| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 05/05/2004 | CN1494599A Electric welded steel tube for hollow stabilizer |
| 05/05/2004 | CN1494597A Mfg. process for making engine components of high carbon content steel using cold forming techniques |
| 05/05/2004 | CN1493708A Steel pipe with good formable character and producing method thereof |
| 05/05/2004 | CN1148270C Process and device for producing ferritically rolled steel strip |
| 04/29/2004 | WO2004035838A1 Method for making hardenable steel plates by firing, resulting steel plates |
| 04/29/2004 | US20040079514 Production of thin steel strip |
| 04/29/2004 | US20040079451 Low nickel containing chromium-nickel-maganese-copper austenitic stainless steel |
| 04/29/2004 | US20040079067 Hot rolling, cold working; heat treatment by high frequency heating; drawing |
| 04/28/2004 | EP1413639A1 Steel material having high toughness and method of producing steel pipes using the same |
| 04/28/2004 | EP1413634A1 METHOD OF PRODUCING HIGH CR−BASED SEAMLESS STEEL TUBE |
| 04/28/2004 | EP1413633A1 Process for manufacturing hardened components made of steel |
| 04/28/2004 | EP1413632A2 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip |
| 04/28/2004 | EP1412548A1 Multi-phase steel sheet excellent in hole expandability and method of producing the same |
| 04/28/2004 | EP1412542A1 Method for strengthening a steel channel member |
| 04/28/2004 | CN1492938A Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 04/28/2004 | CN1492157A Method for improving anti-slackness of steel bolt |
| 04/28/2004 | CN1492068A High strength cold rolled steel plate and its producing method |
| 04/28/2004 | CN1147614C Austenite stainless steel plate with excellent surface brightness and corrosion resistance and method for producing same |
| 04/28/2004 | CN1147613C Steel plate to be precipitating TiN+MnS for welded structures, method for manufacturing the same and welded structure using said steel plate |
| 04/28/2004 | CN1147612C Steel sheet for porcelain enamel exellent in forming property, aging property and enameling characteristics and method for production |
| 04/28/2004 | CN1147611C Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature and their producing methods |
| 04/28/2004 | CN1147610C High tensile cold-rolled steel sheet excellent in ductility and in strain ageing hardening properties, and method for producing same |
| 04/28/2004 | CN1147609C Hot rolled steel plate excellent in strain aging hardening properties and its producing method |
| 04/28/2004 | CN1147595C Steel band with good forming properties and method for producing same |
| 04/27/2004 | US6726786 Suppressing ageing of dressed cold strip by storage at low temperature; buckling resistant |
| 04/22/2004 | WO2004033741A1 Maraging steel golf club head |
| 04/22/2004 | WO2003076673A3 High-resistant, low-density hot laminated sheet steel and method for the production thereof |
| 04/22/2004 | WO2003027344A8 Use of an austenitic stainless steel |
| 04/22/2004 | US20040074628 Method for producing a hot rolled strip made of a steel comprising a high content of manganese |
| 04/22/2004 | US20040074575 Base phase structure, the base phase structure being tempered martensite or tempered bainite and accounting for 50% or more in terms of a space factor relative to the whole structure, or the base phase structure comprising tempered martensite or |
| 04/22/2004 | US20040074573 High strength hot rolled steel sheet containing 0.15% or less C, 0.02 to 0.35% Ti, and 0. 05 to 0.7% Mo by weight percentage and consisting essentially of a matrix of ferrite structure single phase and fine precipitates with a grain |
| 04/22/2004 | US20040074570 Method of producing a cold temperature high toughness structural steel tubing |
| 04/22/2004 | US20040074565 Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics |
| 04/22/2004 | DE10247372A1 Production of a hardened steel component comprises forming a semi-finished product made from air-hardened steel, cold forming the product to form the finished molded component, and hardening the component by heat treating |
| 04/21/2004 | EP1411140A1 Process for manufacturing of cold-rolled steel strips or sheets having excellent formability |
| 04/21/2004 | EP1411139A1 Ultra-high magnetic flux density unidirectional electrical sheet excellent in high magnetic field iron loss and coating characteristics and production method therefor |
| 04/21/2004 | EP1411138A1 Nonoriented electromagnetic steel sheet |
| 04/21/2004 | CN1491290A Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 04/21/2004 | CN1491287A High-strength isotropic steel, method for making steel plates and resulting plates |
| 04/21/2004 | CN1490417A Manufacturing process for superfine fine steel |
| 04/21/2004 | CN1146672C Super high tensile cold-rolled steel plate and method for production thereof |
| 04/21/2004 | CN1146479C Method and plant for manufacture of strip of formable steel |
| 04/20/2004 | US6723453 Welded steel pipe having excellent hydroformability and method for making the same |
| 04/20/2004 | US6723181 Soft stainless steel sheet excellent in workability |
| 04/20/2004 | US6723175 Formed member made of steel sheet and method for producing same |
| 04/15/2004 | WO2004031420A1 High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method |
| 04/15/2004 | WO2004031418A2 Method for manufacturing products by means of deformation at increased temperatures |
| 04/15/2004 | US20040071580 Method for producing oxide dispersion strengthened ferritic steel tube |
| 04/15/2004 | US20040069382 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 04/15/2004 | US20040069377 Between the steps of casting and cold rolling sulfides, selenides or nitrides second phases are precipitated in the matrix to control grain growth; further nitride precipitation between cold rolling and secondary recrystallization |
