| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 06/19/2013 | CN103160753A Zr-containing sulphuric acid dew point corrosion resistant steel plate and manufacturing method thereof |
| 06/19/2013 | CN103160752A High strength seamless steel pipe with excellent low temperature toughness and manufacturing method thereof |
| 06/19/2013 | CN103160751A A bulb steel with a yield strength of 590MPa grade and a production method thereof |
| 06/19/2013 | CN103160750A Homogenizing guide roller for rods/wires and processing technique thereof |
| 06/19/2013 | CN103160746A High strength steel for thick wall water pipe and manufacturing method thereof |
| 06/19/2013 | CN103160744A Process for producing pipeline steel plate with uniform performance and excellent toughness |
| 06/19/2013 | CN103160742A Wear-resistant steel plate and manufacturing method thereof |
| 06/19/2013 | CN103160740A Steel 18MnMoNbR for pressure vessel and process for producing 18MnMoNbR steel plate with thickness of 100mm |
| 06/19/2013 | CN103160739A Continuously cast 80mm-thick bridge steel Q420qE and preparation process thereof |
| 06/19/2013 | CN103160738A Low-cost boron-containing steel and manufacturing method thereof |
| 06/19/2013 | CN103160735A Ultrahigh strength cold-rolled steel sheet for automobile and production method thereof |
| 06/19/2013 | CN103160734A Super-thick steel P460NL1 (L2) plate for pressure vessel and method for producing same |
| 06/19/2013 | CN103160731A Hot drawing high-silicon steel wire and production method thereof |
| 06/19/2013 | CN103160729A Medium-carbon microalloyed steel for engineering machinery caterpillar chain piece and production process thereof |
| 06/19/2013 | CN103160728A High-yield-strength S890QL structural steel medium plate and production method thereof |
| 06/19/2013 | CN103160680A Q-and-PB (quenching and partitioning in bainite zone) heat treatment process for preparing 30 GPa%-grade complex-phase steel |
| 06/19/2013 | CN103160668A Device for online thermal deformation treatment of steel wire |
| 06/19/2013 | CN103160667A High-strength intermediate-carbon ultrafine bainitic steel and preparation method thereof |
| 06/19/2013 | CN103160666A Method for manufacturing of low-cost super-thick steel plate by short process |
| 06/19/2013 | CN103160665A Manufacturing method of steel forging for shale gas acquisition pressure equipment mud pump cylinder |
| 06/19/2013 | CN103160657A Plant and method for hot forming blanks |
| 06/19/2013 | CN103157956A Processing method of nickel-titanium memorial alloy tube with thin diameter and thick wall |
| 06/19/2013 | CN103157654A Rolling manufacturing technique of semi-circle plate for oil drilling platform spud legs |
| 06/19/2013 | CN102443734B Non-oriented electrical steel plate without corrugated defect and its manufacturing method |
| 06/19/2013 | CN102418034B Production method for high-grade non-oriented silicon steel |
| 06/19/2013 | CN102409240B Hydrogen sulfide corrosion-resistant steel for petroleum drill rod and manufacturing method for hydrogen sulfide corrosion-resistant steel |
| 06/19/2013 | CN102392193B Extra thick quenched and tempered steel plate for ocean platform tooth bar and production method thereof |
| 06/19/2013 | CN102367560B High-strength corrosion-resisting straight welded pipe steel and manufacture method thereof |
| 06/19/2013 | CN102363869B Manufacturing method of free-cutting ferritic stainless steel 430FM |
| 06/19/2013 | CN102345066B Steel used for pressure container and preparation method thereof |
| 06/19/2013 | CN102304662B Production method of low carbon deep drawing cold rolled steel sheet |
| 06/19/2013 | CN102162069B Flying-shear main-transmission gearwheel steel and preparation method thereof |
| 06/19/2013 | CN102021482B Cold-rolled galvanized duplex steel and manufacturing method thereof |
| 06/19/2013 | CN102011064B Application of steel for X80 grade low-temperature pipe fitting |
| 06/19/2013 | CN101578381B Processes for production of steel sheets for cans |
| 06/19/2013 | CN101506402B Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced |
| 06/18/2013 | US8465604 Ferritic stainless steel sheet having excellent corrosion resistance and method of manufacturing the same |
| 06/13/2013 | WO2013084265A1 Steel for mechanical structures and manufacturing method therefor |
| 06/13/2013 | US20130146187 Method of producing non-oriented electrical steel sheet |
| 06/13/2013 | US20130146181 Steel for carburizing, carburized steel component, and method of producing the same |
| 06/13/2013 | US20130146180 Steel for carburizing, carburized steel component, and method of producing the same |
| 06/13/2013 | DE102012210976A1 Heißprägeform und Herstellungsverfahren derselben Hot stamping die and production method thereof |
| 06/13/2013 | DE102011120681A1 Anlage und Verfahren zum Vorwärmen von Platinen beim Warmumformen System and method of preheating of blanks during hot forming |
| 06/13/2013 | DE102011120679A1 Anlage und Verfahren zum Warmumformen von Platinen System and method for hot forming of boards |
| 06/13/2013 | DE102011120557A1 Producing bipolar plates for fuel cells to transport austenitic workpieces, by magnetizing workpiece before transport into forming region, in which austenite is converted to ferrite and/or martensite, and moving workpiece by magnetic field |
| 06/12/2013 | EP2602348A1 Grain-oriented magnetic steel sheet |
| 06/12/2013 | EP2602347A1 Grain-oriented magnetic steel sheet and process for producing same |
| 06/12/2013 | EP2602346A1 Directional magnetic steel plate and production method therefor |
