| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 12/25/2013 | CN103469061A Ultra-low carbon steel wire rod for electric conduction and production method thereof |
| 12/25/2013 | CN103469060A Cold-rolled steel plate for stamping household appliances and manufacturing method thereof |
| 12/25/2013 | CN103469059A Hot rolled steel plate for automobile structure and production method thereof |
| 12/25/2013 | CN103469058A Ferrite bainitic steel with 450MPa-grade tensile strength and high broaching performance and production method thereof |
| 12/25/2013 | CN103469057A Steel for automobile wheel and production method of steel |
| 12/25/2013 | CN103469056A High-tensile-to-yield-ratio common hot rolled steel plate and making method thereof |
| 12/25/2013 | CN103469033A Vehicle body aluminum alloy section bar and making method thereof |
| 12/25/2013 | CN103469032A Production technology of automobile aluminum alloy sheet |
| 12/25/2013 | CN103469029A Production technology of aluminum alloy sheet for high-speed train compartment |
| 12/25/2013 | CN103469020A Low-expansion aluminum alloy section material and preparation method thereof |
| 12/25/2013 | CN103469015A Production technology of battery cover aluminum alloy sheet |
| 12/25/2013 | CN103468911A Production process of austenite stainless steel belt |
| 12/25/2013 | CN103468910A Production process for safety buffering beam assembly of passenger car |
| 12/25/2013 | CN103468909A Method adopting controlled rolling and cooling process to prepare high-carbon-steel high-speed wire rod |
| 12/25/2013 | CN103468908A Production method for high-yield ratio ultra-fine grain MR steel ultrathin plate |
| 12/25/2013 | CN103468907A Method for producing cold-rolled non-oriented electrical steel based on ASP (AnGang Strip Production) medium thin slab continuous casting and rolling process |
| 12/25/2013 | CN103468906A Process for preparing 2000 MPa nano-scale bainitic steel through low temperature rolling |
| 12/25/2013 | CN103468905A 485MPa grade pipeline steel hot-rolled coil plate and manufacturing method thereof |
| 12/25/2013 | CN103468904A Control method of network carbide of GCr15 bearing steel wire rod |
| 12/25/2013 | CN103468903A Method for improving low-temperature impact toughness of high-strength steel |
| 12/25/2013 | CN103468902A Method for improving through-thickness characteristics of thickness-specification high-strength steel |
| 12/25/2013 | CN103468901A Anti-crack device and process for bearing conical rolling body |
| 12/25/2013 | CN103468900A Four-column pressing furnace |
| 12/25/2013 | CN103468889A After-forged heat treatment technique of 9Cr2MoV chilled roll steel |
| 12/25/2013 | CN103468887A Heat treatment method of alloy steel after forging |
| 12/25/2013 | CN103468872A Low-compression-ratio extremely thick vessel plate production process |
| 12/25/2013 | CN103468858A Preparation method for 40Cr steel through adopting molten iron and scrap steel |
| 12/25/2013 | CN103468852A Production process for special 60 Si2Mn spring steel hot-rolled wire rod for railroad fasteners |
| 12/25/2013 | CN103464614A Die set special for producing junction box |
| 12/25/2013 | CN103464612A Junction box upper-surface burring die |
| 12/25/2013 | CN103464611A Thermal insulation cover forming die |
| 12/25/2013 | CN103464557A Self-elevating drilling platform spud leg semi-circular plate pressing method |
| 12/25/2013 | CN103464507A Production method for high-precision austenite seamless steel pipe |
| 12/25/2013 | CN102876940B Manufacturing method of aluminum alloy thin plate with stable performance |
| 12/25/2013 | CN102876939B Manufacturing method of aluminum magnesium alloy |
| 12/25/2013 | CN102758133B 1000MPa-level automobile steel with high product of strength and elongation and manufacturing method thereof |
| 12/25/2013 | CN102747275B Cold-rolled dual-phase steel with high strain-strengthening performance and method for producing same |
| 12/25/2013 | CN102732780B Hot galvanized plate used for refrigerator outer plate, and production method thereof |
| 12/25/2013 | CN102703812B Titanium microalloyed 500-MPa high-strength steel bar and production method thereof |
| 12/25/2013 | CN102650018B Seawater corrosion-resistant steel plate and method for producing same |
| 12/25/2013 | CN102644025B High-strength and high-toughness steel plate and preparation method thereof |
| 12/25/2013 | CN102605283B Low-cost, high-toughness and low-temperature pressure vessel steel and manufacturing method thereof |
| 12/25/2013 | CN102605253B Low-cost, high-strength and high-toughness steel plate and production technology thereof |
| 12/25/2013 | CN102605243B Wind power H-beams and production method thereof |
| 12/25/2013 | CN102605238B 50kg grade normalized steel plate with good SR (stress relieving annealing) resistance characteristic and manufacturing method thereof |
| 12/25/2013 | CN102560256B Fire-resistant weather-resistant steel with excellent low temperature toughness and preparation method for fire-resistant weather-resistant steel |
| 12/25/2013 | CN102199699B Method for producing motor vehicle component, and body component |
| 12/24/2013 | US8613819 Method for producing quenched components consisting of sheet steel |
| 12/24/2013 | US8613818 Processing routes for titanium and titanium alloys |
| 12/24/2013 | DE102012016075A1 Verfahren und Vorrichtung zur Herstellung eines Metallbauteils Method and apparatus for producing a metal member |
