| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
|---|
| 04/13/2006 | US20060076084 melting alloy raw materials at 1,200 to 1,800 degrees C. and solidifying by rapidly quenching the molten metal produced through the above step to thereby form the RE-containing alloy |
| 04/13/2006 | DE10257967B4 Verwendung einer Chrom-Stahllegierung Using a chromium steel alloy |
| 04/12/2006 | EP1644540A2 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 04/06/2006 | WO2006037093A2 Low cost amorphous steel |
| 04/06/2006 | WO2006035667A1 Stainless steel sheet for gasket and method for producing same |
| 04/06/2006 | WO2004108970A3 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 03/29/2006 | EP1639143A2 Process for improving the corrosion resistance of metals |
| 03/22/2006 | EP1469954B1 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 03/22/2006 | EP1456431B1 Grain refinement of alloys using magnetic field processing |
| 03/15/2006 | EP1546416B1 Cast exhaust system |
| 03/15/2006 | CN1245269C Method for producing angular, stainless shot-blasting abrasives based on Fe-Cr-C alloy |
| 03/02/2006 | WO2006022247A1 Method of manufacturing metal gasket |
| 03/01/2006 | EP1629127A1 Fe-ni alloy metal wire having a high mechanical strength and a low thermal expansion co-efficient, which is intended for high voltage cables, and production method thereof |
| 03/01/2006 | CN1742109A Method for the production of dual phase sheet steel |
| 03/01/2006 | CN1741205A Amorphous alloys for magneto-acoustic markers by annealing processing |
| 03/01/2006 | CN1243639C Method for producing dimensionally stable iron-chrome-aluminum film and application thereof |
| 02/23/2006 | US20060037669 Method for manufacturing stainless steel product by nitrogen absorption treatment and stainless steel product produced by the method |
| 02/21/2006 | CA2376988C Metal gasket and method of manufacture |
| 02/15/2006 | EP1626101A1 High-nitrogen austenitic stainless steel |
| 02/15/2006 | EP1626097A1 Steelmaking process |
| 02/15/2006 | CN1735698A Surface modified precipitation hardened stainless steel |
| 02/01/2006 | CN1729306A High-strength martensitic stainless steel with excellent resistances to carbon dioxide gas corrosion and sulfide stress corrosion cracking |
| 02/01/2006 | CN1239730C Metal frame for electronic hardware and flat panel displays |
| 01/31/2006 | CA2370291C Methods of forming steel |
| 01/26/2006 | WO2006008960A1 Component for machine structure, method for producing same, and material for high-frequency hardening |
| 01/26/2006 | US20060016517 Grain refinement of alloys using magnetic field processing |
| 01/25/2006 | EP1198603A4 Free-machining steels containing tin, antimony, and/or arsenic |
| 01/25/2006 | CN1238142C Method for producing sintered metal |
| 01/19/2006 | US20060011274 Method for producing steel with retained austenite |
| 01/12/2006 | WO2005100618A3 Forged or stamped average or small size mechanical part |
| 01/11/2006 | EP1614761A1 Steel material with excellent rolling fatigue life and method of producing the same |
| 01/11/2006 | CN1718832A 600MPa grade low temperature high toughness weather corrosion resistant steel and its production method |
| 01/11/2006 | CN1718829A Martensite wear resistant cast steel with film austenic toughened and its manufacturing method |
| 01/11/2006 | CN1718828A Low carbon high sulfur phosphorus easy cutting steel |
| 01/11/2006 | CN1718826A Modified steel and its production method |
| 01/11/2006 | CN1718824A Processing method of material for liquid alkali nickel containing ductile iron valve |
| 01/11/2006 | CN1718821A Processing method of special valve material for chlorine gas |
| 01/11/2006 | CN1718791A Method of preparing stainless steel composite material |
| 01/11/2006 | CN1236094C Heat-treated steel wire for high strength spring |
| 01/11/2006 | CN1236093C Ferritic stainless steel sheet excellent in press formability and workability and method for production thereof |
| 01/05/2006 | US20060000526 Martensitic stainless steel in annealed state; continuous processed groove is formed by thermal energy in a longitudinal direction at a splitting portion of steel strip for razor blades on one edge side of strip, and continuous changed structure area is formed in longitudinal direction on opposite edge |
| 01/04/2006 | CN1717755A R-T-B sintered magnet and process for producing the same |
| 01/04/2006 | CN1716465A Method for producing iron base rare earth isotropy nano composite magnet |
| 01/04/2006 | CN1234885C Ferromagnetic amorphous metallic alloy and annealing method |
| 12/29/2005 | WO2005123975A2 Steel with high mechanical strength and wear resistance |
| 12/29/2005 | CA2565162A1 Steel with high mechanical strength and wear resistance |
| 12/22/2005 | US20050279434 Spring element made from a ferritic chromium steel |
| 12/22/2005 | US20050279425 Ferritic stainless steel which can be used for ferromagnetic parts |
| 12/21/2005 | CN1232376C Method for making nano-grade metal powder and method for making high-frequency soft magnetic core using same |
