| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
|---|
| 03/04/2009 | CN101376950A Superhigh intensity cold rolling weather resisting steel plate and manufacturing method thereof |
| 03/04/2009 | CN101376947A High strength X90 pipeline steel and production method thereof |
| 03/04/2009 | CN101376946A Steel for 110ksi steel grade straight welding petroleum casing pipe, casing tube and manufacturing method |
| 03/04/2009 | CN101376945A 2000MPa grade superhigh intensity high tenacity steel plate and manufacturing method thereof |
| 03/04/2009 | CN101376944A High-strength high-tensile ratio cold-rolled steel sheet and manufacturing method thereof |
| 03/04/2009 | CN101376943A Steel for 80ksi steel grade straight welding petroleum casing pipe, casing tube and manufacturing method |
| 03/04/2009 | CN101376942A Preparation of manganese series water quenching bainite steel |
| 03/04/2009 | CN100465322C A superlow carbon baking hardened steel plate added with Ti and V and a manufacturing method thereof |
| 03/04/2009 | CN100465321C A steel for cooling-controlsteels with trace niobium and a production method thereof |
| 03/04/2009 | CN100465300C A production method of stainless steel bands for air injection steel reeds |
| 03/04/2009 | CN100465299C A method for producing cold rolled steel strips with a dual phase ferrite/martensite structure and the strips thereby |
| 03/03/2009 | CA2474009C Method for producing coated steel sheet |
| 02/26/2009 | WO2009025314A1 High-strength low-alloy steel excellent in the resistance to high-pressure hydrogen environment embrittlement and process for manufacturing the steel |
| 02/26/2009 | WO2009024472A1 Method for producing a surface-decarbonized hot-rolled strip |
| 02/26/2009 | US20090053097 Fire-Resistant Steel Material Superior in Haz Toughness of Welded Joint and Method of Production of Same |
| 02/26/2009 | US20090050241 Steel superior in machinability and method of production of same |
| 02/25/2009 | EP2028289A1 Textured substrate for epitaxial film formation and surface improving method of textured substrate for epitaxial film formation |
| 02/25/2009 | EP2028284A1 High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof |
| 02/25/2009 | EP2028282A1 Dual-phase steel, flat product made of such dual-phase steel and method for manufacturing a flat product |
| 02/25/2009 | EP1002884B1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
| 02/25/2009 | CN101374966A Process for manufacturing an airbag inflator bottle member |
| 02/25/2009 | CN101372734A Martensite stainless steel and manufacturing method thereof |
| 02/25/2009 | CN101372732A Preparation technique of martensite sterilizing stainless steel |
| 02/25/2009 | CN101372020A Method for preparing U-shaped seamless steel pipe of high-pressure feedwater heater |
| 02/25/2009 | CN100463999C Stainless steel wire for spoke use and producing method thereof |
| 02/25/2009 | CN100463995C Low-carbon tungsten-system bainite steel and its manufacture |
| 02/25/2009 | CN100463993C Low carbon equivalent micro-alloy steel pipe and on-line normalizing process thereof |
| 02/25/2009 | CN100463992C Forged (rolled) abrasive austenic permanganic steel and its manufacture |
| 02/25/2009 | CN100463979C Manufacturing method of cold rolling electric steel special for compressor |
| 02/25/2009 | CN100463978C Method for increasing toughness of low temperature steel plate |
| 02/24/2009 | US7494551 steel sheet consists essentially of 0.05 to 0.15% C, 0.5% or less Si, 1.00 to 2.00% Mn, 0.09% or less P, 0.01% or less S, 0.005% or less N, 0.01 to 0.1% Sol.Al, and balance of Fe and inevitable impurities; and contains 60% or more polygonal ferrite by volume, and 5 to 30% martensite by volume. |
| 02/19/2009 | WO2009021898A1 Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 02/19/2009 | WO2009021897A1 Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 02/19/2009 | WO2008145871A3 Process for manufacturing cold-rolled and annealed steel sheets with very high strength, and sheets thus produced |
