| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 03/30/2011 | CN101993983A Annealing method for improving machinability of martensitic stainless steel cast |
| 03/30/2011 | CN101532963B Method for observing transformation surface relief of eutectoid steel pearlite by confocal laser microscope |
| 03/29/2011 | US7914630 Method for producing mat-surfaced austenitic stainless steel strips |
| 03/24/2011 | US20110067788 Processes for reducing flatness deviations in alloy articles |
| 03/24/2011 | DE112007003026B4 Verfahren zur Herstellung eines Glas-Formwerkzeugs A process for producing a glass-forming die |
| 03/23/2011 | CN201773100U Neodymium-ferrum-boron (Nd-Fe-B) alloy secondary aging simple temperature finding device |
| 03/23/2011 | CN101591727B Heat treatment method for low-carbon alloy steel forging blank |
| 03/16/2011 | EP2295777A1 Internal engine piston and its production method |
| 03/16/2011 | EP1650320B1 Method for producing steel for hydrogen gas environment |
| 03/15/2011 | CA2424074C Steel and method for producing an intermediate product |
| 03/03/2011 | WO2011024580A1 ALLOY COMPOSITION, NANOCRYSTALLINE Fe ALLOY, AND PREPARATION METHOD THEREFOR |
| 03/03/2011 | US20110048583 Hardened martensitic steel, method for producing a component from this steel and component obtained in this manner |
| 02/16/2011 | CN101978088A Steel, process for the manufacture of a steel blank and process for the manufacture of a component of the steel |
| 02/10/2011 | WO2011016275A1 Fe-based amorphous alloy, dust core formed using the fe-based amorphous alloy, and dust core with embedded coil |
| 02/09/2011 | CN101967542A Toughness process method of 42CrMo material |
| 02/03/2011 | WO2011013361A1 Treatment liquid for forming protective film for steel member having nitrogen compound layer, and compound layer protective film |
| 02/03/2011 | WO2011013360A1 Treatment liquid for forming protective film for steel member having nitrogen compound layer, and compound layer protective film |
| 02/02/2011 | EP2280089A1 Duplex stainless steels |
| 02/01/2011 | CA2584455C Method for production of sheets of austenitic iron/carbon/manganese steel and sheets produced thus |
| 01/27/2011 | US20110017365 Alloy and method for producing alloy |
| 01/26/2011 | EP2278036A1 Ferritic stainless steel having high temperature creep restistance |
| 01/26/2011 | EP2278035A1 High strength low alloy steel with excellent environmental embrittlement resistance in high pressure hydrogen environments, and method of manufacture thereof |
| 01/26/2011 | CN101960024A Austenitic stainless steel and process for hydrogen removal thereof |
| 01/25/2011 | US7875134 Weighing 94-98% by weight of an iron/chromium/carbon alloy and 2-6% by weight of a titanium/aluminu/vanadium alloy as raw material; melting and tapping at 1600-1800 degrees C., followed by casting in a mold; environmentally friendly; titanium recycling/waste; renewable resources; cost efficiency |
| 01/13/2011 | US20110005645 Austenitic stainless steel, and method for removing hydrogen therefrom |
| 01/12/2011 | EP2272995A1 A manufacturing method of oriented si steel with high electric-magnetic property |
| 01/06/2011 | WO2011001126A1 Cryogenic treatment of martensitic steel with mixed hardening |
| 01/06/2011 | WO2011001124A1 Method for producing martensitic steel with mixed hardening |
| 01/06/2011 | CA2766788A1 Cryogenic treatment of martensitic steel with mixed hardening |
| 01/06/2011 | CA2766779A1 Method for producing martensitic steel with mixed hardening |
| 01/04/2011 | US7862666 stainless steel seamless linepipe has excellent corrosion resistance and resistance to sulfide stress cracking, suitable for linepipes transporting crude oil or natural gas produced from oil wells or gas wells under extremely corrosive environments containing carbon dioxide gas, chlorine ion; mixed phase |
| 12/29/2010 | WO2010150636A1 Heat-resistant component for chemical processing apparatus and method for producing same |
| 12/29/2010 | WO2010149561A1 Method for producing a hot press cured component, use of a steel product for producing a hot press cured component, and hot press cured component |
| 12/29/2010 | EP2267177A1 High-strength steel plate and process for producing same |
| 12/29/2010 | EP1490187B1 A method for manufacturing an ultra-high-tensile, stretch formed or stretch bent sheet metal product of steel |
| 12/29/2010 | CN101933103A Powder for magnetic core, powder magnetic core, and their production methods |
| 12/29/2010 | CN101932736A Process for manufacturing martensite stainless steel pipe |
| 12/23/2010 | WO2010146999A1 FERRITIC Cr-STEEL FOR HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME, AND HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME |
| 12/23/2010 | WO2010146535A2 High ballistic strength martensitic armour steel alloy |
| 12/23/2010 | US20100319650 Functionally graded powder metal components |
| 12/23/2010 | DE10110954B4 Verfahren zur Herstellung von Werkstücken, insbesondere von Leitwerken für Flugkörper A process for the production of workpieces, in particular of tail units for missiles |
| 12/22/2010 | CN101921944A High-vanadium anti-wear alloy and production method thereof |
| 12/22/2010 | CN101560592B Circulating phase-transition crystal grain thinning technology of micro-boron cobalt-free maraging steel |
| 12/22/2010 | CN101487103B Vanadium niobium composite alloying cold working die steel and preparation thereof |
| 12/21/2010 | US7854884 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 12/21/2010 | US7854809 Heat treatment system for a composite turbine engine component |
