| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 04/28/2010 | EP2179066A1 Method for producing a surface-decarbonized hot-rolled strip |
| 04/28/2010 | CN101698926A Automobile beam steel and temperature control method thereof |
| 04/28/2010 | CN101698925A Low-carbon phosphorus-added high-yield-strength cold rolled steel sheet and manufacturing method thereof |
| 04/28/2010 | CN101698924A Steel shot used for cleaning and strengthening surface of metal and preparation method thereof |
| 04/28/2010 | CN101698923A Steel shot and preparation method thereof |
| 04/28/2010 | CN101698922A Reinforced steel shot and preparation method thereof |
| 04/28/2010 | CN101698900A Production technology method of low content alloy ultrahigh hardness wear-resistant steel plate |
| 04/22/2010 | WO2010043578A1 Method and device for producing hot-rolled strip from silicon steel |
| 04/22/2010 | US20100096048 655 mpa grade martensitic stainless steel having high toughness and method for manufacturing the same |
| 04/22/2010 | US20100096047 Method for manufacturing flat steel products from a steel forming a martensitic microstructure |
| 04/22/2010 | US20100096046 Method of improving formability of magnesium tubes |
| 04/22/2010 | DE102008010168B4 Panzerung für ein Fahrzeug Armor for a vehicle |
| 04/21/2010 | EP2177745A1 Steel tube for fuel injection tube and process for producing the same |
| 04/21/2010 | EP2177640A1 High-strength steel sheet |
| 04/21/2010 | EP2177634A1 Process for production of duplex stainless steel tubes |
| 04/21/2010 | CN1888116B High hardness and high wear resistance no-magnetism bearing steel and its preparation method |
| 04/21/2010 | CN1758966B Method for processing metal body and apparatus for processing metal body |
| 04/21/2010 | CN101696486A Process for rolling high-intensity titanium alloy pipe |
| 04/21/2010 | CN101696484A Chromium-containing HRB400 hot-rolled ribbed steel bar and production method thereof |
| 04/21/2010 | CN101696483A Bake-hardening hot-rolled steel sheet with excellent workability and process for producing the same |
| 04/21/2010 | CN101696466A Three-stage temperature annealing process for 30CrMnSiA cold rolled steel part |
| 04/21/2010 | CN101696121A High-temperature graphite carbon bush and production method |
| 04/21/2010 | CN101368243B Production method for magnetic refrigeration working medium material Y2Fe17 at room temperature |
| 04/20/2010 | US7699947 Having a chemical composition consisting of carbon, manganese, cromium, silicon, titanium, aluminum, sulfur and phosphorus; bainitic-martensitic structure containing < 5% ferrite; hot-rolled steel strip coated with zinc by dipping into bath of molten zinc after coiling; uncoil and anneal |
| 04/20/2010 | US7699943 Method for manufacturing high-strength spring |
| 04/20/2010 | CA2314177C Low-aluminum steel sheet for packaging |
| 04/15/2010 | WO2010041532A1 Iron alloy, iron alloy member and manufacturing method therefor |
| 04/15/2010 | WO2010040333A1 Biocompatible material made of stainless steel having a martensitic surface layer |
| 04/15/2010 | US20100092332 High-strength cold rolled steel sheet having excellent formability, and plated steel sheet |
| 04/15/2010 | US20100089505 Method for manufacturing hot-rolled sheet having fine-grained ferrite, and hot-rolled sheet |
| 04/14/2010 | EP2175043A1 Wire rod and high-strength steel wire excellent in ductility, and processes for production of both |
| 04/14/2010 | EP2173515A1 Method for joining and joined connection of two components made of a metal material with strengthening and heat treatment of at least a part of at least one component before joining |
| 04/14/2010 | CN1729308B Method for making structural elements by machining thick plates |
| 04/14/2010 | CN101694250A 500MPa-grade VN alloying non-tempering seamless steel tube and manufacturing method thereof |
| 04/14/2010 | CN101693982A Martensite corrosion-resisting steel plate for cutting tool and manufacture method thereof |
