| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 05/19/1999 | EP0916420A2 Welded pipe |
| 05/19/1999 | EP0648853B1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging |
| 05/18/1999 | US5904204 Apparatus for producing strip of stainless steel |
| 05/14/1999 | WO1999023268A1 High-strength cold rolled steel sheet and high-strength plated steel sheet which have excellent geomagnetism shielding characteristics, and method of manufacturing them |
| 05/12/1999 | EP0915186A1 Chromium-containing hot rolled steel strip and its production method |
| 05/12/1999 | EP0915179A2 Steel sheet having excellent high-frequency magnetic properties and method of producing the same |
| 05/12/1999 | EP0914878A1 Process and treatment line for producing metal strips having descaled surfaces |
| 05/12/1999 | EP0914480A1 Process for producing an easily shaped cold-rolled sheet or strip |
| 05/12/1999 | EP0914479A1 Steel for enameling and method of making it |
| 05/12/1999 | CA2253323A1 Seam free welded pipe |
| 05/11/1999 | US5902422 Cooling of the rolling stock to 650 degrees c prior to coiling transforms the rolling stock isothermally from the austenite to ferrite, pearlite, or if needed, bainite phase immediately after cooling; then careful cooling unneccessary |
| 05/11/1999 | US5902419 High silicon steel sheets with excellent workability |
| 05/06/1999 | WO1999005335A8 Ultra-high strength, weldable steels with excellent ultra-low temperature toughness |
| 05/06/1999 | EP0913491A1 Process for producing a workpiece from a chromium alloy and its use |
| 05/06/1999 | EP0913488A2 Grain oriented electrical steel sheet and method |
| 05/06/1999 | EP0912768A1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular |
| 05/06/1999 | EP0912270A1 Method for producing axially symmetric parts and the article |
| 05/06/1999 | EP0804300B1 Process and device for producing a steel strip with the properties of a cold-rolled product |
| 05/06/1999 | EP0628359B1 Method of manufacturing hot rolled silicon steel sheets of excellent surface properties |
| 05/05/1999 | CN1216072A Grain-oriented electrical steel sheet having excellent magnetic characteristics, its mfg. method and its mfg. device |
| 05/05/1999 | CN1043254C High-strength steel sheet adapted for deep drawing and process for producing same |
| 05/04/1999 | US5900076 Bainitic steel materials having a less scattering of properties and method of producing the same |
| 05/04/1999 | US5900075 Ultra high strength, secondary hardening steels with superior toughness and weldability |
| 04/29/1999 | DE19803598C1 Soft magnetic iron-nickel alloy for relay armatures and yokes |
| 04/28/1999 | EP0910676A1 Process for producing a grain-orientated electrical steel sheet |
| 04/28/1999 | EP0910675A1 Hot-rolled steel strip and method of making it |
| 04/28/1999 | EP0662523B1 Steel sheet of high stress-corrosion-cracking resistance for cans and method of manufacturing the same |
| 04/28/1999 | CA2249749A1 Grain oriented electrical steel sheet and method |
| 04/27/1999 | US5898020 Structures having enhanced biaxial texture and method of fabricating same |
| 04/27/1999 | US5897717 Heating and rolling to form a steel with carbon, silicon, manganese, chromium, molybdenum, vanadium and niobium; high fracture toughness |
| 04/27/1999 | CA2050315C Ferritic stainless steel and process for making same |
| 04/22/1999 | WO1999019538A1 Method of forming an insulating film on a magnetic steel sheet |
| 04/22/1999 | WO1999019521A1 Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation |
| 04/22/1999 | DE19736509A1 Titanium-alloyed, isotropic, earing-free, cold rolled strip steel is produced |
| 04/21/1999 | EP0910101A1 Ultra-low iron loss unidirectional silicon steel sheet |
| 04/21/1999 | EP0909339A2 Method for processing billets from multiphase alloys and the article |
| 04/21/1999 | EP0909338A1 Steel alloy, steel product and use thereof |
| 04/21/1999 | CN1214642A Method and arrangement for producing hot-rolled strip |
| 04/21/1999 | CN1043056C Anneal isolating objects with good reactivity for silica steel sheet and using method thereof |
| 04/20/1999 | US5895534 Method of increasing the yield strength of cold formed steel sections |
| 04/20/1999 | CA2071432C Vehicle suspension member and method for making |
| 04/14/1999 | CN1214085A Ready-to-use metal wire and method for producing same |
| 04/14/1999 | CN1213587A Process for manufacturing foil of ferritic stainless steel having high aluminium content |
| 04/08/1999 | DE19800237A1 Method and installation for production of wire with conical sections |
| 04/07/1999 | EP0906963A1 Bidirectional electromagnetic steel plate and method of manufacturing the same |
| 04/07/1999 | EP0906961A1 Process for manufacturing steel strip for making metal containers by deep drawing and steel strip obtained |
| 04/07/1999 | EP0906453A1 Relaxation-resistant steel spring |
| 04/07/1999 | CN1213011A Flexible cold-rolled plate and its manufacture method |
| 04/07/1999 | CN1213005A Process for manufacturing strip made of alloy of iron-nickel type from continuously cast thin strip |
| 04/01/1999 | WO1999002742A3 Method for manufacturing high magnetic flux density grain oriented electrical steel sheet based on low temperature slab heating method |
| 03/31/1999 | EP0905267A1 Soft cold-rolled steel sheet and method for making the same |
