| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 01/03/2014 | WO2014002288A1 Steel sheet for soft nitriding and process for producing same |
| 01/03/2014 | WO2014002287A1 Steel sheet for soft nitriding and process for producing same |
| 01/03/2014 | WO2014001336A1 Method for press hardening steel |
| 01/03/2014 | CA2877610A1 High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges, and method for producing same |
| 01/02/2014 | US20140004378 Steel sheet for hot stamped member and method of production of same |
| 01/02/2014 | US20140000769 Hot rolled steel sheet and method of producing same |
| 01/02/2014 | US20140000767 Steel wire rod and method of producing same |
| 01/02/2014 | US20140000766 Hot-rolled steel sheet with excellent press formability and production method thereof |
| 01/02/2014 | US20140000765 Cold-rolled steel sheet and production method thereof |
| 01/01/2014 | EP2679699A2 High strength cold-rolled steel sheet and automobile components of steel having excellent properties in coating film adhesion, workability, and hydrogen embrittlement resistivity |
| 01/01/2014 | EP2679695A1 Non-oriented electromagnetic steel sheet and method for manufacturing same |
| 01/01/2014 | EP2679692A1 Method for manufacturing a press hardened formed component made of sheet steel |
| 01/01/2014 | CN203373399U Fixture for thermally treating cast steel brake disc |
| 01/01/2014 | CN103492602A Fe-based metal plate and method for manufacturing same |
| 01/01/2014 | CN103492099A Fabrication method for stepped forged material |
| 01/01/2014 | CN103484805A Titanium Sheet and manufacturing method thereof |
| 01/01/2014 | CN103484789A Steel bar for high-ductility and superhigh-strength pre-stressed concrete and machining method thereof |
| 01/01/2014 | CN103484785A High-strength alloy containing rare-earth elements and preparation method thereof |
| 01/01/2014 | CN103484782A Method for manufacturing large-aperture high-strength gathering and transportation seamless steel tube for environment with high content of hydrogen sulfide |
| 01/01/2014 | CN103484781A High-strength and high-toughness spring steel and manufacturing method thereof |
| 01/01/2014 | CN103484780A High-strength hot-rolled reinforcement bar of 830 MPa level, and production technology thereof |
| 01/01/2014 | CN103484771A High-aluminum low-density medium-thickness steel plate for ocean platform and preparation method thereof |
| 01/01/2014 | CN103484769A Method for improving performance of steel plate by adjusting manganese titanium boron content |
| 01/01/2014 | CN103484768A High-strength engineering steel plate with length of larger than or equal to 30 m and production method |
| 01/01/2014 | CN103484766A Hardened and tempered high-strength and low-weld crack sensitivity steel plate for 600MPa-level water-power engineering and preparing method thereof |
| 01/01/2014 | CN103484765A Thick low-temperature-resistant H-shaped steel for support of railway overhead contact system and preparing method thereof |
| 01/01/2014 | CN103484764A Ti precipitation strengthening type ultra-high-strength hot rolling thin plate and production method thereof |
| 01/01/2014 | CN103484761A Steel plate for tubular pile 40-60mm thick and production method thereof |
| 01/01/2014 | CN103484739A Al-Cu-Mg-Mn series high-strength heat-resistant aluminum alloy section and manufacture method thereof |
| 01/01/2014 | CN103484734A High-elongation-percentage aluminum alloy section and manufacturing method thereof |
| 01/01/2014 | CN103484726A Production technique of high-niobium high-temperature-resistant aluminum alloy plate |
| 01/01/2014 | CN103484712A Bismuth brass alloy drawn pipe containing trace rare earth and manufacture method thereof |
| 01/01/2014 | CN103484643A Method for preventing hot rolling edge fractures in oriented silicon steel |
| 01/01/2014 | CN103484642A Method for researching influence of tubulation deformation on hydrogen induced cracking (HIC) performances of pipeline steel |
| 01/01/2014 | CN103484641A Pipeline steel cooling process control method |
| 01/01/2014 | CN103484640A Heat treatment method of steel bars |
| 01/01/2014 | CN103484639A Production technology of cold-rolled hard stainless steel bands |
| 01/01/2014 | CN103484638A Heat treatment method for improving flaw detection sensitivity of 2Cr11Mo1VNbN stainless steel |
| 01/01/2014 | CN103484637A Heat-treatment workpiece correction treatment method |
| 01/01/2014 | CN103484636A Production process of forged tee |
| 01/01/2014 | CN103480745A Hole punching device for side surface of terminal box |
| 01/01/2014 | CN103480742A Pipe clamp blanking-punching compound die |
| 01/01/2014 | CN103480718A Cooling fin profiling die |
| 01/01/2014 | CN102634701B Production method of high-magnesium aluminum alloy sheet for ship |
| 01/01/2014 | CN102560235B Manufacturing method of high-magnetic-inductive oriented silicon steel |
| 12/31/2013 | CA2756409C Steel plate for line pipe excellent in strength and ductility and method of production of same |
| 12/27/2013 | WO2013191208A1 Duplex stainless steel |
| 12/27/2013 | WO2013191202A1 Austenitic alloy tube |
| 12/27/2013 | WO2013191131A1 Steel for oil well pipe, and method for producing same |
| 12/27/2013 | WO2013190750A1 Thick, high-strength, sour-resistant line pipe and method for producing same |
| 12/27/2013 | WO2013189597A1 Method and device for producing a press-hardened metal component |
