 01/13/2010 | CN100580104C Cooling technique after lead-containing easy-cutting steel rolling |
| 01/12/2010 | CA2496212C High strength cold rolled steel sheet and method for manufacturing the same |
| 01/12/2010 | CA2435938C High-strength isotropic steel, method for making steel plates and resulting plates |
| 01/07/2010 | US20100003161 A welded structure capable of suppressing sludge formation of corrosion products (antisludge agents) containing solid sulfur; using a steel of carbon, silicon, manganese, phophorus, sulfur, copper, aluminum, nitrogen, tungsten and iron; molybdenum-free; calibration: solute tungsten > = = 0.005% |
| 01/07/2010 | US20100000636 Duplex stainless steel |
| 01/07/2010 | US20100000634 Process for producing a steel strip comprising a relatively high strength dual phase steel |
| 01/07/2010 | US20100000062 Method and installation for producing steel products with optimum surface quality |
| 01/07/2010 | DE102008030279A1 Partielles Warmformen und Härten mittels Infrarotlampenerwärmung Partial thermoforming and curing by infrared heating lamp |
| 01/06/2010 | EP2140949A1 Process for producing unidirectionally grain oriented electromagnetic steel sheet |
| 01/06/2010 | CN101619383A Novel thermal forming method of high-strength steel plate stamping part |
| 01/06/2010 | CN100577849C Method for preparing deep drawing molybdenum belt |
| 01/06/2010 | CN100577846C Copper and nickel alloying twin crystal inducing plasticity steel material and preparation technique |
| 01/06/2010 | CN100577841C Austenitic stainless steel sheet excellent in color tone of surface and method for manufacturing same |
| 01/05/2010 | US7641850 Net shaping gear teeth for high performance automotive power transmission; heating above critical temperature and quenching faster than critical cooling rate; rolling between opposed dies having profiled surfaces for densification, plastic deformation and strengthening; cooling to harden |
| 01/05/2010 | CA2421276C Production method and installation for producing thin flat products |
| 12/31/2009 | US20090320968 Differential heat shaping and hardening using infrared light |
| 12/30/2009 | WO2009157661A2 Bake hardening steel with excellent surface properties and resistance to secondary work embrittlement, and preparation method thereof |
| 12/30/2009 | EP2138599A1 High-strength hot-dip galvanized steel sheet and method for producing the same |
| 12/30/2009 | EP2138596A1 Steel sheet for use in can, and method for production thereof |
| 12/30/2009 | EP2137327A1 Steel for tool-less hot forming or quenching with improved ductility |
| 12/30/2009 | CN101613790A Method for producing coils with high yield strength |
| 12/30/2009 | CN100575527C Thin belt continuous casting austenitic stainless steel belt and manufacturing method thereof |
| 12/30/2009 | CN100575526C Nickel-free metastable austenitic stainless steel with TRIP effect |
| 12/30/2009 | CN100575507C Processing method of optimizing rustless steel |
| 12/24/2009 | US20090314395 High strength thin-gauge steel sheet excellent in elongation and hole expandability and method of production of same |
| 12/24/2009 | US20090314394 Method for manufacturing an austenitic steel object |
| 12/23/2009 | WO2009154235A1 Steel for heat treatment |
| 12/23/2009 | EP2135966A1 Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same |
| 12/23/2009 | EP2135962A1 Case-hardened steel pipe excellent in workability and process for production thereof |
| 12/23/2009 | EP2134882A2 Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties |
| 12/23/2009 | EP1573075B8 Method for producing a steel product |
| 12/23/2009 | CN101608285A Interstitial free (IF) hot rolled strip and manufacturing method thereof |
| 12/23/2009 | CN101608284A Titanium microalloyed hot rolled strip and manufacturing method thereof |
| 12/23/2009 | CN101608283A Thick steel plate with excellent brittlement crevasse crack propagation halt characteristic and manufacturing method thereof |
| 12/23/2009 | CN101608282A Drill rod material steel pipe resisting low temperature of -40 to -60 DEG C and manufacturing method thereof |
| 12/23/2009 | CN101608254A Method for controlling high-chromium ferrite heat-resistant steel austenite-based micro-deformation lath martensite structure |
| 12/23/2009 | CN101607266A Method suitable for steckel mill to manufacture hot rolling steel strips of ferritic stainless steel |
