Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
10/2012
10/24/2012CN102747287A High-temperature resistant pipe suitable for delayed coking process and producing method of high-temperature resistant pipe
10/24/2012CN102747285A Ultrathick steel plate for ships and ocean platforms and production method thereof
10/24/2012CN102747284A High-strength high-tenacity steel for ship structure
10/24/2012CN102747283A Method for producing steel strip for copper-plated precision welded pipe
10/24/2012CN102747282A High-hardness high-tenacity wear-resistant steel plate and production method thereof
10/24/2012CN102747281A Batch annealing interstitial-free (IF) steel and production method thereof
10/24/2012CN102747280A Wear resistant steel plate with high intensity and high toughness and production method thereof
10/24/2012CN102747278A Manufacturing method of steel plate for pressure vessel
10/24/2012CN102747277A Method for producing Q345 heat rolling plate rolls with excellent performance by low silicon low manganese
10/24/2012CN102747276A Transformation induced plasticity steel and preparation method thereof
10/24/2012CN102747275A Cold-rolled dual-phase steel with high strain-strengthening performance and method for producing same
10/24/2012CN102747274A Vanadium-boron microalloyed waste heat treatment reinforced bar steel and production technique thereof
10/24/2012CN102747273A High-manganese non-magnetic steel containing niobium and preparation method thereof
10/24/2012CN102747272A B-P-T steel tube and preparation method thereof
10/24/2012CN102747271A Q345 hot rolled plate coil and producing method thereof
10/24/2012CN102747270A Process for preparing extra-deep drawing interstitial-free (IF) steel {111}(110) textures
10/24/2012CN102747210A Stelmor controlled cooling method for 55SiCrA spring steel wire rod
10/24/2012CN102744254A Production method of hot-rolling austenitic stainless steel strip steel
10/24/2012CN102321852B Nanostructure carbide-free bainite medium-carbon alloy steel and preparation method
10/24/2012CN102056686B Process for producing high-alloy seamless pipe
10/23/2012US8293038 Deep drawability, punch stretchability and ridging resistance; reduced amounts of C, N, Si, Mn, P and Ti for high workability; no defects such as ridging and roping
10/23/2012US8293037 Method for producing duplex stainless steel pipe
10/18/2012WO2012141297A1 Hot-rolled steel for gaseous nitrocarburizing and manufacturing method thereof
10/18/2012WO2012141290A1 Hot-rolled steel sheet and manufacturing method thereof
10/18/2012WO2012141220A1 High-strength steel plate and high-strength steel pipe having excellent deformability and low-temperature toughness, and manufacturing methods therefor
10/18/2012WO2012141206A1 High-strength non-oriented magnetic steel sheet
10/18/2012WO2012140550A1 Alloy, magnet core and process for producing a strip made of an alloy
10/18/2012WO2012140104A1 Deep-rolling tool device for deep-rolling especially blade elements of a rotor portion of a jet engine
10/18/2012WO2012139770A1 Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product
10/18/2012WO2012139769A1 Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product
10/18/2012US20120263943 Post-heat-treatable substrate with thermochromic film
10/18/2012DE102011007590A1 Bending by drawing through a die, comprises forming material by passing through forming tool, where material before forming is regionally heated and after forming is regionally cooled such that material properties are regionally adjusted
10/18/2012CA2832890A1 Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof
10/18/2012CA2831551A1 Hot-rolled steel sheet and method of producing the same
10/17/2012EP2510128A1 Device for autofrettage
10/17/2012CN102741445A Highly corrosion-resistant cold-rolled ferrite stainless steel sheet having excellent toughness, and process for production thereof
10/17/2012CN102741443A High-strength welded steel pipe and method for producing the same
10/17/2012CN102741442A High-strength steel plate with excellent warm workability
10/17/2012CN102741441A Steel wire with excellent cold forging characteristics and manufacturing process thereof
10/17/2012CN102735529A Testing method realizing integration of hot-working simulation and performance test
10/17/2012CN102732804A Bainite steel frog and manufacture method thereof by three-stage cooling after rolling
10/17/2012CN102732799A Acid corrosion resistant steel for soleplate in hull and production method thereof
10/17/2012CN102732797A 800MPa grade low welding crack sensitivity steel plate and its manufacturing method
10/17/2012CN102732794A Hot-rolled pickled plate for Cr-containing automobile structure and production method thereof
10/17/2012CN102732792A Steel with thickness no lower than 100mm used in vessel in hydrogen environment, and production method thereof
10/17/2012CN102732790A Ultra low carbon bainite steel plate and its manufacturing method
10/17/2012CN102732786A Economical-type 540MPa-grade ferrite bainite hot-rolled dual-phase steel and production method thereof
10/17/2012CN102732784A 590L automobile crossbeam steel and CSP preparation method thereof
10/17/2012CN102732783A H2S corrosion-resistant steel and preparation method thereof
