Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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07/01/2003 | US6586117 Steel sheet having excellent workability and shape accuracy and a method for its manufacture |
07/01/2003 | US6585799 Cast steel piece and steel product excellent in forming characteristics and method for treatment of molted steel therefor and method for production thereof |
07/01/2003 | US6585030 Method of producing steel strip |
06/26/2003 | WO2003052152A1 Nano-compsite martensitic steels |
06/26/2003 | US20030118665 Steel plate which shields electromagnetic waves at low frequencies |
06/26/2003 | US20030116238 High strength; hydroforming |
06/26/2003 | US20030116236 Hot rolling, cold rolling, annealing, crystallization |
06/26/2003 | US20030116232 Continuous processing; casting strips, sheets |
06/26/2003 | CA2470384A1 Nano-composite martensitic steels |
06/25/2003 | EP1238118A4 Martensitic stainless steel and steelmaking process |
06/25/2003 | EP1194600B1 Method of producing non-grain-oriented electrical sheet |
06/25/2003 | EP1183399B1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof |
06/25/2003 | EP1109942B1 Method for producing cold-rolled bands or sheets |
06/25/2003 | EP0946763A4 High strength deep drawing steel developed by reaction with ammonia |
06/25/2003 | CN1426490A 滚动轴承部件 Rolling components |
06/25/2003 | CN1426489A Steelpipe having high formability and method for production thereof |
06/25/2003 | CN1426330A Hot rolling method and hot rolling line |
06/24/2003 | US6583545 Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube |
06/24/2003 | US6582835 Coated ferrite stainless steel sheet usable in the automobile exhaust sector |
06/24/2003 | US6582537 Cold-rolled strips or sheets out of low-alloyed steels with a respective max. 0.2% of C, P, Al, Ti, V, Nb, S, B and a respective max. 1% Si and Mn, remainder iron; alloy melted, cast into slabs, hot rolled, cold rolled and annealed |
06/24/2003 | US6582532 Inexpensive bearings of which rolling fatigue strength and breaking resistance are excellent or at least equivalent as compared with carburized (cemented) bearings of conventional type |
06/24/2003 | US6582528 Method of producing non-grain-oriented electrical sheet |
06/24/2003 | US6581672 Method for controlling a continuous strip steel casting process based on customer-specified requirements |
06/19/2003 | WO2003050317A1 Heat shrink band and steel sheet for heat shrink band and method for its production |
06/19/2003 | US20030111146 Nano-composite martensitic steels |
06/19/2003 | US20030111144 Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production |
06/18/2003 | EP1319731A1 Fireproof steel for a steel construction and process for manufacturing warm rolled hollow profiles, supports, a shape steel or a plate made thereof |
06/18/2003 | EP1319726A1 Method of manufacturing cold rolled dual-phase microalloyed steel sheets with high strength |
06/18/2003 | EP1319725A2 Hot strip manufacturing process |
06/18/2003 | EP1319091A1 Method for producing a steel strip or sheet consisting predominantly of mn-austenite |
06/18/2003 | CN1424422A Sulfur containing ferritic stainless steel for ferromagnetic parts |
06/18/2003 | CN1111614C Antibiotic parts and its producing process |
06/18/2003 | CN1111611C Production of rolled multifunctional weathered steel plates and products thereby |
06/12/2003 | WO2003048401A1 Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
06/12/2003 | US20030106623 Steel plate to be precipitating tinfor welded structures, method for manufacturing the same and welding fabric using the same |
06/12/2003 | US20030106622 Hot rolling, cold rolling |
06/12/2003 | US20030106621 Cold rolled steel |
06/12/2003 | US20030106620 High strength hot-dip galvanized steel sheet and method for manufacturing the same |
06/11/2003 | EP1318205A1 Thin steel sheet and method for production thereof |
06/11/2003 | EP1317989A1 Laminated tool steel material and process for producing such tool steel material |
06/11/2003 | CN1423706A Method for the production of a part of a rolling bearing |
06/11/2003 | CN1111210C Material for aperture grill for color picture tube, process for making same, aperture grill, and picture tube |
06/11/2003 | CN1111101C Non skin-pass process for medium carbon, micro-alloy, seamless steel tube |
06/11/2003 | CN1111100C Laminated steel plate and its production technique |
06/10/2003 | US6576068 Chromium, nickel, molybdenum and nitrogen with pitting resistance equivalent number of >/= 50, remelting to homogenize |
06/05/2003 | US20030103859 Austenitic alloy for heat strength with improved pouring and manufacturing, process for manufacturing billets and wire |
06/05/2003 | US20030102058 Soft stainless steel sheet excellent in workability |
06/05/2003 | US20030102055 Low iron loss and low noise grain-oriented electrical steel sheet and a method for producing the same |
06/04/2003 | CN1421286A Rolling process of H-shaped niobium-containing steel |
06/04/2003 | CN1110577C Austenitic stainless steel including columbium |
06/04/2003 | CN1110575C Shadow mask material, its producing method, shadow mask and image tube |
06/03/2003 | US6572716 Fine ferrite-based structure steel production method |
