| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 03/15/2000 | EP0985054A1 Method for continuous manufacture of a steel band for drawing with improved surface properties |
| 03/15/2000 | CN1050388C Method of forming drive axle shafts and alloy for making same |
| 03/14/2000 | US6035686 Method and installation for producing biconical wire |
| 03/09/2000 | WO2000012773A1 Method for manufacturing high adherence enamel-coating steel sheet with superior formability |
| 03/09/2000 | WO2000012772A1 Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube |
| 03/09/2000 | WO2000012768A1 Simple ladle refining method |
| 03/08/2000 | CN1050096C Stainless wire used for tyre frame |
| 03/01/2000 | CN1246161A High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for production thereof |
| 03/01/2000 | CN1049927C Method for making non-aging canned steel plate with good working performance |
| 02/29/2000 | US6030472 Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders |
| 02/29/2000 | US6030470 Method and plant for rolling hot-rolled wide strip in a CSP plant |
| 02/24/2000 | WO2000009768A1 Method for annealing an amorphous alloy and method for manufacturing a marker |
| 02/23/2000 | EP0980914A2 Process and device for manufacturing very ductile profiled steel pipes |
| 02/23/2000 | EP0980444A1 Steel compositions and methods of processing for producing cold-formed and carburized components with fine-grained microstructures |
| 02/23/2000 | CN1049697C Steel sheet having excellent processing characteristics and manufacturing method therefor |
| 02/22/2000 | US6027587 Treating an austenite phase steel havign a mean grain size greater than 50 microns before any transformation has commenced to induce a rapid complete transformation to an ultrafine microstructure in one or more zones |
| 02/22/2000 | US6027581 Excellent deep drawability and excellent anti-aging properties, and manufacturing method; contains carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen and titanium, the balance iron in given weight % |
| 02/22/2000 | CA2100656C Austenitic high manganese steel having superior formability, strengths and weldability, and manufacturing process therefor |
| 02/17/2000 | WO2000008223A1 Oxidation-resistant metal foil |
| 02/16/2000 | CN1244820A Process and device for producing a steel strip or sheet |
| 02/16/2000 | CN1244596A High-strength steel bar for prestressed concrete and its production process |
| 02/16/2000 | CN1244595A Steel wire for prestressed concrete and its production process |
| 02/15/2000 | US6025673 Magnetic shield material, production method thereof and color image tube assembling the material |
| 02/15/2000 | US6024808 Seamless steel pipe manufacturing method and equipment |
| 02/15/2000 | CA2024226C Magnesium oxide coating for electrical steels and a method of coating |
| 02/10/2000 | WO2000006791A1 Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof |
| 02/10/2000 | WO2000006790A1 Steel for making a ball bearing part |
| 02/10/2000 | WO2000006789A1 High-strength, high-toughness rolled shape steel and production method thereof |
| 02/10/2000 | DE19934989A1 Composite magnetic element, useful for motor rotors and magnetic balances, consists of a chromium-aluminum steel with a nonmagnetic portion and a ferromagnetic portion having a specified low carbide content and coarse grain size |
| 02/09/2000 | EP0737757B1 High-strength ferritic heat-resistant steel and process for producing the same |
| 02/09/2000 | CN1244220A Process for the treatment of grain oriented silicon steel |
| 02/09/2000 | CN1243884A Controlled rolling technology for microally steel with superfine structure |
| 02/08/2000 | US6022427 Thermomechanically hardened by shot peening the unstressed springs followed by thermally destressing them, and shot peening them again. |
| 02/03/2000 | WO2000005422A1 Method and installation for producing dual-phase steel |
| 02/03/2000 | DE19834552A1 Oxidationsbeständige Metallfolie Oxidation-resistant metal foil |
| 02/03/2000 | DE19834361A1 Precision deep-drawn case-hardened component, especially a roller bearing and motor component e.g. a needle bearing, sleeve or bush, is made from a cold rolled strip of steel with specified titanium, nitrogen and low aluminum contents |
| 02/02/2000 | EP0976541A1 Composite wire comprising a core of carbon steel and an outer layer of stainless steel |
| 02/02/2000 | EP0975814A1 Heat treatment of steel |
| 02/02/2000 | CN1243547A Hot rolled steel plate to be processed having hyper fine particles, method of manufacturing the same, and method of manufacturing cold rolled steel plate |
| 02/02/2000 | CN1243546A Steel plates for drum cans, method of manufacturing same, and drum can |
| 02/02/2000 | CN1243165A Production method for low-carbon micro steel-alloy |
| 02/02/2000 | CN1049011C Heat treatment of steel wire |
| 01/27/2000 | WO2000004199A1 Clean steel |
| 01/27/2000 | DE19839383A1 Verfahren zur thermomechanischen Behandlung von Stahl für torsionsbeanspruchte Federelemente Method for the thermomechanical treatment of steel for torsionally resilient elements |
| 01/27/2000 | DE19833321A1 Method and installation to produce dual phase steels out of hot-rolled strip, with cooling rate at first cooling stage set sufficiently low to obtain temperature which is sufficiently high for rapid transformation of austenite into ferrite |
| 01/26/2000 | EP0974677A1 High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof |
| 01/26/2000 | EP0974676A2 Process for thermo-mechanically treating steel for torsion spring elements |
| 01/25/2000 | CA2194067C Warm forming high-strength steel structural members |
