| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 05/20/2009 | EP2060643A1 Steel excelling in toughness at region affected by welding heat |
| 05/20/2009 | EP2060641A1 Austenite-base stainless steel pipe, for boiler, having excellent high-temperature steam oxidation resistance |
| 05/20/2009 | EP2059623A1 Rustproof austenitic cast steel, method for production and use thereof |
| 05/20/2009 | DE102008050315A1 mandatory TITLE MAX 240 characters subject of the invention and main use. Spelling American, no full stop |
| 05/20/2009 | CN101435050A Low temperature tenacity excellent low yield ratio high intensity steel plate for welding heat influenced part and mother plate, and manufacturing method thereof |
| 05/20/2009 | CN100489121C Controlled cooling process and water cooler for high carbon and chromium bearing steel pipe blank after hot rolling |
| 05/19/2009 | US7534312 Steel plate exhibiting excellent workability and method for producing the same |
| 05/19/2009 | CA2310335C High strength thin steel sheet, high strength galvannealed steel sheet and manufacturing method thereof |
| 05/14/2009 | WO2009062196A2 Amorphous alloy materials |
| 05/14/2009 | WO2009061006A1 Steel plate for line pipes and steel pipes |
| 05/14/2009 | US20090120542 Iron-nickel alloy strip for the manufacture of support grids for the integrated circuits |
| 05/14/2009 | US20090120541 High-Strength Steel Plate, Method of Producing the Same, and High-Strength Steel Pipe |
| 05/14/2009 | US20090120272 Safety Armor for Protection Against Gunfire and Process for Producing it |
| 05/13/2009 | CN101432450A Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 05/13/2009 | CN101429620A Phosphor intensified twin crystal inducement plastic steel material and its production technique |
| 05/13/2009 | CN101429590A Process for producing twin crystal inducement plastic steel material with high carbon content |
| 05/13/2009 | CN101429589A High-strength abrasion-proof steel plate capable of soldering without thermal treatment and method of producing the same |
| 05/13/2009 | CN101428386A GCr15 ferrule cold-punching molding method |
| 05/12/2009 | US7531053 Fuel cell produced using a metallic material and its method of making |
| 05/12/2009 | US7531052 Continuous processed groove, formed by thermal energy in a longitudinal direction on one side of the strip at a position at a predetermined distance from one edge; and a continuous changed structure area formed by thermal energy in a longitudinal direction on the opposite side of the strip |
| 05/12/2009 | CA2458156C Device for processing a metal slab, plate or strip, and product produced using this device |
| 05/07/2009 | WO2009057911A1 A cold rolledsteel sheet and method for manufacturing the same |
| 05/07/2009 | WO2009057731A1 Martensitic non-heat-treated steel for hot forging and non-heat-treated steel hot forgings |
| 05/07/2009 | WO2007132436A3 Process for the production of fine-grained carbon steel strips and strips thus obtainable |
| 05/07/2009 | US20090116991 NOVEL Fe-Al ALLOY AND METHOD FOR PRODUCING THE SAME |
| 05/07/2009 | DE102005001829B4 Verfahren zum Umformen einer Platine Method for forming a circuit board |
| 05/06/2009 | EP2055798A1 Tool steel and manufacturing method thereof |
| 05/06/2009 | EP2055797A1 Iron-based alloy and process for producing the same |
| 05/06/2009 | EP2003215A9 Method for production of martensitic stainless steel pipe |
| 05/06/2009 | EP1848866A4 A reinforcing bar |
| 05/06/2009 | CN101426943A Plated steel wire for PWS excelling in torsion property and process for producing the same |
| 05/06/2009 | CN101426594A Process for producing stainless-steel pipe |
| 05/06/2009 | CN101423915A Reinforcement steel bar for medium-high strength hoop for rods for reinforcing concrete and method for producing the same |
| 05/06/2009 | CN101423884A Method for producing high-manganses wear resistant steel plate and steel plate produced thereby |
| 05/06/2009 | CN100485078C Pipe for petroleum product, gas product and product pipelines, and method for the production thereof |
| 05/06/2009 | CN100485074C Continuous casting and rolling process for producing IF steel form thin slab |
| 05/06/2009 | CN100485073C Production process of punch level cold rolled steel plate based on CSP technology |
| 05/06/2009 | CN100485051C High-damp endogenesis composite steel plates and production thereof |
| 05/05/2009 | US7527700 High strength hot rolled steel sheet and method for manufacturing the same |
| 05/05/2009 | CA2276911C Coated hot and cold rolled sheet steel presenting high strength qualities following thermal processing |
| 04/30/2009 | US20090107591 High-Tensile Steel Plate of Low Acoustic Anisotropy and High Weldability Having Yield Stress of 450 MPa or Greater and Tensile Strength of 570 MPa or Greater, and Process for Producing the Same |
| 04/30/2009 | US20090107588 Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced |
| 04/29/2009 | CN201227641Y Cold rolling ribbed bar continuous production apparatus |
| 04/29/2009 | CN101418422A Free-cutting steel and method for producing the same |
| 04/29/2009 | CN101418420A GH2674 alloy |
| 04/29/2009 | CN101418418A Low welding crack sensitivity steel plate with yield strength of 690MPa grade and method for producing the same |
| 04/29/2009 | CN101418417A Wide heavy standard high strength ship plate steel and technique for producing the same |
| 04/29/2009 | CN101418416A Low welding crack sensitivity steel plate with yield strength of 800MPa grade and method for producing the same |
