| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 04/10/2002 | EP1195447A1 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 |
| 04/10/2002 | EP1194601A1 Coil area for in-line treatment of rolled products |
| 04/10/2002 | EP1194600A2 Method of producing non-grain-oriented electrical sheet |
| 04/10/2002 | EP1194599A1 Method for producing non-grain oriented electric sheet steel |
| 04/10/2002 | EP1194598A1 Steel for producing components of picture tubes and method for producing the sheet steel, from which the picture tubes are made |
| 04/10/2002 | EP1194251A1 Method and apparatus for in-line heat treatment of hot rolled stock |
| 04/10/2002 | EP1015144B1 Method and plant for the manufacture of a deep-drawing steel strip or sheet |
| 04/10/2002 | CN1344332A Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability |
| 04/10/2002 | CN1343798A Centrifugal casting technology for manufacturing cold drawn seamless pipe of ultralow-carbon dual-phase stainless steel |
| 04/10/2002 | CN1082565C Method of producing coins of stainless steel |
| 04/10/2002 | CN1082562C Process for producing Fe-Ni alloys used for electron gun parts |
| 04/10/2002 | CN1082561C 钢管及其制造方法 Steel and manufacturing method thereof |
| 04/10/2002 | CN1082560C Flexible cold-rolled plate and its mfg. method |
| 04/10/2002 | CN1082549C 生产具有高强度和良好成形性能的带钢的方法 The method of producing a high strength and good formability of the steel strip |
| 04/09/2002 | US6368549 Metallurgical vessel |
| 04/09/2002 | US6368424 Magnetic properties improved by laser beam irradiation; no surface damage |
| 04/04/2002 | WO2002027044A1 A method of producing steel strip |
| 04/04/2002 | WO2002026424A1 Production of thin steel strip |
| 04/04/2002 | WO2002026422A1 A method of producing steel |
| 04/04/2002 | WO2001070442A3 Method for producing a welding pin |
| 04/04/2002 | US20020038678 Method to produce grain-oriented electrical steel sheet having high magnetic flux density |
| 04/04/2002 | DE10046181A1 Verfahren zum Herstellen eines überwiegend aus Mn-Austenit bestehenden Stahlbands oder -blechs A method for manufacturing of a predominantly consisting of Mn austenite steel strip or sheet |
| 04/03/2002 | EP1193322A1 High tensile cold-rolled steel sheet having excellent strain aging hardening properties |
| 04/03/2002 | EP1193316A1 Corrosion-resisting and wear-resisting alloy and device using the same |
| 04/03/2002 | EP1192287A1 Method for producing non-grain oriented electric sheet steel |
| 04/03/2002 | CN1343263A Material for shadow mask, method for production thereof, shadow mask and image tube |
| 04/03/2002 | CN1343262A Hot dip galvanized steel plate excellent in balance of strength and ductility and coated adhesive and its manufacturing method |
| 04/03/2002 | CN1343151A Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
| 04/03/2002 | CN1082095C Steel plate for electric use and iron core of motor or transformer |
| 04/02/2002 | US6364968 High-strength hot-rolled steel sheet having excellent stretch flangeability, and method of producing the same |
| 04/02/2002 | US6364967 High-strength, high-toughness rolled shape steel and method of producing the same |
| 04/02/2002 | US6364963 High temperature heating; hot rolling, cold rolling |
| 04/02/2002 | US6364962 Electromagnetic steel sheet having excellent high-frequency magnetic properties and method |
| 03/28/2002 | WO2002024969A1 Method for producing a steel strip or sheet consisting predominantly of mn-austenite |
| 03/28/2002 | US20020036036 Ferritic stainless steel sheet having superior workability at room temperatures and mechanical characteristics at high temperatures and method of producing the same |
| 03/28/2002 | US20020036035 High-strength hot-rolled steel sheet superior in stretch flange formability and method for production thereof |
| 03/27/2002 | EP1191115A1 High carbon steel sheet and method for production thereof |
| 03/27/2002 | EP1191114A1 High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 03/26/2002 | US6361740 High damping, corrosion resistant and substantially nonmagnetic alloy of fe, mn, cr, cobalt, ni, n2 |
| 03/26/2002 | US6361624 Fully-stabilized steel for porcelain enameling |
| 03/26/2002 | US6361621 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 03/26/2002 | US6361620 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 03/26/2002 | CA2166713C Warm forming high strength steel parts |
| 03/21/2002 | WO2002022904A1 Super high tensile cold-rolled steel plate and method for production thereof |
| 03/21/2002 | WO2002022893A1 High tensile strength hot dip plated steel sheet and method for production thereof |
| 03/21/2002 | US20020033591 Method of producing a cold temperature high toughness structural steel tubing |
| 03/21/2002 | US20020033207 Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet |
| 03/21/2002 | US20020033206 Hot rolling, cold rolling, crystallization, decarboxylation |
| 03/20/2002 | CN1341154A Hot-dip galvanized steel sheet having high strength and also being excellent in formability and gelvanizing property and method for producing the same |
| 03/20/2002 | CN1341153A Method for treating brittle thin metal strip and magnetic parts made from nanocrystalline alloy strip |
| 03/20/2002 | CN1081236C Method for batch annealing of austenitio stainless steels |
| 03/19/2002 | US6358338 Process for manufacturing strip made of an iron-carbon-manganese alloy, and strip thus produced |
| 03/19/2002 | US6358336 Heat resistance Cr-Mo alloy steel |