| 04/15/2004 | DE10246164A1 Making e.g. vehicle structural components with wall thickness varied by rolling, shapes and hardens components through combination of heat- and mechanical treatments |
| 04/14/2004 | EP1408128A1 Method for producing oxide dispersion strengthened ferritic steel tube |
| 04/14/2004 | EP1047798A4 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 04/14/2004 | EP1040205A4 Ultra-high strength dual phase steels with excellent cryogenic temperature toughness |
| 04/14/2004 | CN1489497A Method for altering profile of roller strip |
| 04/14/2004 | CN1145713C Austenitic stainless steel with good accurate punching property |
| 04/14/2004 | CN1145711C Pipeline distribution network system for transportation of liquefied natural gas |
| 04/14/2004 | CN1145710C Steel pipe for use in reinforcement of automobile and method for production thereof |
| 04/14/2004 | CN1145709C High tensile cold-rolled steel sheet having excellent strain aging hardening properties and production method thereof |
| 04/14/2004 | CN1145706C Process for thermal treatment of steel strlp |
| 04/13/2004 | US6719860 Structure of the steel is essentially austenitic but no recrystallization of the austenite occurs |
| 04/13/2004 | US6719855 Fe—Cr—Al based alloy foil and method for producing the same |
| 04/13/2004 | US6718809 Method for processing billets out of metals and alloys and the article |
| 04/08/2004 | WO2004029315A1 Hot milled wire rod excelling in wire drawability and enabling avoiding heat treatment before wire drawing |
| 04/08/2004 | WO2004029304A1 Cu-CONTAINING STEEL PRODUCT OF EXCELLENT SURFACE PROPERTY AND PROCESS FOR PRODUCING THE SAME |
| 04/08/2004 | WO2003056053B1 Precipitation hardenable austenitic steel |
| 04/08/2004 | US20040066297 Marker for use in a magnetic anti-theft security system |
| 04/08/2004 | US20040066129 Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| 04/07/2004 | EP1404391A1 Platinum - stainless steel alloy and radiopaque stents |
| 04/07/2004 | CN1487101A Method of raising strength of acicular ferrite pipeline steel |
| 04/07/2004 | CN1487100A Rolling control method for superfine structure low-carbon steel |
| 04/07/2004 | CN1144895C Non-refined steel with small anisotropy, excellent strength, toughness and machinability of material quality and producing method thereof |
| 04/07/2004 | CN1144893C Steel pipe having excellent formability and method for producing the same steel pipe |
| 04/07/2004 | CN1144892C Steel plate with Tin+Cus precipitate used for welded structure, producing method thereof and produced welded structure with the same |
| 04/07/2004 | CN1144885C Rolling bearing steel with lower baintic structural surface and method for producing thereof |
| 04/07/2004 | CN1144884C Steel thick-wall material with excellent weldability and its mfg. method |
| 04/06/2004 | US6716795 Useful where an electronically active layer is deposited on the buffer layer |
| 04/06/2004 | CA2315086C Ultra-high strength dual phase steels with excellent cryogenic temperature toughness |
| 04/01/2004 | US20040060621 Ultra-fine oxide particles (TiO2, Y2O3) having a diameter of not larger than 1 micron are formed in and/or around the interface between the steel base and the oxide film formed, increasing adhesion; good steam oxidation- resistance |
| 04/01/2004 | US20040060620 High performance nanostructured materials and methods of making the same |
| 04/01/2004 | US20040060619 Hot rolled for use in coil springs or the like and assumes, in cross section, a modified shape such as a square shape, a rectangular shape or a nearly trapezoidal shape. |
| 04/01/2004 | DE10242322A1 Golf club head used in golf club manufacture is made from a rust-free age-hardened maraging steel containing alloying additions of nickel, chromium, titanium, beryllium |
| 03/31/2004 | EP1403393A1 Thin alloy sheet of low thermal expansion and shadow mask using the same |
| 03/31/2004 | EP1403391A1 Martensitic stainless steel |
| 03/31/2004 | EP1403388A1 Process for making products by high temperature deformation |
| 03/31/2004 | EP1402965A1 HEAT−TREATED DEFORMED STEEL WIRE, AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME |
| 03/31/2004 | EP0789090B1 Process for producing a hot-rollled steel sheet |
| 03/31/2004 | CN1485456A Structural fe-cr steel sheet, manufacturing method thereof, and structural shaped steel |
| 03/31/2004 | CN1143903C High-strength steel wire with anti-strain-ageing-brittle and anti-longitudinal-crack and manufacture method thereof |
| 03/31/2004 | CN1143899C Cold rolled steel |
| 03/30/2004 | US6713187 Removing or preventing the formation of inorganic mineral films of forsterite (mg2sio4); |
| 03/25/2004 | WO2004024974A1 Method and apparatus for producing hot-dip coated metal belt |
| 03/25/2004 | US20040055674 Ferritic stainless steel sheet having excellent deep-drawability and brittle resistance to secondary processing and method for making the same |
| 03/25/2004 | US20040055673 Overcoating with solid lubricant; cold rolling |
| 03/25/2004 | US20040055672 Cold rolled steel sheet and galvanized steel sheet having strain age hardenability and method of producing the same |
| 03/25/2004 | DE10239379A1 Verfahren zur Bearbeitung eines Werkstücks für einen Kraftstoffhochdruckspeicher und Werkstück zur Anwendung des Verfahrens A method of machining a workpiece for a fuel high-pressure accumulator and the workpiece for applying the method |
| 03/24/2004 | EP1399598A1 Method for producing high-strength cold-formed steel products from a hot rolled strip, said products exhibiting good malleability |
| 03/24/2004 | CN1143007C Stainless steel plate with enriched copper crystal and/or copper coagulated layer dispersed in substrate |
| 03/24/2004 | CN1143005C Steel pipe having high formability and method for producing the same |
| 03/24/2004 | CN1143004C One-way oriented electric steel plate and making method thereof |