06/03/2003 | US6572714 Fe-Ni alloy for tension mask and tension mask using it and color crt |
05/29/2003 | US20030099857 Steel sheet having excellent workability and shape accuracy and a method for its manufacture |
05/29/2003 | US20030099567 Softening and stability of an austenite phase are controlled so as to increase a ratio of a shear plane; ratio of a strain-induced martensite phase, is specified |
05/29/2003 | US20030098104 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same |
05/29/2003 | US20030098096 Hot formed high strength steel components and method of manufacturing the same |
05/28/2003 | EP1314792A1 Ferritic stainless steel containing sulfur for ferromagnetic parts |
05/28/2003 | EP1314791A1 Low carbon martensitic stainless steel and method for production thereof |
05/28/2003 | EP1313886A1 Process for the control of inhibitors distribution in the production of grain oriented electrical steel strips |
05/28/2003 | CN1109762C Method for producing oriented silicon steel plate by open fire heating |
05/27/2003 | US6569265 Electrical steel with improved magnetic properties in the rolling direction |
05/27/2003 | US6568462 Austenitic stainless steel strips having good weldability as cast |
05/26/2003 | CA2409595A1 Ferritic stainless steel with sulfur useable for ferromagnetic parts |
05/22/2003 | WO2003042420A1 Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same |
05/22/2003 | WO2003042416A1 Method for the production of magnetic sheet with non-oriented granularity |
05/22/2003 | WO2003018221A3 Device for processing a metal slab, plate or strip, and product produced using this device |
05/22/2003 | WO2002078763A8 Radiopaque alloy stent |
05/22/2003 | US20030094221 High-strength heat-resistant steel, process for producing the same, and process for producing high-strength heat-resistant pipe |
05/22/2003 | US20030094217 Ferritic stainless steel sheet having excellent deep-drawability and brittle resistance to secondary processing and method for making the same |
05/21/2003 | EP1312691A1 Austenitic heat resistant alloy with improved castability and transformation, method of making steel slabs and wires |
05/21/2003 | EP1312690A1 Steel material having improved fatigue crack driving resistance and manufacturing process therefor |
05/21/2003 | EP1218559B1 Use of a steel alloy for producing high-tensile seamless steel tubes |
05/21/2003 | CN1419607A Composite structure type hipe tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production |
05/21/2003 | CN1418978A Anti-fatigue crack fine expansivity steel material and method for making same |
05/21/2003 | CN1109121C Super-thin stainless steel foil |
05/21/2003 | CN1109118C High-strength hot-rolled steel plate and its production method |
05/21/2003 | CN1109112C Process for production of grain orientational electromagnetic steel plate |
05/20/2003 | US6566796 Steel sheet for tension mask, making method thereof and tension mask |
05/20/2003 | US6565683 Method for processing billets from multiphase alloys and the article |
05/20/2003 | US6565682 Process for producing high-strength heat-resistant pipe |
05/20/2003 | US6565675 Multistage wet drawing; reinforcement for pneumatic tires |
05/20/2003 | US6565674 High flux density grain-oriented electrical steel sheet excellent in high magnetic field core loss property and method of producing the same |
05/20/2003 | US6564689 Steel bars; hot working, drilling |
05/15/2003 | US20030091458 Maraging type spring steel |
05/15/2003 | US20030091256 Rolling bearing component |
05/14/2003 | EP1310576A1 Steel sheet for heat shrink band |
05/14/2003 | EP1310575A1 Stainless-steel pipe with excellent suitability for secondary processing for automotive structural member |
05/14/2003 | EP1309734A1 Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel |
05/14/2003 | EP1222317B1 Machinable high strength stainless steel |
05/14/2003 | CN1108393C Stainless steel plate for shadow mask and method for production thereof and shadow mask |
05/14/2003 | CN1108387C Method for producing low carbon steel twisted steel |
05/13/2003 | US6562473 Electrical steel sheet suitable for compact iron core and manufacturing method therefor |
05/13/2003 | US6562153 Strain-induced type martensitic steel having high hardness and having high fatigue strength |
05/13/2003 | US6562152 Improved workability and plating adhesion, comprising 0.03 to 2.0% by weight of nitrogen and having a volume fraction of retained austenite of 3-20%; automobiles, buildings, electric apparatus; excellent punch stretching when press forming |
05/13/2003 | US6562150 Steel sheet for heat shrink band and manufacturing method thereof |
05/13/2003 | US6561258 Mold steel |
05/08/2003 | WO2003038140A1 Steel sheet for vitreous enameling and method for producing the same |
05/08/2003 | WO2003038135A1 Hot-rolled steel strip provided for producing non grain-oriented electrical sheet, and method for the production thereof |
05/08/2003 | US20030084974 Several heat treatment procedures are performed on the product without the need for transferring the product to remotely located heat treatment facilities; for elongated metal products, such as rods and bars |