| 03/19/2002 | US6358335 Continuous casting slab suitable for the production of non-tempered high tensile steel material |
| 03/19/2002 | US6358334 Steel holder block for plastic molding |
| 03/14/2002 | US20020030037 Method of manufacturing a welding stud |
| 03/14/2002 | US20020029828 A high tensile strength hot-rolled steel sheet comprising specific mass % of carbon, silicon, manganese, phorphorus, sulfur, aluminum, nitrogen, oxygen and titanum; used in large electric equipment such as a rotor of generator |
| 03/14/2002 | DE10042864A1 Production of malleable hollow or complete profiles used as blanks for lightweight components comprises hammering and hardening the blank, controlling the degree of deforming blocking agglomeration of atoms, and cooling |
| 03/13/2002 | EP1185719A1 Spray-deposited steel, method for the production of the same and a composite substance |
| 03/13/2002 | CN1340107A Steel sheet for tension mask, method for producing the same and tension mask |
| 03/13/2002 | CN1340106A 冷轧钢 Cold Rolled Steel |
| 03/13/2002 | CN1080773C Process for producing drawn wire made of stainless steel and wire obtained by the process |
| 03/12/2002 | US6355119 Heat treatment method for producing boundary-layer hardened long products and flat products of unalloyed or low-alloy steel |
| 03/07/2002 | WO2002018666A1 Low carbon martensitic stainless steel and method for production thereof |
| 03/07/2002 | US20020026970 Toughness and is for use as a steel material for the construction of large industrial machines, ships, marine structures, line pipes, tanks, bridges and like welded structures |
| 03/07/2002 | US20020026969 Heavy wall steel material having superior weldability and method for producing the same |
| 03/07/2002 | DE10055338C1 Production of cold strip comprises hot rolling pre-material produced from steel, cold rolling hot strip to form cold strip, annealing at temperature which is lower than recrystallization temperature, cold deforming, and further annealing |
| 03/06/2002 | EP1183399A1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof |
| 03/06/2002 | EP1183121A1 Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
| 03/06/2002 | EP1040206B1 Method for producing rust-resistant ferritic or ferritic-martensitic constructional steel |
| 03/06/2002 | EP0912270B1 Method for producing axially symmetric parts |
| 03/06/2002 | EP0812365B1 Methods for annealing high manganic cold rolled steel sheet |
| 03/06/2002 | EP0727502B1 Chromium steel sheet excellent in press formability |
| 03/06/2002 | CN1080321C Dual-phase high-strength steel sheet having excellent dynamic deformation properties, and process for preparing same |
| 03/06/2002 | CN1080318C Production of grain oriented silicon steel sheet |
| 02/27/2002 | EP1182268A1 High strength, high toughness, seamless steel pipe for line pipe |
| 02/27/2002 | CN1079841C Martensitic stainless steel having high mechanical strength and corrosion resistance, related products and its production method of said products from said stainless stell |
| 02/26/2002 | CA2222281C Low-alloy heat-treated pearlitic steel rail excellent in wear resistance and weldability and process for producing the same |
| 02/21/2002 | US20020020473 Heat resistant high chromium ferritic steel |
| 02/19/2002 | US6348112 Method for manufacturing a trailer hitch assembly |
| 02/19/2002 | US6348111 Method for producing Fe—Ni alloy |
| 02/19/2002 | US6348108 Suppress the fracture at a grain boundary caused by prior-austenite grain boundary, only thermomechanical processing to improve the toughness without deterioration of the strength; c, mn, si and iron |
| 02/14/2002 | WO2002012580A1 Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production |
| 02/14/2002 | WO2002012572A1 Process for the control of inhibitors distribution in the production of grain oriented electrical steel strips |
| 02/14/2002 | WO2002011915A1 Production method and installation for producing thin flat products |
| 02/14/2002 | US20020017374 Method and apparatus for the direct production of scale-free thin metal strip |
| 02/14/2002 | US20020017342 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 |
| 02/14/2002 | DE10038292A1 Production of continuously cast slabs comprises using a device having a blooming train, a roller table, a roller table section, a leveling unit, an inductive heating device, a finishing train, a delivery roller table and coiling machines |
| 02/13/2002 | EP1179608A2 Fuel tank made of ferritic stainless steel |
| 02/13/2002 | EP1179603A2 Method to produce grain-oriented electrical steel sheet having high magnetic flux density |
| 02/13/2002 | CN1335416A Magnetostriction control type alloy plate and structural element for colour kinescope and process for producing magnetostriction control type alloy plate |
| 02/13/2002 | CN1335414A Forming process of heat-resisting Cr-Mn-Ni-N austenic steel rod |
| 02/13/2002 | CN1079117C Ready-to-use metal wire and method for producing the same metal wire |
| 02/12/2002 | US6346157 Manufacturing method of suspension spring for car |
| 02/07/2002 | WO2002010631A1 Stainless steel oil feeding pipe |
| 02/07/2002 | WO2002010469A1 Stainless-steel pipe with excellent suitability for secondary processing for automotive structural member |
| 02/07/2002 | US20020015655 Sheets with dimensional accuracy, durability of die, efficiency |
| 02/07/2002 | US20020014286 Steel holder block for plastic molding |
| 02/07/2002 | US20020014285 High strength and a long fatigue life |
| 02/06/2002 | EP1178126A1 Bar or wire product for use in cold forging and method for producing the same |