| 04/14/2010 | CN101693981A Preparation method of low-alloy high-carbon steel with high-strength and high ductility nano structure |
| 04/14/2010 | CN101693980A Flat steel and manufacture method thereof |
| 04/14/2010 | CN101693253A Method for rolling high-strength IF steel in ferrite area |
| 04/13/2010 | US7695824 Reinforced member |
| 04/13/2010 | US7695574 melting alloy raw materials at 1,200 to 1,800 degrees C. and solidifying by rapidly quenching the molten metal produced through the above step to thereby form the RE-containing alloy |
| 04/08/2010 | WO2010038470A1 Steel plate which exhibits excellent low-tempreature toughness both in base metal and in weld-heat affected zone and has small strength anisotropy and process for manufacturing same |
| 04/08/2010 | WO2010016702A9 Environmentally-friendly, pb-free free-machining steel, and manufacturing method for same |
| 04/08/2010 | US20100084058 Method of producing grain-oriented electrical steel |
| 04/08/2010 | US20100084057 Cold-rolled steel sheet, galvannealed steel sheet, and a process for their manufacture |
| 04/08/2010 | US20100084054 High strength hot rolled steel products for line-pipes excellent in low temperature touchness and production method of the same |
| 04/08/2010 | DE102007039096B4 Verfahren und Vorrichtung zum Warmumformen und Härten eines Blechbauteils Method and apparatus for hot forming and hardening a sheet metal component |
| 04/07/2010 | EP2172575A1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
| 04/07/2010 | EP2172573A1 Martensitic stainless-steel seamless pipe for oil well pipe and process for producing the same |
| 04/07/2010 | EP2171103A1 Process and device for producing strips of silicon steel or multiphase steel |
| 04/07/2010 | EP2171102A2 A strip of steel having a variable thickness in length direction |
| 04/07/2010 | CN101691644A Nonmagnetic soft stainless steel wire rod or stainless steel plate and method of manufacturing same |
| 04/07/2010 | CN101691643A Refractory anti-seismic construction steel for high-toughness welding structures, and production method thereof |
| 04/07/2010 | CN101691642A Sulfuric acid dew point corrosion-resistant steel and production process thereof |
| 04/07/2010 | CN101691640A High strength low alloy wear resistance steel plate and preparation method thereof |
| 04/07/2010 | CN101691639A Alloy vessel plate and production method thereof |
| 04/07/2010 | CN101691638A 6Cr14 stainless steel strip and manufacturing method thereof |
| 04/07/2010 | CN101691630A Method for manufacturing seamless steel tubes |
| 04/07/2010 | CN101691629A Method for manufacturing seamless steel tubes |
| 04/07/2010 | CN101691628A Method for manufacturing seamless steel tubes |
| 04/07/2010 | CN101691627A Device for producing high-speed steel pre-hardening material |
| 04/07/2010 | CN101691626A Production method of pre-hardened high-speed steel products and production device thereof |
| 04/07/2010 | CN101328564B Low yield ratio HT780 steel plate having superior weldability and manufacturing method thereof |
| 04/07/2010 | CN101168826B High-performance low-carbon bainite construction steel and producing method thereof |
| 04/07/2010 | CN101153371B High-strength cold-formed hot continuous rolled steel plate and method of preparing the same |
| 04/06/2010 | CA2549867C Method for manufacturing high tensile strength steel plate |
| 04/06/2010 | CA2544382C Dual phase steel strip suitable for galvanizing |
| 04/01/2010 | WO2009090231A8 Parts made of austenitic cast iron having an increased carbon content, methods for the production thereof, and use thereof |
| 04/01/2010 | US20100078097 Steel material superior in high temperature characteristics and toughness and method of production of same |
| 04/01/2010 | DE102008049178A1 Verfahren zur Herstellung eines Formbauteils mit Bereichen unterschiedlicher Festigkeit aus Kaltband A method for producing a molded part with areas of differing strength of cold rolled strip |