| 12/27/2013 | WO2013189474A1 High-strength multiphase steel and method for producing a strip made from this steel with a minimum tensile strength of 580 mpa |
| 12/27/2013 | CA2876847A1 Austenitic alloy tube |
| 12/27/2013 | CA2875644A1 Duplex stainless steel |
| 12/26/2013 | US20130340899 Steel sheet for hot stamping use, method of production of same, and method of production of high strength part |
| 12/26/2013 | US20130340898 High-strength cold-rolled steel sheet with high yield ratio having excellent formability and method for producing the same |
| 12/25/2013 | EP2677010A2 Paint composition for pre-coated steel plate and a curing method for pre-coated steel plate using same |
| 12/25/2013 | EP2675928A1 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/25/2013 | EP2675927A1 Method for producing a grain-oriented flat steel product |
| 12/25/2013 | EP2309014B1 Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor |
| 12/25/2013 | EP2014378B1 Process for producing stainless-steel pipe |
| 12/25/2013 | CN203360518U Double-barrelled continuous annealing furnace for wiredrawing production of titanium alloy |
| 12/25/2013 | CN103476960A Cold rolled steel sheet and production method therefor |
| 12/25/2013 | CN103476959A High-strength austenitic stainless steel for high-pressure hydrogen gas |
| 12/25/2013 | CN103476955A A steel sheet suitable for enamelling and method for producing such a sheet |
| 12/25/2013 | CN103476954A Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product |
| 12/25/2013 | CN103469117A Hot-rolled ribbed steel bar having strength-to-yield ratio of 1.25 or more, and production method thereof |
| 12/25/2013 | CN103469114A High-toughness stainless steel material used for water pump shell, and preparation method thereof |
| 12/25/2013 | CN103469112A High-formability cold rolling bi-phase strip steel and manufacture method thereof |
| 12/25/2013 | CN103469107A A517Gr.B large pressure steel plate with low cost and high toughness and production method thereof |
| 12/25/2013 | CN103469106A Large-thickness rack steel plate directly produced by continuous casting billet and manufacturing method of large-thickness rack steel plate |
| 12/25/2013 | CN103469102A Steel HG785D for tower crane and production method |
| 12/25/2013 | CN103469101A Corrosion-resistant steel for high-Nb crude oil cargo ship cabin base plate |
| 12/25/2013 | CN103469099A Production method of low-alloy and high-strength thick plates |
| 12/25/2013 | CN103469098A X80 pipeline steel with good HIC (hydrogen induced crack) resistance and production method thereof |
| 12/25/2013 | CN103469097A High-strength martensite ferrite two-phase stainless steel anti-corrosion oil casing pipe and manufacturing method thereof |
| 12/25/2013 | CN103469094A Chloride ion corrosion resistant pipeline steel and preparation method thereof |
| 12/25/2013 | CN103469092A Production method for main shaft of fan by using 34CrNiMo6 steel as raw material |
| 12/25/2013 | CN103469090A Annealing method of ultrahigh-strength hot-forming steel |
| 12/25/2013 | CN103469089A Cake-shaped crystal grain deep-draw double-phase steel plate and preparation method thereof |
| 12/25/2013 | CN103469086A High-strength and high-toughness thick steel plate and production process thereof |
| 12/25/2013 | CN103469084A High-tenacity high-wear-resistance high-speed steel, processing technology thereof and cutter manufactured by using technology |
| 12/25/2013 | CN103469082A Method for producing refractory steel |
| 12/25/2013 | CN103469081A Rare earth (RE)-containing BT90H steel grade casing for heavy oil thermal recovery wells and rolling method |
| 12/25/2013 | CN103469080A 80ksi steel grade oil well pipe and manufacturing method thereof |
| 12/25/2013 | CN103469078A Rolled steel wire used on 70 kg-grade round-link chain and preparation method of rolled steel wire |
| 12/25/2013 | CN103469077A High silicon rolling steel plate and manufacturing technology thereof |
| 12/25/2013 | CN103469075A Super deep-drawing cold-rolled enamel steel produced by ASP diplex process and manufacturing method thereof |
| 12/25/2013 | CN103469074A Q345 Z-direction extra-thick low-alloy high-strength structure steel plate and production method thereof |
| 12/25/2013 | CN103469073A High-performance seamless deformed steel and preparation process thereof |
| 12/25/2013 | CN103469072A Straight welded oil casing pipe and manufacturing method thereof |
| 12/25/2013 | CN103469071A Steel for single-sided electrogalvanizing automobile fuel tanks and production method thereof |
| 12/25/2013 | CN103469070A Steel for straight welded oil casing pipes and production method thereof |
| 12/25/2013 | CN103469069A Austenite low-permeability steel with lower yield strength not less than 810MPa and production method |
| 12/25/2013 | CN103469068A Ferrite bainitic steel with tensile strength of 540MPa and high pore broadening performance and production method thereof |
| 12/25/2013 | CN103469066A Method for producing high-formability steel plate by using heavy and medium plate mill and steel plate manufactured by method |
| 12/25/2013 | CN103469065A 340MPa-grade HSLA vehicle structural steel and production method thereof |
| 12/25/2013 | CN103469064A High-strength anti-seismic HRB400E reinforcement bar and preparation method thereof |
| 12/25/2013 | CN103469063A Method for producing hot galvanized roasted hardened steel plate |
| 12/25/2013 | CN103469062A Isotropic cold-rolled soft tinned plate and production method thereof |