| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 06/09/1993 | EP0545193A1 Process for obtaining different mechanical properties between central and peripheral zones in iron or steel products |
| 06/08/1993 | US5217544 Process for the production of a stainless steel with martensite ferrite two-phase structure and steel obtained by the process |
| 06/08/1993 | CA1318838C Process for the production of hot rolled steel or heavy plates |
| 06/08/1993 | CA1318836C Non-ageing low-alloy hot-rolled strip-form formable steel |
| 06/01/1993 | US5215603 Measuring the grain diameter, calibration and controlling the diameter for stabilizing the product magnetic flux at high density |
| 06/01/1993 | CA1318577C Method of making non-oriented electrical steel sheets having excellent magnetic properties |
| 06/01/1993 | CA1318576C Method of making non-oriented silicon steel sheets having excellent magnetic properties |
| 05/26/1993 | EP0543596A1 Method for the preparation of high-strength fine wire of high-carbon steel |
| 05/26/1993 | CN1072460A Improvement in method for prepn. of high-strength fine wire of high-carbon steel |
| 05/26/1993 | CN1020927C Variable strength materials formed through rapid deformation |
| 05/25/1993 | US5214258 Apparatus and method of ultra rapid annealing by induction heating of thin steel strip |
| 05/25/1993 | US5213637 Method for producing steel wires intended for the manufacture of flexible conduits |
| 05/25/1993 | US5213632 Process for obtaining a high-strength strain-hardened steel wire usable for making reinforcing cables for elastomeric articles, such as pneumatic tires, and reinforcing elements (cables) produced from such wires |
| 05/25/1993 | US5213631 Alloys with boron and copper |
| 05/19/1993 | EP0541574A1 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line. |
| 05/18/1993 | US5211772 Wire rod for high strength and high toughness fine steel wire, high strength and high toughness fine steel wire, twisted products using the fine steel wires, and manufacture of the fine steel wire |
| 05/18/1993 | CA1317859C Method for producing roll steel products |
| 05/12/1993 | EP0322463B1 Heat treatment hardenable hot rolled steel sheet having excellent cold workability and process for its production |
| 05/12/1993 | CN1071961A Method of making regular grain oriented silicon steel without hot band anneal. |
| 05/12/1993 | CN1071960A Method of making high silicon low carbon regular grain oriented silicon steel |
| 05/12/1993 | CN1071959A Method for producing super deep punching steel plate through texture pretreatment |
| 05/11/1993 | US5209900 High-fineness shadow mask material and process for producing the same |
| 05/05/1993 | EP0540405A1 Process for manufacturing magnetic steel strip by direct casting |
| 05/05/1993 | EP0539962A1 Method of manufacturing a cold rolled steel sheet exhibiting an excellent resistance to cold-work embrittlement and a small planar anisotropy |
| 05/05/1993 | EP0539858A1 Process for producing grain-oriented electrical steel strip having high magnetic flux density |
| 05/04/1993 | US5208434 Method and apparatus for laser heat treatment for metal wire |
| 04/29/1993 | WO1993008313A1 Nonoriented electrical steel sheets with superior magnetic properties, and methods for manufacturing thereof |
| 04/29/1993 | CA2054331A1 Method of making regular grain oriented silicon steel without a hot band anneal |
| 04/28/1993 | EP0539236A1 Low-iron loss grain oriented electromagnetic steel sheet and method of producing the same |
| 04/28/1993 | EP0538519A1 Method of making high silicon, low carbon regular grain oriented silicon steel |
| 04/27/1993 | US5205877 Process for making wire mesh screens |
| 04/27/1993 | US5205872 Method of producing crystal bodies having controlled crystalline orientation |
| 04/21/1993 | EP0537398A1 Method of making regular grain oriented silicon steel without a hot band anneal |
| 04/20/1993 | US5203928 Method of producing low iron loss grain oriented silicon steel thin sheets having excellent surface properties |
| 04/20/1993 | US5203545 Vehicle suspension member designed to divert crack propagation |
| 04/20/1993 | CA1316438C Heat treatment of corrosion resistant steels |
| 04/20/1993 | CA1316302C Intermediate coating of steel wire |
| 04/19/1993 | WO1993008312A1 Soft magnetic steel material with excellent direct current magnetizability and corrosion resistance and production thereof |
| 04/14/1993 | EP0319590B1 High-strength, cold-rolled steel sheet having high r value and process for its production |
| 04/14/1993 | CN1020260C Process for producing high-frequency bent tubes having low hardness as worked |
| 04/13/1993 | US5201363 Solidification using cooling rolls |
| 04/07/1993 | EP0535651A1 Method of manufacturing grain oriented silicon steel sheets |
| 04/07/1993 | EP0535238A1 High-strength steel sheet for forming and production thereof |
| 04/06/1993 | US5200005 Interstitial free steels and method thereof |
| 03/31/1993 | EP0534432A2 Process for production of oriented electrical steel sheet having excellent magnetic properties |
| 03/30/1993 | US5198041 Shape memory stainless steel excellent in stress corrosion cracking resistance and method thereof |
| 03/30/1993 | US5197179 Means and a method of improving the quality of cold rolled stainless steel strip |
| 03/16/1993 | CA1314462C Method of refining magnetic domains of electrical steels using phosphorus |
| 03/16/1993 | CA1314461C Method of producing grain oriented silicon iron plate of low iron loss |
| 03/10/1993 | EP0530675A2 Process for producing thin sheet of Cr-Ni-baced stainless steel having excellent surface quality and workability |
| 03/10/1993 | EP0475962A4 Method and apparatus for making card clothing |
