| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 06/06/2001 | CN1066777C Continuously annealed soft temper black steelplate for drawn and deep-draw container and its producing process |
| 06/05/2001 | US6241832 Method for creep-sizing annular-shaped structures and device therefor |
| 06/05/2001 | US6241829 Silicon steel sheet and method thereof |
| 05/31/2001 | WO2001038595A1 Non-oriented electromagnetic steel sheet having reduced magnetic anisotropy in high frequency region and excellent press workability |
| 05/31/2001 | US20010001966 Martensitic stainless steel for seamless steel pipe |
| 05/31/2001 | DE19963522A1 Legierungsstahl mit überlegener Korrosionsbeständigkeit gegen Alkalimetalloxide enthaltende Salzschmelzen Containing alloy steel having superior corrosion resistance against alkali metal oxides salt melts |
| 05/31/2001 | DE10056847A1 Hot rolling process uses a coiler tension rolling mill having a coiling machine installed on either the inlet or the outlet side of a rolling mill and a heater provided between the rolling mill and the coiling machine |
| 05/30/2001 | EP1103626A1 HIGH Cr FERRITIC HEAT RESISTANCE STEEL |
| 05/30/2001 | EP1029113B1 Method for covering electric steel strips with an annealing separator |
| 05/30/2001 | CN1297063A Excellent weldability steel thick wall material and its mfg. method |
| 05/30/2001 | CN1297062A Method for producing superfine texture steel |
| 05/30/2001 | CN1066491C PC concrete iron and method for producing same |
| 05/30/2001 | CN1066489C Method of increasing yield strength of cold formed steel sections |
| 05/29/2001 | US6238498 Drawing through a die a bundle of wires comprising alloying elements, heating to slightly melt and homogenize wires and without deforming, further homogenization in solid phase |
| 05/29/2001 | US6238493 Controlled rolling and accelerated cooling with the controlled alloy chemistry to yield steel plate having high yield strength, tensile strength, and toughness; construction materials |
| 05/29/2001 | US6238455 High-strength, titanium-bearing, powder metallurgy stainless steel article with enhanced machinability |
| 05/29/2001 | CA2225752C Method and plant for the manufacture of a strip of formable steel |
| 05/25/2001 | WO2001036699A1 Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 05/24/2001 | US20010001341 Process for the production of material of metals and alloys having microstructure or fine nonmetallic inclusions and having less segregation of alloying elements |
| 05/23/2001 | EP1101229A1 Magnetic core insulation |
| 05/23/2001 | EP0925380B1 Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct |
| 05/23/2001 | EP0811081B1 Method for producing a steel sheet or strip for making a can, and resulting steel sheet or strip |
| 05/23/2001 | CN1295893A Hot rolling method and Steger hot rolling machine |
| 05/23/2001 | CN1066205C Low-yield ratio and high-strength hot-rolled steel plate with good toughness and production method thereof |
| 05/22/2001 | US6235402 Multilayer |
| 05/17/2001 | WO2001034862A1 Hot dip galvanized steel plate excellent in balance of strength and ductility and in adhesiveness between steel and plating layer |
| 05/17/2001 | WO2001034850A2 Electric rotary machine plate with oriented grains |
| 05/16/2001 | EP1099773A1 Ferritic stainless steel plate |
| 05/16/2001 | EP1099772A1 Martensite stainless steel for seamless steel tube |
| 05/16/2001 | EP1099771A1 Stainless steel plate for shadow mask and method for production thereof and shadow mask |
| 05/16/2001 | EP1099769A1 Process for manufacturing high tensile strength hot rolled steel sheet for forming and especially for deep drawing |
| 05/16/2001 | EP1099498A1 Cast steel piece and steel product excellent in forming characteristics and method for treatment of molted steel therefor and method for production thereof |
| 05/16/2001 | EP1099230A1 Electrical steel with improved magnetic properties in the rolling direction |
| 05/16/2001 | CN1295505A Method for rolling metal strip |
| 05/16/2001 | CN1295139A Titaniferous ultra high strength metastable austenitic stainless steel and its manufacture |
| 05/15/2001 | US6231696 Method of manufacturing microalloyed structural steel |
| 05/15/2001 | US6231694 Process for producing Fe-Ni alloys used for electron gun parts |
| 05/15/2001 | US6231685 Electrical steel with improved magnetic properties in the rolling direction |
| 05/10/2001 | US20010001049 Cold-rolled steel strip and hot-dip coated cold-rolled steel strip for use as building material and manufacturing method thereof |
| 05/09/2001 | EP1098010A1 Steel sheet for heat-shrink band and method of manufacturing it |
| 05/09/2001 | EP0685566B1 Rail of high abrasion resistance and high tenacity having pearlite metallographic structure and method of manufacturing the same |
| 05/09/2001 | CN1294637A Steel plate, hot-dip steel plate and alloyed hot-dip steel plate and prodn. methods therefor |
| 05/09/2001 | CN1294635A Material for aperture grill for color picture tube, process for makihng same, aperture grill, and picture tube |
| 05/09/2001 | CN1065456C Method of mfg. grain-oriented silicon steel sheet having excellent magnetic characteristics |
| 05/08/2001 | US6229255 Shadow mask in color CRT having specific materials |
| 05/08/2001 | US6228188 Heat treatment of a steel wire |
| 05/08/2001 | US6228183 Ultra-high strength low alloy steel with high toughness produced without the need for the costly step of final tempering |
| 05/08/2001 | US6228182 Hot rolling electromagnetic steel, cold rolling hot rolled steel sheet once or twice including intermediate annealing, annealing, forming linear grooves, filling grooves with tin, boron, antimony, promoting formation of fine grains |
| 05/03/2001 | WO2001031077A1 Hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property |
