| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 03/18/1998 | EP0829547A2 Process for producing patented steel wire |
| 03/18/1998 | EP0828862A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
| 03/18/1998 | CN1176667A Continuously annealed soft temper blackplates for drawn and ironed cans and deep drawn vessels, and manufacturing method therefor |
| 03/18/1998 | CN1176316A Austenite stainless steel plate with excellent surface brightness and corrosion resistance and method for producing same |
| 03/17/1998 | US5727412 Method and apparatus for rolling strip or plate |
| 03/16/1998 | CA2209469A1 Process for producing patented steel wire |
| 03/12/1998 | WO1998010113A1 Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct |
| 03/12/1998 | WO1998010104A1 Process for the production of grain oriented electrical steel strip starting from thin slabs |
| 03/12/1998 | DE19652335C1 Seamless corrosion resistant steel bottle production used for storing high purity or corrosive gas or liquid |
| 03/12/1998 | CA2265573A1 Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct |
| 03/11/1998 | EP0828009A1 Steel tire cord with high tensile strength |
| 03/11/1998 | EP0828007A1 Process for producing high-strength seamless steel pipe having excellent sulfide stress cracking resistance |
| 03/11/1998 | CN1175979A Process for producing nondirectional electrical steel sheet excellent in close adhesion of insulating film |
| 03/11/1998 | CN1175978A Method for producing steel sheet or strip for making can, resulting steel sheet or strip |
| 03/10/1998 | US5725697 Cold and hot rolling steels, coiling and annealing |
| 03/10/1998 | US5725696 Process and plant for production of raw stainless steel castings |
| 03/10/1998 | US5725681 Process for producing grain oriented silicon steel sheet, and decarburized sheet |
| 03/05/1998 | WO1998008987A1 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs |
| 03/05/1998 | WO1998008986A1 METHOD OF MANUFACTURING FERRITIC STAINLESS FeCrAl-STEEL STRIPS |
| 03/04/1998 | EP0826782A2 High strenght and high toughness steel wires and method for making the same |
| 03/04/1998 | EP0826436A1 Ultra-thin sheet steel and method for manufacturing the same |
| 03/04/1998 | EP0742841A4 Method of making dual phase steel plate |
| 03/04/1998 | CN1174890A Heat treatment method for iron-base ultramicaolith iron core |
| 02/26/1998 | WO1998007890A1 Thick amorphous alloy ribbon having improved ductility and magnetic properties |
| 02/19/1998 | WO1998006881A1 Steel, method for its manufacture, its use and product made from steel |
| 02/19/1998 | WO1997048831A3 Method for processing billets from multiphase alloys and the article |
| 02/17/1998 | US5718776 Yield stress ratios |
| 02/17/1998 | US5718775 Having specified crystal structure, magnetic properties; transformers, power generators |
| 02/17/1998 | CA2063679C Apparatus and method for the manufacture of hot-rolled steel |
| 02/11/1998 | EP0823488A2 Method for producing grain-oriented silicon steel sheet |
| 02/11/1998 | EP0823294A1 Method and installation for manufacturing strips of low-carbon and ultra-low-carbon steel |
| 02/11/1998 | CN1037360C Producing method for semi-technology cold-rolled non-oriented electrical steel plate |
| 02/10/1998 | US5716466 Stainless steel wire product |
| 02/10/1998 | US5716465 For gas wells; hot rolling, hardening, tempering, cold rolling |
| 02/10/1998 | US5716460 Methods for making magnetic strips |
| 02/10/1998 | CA2054395C Method of making high silicon, low carbon regular grain oriented silicon steel |
| 02/05/1998 | DE19724661A1 Fabrication method for toothed transmission parts |
| 02/04/1998 | CN1172505A Dual-phase high strength steel sheet with good toughness and weldability |
| 02/03/1998 | US5714017 Magnetic steel sheet having excellent magnetic characteristics and blanking performance |
| 01/29/1998 | WO1998003687A1 Steel for enameling and method of making it |
| 01/29/1998 | CA2239025A1 Steel for enameling and method of making it |
| 01/28/1998 | EP0820529A1 Method of manufacturing hot-worked elongated products, in particular bar or pipe, from high-alloy or hypereutectoid steel |
| 01/28/1998 | CN1171823A Process for producing directional electrical sheet excellent in glass coating and magnetic properties |
| 01/27/1998 | US5711825 Process for the production of grain oriented magnetic steel sheets having improved remagnetization losses |
| 01/22/1998 | WO1998002591A1 Process for producing a grain-orientated electrical steel sheet |
| 01/22/1998 | WO1998002590A1 Process for producing a grain-orientated electrical steel sheet |
| 01/22/1998 | WO1998002589A1 Hot-rolled steel strip and method of making it |
| 01/22/1998 | CA2260231A1 Hot-rolled steel strip and method of making it |
| 01/20/1998 | US5709836 Chromium steel sheets having an excellent press formability |
| 01/20/1998 | US5709759 Method of working a hot-rolled strip |
