Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
10/2012
10/10/2012CN102719626A Steel pipe and on-line quenching method thereof
10/10/2012CN102716905A Method for producing cold-rolled sheet for surface coating and plating base plate
10/10/2012CN102345054B 120mm low temperature pressure vessel 16MnDR steel thick plate and production method thereof
10/10/2012CN102242322B Improved 40CrNiMo steel and preparation method thereof
10/10/2012CN102230131B 38CrMoAl steel and preparation method thereof
10/10/2012CN102086494B High-chromium martensitic heat-resistant steel and manufacturing method thereof
10/10/2012CN102041457B Austenitic stainless steel
10/10/2012CN102021483B Cold-rolled dual-phase steel plate with 1,200 MPa-level tensile strength and preparation method thereof
10/10/2012CN101365812B Method for producing a cold-rolled steel strip with a ferritic structure
10/04/2012WO2012133911A1 Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same
10/04/2012WO2012133910A1 Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same
10/04/2012WO2012133879A1 Thick steel sheet having superior fatigue resistance properties in direction of sheet thickness, method for producing same, and fillet welded joint using said thick steel sheet
10/04/2012WO2012133872A1 Thick steel sheet having superior fatigue resistance properties in sheet thickness direction, method for producing same, and fillet welded joint using said thick steel sheet
10/04/2012WO2012133636A1 Bainite-containing high-strength hot-rolled steel plate with excellent isotropic workability and process for producing same
10/04/2012WO2012133563A1 Cold rolled steel sheet and production method therefor
10/04/2012WO2012133558A1 Electroseamed steel pipe and process for producing same
10/04/2012WO2012133540A1 Hot-rolled steel sheet and production method therefor
10/04/2012WO2012132992A1 High-strength austenitic stainless steel for high-pressure hydrogen gas
10/04/2012WO2012132821A1 Spring steel wire rod having excellent wire drawability and excellent fatigue characteristics after wire drawing, and spring steel wire having excellent fatigue characteristics and excellent spring formability
10/04/2012WO2012132786A1 Case hardening steel, method for producing same, and mechanical structural part using case hardening steel
10/04/2012WO2012132771A1 Bearing steel with excellent rolling fatigue characteristics, and bearing parts
10/04/2012WO2012087045A3 Low iron loss high strength non-oriented electromagnetic steel sheet and method for manufacturing same
10/04/2012WO2012087016A3 Grain-oriented electric steel sheet having superior magnetic property and method for manufacturing same
10/04/2012US20120247625 Low yield ratio, high strength and high uniform elongation steel plate and method for manufacturing the same
10/04/2012CA2831404A1 Hot-rolled steel sheet and production method thereof
10/04/2012CA2829753A1 Cold-rolled steel sheet and production method thereof
10/04/2012CA2827844A1 Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof
10/04/2012CA2824463A1 High-strength austenitic stainless steel for high-pressure hydrogen gas
10/03/2012EP2505683A1 Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same
10/03/2012EP2505682A1 Welded steel pipe for linepipe with superior compressive strength, and process for producing same
10/03/2012EP2505681A1 Welded steel pipe for linepipe with superior compressive strength and superior toughness, and process for producing same
10/03/2012CN102712983A Cold-rolled steel plate and method for producing same
10/03/2012CN102712982A Steel plate having excellent moldability and shape retention, and method for producing same
10/03/2012CN102712981A Cold-rolled steel plate and method for producing same
10/03/2012CN102712976A Steel material for thermal cutting using oxygen
10/03/2012CN102712972A High-strength steel plate and method for producing same
10/03/2012CN102712963A Method for producing hot-rolled high carbon steel sheet
10/03/2012CN102712962A Method for manufacturing automobile part having different local strengths using heat-treatment hardening steel plate
10/03/2012CN102712961A Manufacturing galvannealed sheets by heat-treating electrolytically finished sheets
10/03/2012CN102712171A High strength hot dip galvanised steel strip
10/03/2012CN102712080A Saw wire
10/03/2012CN102712025A Corrosion resistant metal products
10/03/2012CN102703837A Nano-structured lath martensite steel and preparation method thereof
10/03/2012CN102703831A Cu-contained and Cr-controlled seamless steel tube for nuclear power station and production method for Cu-contained and Cr-controlled seamless steel tube
10/03/2012CN102703830A Heavy wall steel pipes with excellent toughness at low temperature and sulfide stress corrosion cracking resistance
10/03/2012CN102703824A Non hardened and tempered state hot-rolled steel strip with yield strength higher than 900MPa and preparation method thereof
10/03/2012CN102703818A Material for overweight ring forging and manufacturing process for ring forging
10/03/2012CN102703815A 600 Mpa grade hot-rolling dual-phase steel and preparation method thereof
10/03/2012CN102703813A Vanadium and titanium compound microalloyed steel bar and production method thereof
10/03/2012CN102703812A Titanium microalloyed 500-MPa high-strength steel bar and production method thereof