| 12/23/2009 | CN101607265A Method for milling thin plate by four-high reversing cold mill |
| 12/17/2009 | WO2009150989A1 Process for producing high-alloy seamless pipe |
| 12/17/2009 | WO2009150319A1 Method for manufacturing very high strength, cold-rolled, dual phase steel sheets, and sheets thus produced |
| 12/17/2009 | WO2009149903A1 Process for the high-temperature annealing of grain-oriented magnetic steel strip in an inert gas atmosphere in a heat treatment furnace |
| 12/17/2009 | US20090308504 Steel sheet excellent in fine blanking performance and manufacturing method of the same |
| 12/17/2009 | US20090308499 Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced |
| 12/17/2009 | US20090308498 Method of production and production facility of high strength cold rolled steel sheet excellent in chemical convertibility |
| 12/17/2009 | CA2725290A1 Method for manufacturing very high strength, cold-rolled, dual phase steel sheets, and sheets thus produced |
| 12/16/2009 | EP2133443A1 Low alloy steel for the pipe for oil well use and seamless steel pipe |
| 12/16/2009 | EP2133442A1 Low-alloy steel, seamless steel pipe for oil well, and process for producing seamless steel pipe |
| 12/16/2009 | EP2133436A1 Method of continuous annealing for steel strip with curie point and continuous annealing apparatus therefor |
| 12/16/2009 | CN101605616A Process for producing seamless steel pipe made of high-chromium high-nickel alloy steel |
| 12/16/2009 | CN101603156A Manufacture method for manufacturing cantilever steel pipe with high strength and high toughness by using hot-rolling coiled plate |
| 12/16/2009 | CN101603153A Hot-rolled ferrite-bainite dual-phase steel and production method thereof |
| 12/16/2009 | CN101603150A Flexible rolling production method for high-strength hot-rolled dual-phase steel |
| 12/16/2009 | CN101603148A Method for producing economic low-temperature heating oriented electrical steel |
| 12/16/2009 | CN101603147A Hard tinned plate suitable for stamping processing and production process thereof |
| 12/16/2009 | CN101603145A Method for manufacturing high-efficiency non-oriented electrical steel for motor |
| 12/16/2009 | CN101603144A 700 MPa level high-strength cold rolling carbon-aluminum-manganese steel plate and manufacturing method thereof |
| 12/16/2009 | CN101603119A Method for manufacturing steel plate with high strength and high toughness by using hot-rolling coiled plate |
| 12/16/2009 | CN101602079A Method for manufacturing wear-resistant steel pipe by using hot-rolling coiled plate |
| 12/15/2009 | CA2377398C Use of a stainless steel for umbilicals in seawaters |
| 12/10/2009 | WO2009148193A1 Steel plate excellent in sour resistance and steel pipe for linepipes |
| 12/10/2009 | US20090301615 Method for producing an internal combustion engine valve and valve obtained in this manner |
| 12/10/2009 | US20090301613 Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance |
| 12/10/2009 | US20090300902 Cold-rolled steel sheet and process for producing the same |
| 12/09/2009 | CN101600812A High tensile steel products excellent in the resistance to delayed fracture and process for production of the same |
| 12/09/2009 | CN101598172A Eccentric shaft and manufacturing method thereof |
| 12/09/2009 | CN101597780A Preparation method of nickel-silver alloy steel strip for battery case |
| 12/09/2009 | CN101597724A Alloy structural steel and production method thereof |
| 12/09/2009 | CN101597723A Low inner stress and high strength and magnetic induction property steel and manufacturing method thereof |
| 12/09/2009 | CN101597677A Softening method for reducing hardness of seamless steel tube |
| 12/09/2009 | CN101597676A Method for solving differences between the center of larger-size 82B wire rod and the edging tissue thereof |
| 12/09/2009 | CN101597675A Heat treatment method of integral guide plate |
| 12/09/2009 | CN101597674A Continuous annealing method of DC01 steel plate with low yield and high tensile strength for automobiles |
| 12/09/2009 | CN101597673A Reduce production method of low-alloy high-strength thick steel plate |
| 12/09/2009 | CN100567550C Austenic stainless steel and method for manufacturing same |
| 12/09/2009 | CN100567549C Carbides-free bainite wear resistant steel plate and production process thereof |