| 05/03/2001 | WO2001031076A1 Machinable high strength stainless steel |
| 05/03/2001 | US20010000580 Steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof |
| 05/03/2001 | DE10030433A1 Production of wear-resistant edge layers on workpieces comprises subjecting component which has been solution annealed and heat treated conventionally to renewed short term solution annealing of edge layer and further heat treating |
| 05/03/2001 | CA2387880A1 Machinable high strength stainless steel |
| 05/02/2001 | EP1096030A2 Bake hardenable vanadium containing steel |
| 05/02/2001 | EP1096029A1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 05/02/2001 | CN1293261A Non orientation electromagnetic steel sheet possessing high magnetic permeability and its manufacturing method |
| 05/02/2001 | CN1065369C Improved process for manufacturing alternator pole piece |
| 05/02/2001 | CN1065286C Less magnetic leakage and non-orientation silicon steel thin plate and its iron core and small transformer thereof |
| 05/01/2001 | US6225609 Coiling temperature control method and system |
| 05/01/2001 | US6224824 Chlorides and alkali oxides with nickel alloys for corrosion resistance |
| 05/01/2001 | US6224694 Method for heat-treating profiled rolling stock |
| 05/01/2001 | US6224686 High-strength valve spring and it's manufacturing method |
| 05/01/2001 | CA2116144C Stainless steel and carbon steel composite, and method of producing the same |
| 04/26/2001 | WO2001029277A1 Steel for large bearing and parts for large bearing |
| 04/26/2001 | WO2001029274A1 Wire-shaped product, method for its manufacturing, and wear part made of the product |
| 04/26/2001 | WO2001029273A1 Method for production of a hot rolled strip |
| 04/26/2001 | WO2001029272A1 Method of producing ultra-fine grain structure for unalloyed or low-alloyed steel |
| 04/26/2001 | WO2000068443A3 Method for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 04/25/2001 | EP1094125A1 Maraging steel excellent in fatigue characteristics and method for producing the same |
| 04/25/2001 | EP1094121A2 Method and manufacturing a laminated ring |
| 04/25/2001 | CN1292832A Process for producing of grain oriented electrical steel strips |
| 04/25/2001 | CN1065004C Process for producing grain orientation electrical sheet excellent in glass coating and magnetic properties |
| 04/24/2001 | US6222148 Method for producing a multilayer thin-walled bellows of stainless steel |
| 04/24/2001 | US6221501 Steel with electrically insulating hematite layer |
| 04/24/2001 | US6221180 For three-piece cans; workability; surface appearance |
| 04/24/2001 | US6221179 Ductility, toughness, fatigue strength, less anisotropy; for automobile structural use, home electric appliances structural use, machine structural use or building structural use |
| 04/24/2001 | US6221178 Ultra-fine grain steel and method for producing it |
| 04/24/2001 | US6220306 A hot rolled plate of low carbon martensite stailess steel which consists of 0.05% or less carbon, 10 to 15% chromium, 1 to 8% nickel, optional chromium and molybdenum and balance iron and impurities; corrosion resistance and formability |
| 04/19/2001 | WO2001027340A1 Method for making a cold rolled steel strip for deep-drawing |
| 04/19/2001 | WO2001027339A1 Method for producing steel and use thereof in steel construction |
| 04/19/2001 | DE19950263A1 High strength steel shaft manufacturing method e.g. for automobile propeller shaft |
| 04/18/2001 | CN1291661A Orientation electric steel plate with excellent film covering characteristics and its making method |
| 04/17/2001 | US6217680 Thick cold rolled steel sheet excellent in deep drawability and method of manufacturing the same |
| 04/17/2001 | US6217679 Hot-rolling chromium-containing steel slab, coiling strip formed at specified temperature, annealing strip in reducing atmosphere with specified hydrogen concentration and dew point, pickling in solution of nitric and hydrochloric acids |
| 04/17/2001 | US6217678 Steel wire rod or bar with good cold deformability and machine parts made thereof |
| 04/17/2001 | US6217673 Process of making electrical steels |
| 04/11/2001 | EP1091006A1 Strain-induced type martensitic steel having high hardness and high fatigue strength |
| 04/11/2001 | CN1290767A Fe-Cr-Ni alloy plate and Fe-Cr-Ni alloy for electronic gun electrode |
| 04/11/2001 | CN1290766A Stainless steel plate with enriched copper crystal and/or copper coagulated layer dispersed in substrate |
| 04/11/2001 | CN1290763A High strength phosphorated steel and its producing method |
| 04/11/2001 | CN1064276C Method for producing seamless steel pipes and manufacturing equipment thereof |
| 04/10/2001 | US6212928 Comprising: preparing a steel slab, carrying out a hot rolling, a first cold rolling;a first annealing above recrystallization temperature; a second cold rolling;use in braun tubes |
| 04/10/2001 | CA2103111C Hot rolled steel wire rod, fine steel wire and twisted steel wire, and manufacture of the fine steel wire |
| 04/05/2001 | WO2001023632A1 Hot-rolled steel sheet having high tensile strength and method for production thereof |
| 04/05/2001 | WO2001023625A1 Sheet steel and method for producing sheet steel |
| 04/05/2001 | WO2001023624A1 Sheet steel and method for producing sheet steel |
| 04/05/2001 | WO2000065103A3 Method of producing non-grain-oriented electrical sheet |
| 04/04/2001 | EP1088905A1 Very thin 2-piece container steel sheet excellent in pucker resistance at neck diameter reduction and in earing and production method therefor |
| 04/04/2001 | EP1088902A1 Process for manufacturing aging-resistant aluminium killed steel strip |
| 04/04/2001 | EP0789089B1 High-nickel austenitic stainless steel resistant to degradation caused by neutron irradiation |