10/03/2012CN102703811A Titanium micro-alloyed 400MPa grade high-strength steel bar and production method thereof
10/03/2012CN102703810A Automobile steel with low carbon equivalent and production method thereof
10/03/2012CN102703809A Hot-rolled steel and manufacturing method thereof
10/03/2012CN102703808A Steel for 300MPa-grade automobile structural part and production method for steel
10/03/2012CN102703805A Normalized ship plate steel and production method thereof
10/03/2012CN102703804A Production method of wire rod for high-strength prestressed steel bar
10/03/2012CN102703803A Globular pearlite type hot rolled coil and production method thereof
10/03/2012CN102703763A Multielement zinc-aluminum alloy wire and manufacturing method thereof
10/03/2012CN102703762A Ce-Nd-containing zinc-aluminum alloy wire and production method thereof
10/03/2012CN102703758A La-Nd-containing zinc-aluminum alloy wire and production method thereof
10/03/2012CN102703666A Low-carbon alloy steel spheroidizing method
10/03/2012CN102703665A Preparation method of nano-structure strip martensitic ultra-high-strength steel plate
10/03/2012CN102703664A Low-carbon steel spheroidizing method
10/03/2012CN102699628A Method for producing seamless steel pipe for hydrogen-sulfide corrosion resisting pipeline with diameter of 508mm
10/03/2012CN102699326A Process for manufacturing large, single and heavy tungsten plate
10/03/2012CN102699104A Preparation method of G20CrNiMo bearing steel pipe
10/03/2012CN102699031A 900 MPa grade ultrahigh-toughness low alloy steel and manufacture method thereof
10/03/2012CN102699029A Manufacturing method for easily pickled steel with low yield ratio by thin slab casting and rolling
10/03/2012CN102699022A Control method for limit specification steel roll hot rolling by single-stand steekle mill
10/03/2012CN102699021A Method for producing 3/4 hard 304 precise stainless steel belt
10/03/2012CN102699020A Production method of precise stainless steel belt for high-strength spring
10/03/2012CN102699019A Partially-etched precision stainless steel strip used in communication industry as well as production process and application thereof
10/03/2012CN102146547B Alloy steel roller and manufacturing process thereof
10/03/2012CN102134675B Non-oriented electrical steel for thin slab continuous casting-continuous rolling production and method thereof
10/03/2012CN102071299B Method for preparing high-performance nanocrystalline spring steel sheet
10/03/2012CN102061426B 400-420mm large-thickness low-alloy high-strength constructional steel and production method thereof
10/03/2012CN102061424B Super-thick Q390GJC-Z35 steel plate for high-rise buildings and production method thereof
10/03/2012CN102061369B Method for preparing chloride ion corrosion resistant quake-proof bar
10/03/2012CN102041438B Low-alloy high-strength structural-steel extra-thick board Q460C and production method thereof
10/03/2012CN102021295B Cold-rolling steel belt for flux-cored wire and manufacture method thereof
10/03/2012CN101959626B Cooling system and cooling method of rolling steel
10/03/2012CN101883871B A method of producing a painted steel sheet product of high strength
10/03/2012CN101528970B Method for manufacturing flat steel products from a multiphase steel microalloyed with boron
10/03/2012CN101512033B Fire-resistant steel excellent in high-temperature strength, toughness and reheat embrittlement resistance and process for production of the same
10/02/2012CA2680040C Process for producing bend pipe for line pipe and bend pipe for line pipe
09/2012
09/27/2012WO2012128258A1 Austenite system alloy pipe and manufacturing method thereof
09/27/2012WO2012128228A1 Hot-rolled steel sheet and process for producing same
09/27/2012WO2012128206A1 Hot-rolled steel sheet exhibiting exceptional press-molding properties and method for manufacturing same
09/27/2012WO2012127125A1 Hot-rolled steel sheet and associated production method
09/27/2012WO2012091411A9 High-strength steel sheet having superior toughness at cryogenic temperatures, and method for manufacturing same
09/27/2012US20120241057 Low yield ratio, high strength and high toughness steel plate and method for manufacturing the same
09/27/2012US20120241052 Ferritic stainless steel and method of manufacturing the same
09/27/2012DE102008027460B4 Verfahren zum Herstellen eines Stahlblechbauteils mit Bereichen unterschiedlicher Duktilität A method for manufacturing a steel sheet member having regions of different ductility
09/26/2012EP2503012A1 Precipitation hardened heat-resistant steel
09/26/2012CN202450120U Integrated solution treatment device of flange six-ton die forging production line
09/26/2012CN102695529A Endoprosthesis containing multi-phase ferrous steel
09/26/2012CN102691018A Low-compression ratio super-strength steel plate for ocean engineering and manufacturing method thereof
09/26/2012CN102691017A Low-cost wear resistant steel plate with hardness of NM550 and manufacturing method thereof
09/26/2012CN102691016A Precipitation hardened heat-resistant steel
09/26/2012CN102691007A High tempering parameter PWHT embrittlement resistant, extra thick cryogenic steel plate and manufacture method thereof
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