| 06/12/2013 | EP2602345A1 Grain-oriented magnetic steel sheet and process for producing same |
| 06/12/2013 | EP2602344A1 Oriented electromagnetic steel plate |
| 06/12/2013 | EP2602343A1 Directional magnetic steel plate |
| 06/12/2013 | EP2602342A1 Grain-oriented magnetic steel sheet and process for producing same |
| 06/12/2013 | EP2602341A1 Grain-oriented electrical steel sheet, and method for producing same |
| 06/12/2013 | EP2602340A1 Oriented electromagnetic steel plate and production method for same |
| 06/12/2013 | EP2602339A1 Grain-oriented electrical steel sheet, and method for producing same |
| 06/12/2013 | EP2602335A1 Process for producing non-oriented electromagnetic steel sheet |
| 06/12/2013 | CN103154295A High carbon steel wire rod having excellent wire drawability |
| 06/12/2013 | CN103154293A Carburizing steel having excellent cold forgeability, and production method thereof |
| 06/12/2013 | CN103154291A Austenite high-manganese stainless steel, manufacturing method therefor, and member using said steel |
| 06/12/2013 | CN103147022A TMCP (thermal mechanical control processing) type E47 steel plate with good low temperature toughness and manufacture method thereof |
| 06/12/2013 | CN103147021A Martensitic stainless steel forged piece and forging and rolling heat treatment integrated production process |
| 06/12/2013 | CN103147018A Austenitic stainless steel forging and production process thereof |
| 06/12/2013 | CN103147017A Steel plate with high strength and excellent low-temperature toughness and manufacturing method thereof |
| 06/12/2013 | CN103147016A Cryogenic vessel steel of minus 110 DEG C and manufacturing method thereof |
| 06/12/2013 | CN103147015A Hot-rolled pickled plate having good phosphorization performances |
| 06/12/2013 | CN103147012A Copper nickel alloy steel and production process thereof |
| 06/12/2013 | CN103147010A Hydrogen and hydrogen sulphide corrosion resistant steel forged piece and production process thereof |
| 06/12/2013 | CN103147009A N80Q steel-grade oil casing and manufacture method thereof |
| 06/12/2013 | CN103147006A Anti-corrosion seamless gathering line pipe and its making method |
| 06/12/2013 | CN103147004A Hot-rolled low-alloy high-strength steel plate and preparation method for same |
| 06/12/2013 | CN103147003A Niobium-containing pressure-bearing seamless steel tube and preparation method thereof |
| 06/12/2013 | CN103147002A Low-alloy high-strength steel plate and preparation method thereof |
| 06/12/2013 | CN103146998A Over-400Mpa galvanized high-strength structural steel and production method thereof |
| 06/12/2013 | CN103146997A Low-alloy high-toughness wear resistant steel plate and manufacturing method thereof |
| 06/12/2013 | CN103146996A Large-expansion steel for seamless steel tube and preparation method thereof |
| 06/12/2013 | CN103146994A Steel wire rod with a length of greater than or equal to 500 mm used for long-fibered steel wools and production method thereof |
| 06/12/2013 | CN103146956A Titanium alloy pipe and manufacturing method |
| 06/12/2013 | CN103143895A Manufacturing method of variable cross-section pipe fitting |
| 06/12/2013 | CN103143894A Manufacturing method of variable cross-section pipe fitting |
| 06/12/2013 | CN103143588A High-strength aluminium wire producing method |
| 06/12/2013 | CN102465238B Method for reducing stainless steel welding wire blank material hot-rolled corner crack defect |
| 06/12/2013 | CN102345061B Q690D quality structural medium steel plate and production method thereof |
| 06/12/2013 | CN102286700B Sulfuric-acid-resistant dew point corrosion steel with tensile strength greater than or equal to 800Mpa grade and preparation method thereof |
| 06/12/2013 | CN102203303B Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe |
| 06/12/2013 | CN102203301B Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe |
| 06/12/2013 | CN102041437B 160mm-thick Q345E-Z35 steel plate for high-rise buildings and production method thereof |
| 06/12/2013 | CN102002635B Steel for pressure container in thick specification and preparation method thereof |
| 06/12/2013 | CN101696483B Bake-hardening hot-rolled steel sheet with excellent workability and process for producing the same |
| 06/11/2013 | US8460484 Method of making a shaped object with regions of different ductility |
| 06/11/2013 | US8460483 Method for heat treatment of coiled spring |
| 06/11/2013 | US8460481 High-strength steel sheet and galvanized steel sheet having very good balance between hole expansibility and ductility, and also excellent in fatigue resistance, and methods of producing the steel sheets |
| 06/06/2013 | WO2013081422A1 Lean duplex stainless steel and preparation method thereof |
| 06/06/2013 | WO2013081224A1 Method for manufacturing hot rolled steel sheet having good anti-aging properties and hot rolled steel sheet manufactured using same |
| 06/06/2013 | WO2013081144A1 Method for rolling/drawing nickel-free high-nitrogen stainless steel material, nickel-free high-nitrogen stainless steel seamless thin pipe, and method for producing same |
| 06/06/2013 | WO2013080891A1 Process for producing non-oriented electrical steel sheet |
| 06/06/2013 | WO2013080699A1 Stainless steel and method of manufacturing same |
| 06/06/2013 | WO2013080398A1 Steel material with excellent crashworthiness and manufacturing process therefor |
| 06/06/2013 | US20130139929 System and method for treating an amorphous alloy ribbon |
| 06/05/2013 | EP2599887A1 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and processes for producing these |
| 06/05/2013 | EP2599883A1 Orientated electromagnetic steel sheet and manufacturing method for same |