| 03/09/1993 | US5192376 Hot rolling steel sheets, coiling to form pipes and electric welding with quench hardening |
| 03/09/1993 | US5192373 Adding magnesium, calcium, sodium and/or potassium chloride to seal surface during anneal to control grain growth inhibitors |
| 03/09/1993 | US5191778 Process for producing thin-webbed h-beam steel |
| 03/03/1993 | CN1069526A Hot-boring cold-draw two-phase seamless steel tube |
| 03/02/1993 | US5190597 Process for producing grain-oriented electrical steel sheet having improved magnetic and surface film properties |
| 02/24/1993 | EP0528419A1 Method of producing grain oriented silicon steel sheet having low iron loss |
| 02/24/1993 | EP0528407A1 Cold-rolled high-tension steel sheet having superior deep drawability |
| 02/24/1993 | CN1069288A Method of producing grain-oriented electrical steel sheets or strips |
| 02/23/1993 | US5188681 Casting mold moved synchronously with a cast strip; cold-rolling the strip |
| 02/23/1993 | US5188680 Method of making tooth point |
| 02/17/1993 | EP0527495A1 Method of producing non-oriented electrical steel sheet having good magnetic properties |
| 02/17/1993 | EP0527277A1 Method of making an abrasion resistant steel |
| 02/17/1993 | EP0527276A1 An abrasion resistant steel |
| 02/17/1993 | CN1069071A Heat treatment of steel wire |
| 02/16/1993 | US5186769 Milling, shaping, stretching of steel containing controlled amounts of vanadium and nitrogen, then dynamic recrystallization without static precipitation |
| 02/16/1993 | US5186763 Process for production of non-oriented electrical steel sheet having excellent magnetic properties |
| 02/16/1993 | US5186762 Process for producing grain-oriented electrical steel sheet having high magnetic flux density |
| 02/10/1993 | EP0526834A1 Method of manufacturing silicon steel sheet having grains precisely arranged in goss orientation |
| 02/09/1993 | US5185043 Strain relief annealing applying ultra-sonic vibrations to surface after secondary recrystallization annealing |
| 02/04/1993 | DE4125493A1 Deep drawing, cold rolled steel mfr. - by casting and rolling, thin slabs of electric or converter steel with higher scrap components using technology used for processing raw iron@-based steels |
| 02/04/1993 | DE4125492A1 Deep drawing cold rolled steel - mfd. by casting and rolling thin slabs of electric or converter steel with higher scrap components |
| 02/03/1993 | EP0526330A1 Process for making thinwalled tubes, steel for making these tubes and so produced tubes for bicycle frames |
| 02/03/1993 | EP0526174A1 Process for making exhaust valves |
| 02/03/1993 | EP0525467A2 Grain oriented silicon steel sheet having excellent primary glass film properties |
| 02/02/1993 | US5183633 Carbon, manganese, nickel, copper, niobium, titanium, nitrogen , silicon and balance being iron; good cracking resistance, high welding energies, low-temperature toughness and requires no preheating before welding |
| 01/28/1993 | DE4124776A1 Mfr. of pulse source with alternating magnetisable and non-magnetisable fields - involves deformation process subjecting source made of austenitic steel having face-centred cubic lattice |
| 01/27/1993 | EP0524689A1 Heat treatment of steel wire |
| 01/26/1993 | US5181974 Protective bars on car doors; bumper cores |
| 01/26/1993 | US5181972 Process for producing grain oriented silicon steel sheets having excellent magnetic properties |
| 01/26/1993 | US5181970 Process for production of stainless steel thin strip and sheet having superior surface gloss and high rusting resistance |
| 01/21/1993 | WO1993001329A1 Unidirectional silicon steel sheet having excellent film properties |
| 01/21/1993 | WO1993001325A1 Grain oriented electrical steel sheet having superior magnetic properties, and manufacturing process thereof |
| 01/20/1993 | EP0524162A2 Method of manufacturing a thin sheet of low carbon steel |
| 01/20/1993 | EP0524160A2 Method of manufacturing a hard steel wire |
| 01/20/1993 | EP0523375A2 Process for producing steel bar wire rod for cold working |
| 01/19/1993 | US5180449 Automobile bodies |
| 01/12/1993 | US5178693 Process for producing high strength stainless steel of duplex structure having excellent spring limit value |
| 01/12/1993 | CA1312534C Method and apparatus for continuous in-line annealing of amorphous strip |
| 01/11/1993 | CA2073631A1 Grain oriented silicon steel sheet having excellent primary film properties |
| 01/07/1993 | EP0521808A1 Method for producing deep drawing steel sheets |
| 12/30/1992 | EP0520476A2 Continuous electron beam irradiation of metal strip |
| 12/29/1992 | US5174833 Production of grain-oriented silicon steel sheets having an insulating film formed thereon |
| 12/23/1992 | WO1992022389A1 Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line |
| 12/22/1992 | US5173129 Grain-oriented silicon steel sheet having a low iron loss free from deterioration due to stress-relief annealing and a method of producing the same |
| 12/22/1992 | US5173128 Method of producing oriented silicon steel sheet having very high magnetic flux density |
| 12/16/1992 | EP0415987B1 Process for continuous production of steel strip or steel sheet from flat products made by the circular-arc type continuous casting process |
| 12/10/1992 | WO1992021784A1 High-yield-ratio hot-rolled high-strength steel sheet excellent in formability or in both of formability and spot weldability, and production thereof |
| 12/09/1992 | EP0516857A1 High-strength ultrafine steel wire with excellent workability in stranding, and process and apparatus for producing the same |
| 12/08/1992 | US5169457 Hot rolling a slab, coiling, annealing, cold rolling |