| 01/15/1998 | WO1998001589A1 Process for producing weldless steel pipes |
| 01/15/1998 | DE19719546A1 Warmband aus Stahl und Verfahren zu seiner Herstellung Hot-rolled strip of steel and process for its preparation |
| 01/14/1998 | EP0818545A1 Process for continuously casting sheet metal and apparatus for continuously producing sheet metal |
| 01/14/1998 | EP0628087B1 Method for continuous recrystallization annealing of a steel strip |
| 01/08/1998 | WO1998000248A1 Method and plant for the manufacture of a deep-drawing steel strip or sheet |
| 01/07/1998 | EP0816519A1 HOT ROLLED Cr-Ni STAINLESS STEEL PLATE OF LOW ANISOTROPY AND PROCESS FOR PRODUCING THE SAME |
| 01/07/1998 | EP0489159B1 Method of producing ultrafine high-strength, high-ductility steel wire |
| 01/06/1998 | US5705228 Dip coating steel substrates using melts of coppper, silver and brass at austenizing temperature under tension, heat treatment to produce fine grain ferrite-pearlite crystal structure, cooling and drawing |
| 01/06/1998 | US5704998 Hot rolling steels for high tensile strength |
| 01/06/1998 | US5704997 Process for preparing a steel strip and novel steel strip |
| 12/31/1997 | WO1997049839A1 Steel alloy, steel product and use thereof |
| 12/31/1997 | CN1168825A Process for mfg. connecting rod rough forging |
| 12/31/1997 | CN1168821A Non skin-pass tech. for medium carbon, micro-alloy, seamless steel tube |
| 12/30/1997 | US5702543 Thermomechanical processing of metallic materials |
| 12/30/1997 | US5702541 High magnetic density, low iron loss, grain oriented electromagnetic steel sheet and a method for making |
| 12/30/1997 | US5702539 Method for producing silicon-chromium grain orieted electrical steel |
| 12/29/1997 | EP0813613A1 Method for making steel wires and shaped wires, and use thereof in flexible ducts |
| 12/24/1997 | WO1997048831A2 Method for processing billets from multiphase alloys and the article |
| 12/24/1997 | WO1997048509A1 Method for producing axially symmetric parts and the article |
| 12/24/1997 | CN1168700A Ultra-high strength secondary hardening steels with excellent toughness and weldability and method thereof |
| 12/17/1997 | EP0812365A1 Methods for annealing and pickling high manganic cold rolled steel sheet |
| 12/16/1997 | CA2106266C Refractory shape steel material containing oxide and process for producing rolled shape steel of said material |
| 12/11/1997 | WO1997046720A1 Process for producing an easily shaped cold-rolled sheet or strip |
| 12/11/1997 | WO1997046332A1 Method and apparatus for the manufacture of a steel strip |
| 12/11/1997 | CA2251354A1 Process for producing an easily shaped cold-rolled sheet or strip |
| 12/10/1997 | EP0811081A1 Method for producing a steel sheet or strip for making a can, and resulting steel sheet or strip |
| 12/10/1997 | CN1167157A Method for making ultralow carbon cold-rolled steel plate |
| 12/10/1997 | CN1036664C Method for making iron, copper, silicon and boron series ultramicro-crystal alloy |
| 12/04/1997 | WO1997045569A1 Plated steel plate |
| 12/04/1997 | WO1997045565A1 Relaxation-resistant steel spring |
| 12/04/1997 | CA2256667A1 Plated steel sheet |
| 12/04/1997 | CA2256384A1 Relaxation-resistant steel spring |
| 12/03/1997 | CN1166531A Production technology of cold-rolled plate for automobile friction sheets |
| 12/03/1997 | CN1036568C Metallic vacuum double-walled container and manufacturing method thereof |
| 11/25/1997 | US5690757 Cold rolling, annealing; drawing; pulling tension |
| 11/25/1997 | US5690756 Method for producing cast iron gear |
| 11/25/1997 | US5690755 Automobile bodies and frames, structure of low temperature transformation products (ferrites, bainite, martensite) |
| 11/18/1997 | CA2019348C Method of producing crystal bodies having controlled crystalline orientation |
| 11/13/1997 | DE19628715C1 Seamless steel pipe production |
| 11/12/1997 | EP0806486A1 Methods for making magnetic strips |
| 11/12/1997 | CN1164875A Hot-rolled steel sheet and process for producing the same |
| 11/12/1997 | CN1164836A Steel pipe manufacturing method and apparatus and steel pipe |
| 11/11/1997 | US5685921 Method of preparing a magnetic article from a duplex ferromagnetic alloy |
| 11/11/1997 | US5685920 Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same |
| 11/05/1997 | EP0804300A1 Process and device for producing a steel strip with the properties of a cold-rolled product |
| 10/30/1997 | WO1997039843A1 Seamless steel pipe manufacturing method and equipment |
| 10/29/1997 | EP0803582A2 Method of stress inducing transformation of austenite stainless steel and method of producing composite magnetic members |
| 10/23/1997 | WO1997039153A1 Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe |
| 10/23/1997 | WO1997039152A1 Method for producing a hot-rolled high-tensile steel strip |
| 10/23/1997 | DE19613718C1 Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband Method and apparatus for producing hot-rolled steel strip |