| 12/15/2005 | WO2005118904A2 Case hardened stainless steel oilfield tool |
| 12/14/2005 | EP1511867B1 Method and device for continuous annealing metallic ribbons |
| 12/13/2005 | US6974506 Controlling heating, cooling; transformation; controlling particle sizes |
| 12/08/2005 | US20050269074 Case hardened stainless steel oilfield tool |
| 12/08/2005 | US20050268990 Carbo-nitrided case hardened martensitic stainless steels |
| 12/08/2005 | US20050268989 R-t-b sintered magnet and process for producing the same |
| 12/07/2005 | EP1602744A1 Carbo-nitrided case hardened martensitic stainless steels |
| 12/07/2005 | EP1602742A1 High-strength steel for large-scaled forging, and crankshaft |
| 12/07/2005 | EP1601809A1 Method for the production of dual phase sheet steel |
| 12/07/2005 | CN1705761A Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material |
| 12/07/2005 | CN1230568C Cold work steel |
| 12/01/2005 | US20050263221 Alloy composition and process for the manufacture of glass making moulds |
| 11/30/2005 | EP1599611A1 Surface modified precipitation hardened stainless steel |
| 11/24/2005 | US20050257861 Dual seam-welded air hardenable steel tubing and structural members |
| 11/24/2005 | US20050257857 Surface on a stainless steel matrix |
| 11/23/2005 | EP1427866B1 Method for making rolled and welded tubes comprising a final drawing or hydroforming step and resulting rolled tube |
| 11/22/2005 | US6966954 Nitriding surfaces; hardness; controlling microstructure |
| 11/22/2005 | CA2316771C Heat resistant cr-mo alloy steel |
| 11/17/2005 | US20050252577 Casting an alloy of Nickel, Carbon, Silicon, Manganese, Phosphorus, Sulfur, Oxygen, Aluminum, iron into a slab, subjecting to a homogenizing heat treatment and further to a hot rolling; magnetic head, a magnetic shielding material, an iron core of a transformer |
| 11/15/2005 | CA2378934C High-strength micro-alloy steel and process for making same |
| 11/15/2005 | CA2131409C Heat treated stainless steel needles and methods of making same |
| 11/10/2005 | WO2005105343A1 Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
| 11/10/2005 | US20050247377 Rolling elements |
| 11/09/2005 | CN1226587C Opening method and apparatus for metal material cryogenic treating case door |
| 11/09/2005 | CN1226441C Reinforced durable tool steel method for the production thereof method for producing parts made of said steel and parts thus obtained |
| 11/03/2005 | US20050241734 Rolling elements |
| 11/03/2005 | DE19546583B4 Stangenendlager für Luftfahrzeuge Rod End Bearings for aircraft |
| 11/03/2005 | DE19505955B4 Nichtrostender Bandstahlen hoher Festigkeit und Zähigkeit und Verfahren zum Herstellen desselben Of the same stainless steels band high strength and toughness and methods of making |
| 11/02/2005 | EP1591547A1 Steel strip for a replacement blade and manufacturing method therefor |
| 11/02/2005 | EP1198605B8 Methods of forming steel |
| 11/02/2005 | EP1122327B1 Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube |
| 11/02/2005 | CN1692171A Method for producing oxidation-resistant high Cr ferritic heat resistant steel |
| 11/02/2005 | CN1690240A Ferritic and martensitic stainless steels excellent in machinability |
| 11/02/2005 | CN1690238A Ferrous abrasion resistant sliding material |
| 11/01/2005 | CA2152990C Rod end bearing for aircraft use |
| 10/27/2005 | WO2005100618A2 Forged or stamped average or small size mechanical part |
| 10/27/2005 | US20050236072 Ferrous abrasion resistant sliding material |
| 10/27/2005 | US20050236070 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 10/26/2005 | EP1589544A1 Hard magnetic composition, permanent magnet powder, method for permanent magnet powder, and bonded magnet |
| 10/26/2005 | EP1481109B1 Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel |
| 10/20/2005 | WO2005098067A1 Ferritic stainless steel sheet excellent in formability and method for production thereof |
| 10/19/2005 | CN1683583A Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength |
| 10/18/2005 | CA2295881C Method for producing ultra-high strength, weldable steels with superior toughness |
| 10/13/2005 | CA2561703A1 High strength steel |
| 10/12/2005 | EP1584699A1 High-strength martensitic stainless steel with excellent resistances to carbon dioxide gas corrosion and sulfide stress corrosion cracking |
| 10/12/2005 | CN1680612A Ferrous abrasion resistant sliding materials and sliding members |
| 10/12/2005 | CN1222632C Ferritic heat-resistant steel and method for production thereof |
| 10/06/2005 | WO2005093114A1 Uphill method for the heat treatment and reduction of internal stresses of cast parts produced from a light metal melt, especially an aluminium melt |
| 10/06/2005 | US20050217765 Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength |
| 10/06/2005 | US20050217764 Ferrous abrasion resistant sliding materials and sliding members |
| 10/06/2005 | CA2529019A1 Uphill method for the heat treatment and reduction of internal stresses of cast parts produced from a light metal melt, especially an aluminium melt |