| 04/29/2009 | CN100482839C Manufacture method for obtaining superfine crystal grain steel |
| 04/29/2009 | CN100482823C Method for preparing micro-grain tin bronze alloy |
| 04/29/2009 | CN100482812C Rail heat processing method and rail heat processing unit |
| 04/28/2009 | US7524384 Having a higher percentage elongation but equal maximum rupture strength formed by hot rolling, cold rolling and annealing in a continuous, cyclic process until pearlitic transformation is reached |
| 04/28/2009 | US7523631 Cooling device, manufacturing method, and manufacturing line for hot rolled steel band |
| 04/23/2009 | US20090101249 Method of making a hardened sheet metal part |
| 04/23/2009 | US20090101248 Grain-Oriented Electrical Steel Sheet and Process for Producing the Same |
| 04/23/2009 | US20090101246 Induction Hardening Method And Jig Used In Induction Hardening Process |
| 04/23/2009 | US20090101245 Method for Surface Cooling Steel Slabs to Prevent Surface Cracking, and Steel Slabs Made by That Method |
| 04/23/2009 | US20090101239 Method for processing metal body and apparatus for processing metal body |
| 04/22/2009 | EP2051330A1 Antenna core and antenna |
| 04/22/2009 | EP2050833A1 High-tension welded steel pipe for automotive structural member and process for producing the same |
| 04/22/2009 | EP2050832A1 Two-phase stainless steel |
| 04/22/2009 | EP2049700A1 Process for manufacturing steel blanks |
| 04/22/2009 | EP0985743B1 Method of forming an insulating film on a magnetic steel sheet |
| 04/22/2009 | CN101415847A Method for producing grain-oriented magnetic steel plate |
| 04/22/2009 | CN101415846A Method and device adjusting targeted combinations of properties of polyphase steel |
| 04/22/2009 | CN101415549A Soft magnetic metal strip laminate and process for production thereof |
| 04/22/2009 | CN101413090A High-strength high-toughness X80 hot rolling coiled sheet for spiral buried arc welding and production method thereof |
| 04/22/2009 | CN101413049A Preparation of normalizing weldable fine grain steel plate with a yield strength of 420MPa |
| 04/22/2009 | CN101413048A Method for reducing hysteresis error of precipitated martensitic stainless steel |
| 04/22/2009 | CN100480412C Quick setting belt of single-texture magnetic RE-Fe-B compound and preparation process thereof |
| 04/22/2009 | CN100480411C Steel and steel wire for high strength spring |
| 04/21/2009 | CA2306208C Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation |
| 04/16/2009 | WO2009047926A1 Pearlite steel rail of high internal hardness type excellent in wear resistance, fatigue failure resistance and delayed fracture resistance and process for production of the same |
| 04/16/2009 | US20090098408 Complex metallographic structured steel and method of manufacturing same |
| 04/16/2009 | US20090098009 Low Chromium Stainless Steel Superior in Corrosion Resistance of Multipass Welded Heat Affected Zones and Its Method of Production |
| 04/16/2009 | US20090095383 Fine grain surface layer steel part and method of production of same |
| 04/16/2009 | US20090095382 Method of Manufacturing High Carbon Cold-Rolled Steel Sheet |
| 04/16/2009 | US20090095381 High Strength Steel Sheet and Method for Manufacturing the Same |
| 04/15/2009 | EP2048257A1 Free-cutting stainless steel and process for producing the same |
| 04/15/2009 | EP2046899A1 Coating solution for forming insulating film with excellent corrosion resistance property and film close adhesion property and film intensity without chrome and a method for making the insulation film on non-oriented electrical steel sheet by using it |
| 04/15/2009 | EP1516938B1 Steel for crude oil tank and method for manufacture thereof, crude oil tank and method for protecting corrosion thereof |
| 04/15/2009 | EP0926250B1 Grain-oriented electromagnetic steel sheet having excellent film characteristics and magnetic characteristics, its production method and decarburization annealing setup therefor |
| 04/15/2009 | CN101410542A High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof |
| 04/15/2009 | CN101410541A Steel for machine structure excelling in machinability and strength property |
| 04/15/2009 | CN101410537A Process for producing seamless two-phase stainless-steel pipe |
| 04/15/2009 | CN101410536A Method of manufacturing seamless pipe and tube |
| 04/15/2009 | CN101410535A Method for production of martensitic stainless steel pipe |
| 04/15/2009 | CN101407894A High strength X100 pipeline steel produced by steekle mill and production technique thereof |
| 04/15/2009 | CN100478481C Martensitic stainless steel with excellent machinability |
| 04/15/2009 | CN100478479C Hot-rolled low-silicon multiphase steel and preparation method thereof |
| 04/15/2009 | CN100478458C Production of non-directional cold-rolling silicon steel disc |
| 04/15/2009 | CN100478457C Method for preparing iron-nickel alloy strip |
| 04/09/2009 | US20090092514 Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same |
| 04/09/2009 | US20090090436 Method for brake rotor assembly and manufacture |
| 04/08/2009 | EP2045347A1 Non-oriented magnetic steel sheet with high strength |
| 04/08/2009 | EP2045341A1 Process for producing pearlitic rail excellent in wearing resistance and ductility |
| 04/08/2009 | EP2045340A1 Comb-shaped laminated cylinder head for an inducer with a magnetic field passing through it for reheating strips of metal |
| 04/08/2009 | EP2044228A1 Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
| 04/08/2009 | EP1420894B1 Device for processing a metal slab, plate or strip, |
| 04/08/2009 | CN101405420A Deformable lightweight structural steel |