10/17/2012CN102732781A Offshore platform steel with CTOD being greater than or equal to 2 millimeters at minus 40 DEG C and production method thereof
10/17/2012CN102732780A Hot galvanized plate used for refrigerator outer plate, and production method thereof
10/17/2012CN102732778A 340MPa-grade high-strength cold-rolled steel plate used for deep-drawing, and production method thereof
10/17/2012CN102728652A Manufacturing method of dual-metal seamless steel pipe with outer-layer low-carbon steel and inner-layer bearing steel
10/17/2012CN102230127B Production method of hot-rolled steel plate made of niobium (Nb)-containing steel
10/17/2012CN102127696B Method for producing hot rolled steel coils for ship building
10/17/2012CN101962730B High-toughness twinning induced plasticity (TWIP) nodular cast iron alloy and preparation method thereof
10/17/2012CN101802230B A strip of steel having a variable thickness in length direction
10/17/2012CN101289925B Heat insulated tubing machining process
10/17/2012CN101213318B Method and apparatus for growing single-crystal metals
10/11/2012WO2012136897A1 Method for producing a steel product from steel billet, a steel product and a microstructure of a steel
10/11/2012WO2012136270A1 A steel sheet suitable for enamelling and method for producing such a sheet
10/11/2012US20120255655 Methods for manufacturing a clip and clip
10/11/2012US20120255654 Dual phase steel sheet and method of manufacturing the same
10/11/2012CA2832357A1 A steel sheet suitable for enamelling and method for producing such a sheet
10/10/2012EP2508866A1 Method for determination of brittle crack propagation stopping performance in high-intensity thick steel plate
10/10/2012EP2508641A1 Steel sheet for cans and method for producing same
10/10/2012EP2508638A1 Ingot for bearing, and process for producing bearing steel
10/10/2012EP2508629A1 Method for manufacturing non-oriented silicon steel with high-magnetic induction
10/10/2012EP2507399A1 Hot rolling mill and method for hot rolling a metal strip or sheet
10/10/2012EP2489748A9 Hot-rolled steel surface product produced from a complex phase steel and method for the manufacture
10/10/2012CN202482373U Multi-level focusing mirror nicking device
10/10/2012CN102725428A Production method for seamless steel pipe used in line pipe, and seamless steel pipe used in line pipe
10/10/2012CN102723158A Rear earth-contained high-permeability Ni-Fe soft magnetic alloy, preparation method and purposes thereof
10/10/2012CN102723148A Copper-clad steel stranded wire and production process thereof
10/10/2012CN102719785A Production technology of preprocessing copper-clad steel wire matrix
10/10/2012CN102719757A Nickel-free high-toughness 80kg-grade high-strength steel and manufacturing method thereof
10/10/2012CN102719754A Hot-rolled deep-punched pickled plate for automobile structures and production method thereof
10/10/2012CN102719753A Low-yield-ratio high-strength steel plate and manufacturing method thereof
10/10/2012CN102719752A Seamless steel pipe with excellent hydrogen sulfide stress corrosion resistance and manufacture method thereof
10/10/2012CN102719747A Sulfate reducing bacteria corrosion-resistant oil well pipe and production method thereof
10/10/2012CN102719745A High-strength low-temperature steel with high hydrogen induced cracking (HIC) and sulfide stress corrosion cracking (SSC) resistance and manufacturing method thereof
10/10/2012CN102719744A Steel for low-temperature structures and manufacture method of steel
10/10/2012CN102719743A Hot-rolled coil plate for oil casing and manufacturing method thereof
10/10/2012CN102719741A Hot-galvanized high-strength steel with 220MPa-level yield strength and production method thereof
10/10/2012CN102719740A Method for producing ultra-low carbon high-strength cold rolling sheet
10/10/2012CN102719739A Steel plate for wind power tower in low temperature and manufacturing method thereof
10/10/2012CN102719738A Hard tinned original plate with thin specification and manufacture method thereof
10/10/2012CN102719737A High-toughness normalizing steel plate with 460MPa yield strength and manufacturing method thereof
10/10/2012CN102719733A Manufacturing method for high-nickel steel
10/10/2012CN102719732A Hot-rolled high-strength dual phase steel plate and manufacturing method thereof
10/10/2012CN102719730A Manufacturing method of high strength bluing strapping steel
10/10/2012CN102719729A Automotive low-carbon aluminum-killed steel sheet and production method thereof
10/10/2012CN102719694A CuCrZr alloy material, preparation method thereof and method for preparing strips with same
10/10/2012CN102719648A Thermal treatment method and device for metal sheets
10/10/2012CN102719642A Production process of high-strength high-toughness GH2132 rod/wire material
10/10/2012CN102719641A Method for reducing symmetrical open-grained structures of edges of low-carbon cold heading steel wire rods
10/10/2012CN102719640A Production method of stainless steel band used for internal round diamond blade
10/10/2012CN102719639A Method for producing stainless steel strip with high hardness
10/10/2012CN102719638A Manufacturing method for sealing head of high strength austenite nickel iron chrome alloy
10/10/2012CN102719634A Integrated temperature-control cooling equipment and cooling method thereof
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