| 12/24/2013 | DE102012012518A1 Warmumformwerkzeug zur Herstellung von Formteilen Hot forming tool for producing molded parts |
| 12/19/2013 | WO2013187470A1 Rail |
| 12/18/2013 | EP2397570B1 Steel plate for line pipes with excellent strength and ductility and process for production of same |
| 12/18/2013 | EP1888802B1 Method for solid state growing of single-crystal metals |
| 12/18/2013 | EP1770183B1 Method of producing members using a weldable steel of high strenght and high toughness. |
| 12/18/2013 | CN103459648A Hot-rolled steel sheet and manufacturing method thereof |
| 12/18/2013 | CN103459647A Hot-rolled steel sheet and production method therefor |
| 12/18/2013 | CN103459642A Bearing steel with excellent rolling fatigue characteristics, and bearing parts |
| 12/18/2013 | CN103459640A 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 |
| 12/18/2013 | CN103459637A 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 |
| 12/18/2013 | CN103459635A Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same |
| 12/18/2013 | CN103459634A Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same |
| 12/18/2013 | CN103459633A 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 |
| 12/18/2013 | CN103459618A Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/18/2013 | CN103451564A Processing method of high-strength wear-resistant bucket lip of large excavator |
| 12/18/2013 | CN103451562A Quenched large-thickness easy-to-weld Z-direction high-strength steel plate for water and electricity and production method thereof |
| 12/18/2013 | CN103451561A Weather-resistant steel plate capable of performing high heat input welding and production method thereof |
| 12/18/2013 | CN103451560A Steel grade and manufacturing method of X100 steel grade seamless leg pipe for jack-up drilling platform |
| 12/18/2013 | CN103451559A Gas valve alloy material and manufacturing method thereof |
| 12/18/2013 | CN103451556A Special rare-earth processed bainite-martensite steel for railway steel rails and manufacturing method of steel |
| 12/18/2013 | CN103451553A Reinforced bar used in ultra-low temperature environments and preparation method thereof |
| 12/18/2013 | CN103451540A Ultralow-carbon bainite steel plate and preparation method thereof |
| 12/18/2013 | CN103451537A High-weldability low-temperature weather-resistant steel plate and production method thereof |
| 12/18/2013 | CN103451536A Low-cost thick subsea pipeline steel plate and manufacturing method of low-cost thick subsea pipeline steel plate |
| 12/18/2013 | CN103451534A 60mm steel plate with excellent performance in thickness direction for ocean platform and production method thereof |
| 12/18/2013 | CN103451533A Hot-rolled magnetic yoke steel with yield strength not less than 800Mpa and production method thereof |
| 12/18/2013 | CN103451532A Hot-rolled magnetic yoke steel with yield strength not less than 750Mpa and production method thereof |
| 12/18/2013 | CN103451531A 440MPa of precipitation strengthening-type cold rolled interstitial free (IF) steel containing niobium and production method thereof |
| 12/18/2013 | CN103451526A 6-8mm high-strength structural steel plate and manufacture method thereof |
| 12/18/2013 | CN103451524A Lacquer-coated strapping steel having thickness of 0.5 mm and tensile strength of greater than or equal to 1000 MPa, and production method thereof |
| 12/18/2013 | CN103451523A Niobium-containing high-strength fine-grain 700MPa-level hot-rolled dual-phase steel and production method thereof |
| 12/18/2013 | CN103451518A H-section steel with high impact energy absorption value and processing method thereof |
| 12/18/2013 | CN103451517A Steel flat for high-performance farm tools and working tools and processing method of steel flat |
| 12/18/2013 | CN103451516A HRB500 reinforcing steel bar and preparation method thereof |
| 12/18/2013 | CN103451481A Production process of aluminum alloy section |
| 12/18/2013 | CN103451407A Bracket, device and method for batched heat treatment of steel bars |
| 12/18/2013 | CN103451400A Rolling process of hot rolled electrical steel |
| 12/18/2013 | CN103451399A Annealing process for producing cold rolling non-oriented electrical steel |
| 12/18/2013 | CN103451398A Manufacture method of 50CrVA alloy structural steel type hot rolled round steel bar |
| 12/18/2013 | CN103451397A Carbon steel annealing process |
| 12/18/2013 | CN103451396A Processing method for preventing decarbonization of high-carbon steel billet |
| 12/18/2013 | CN103451395A Preparation process of chromium alloyed high-magnetic strength and low-iron loss oriented silicon steel |
| 12/18/2013 | CN103451394A Heat treatment method for 30Cr13 bloomed die slabs |
| 12/18/2013 | CN103451391A Quenching device utilizing forging residual heat |
| 12/18/2013 | CN103447737A Support structure for welding |
| 12/18/2013 | CN103447348A Manufacturing method of stainless steel wire |
| 12/18/2013 | CN103447314A Rough rolling temperature-measuring feedback control method |
| 12/18/2013 | CN103447295A Manufacturing method of hot rolled steel plate with low alloy structural steel |
| 12/18/2013 | CN102888576B Thermo-mechanical treatment method for improving toughness of 2618 heat-resistant aluminum alloy |
| 12/18/2013 | CN102796962B Niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production thereof |