| 02/19/2009 | US20090045557 Method of Arranging and Setting Spray Cooling Nozzles and Hot Steel Plate Cooling Apparatus |
| 02/19/2009 | US20090044881 Reheating to solid solution temperature of inhibitor substances, hot rolling, annealing, cold rolling, decarburization, annealing, nitriding in strip running state, coating annealing separator; for use as a core of a transformer |
| 02/19/2009 | DE102007039096A1 Method for hot-forming and hardening a sheet metal component in an extrusion press tool, comprises introducing a heated sheet metal section in the opened cooled extrusion press tool between a stencil and a stamp, and closing the press tool |
| 02/18/2009 | EP2025770A1 Ni-reduced austenite stainless steel |
| 02/18/2009 | EP2025767A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 02/18/2009 | EP2025766A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 02/18/2009 | CN101370947A Method and device for the continuous creation of a bainite structure in a carbon steel, especially a strip steel |
| 02/18/2009 | CN101368275A 42CrMoE thermal treatment technique |
| 02/18/2009 | CN101368251A Steel plate for large-thickness hydrogen-contacting equipment and its production technology |
| 02/18/2009 | CN101368246A Method for producing orientation silicon steel with medium-thin plate blank |
| 02/18/2009 | CN101368243A Production method for magnetic refrigeration working medium material Y2Fe17 at room temperature |
| 02/18/2009 | CN101367096A Manufacture process for ¡®D¡¯ shaped section brass pipe for ultra low temperature refrigeration |
| 02/18/2009 | CN101367094A Combined control rolling process for hot-rolled steel bar with rib |
| 02/18/2009 | CN101367093A Cooling controlling and rolling controlling process for hot-rolled steel bar with rib |
| 02/18/2009 | CN100462469C Cold and hot shearing edge steel for shearing thick plate |
| 02/18/2009 | CN100462466C Method of producing low-temperature high-toughness steel and steel plate |
| 02/17/2009 | US7491891 copper, copper alloy, aluminum, aluminum alloy, carbon, nitrogen, manganese, chromium, nickle, iron; wire being twisted together, drawn, adjusted to predetermined diameter; heat-treated; automotive electric wires |
| 02/17/2009 | US7491276 Production method and installation for producing thin flat products |
| 02/17/2009 | CA2379698C Cold rolled steel sheet and galvanized steel sheet having strain age hardenability |
| 02/17/2009 | CA2301597C Hot rolling high-strength steel structural members |
| 02/12/2009 | WO2009018803A1 Method for joining and joined connection of two components made of a metal material with strengthening anf heat treatment of at least a part of at least one component before joining |
| 02/12/2009 | US20090039714 Magnetostrictive FeGa Alloys |
| 02/12/2009 | US20090038718 Process for the manufacture of a containment device and a containment device manufactured thereby |
| 02/12/2009 | US20090038716 Steel sheet for tin plated steel sheet and tin-free steel sheet each having excellent formability and manufacturing method thereof |
| 02/12/2009 | CA2695566A1 Method for joining and joined connection of two components made of a metal material |
| 02/11/2009 | EP2022874A1 Directional electromagnetic steel sheet having high tension insulating coating film and method for processing the insulating coating film |
| 02/11/2009 | EP2022867A1 Spring wire rod excelling in fatigue characteristics |
| 02/11/2009 | EP2022866A1 Steel pipe as fuel injection pipe |
| 02/11/2009 | EP1601809A4 Method for the production of dual phase sheet steel |
| 02/11/2009 | CN101365812A Method for producing a cold-rolled strip from stainless steel with a ferritic structure and a reduced susceptibility to ridging |
| 02/11/2009 | CN101363102A TRIP steel sheet for high strength cold rolled continuous annealing and preparation method thereof |