| 03/31/1999 | EP0905263A1 Process for manufacturing iron-nickel alloy strip from a continuously cast thin strip |
| 03/31/1999 | EP0904860A2 Method and installation for manufacturing biconical wire |
| 03/31/1999 | CN1212189A Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained |
| 03/31/1999 | CN1042748C Deformed rod steel with high adhesion and high strength |
| 03/30/1999 | US5888314 Process for preparation of oriented electrical steel sheet having high flux density |
| 03/30/1999 | CA2036647C Method of producing grain oriented silicon steel sheets having improved magnetic properties and bending properties |
| 03/25/1999 | WO1999014384A1 Methods for producing constituent members made of ageing-sensitive steel and coated with baking enamel |
| 03/25/1999 | WO1999014383A1 Hot rolling high-strength steel structural members |
| 03/24/1999 | EP0903421A1 Ferritic heat-resistant steel and method for producing it |
| 03/24/1999 | EP0903419A1 Thin steel plate of high rectangular tube drawability and method of manufacturing the same |
| 03/24/1999 | EP0903413A1 Fine-grained ferrite-based structural steel and manufacturing process of this steel |
| 03/24/1999 | EP0903412A2 Ultra-fine texture steel and method for producing it |
| 03/24/1999 | CN1211633A Bainitic steel rail with high-quantity binding character in its welding area |
| 03/24/1999 | CN1211631A Fe-Zr-B-blended nm-crystal huge magnetic impedance thin band material and its preparation method |
| 03/24/1999 | CN1211625A Production method for cold-rolled pure iron plate with texture of coarse crystal |
| 03/23/1999 | US5885374 Process for producing grain oriented silicon steel sheet and decarburized sheet |
| 03/23/1999 | US5885371 Method of producing grain-oriented magnetic steel sheet |
| 03/23/1999 | US5885370 Passing heat treated steel at or lower than curie temperature through strong magnetic field gradient to effect phase transformation |
| 03/23/1999 | CA2125540C Stainless steel wire product |
| 03/18/1999 | WO1999013123A1 Hot rolled steel plate to be processed having hyper fine particles, method of manufacturing the same, and method of manufacturing cold rolled steel plate |
| 03/17/1999 | EP0902094A1 Process for manufacturing a mechanical workpiece with at least one part surface hardened by induction and workpiece obtained |
| 03/17/1999 | CN1211285A Drawing stock for reinforcing plastic a rubber articles |
| 03/16/1999 | US5882447 Heavy-wall structural steel and method |
| 03/11/1999 | WO1999011836A1 Steel wire and method of manufacturing the same |
| 03/11/1999 | WO1999011835A1 Steel plates for drum cans, method of manufacturing the same, and drum can |
| 03/11/1999 | DE19743802A1 Press forming of a low alloy steel part with an increased ductility region |
| 03/11/1999 | CA2270916A1 Steel plates for drum cans, method of manufacturing the same, and drum can |
| 03/09/1999 | US5879479 Method of making ultra low-carbon steel |
| 03/09/1999 | US5878491 Process for the manufacture of a forged connecting rod |
| 03/03/1999 | EP0899352A1 Medium/high carbon low alloy steel for warm/cold forming |
| 03/03/1999 | EP0899351A1 Medium/high carbon low alloy steel for warm/cold forming |
| 03/02/1999 | US5876522 Process and device for inline pickling of hot strips downstream of thin-slab production installations |
| 03/02/1999 | US5876521 Ultra high strength, secondary hardening steels with superior toughness and weldability |
| 03/02/1999 | US5876520 Cold rolling having a reduction rate of 2 to 18% |
| 03/02/1999 | US5875831 Process for producing continuously metallic coil |
| 03/02/1999 | CA1340418C Method for manufacturing seamless tubulars using t-v-n microalloyed steels |
| 02/25/1999 | WO1999009232A1 Metallurgical vessel |
| 02/25/1999 | WO1999009221A1 Method for producing grain oriented electric sheets and use of a steel for electric sheets |
| 02/25/1999 | WO1999008818A1 A metallic strip and method and apparatus for working a metallic strip |
| 02/25/1999 | CA2300443A1 A metallic strip and method and apparatus for working a metallic strip |
| 02/24/1999 | EP0897993A2 Electromagnetic steel sheet having excellent magnetic properties and production method thereof |
| 02/23/1999 | US5873961 Quickly heating steel wire to austenize, then continuously cooling in air to transform austenite into pearlite with momentary heating from recalescence, final cooling, brass plating, cold drawing wire; high tensile strength |
| 02/23/1999 | US5873960 Cooling cast billet to below a transformation temperature, heating and piercing to form hollow shell, elongation and finish rolling, recrystallizing, quenching, tempering along single continuous process line; simplification |
| 02/23/1999 | US5873958 High strength and high toughness steel wires and method for making the same |
| 02/23/1999 | US5873957 Hot-rolled sheet steel for deep drawing |
| 02/23/1999 | US5873954 Amorphous alloy with increased operating induction |
| 02/23/1999 | CA2128019C High-strength steel parts and method of making |
| 02/18/1999 | WO1999007909A1 Ferritic stainless steel plate of high deep drawability and ridging resistance and method of manufacturing the same |
| 02/18/1999 | WO1999007907A1 Thick cold rolled steel sheet excellent in deep drawability and method of manufacturing the same |