| 03/31/2010 | EP2169084A1 Method for manufacturing a moulding with areas of different strength made of cold strip |
| 03/31/2010 | CN101688283A Abrasion-resistant steel sheet having excellent processability, and method for production thereof |
| 03/31/2010 | CN101688282A Bend pipe and process for manufacturing the same |
| 03/31/2010 | CN101688281A Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties |
| 03/31/2010 | CN101688276A Thick hot-rolled steel sheet excellent in workability and excellent in strength and toughness after heat-treatment, and method for producing the same |
| 03/31/2010 | CN101688272A Steel plate exhibiting excellent bendability by line heating and process for production of the plate |
| 03/31/2010 | CN101688264A Process for producing a locally hardened profile component, locally hardened profile component and use of a locally hardened profile component |
| 03/31/2010 | CN101688263A Process for production of high alloy steel pipe |
| 03/31/2010 | CN101688262A Process for production of 780mpa-grade high-tensile-strength steel plates excellent in low-temperature toughness |
| 03/31/2010 | CN101684542A Duplex stainless steel with pitting corrosion resistance and favourable cold temperature flexibility and manufacturing method thereof |
| 03/31/2010 | CN101684538A Structural steel for bridge and method for manufacturing same |
| 03/31/2010 | CN101684537A Weather resisting steel produced by strip casting and production method thereof |
| 03/31/2010 | CN101684535A Cold-roll steel sheet directly used by enamel once and production method thereof |
| 03/31/2010 | CN101684534A Steel plate adapting to large-linear energy welding and manufacturing method thereof |
| 03/31/2010 | CN101684533A High strength cold-rolled plate with excellent formability and production method thereof |
| 03/31/2010 | CN101684514A Method for manufacturing a highly effective cold rolling electrical steel product |
| 03/30/2010 | US7686900 engaging a bottom surface of the flange with a 1st boltless ring, and top surface with a 2nd boltless ring, locking 1st and 2nd boltless rings into a fixed position relative to each other and relative to the flange, heat treating the part, unlocking the first and 2nd boltless rings from each other |
| 03/30/2010 | US7686897 Delayed fracture cracks and internal scabs free; oil wells |
| 03/30/2010 | US7686896 High-strength steel sheet excellent in deep drawing characteristics and method for production thereof |
| 03/30/2010 | CA2511891C High strength galvannealed steel sheet excellent in workability and a method of production of the same |
| 03/30/2010 | CA2338743C Method and installation for producing dual-phase steel |
| 03/25/2010 | WO2010032428A1 High-strength steel plate and process for producing same |
| 03/25/2010 | WO2009157661A3 Bake hardening steel with excellent surface properties and resistance to secondary work embrittlement, and preparation method thereof |
| 03/25/2010 | US20100074794 Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same |
| 03/24/2010 | EP2166122A1 Method of manufacturing high strength steel |
| 03/24/2010 | EP2166121A1 High strength steel sheet and method for manufacturing the same |
| 03/24/2010 | EP2166116A2 Method for production of steel material having excellent scale detachment and steel wire material having excellent scale detachment |
| 03/24/2010 | EP2166115A2 Method for production of steel material having excellent scale detachment and steel wire material having excellent scale detachment |
| 03/24/2010 | EP2166114A2 Method for production of steel material having excellent scale detachment, and steel wire material having excellent scale detachment |
| 03/24/2010 | CN101680071A Wear-resistant steel sheet having excellent wear resistant at high temperature and processability upon bending, and method for production thereof |
| 03/24/2010 | CN101680068A Refractory steel material with welded joint excellent in unsusceptibility to reheat embrittlement and toughness and process for producing the same |