| 01/20/2000 | WO2000003050A1 HIGH Cr FERRITIC HEAT RESISTANCE STEEL |
| 01/20/2000 | WO2000003043A1 Method for producing raw plate for surface treatment plate for can using continuous annealing |
| 01/20/2000 | WO2000003042A1 Method and apparatus for producing martensite- or bainite-rich steel using steckel mill and controlled cooling |
| 01/20/2000 | WO2000003041A1 Flat product, such as sheet metal, made of steel with high yield strength having good ductility and method for making same |
| 01/20/2000 | CA2337260A1 Flat product, such as sheet metal, made of steel with high yield strength having good ductility and method for making same |
| 01/19/2000 | EP0972090A1 Steel and process for the manufacture of a part for ball bearing |
| 01/19/2000 | EP0972087A1 High-tensile-strength steel and method of manufacturing the same |
| 01/19/2000 | CN1242058A Process for the production of grain oriented silicon steel sheet |
| 01/19/2000 | CN1242057A Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 01/18/2000 | US6016029 Hot rolled low carbon steel subjected to cold rolling and annealing; excellent inner shield characteristics and improved handling strength |
| 01/12/2000 | EP0971374A1 Ultralow-iron-loss grain oriented silicon steel plate and process for producing the same |
| 01/12/2000 | EP0971044A1 Clad hot-rolled and cold-rolled steel sheet, presenting a very high resistance after thermal treatment |
| 01/12/2000 | EP0970257A1 Ferromagnetic amorphous metallic alloy and annealing method |
| 01/12/2000 | EP0970256A1 Hot-rolling steel strip |
| 01/12/2000 | EP0638653B1 Process for producing chromium-containing stainless steel strip with excellent toughness |
| 01/12/2000 | CN1241221A Ferritic stainless steel plate of high deep drawability and ridging resistance and method of mfg. same |
| 01/12/2000 | CN1241220A Thick cold rolled steel sheet excellent in deep drawability and method of mfg. same |
| 01/12/2000 | CN1241219A High-strength steel having high impact energy absorption power and method for mfg. same |
| 01/12/2000 | CN1048285C Method for making ultralow carbon cold-rolled steel plate |
| 01/05/2000 | EP0969112A1 Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same |
| 01/05/2000 | EP0751232B1 Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability, and method of manufacturing the same |
| 01/05/2000 | DE19854168A1 Producing a toothed steel transmission element by pressure rolling |
| 01/05/2000 | CN1048040C Mono-orientational electro-magnetic steel plate with low iron loss and making method thereof |
| 12/29/1999 | EP0966549A1 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 12/29/1999 | EP0966548A1 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 12/29/1999 | EP0966547A1 Method for producing a highly resistant, very ductile steel strip |
| 12/28/1999 | US6007762 Apparatus and method for precision gear finishing by controlled deformation |
| 12/28/1999 | US6007644 Heavy-wall H-shaped steel having high toughness and yield strength and process for making steel |
| 12/28/1999 | US6007642 Hot rolling, (no hot band annealing), cold rolling, first batch annealing, second cold rolling, second batch annealing and temper rolling: steel (iron, carbon, silicon, aluminum, manganese and antimony) remains ferritic |
| 12/28/1999 | US6006789 Method of preparing a steel pipe, an apparatus thereof and a steel pipe |
| 12/23/1999 | WO1999066516A1 Electrical steel with improved magnetic properties in the rolling direction |
| 12/23/1999 | DE19928562A1 Magnetic composite element used especially as a fuel or hydraulic oil operating element in a vehicle |
| 12/23/1999 | CA2334899A1 Electrical steel with improved magnetic properties in the rolling direction |
| 12/15/1999 | EP0964073A1 A steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof |
| 12/09/1999 | WO1999063124A1 Resin-coated steel sheet suitable for use in thin-walled deep-drawn ironed can and steel sheet therefor |
| 12/09/1999 | WO1999063120A1 Method for producing high silicon steel, and silicon steel |
| 12/09/1999 | WO1999062665A1 Clad material and method of manufacturing the material |
| 12/08/1999 | EP0688883B1 Martensitic heat-resisting steel having excellent resistance to haz softening and process for producing the steel |
| 12/08/1999 | CN1237490A Laminated steel plate and its production technique |
| 12/08/1999 | CN1047207C Method for manufacturing non-oriented electromagnetic steel plate having high magnetic flux density and low iron loss |
| 12/07/1999 | USRE36423 Hot rolling, annealing, cold rolling, decarburizating |
| 12/07/1999 | US5997665 Process for manufacturing a clad sheet which includes an abrasion-resistant layer made of tool steel, and clad sheet obtained |
| 12/07/1999 | US5997664 Method for producing galvanized steel sheet |
| 12/07/1999 | CA2071190C Steel spring, and steel bar and method for producing same |
| 12/02/1999 | WO1999062080A1 Method for preparing a magnetic material by forging and magnetic material in powder form |
| 12/02/1999 | WO1999061368A1 Hydrogen generation from reforming organic molecules using a palladium membrane reactor |
| 12/01/1999 | EP0960951A1 Steel with improved core toughness in case-carburized components |
| 12/01/1999 | EP0841993B1 Method for the manufacture of a strip of formable steel |
| 12/01/1999 | CN1237213A Ultrafine-grain steel pipe and process for manufacturing the same |
| 12/01/1999 | CN1236824A Extra-low iron loss high-magnetic flux density oriented electromagnetic steel plate and its manufacturing method |
| 11/30/1999 | US5993568 Soft magnetic alloy sheet having low residual magnetic flux density |
| 11/30/1999 | CA2093905C High-strength steel parts and method of making |