| 02/11/2009 | CN101363101A Large thickness quenched high strength steel and production method thereof |
| 02/11/2009 | CN101363099A Cold rolled dual-phase sheet steel with 1000MPa grade tensile strength and preparation method thereof |
| 02/11/2009 | CN101363076A Technique for preparing high strength steel plate |
| 02/11/2009 | CN100460550C Sea water corrosion resistant steel for ocean drilling/production platform and preparation method thereof |
| 02/11/2009 | CN100460549C Process of producing hot rolled steel plate for cold formation |
| 02/11/2009 | CN100460527C Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
| 02/10/2009 | US7488396 Ratio of Mn to S is 1.2-2.8; area ratio of pearlite over a grain size of 1 mu m in steel microstructure is not more than 5%; improved tool life and cut surface roughness at the time of cutting and chip disposal |
| 02/05/2009 | WO2009018522A1 High hardness, high toughness iron-base alloys and methods for making same |
| 02/05/2009 | WO2009017256A1 High-strength steel sheet |
| 02/05/2009 | WO2009017177A1 Hot-rolled shape steel for ships and process for manufacturing the same |
| 02/05/2009 | WO2008145327A8 Process for producing a locally hardened profile component, locally hardened profile component and use of a locally hardened profile component |
| 02/05/2009 | US20090033007 Martensitic stainless steel tube and manufacturing method thereof |
| 02/05/2009 | US20090032142 Method of Producing Grain-Oriented Electrical Steel Sheet Very Excellent in Magnetic Properties |
| 02/05/2009 | CA2694052A1 High hardness, high toughness iron-base alloys and methods for making same |
| 02/05/2009 | CA2693489A1 High-strength steel sheet |
| 02/04/2009 | CN101358325A Method for preparing deep drawing molybdenum belt |
| 02/04/2009 | CN101358323A Seamless steel tube for 27SiMnB steel, cylinder and production method thereof |
| 02/04/2009 | CN101358320A Steel for controlled rolling and controlled cooling platform and production method thereof |
| 02/04/2009 | CN101358319A Low carbonaceous steel plate for 610MPa grade high strength pressure vessels and production method thereof |
| 02/04/2009 | CN101358318A Ingredient design of good combination property and non-oriented electrical steel and preparation method |
| 02/04/2009 | CN101358317A Method for preparing high silicium calcareous non-oriented electrical steel |
| 02/04/2009 | CN101358315A Technique for preparing high strength and superfine steel reinforcement |
| 02/04/2009 | CN101358274A Levelling method of non-oriented electrical steel |
| 02/04/2009 | CN101358273A Method for producing low-temperature oriented electrical steels |
| 02/04/2009 | CN101358272A Method for preparing high grade non-oriented electrical steel adding rare earth cerium |
| 02/04/2009 | CN100457926C High-strength low-alloy steel temperature control plate blank acceleration cooling system |
| 02/03/2009 | US7485197 Method for manufacturing martensitic stainless steel tube |
| 02/03/2009 | US7485195 High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same |
| 02/03/2009 | US7485194 By properly adjusting components steel is obtained with a dual phase microstructure mainly composed of ferrite and martensite to lower the mechanical characteristics, particularly the yield ratio; small arithmetic mean roughness; no die-galling occurs during press forming |
| 02/03/2009 | CA2279120C Composite wire containing a carbon-based steel core and a stainless steel external layer |
| 01/29/2009 | WO2009014238A1 Steel pipes excellent in deformation characteristics and process for manufacturing the same |
| 01/29/2009 | WO2009014001A1 Process for production of duplex stainless steel tubes |
| 01/29/2009 | WO2009014000A1 Process for production of high alloy steel tubes |
| 01/29/2009 | WO2009012963A1 Process and device for producing strips of silicon steel or multiphase steel |
| 01/29/2009 | WO2007144516A9 Duplex stainless steel |