| 12/16/2010 | WO2010119179A3 Method for manufacturing a mill lining element and the use of such element |
| 12/15/2010 | EP2261385A1 Thin strip of amorphous alloy, nanocrystal soft magnetic alloy, and magnetic core |
| 12/15/2010 | CN1710227B Method for manufacturing lock shaft parts for container |
| 12/15/2010 | CN101914663A Liquid nitrogen refrigerating type subzero treating device and temperature detecting control method |
| 12/15/2010 | CN101914662A Thermal treatment method for obtaining nanometer strengthening phase by HR3C austenitic heat-resistance steel |
| 12/15/2010 | CN101418368B Heat treating process for eliminating mixed crystal of low-alloy quick-cutting steel |
| 12/14/2010 | US7849599 Imputing strength gradient in pressure vessels |
| 12/14/2010 | CA2355797C Process of treating a stainless steel matrix |
| 12/08/2010 | CN101538682B Method for manufacturing martensitic stainless steel |
| 12/08/2010 | CN101509057B Full-technique non-oriented electrical steel continuous annealing test method |
| 12/02/2010 | US20100300585 Low-density steel having good drawability |
| 12/02/2010 | US20100300148 Tough iron-based bulk metallic glass alloys |
| 12/01/2010 | EP2164998B1 Hardened martensitic steel having a low or zero content of cobalt, process for manufacturing a part from this steel, and part thus obtained |
| 12/01/2010 | EP2155916B1 Low density steel with good stamping capability |
| 12/01/2010 | CN101899553A Heat treatment technology and device of wear-resistant alloy cast steel |
| 12/01/2010 | CN101899552A Heat treatment equipment of antifriction alloy cast steel |
| 12/01/2010 | CN101899551A Heat treatment technology of wear-resistant alloy cast steel |
| 11/25/2010 | US20100294402 Ferrite-austenite stainless steel sheet for structural component excellent in workability and impact-absorbing property and method for producing the same |
| 11/24/2010 | EP2253727A1 Powder for iron-based sintered alloy |
| 11/24/2010 | EP2252717A1 Steel, process for the manufacture of a steel blank and process for the manufacture of a component of the steel |
| 11/24/2010 | CN101892430A High corrosion resistance precipitation hardened martensitic stainless steel |
| 11/23/2010 | US7837810 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 11/17/2010 | EP2250293A2 Lower-cost, ultra-high-strength, high-toughness steel |
| 11/17/2010 | CN1942596B Austenitic stainless steel, method for producing same and structure using same |
| 11/17/2010 | CN101316674B Process for producing rare-earth permanent magnet material |
| 11/17/2010 | CN101146917B Method of manufacturing martensitic stainless steel |
| 11/17/2010 | CN101090987B High-strength four-phase steel alloys |
| 11/11/2010 | US20100282377 Methods for treating high-strength, low-alloy steel |
| 11/11/2010 | US20100282372 High-strength stainless steel material and production process of the same |
| 11/10/2010 | EP2248918A1 Austenitic stainless steel and process for hydrogen removal thereof |
| 11/09/2010 | US7827883 Cutting die and method of forming |
| 11/04/2010 | WO2010125841A1 Ferritic heat-resistant cast steel and exhaust system component |
| 11/03/2010 | CN101876030A Low alloy steel used for making track board of crawling crane and preparation method thereof |
| 11/03/2010 | CN101876026A ADI (Austempered Ductile Iron) piece with high toughness and high strength and manufacturing method thereof |
| 11/03/2010 | CN101263233B Method for production of sheets of austenitic iron/carbon/manganese steel and sheets produced thus |
| 10/28/2010 | US20100269961 Method and apparatus for making high strength metals with a face-centered-cubic structure |
| 10/27/2010 | EP2243854A1 ALLOY COMPOSITION, Fe-BASED NANOCRYSTALLINE ALLOY AND MANUFACTURING METHOD THEREFOR, AND MAGNETIC COMPONENT |
| 10/21/2010 | WO2010119179A2 Method for manufacturing a mill lining element and the use of such element |
| 10/21/2010 | US20100265028 Soft magnetic alloy and uses thereof |
| 10/21/2010 | US20100263771 Steel wire rod for bearing steel, manufacturing method of steel wire rod for bearing steel, heat treatment method of steel bearing, steel bearing and soaking method of bearing steel |
| 10/21/2010 | US20100263770 Flash tempering process and apparatus |
| 10/20/2010 | EP2240618A1 High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof |
| 10/06/2010 | CN101855370A Method of heat-treating steel, process for producing machine part, and machine part |
| 09/30/2010 | WO2010110041A1 High-strength and high-ductility steel for spring, method for producing same, and spring |
| 09/30/2010 | WO2010109850A1 Composite magnetic material |
| 09/30/2010 | US20100243110 Weldable steel of high strength and high toughness, and method of producing members using the same |
| 09/23/2010 | WO2010106964A1 Rare earth permanent magnet and method for producing same |
| 09/23/2010 | WO2010074710A3 Superaustenitic stainless steel and method of making and use thereof |
| 09/23/2010 | US20100237548 Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment |
| 09/21/2010 | CA2443545C Method of producing stainless steels having improved corrosion resistance |
| 09/16/2010 | WO2010102595A1 Method for producing a hot rolled strip and hot rolled strip produced from ferritic steel |
| 09/16/2010 | US20100230015 Lower-cost, ultra-high-strength, high-toughness steel |
| 09/15/2010 | EP2228459A1 Component with different stability characteristics |
| 09/14/2010 | US7794651 molybdenum is completely or partially replaced with double the proportion of tungsten; added titanium and/or zirconium which is/are intended to form, substantially during solidification, coarse carbides; reducing the segregated seams |