| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 07/10/2013 | CN103201404A High-strength spring steel, method for producing high-strength spring, and high-strength spring |
| 07/10/2013 | CN103194695A Steel with stable oxide layer for pretreatment-free high-strength container and manufacture method of steel |
| 07/10/2013 | CN103194675A Low-carbon hot-rolled full-ferrite based steel with ultrahigh strength and ultrahigh reaming ratio and preparation method thereof |
| 07/10/2013 | CN103194585A Manufacturing method of motor spindle of hybrid electric vehicle |
| 07/10/2013 | CN103194580A Rolling method of low-banded structure gear steel |
| 07/10/2013 | CN102517427B Device and method for reinforcing surfaces of assembly structural member holes |
| 07/09/2013 | CA2793381A1 Welded hot-rolled high-strength steel structural members and method |
| 07/03/2013 | EP2609224A1 Profiled component and method for producing a profiled component |
| 07/03/2013 | CN203034103U Hot air injection heating and shot blasting energy injection chemical heat treatment furnace |
| 07/03/2013 | CN203034055U Dry steel ball reinforcing machine with dust collection device |
| 06/27/2013 | US20130160510 Method for shot peening |
| 06/27/2013 | DE102010006094B4 Verfahren zur Oberflächenverfestigung einer Komponente einer Windturbine Processes for surface stabilization of a component of a wind turbine |
| 06/26/2013 | CN103173694A High temperature resistance fastening piece and manufacture method thereof |
| 06/26/2013 | CN103173596A Electromagnetic pulse strengthening and forming device adopting small ball cushion die |
| 06/25/2013 | US8468862 Peening process for enhancing surface finish of a component |
| 06/20/2013 | WO2013089374A1 Torsional extreme-plastic processing method of conic metal pipe |
| 06/20/2013 | WO2013087593A1 Pressure intensifier, method for operating a pressure intensifier, and use of a pressure intensifier |
| 06/20/2013 | DE102011088788A1 Verfahren sowie Vorrichtung zum Herstellen eines Turbinenrades A method and apparatus for manufacturing a turbine wheel |
| 06/19/2013 | CN103160664A Method for performing surface strengthening treatment on stainless steel welding joint |
| 06/19/2013 | CN103160663A Best strain of austenitic stainless steel container welding residual stress overload reducing method |
| 06/19/2013 | CN103160657A Plant and method for hot forming blanks |
| 06/13/2013 | WO2013084533A1 Autofrettage machining device |
| 06/13/2013 | WO2013083918A1 Method for reshaping a turbomachine blade that has at least one zone that has become deformed using peening |
| 06/13/2013 | DE102011120681A1 Anlage und Verfahren zum Vorwärmen von Platinen beim Warmumformen System and method of preheating of blanks during hot forming |
| 06/13/2013 | DE102011120679A1 Anlage und Verfahren zum Warmumformen von Platinen System and method for hot forming of boards |
| 06/13/2013 | CA2855172A1 Method for reshaping a turbomachine blade that has at least one zone that has become deformed using peening |
| 06/12/2013 | EP2602350A1 Spring and manufacture method thereof |
| 06/12/2013 | EP2601321A1 A method for shot peening a gas carburised steel |
| 06/12/2013 | EP2601320A1 A method for shot peening |
| 06/12/2013 | CN103146893A Method for treating curved surface through laser shock |
| 06/12/2013 | CN101504049B Suspension spring of high-speed locomotive steering frame and manufacturing method thereof |
| 06/11/2013 | CA2648715C Surface treatment apparatus and method |
| 06/06/2013 | WO2013081224A1 Method for manufacturing hot rolled steel sheet having good anti-aging properties and hot rolled steel sheet manufactured using same |
| 06/06/2013 | WO2013019732A3 Surface contouring of a weld cap and adjacent base metal using ultrasonic impact treatment |
| 06/05/2013 | CN202968637U Mini-type steel ball enhanced treatment machine |
| 06/05/2013 | CN102618808B High-temperature shot blasting device for surface of intermetallic compound material and high-temperature shot blasting method |
| 06/04/2013 | US8454765 Corrosion-resistant austenitic steel alloy |
| 05/29/2013 | DE102011078006B4 Verfahren und Vorrichtung zum Herstellen eines Hochdruckkörpers einer Hochdruckvorrichtung Method and apparatus for manufacturing a high-pressure body of a high-pressure device |
| 05/29/2013 | DE102010034336B4 Verfahren und Vorrichtung zum Entfernen einer Schicht von einer Oberfläche eines Körpers Method and apparatus for removing a layer from a surface of a body |
| 05/29/2013 | DE102008035714B9 Stahlblech zum Warmpreßformen, das Niedrigtemperatur-Vergütungseigenschaft hat, Verfahren zum Herstellen desselben, Verfahren zum Herstellen von Teilen unter Verwendung desselben, und damit hergestellte Teile Steel sheet for hot press molding, the low-temperature compensation property has the same method for manufacturing, process for producing parts using the same, and thus manufactured parts |
| 05/29/2013 | CN202954069U Stainless steel strip with frosted layer |
| 05/29/2013 | CN103122440A Stress relieving machine for sintered hard alloys |
| 05/23/2013 | WO2013073055A1 Austenitic stainless steel |
| 05/22/2013 | CN103118815A Elevated temperature forming methods for metallic materials |
| 05/22/2013 | CN103114184A Method of improving shot blasting surface fineness of stainless steel blades |
| 05/17/2013 | CA2792752A1 Method for preparing highly-deformable titanium and titanium-alloy one-piece fasteners and fasteners prepared thereby |
| 05/16/2013 | DE102011118562A1 Tool for hot forming and hardening metal sheet used in motor vehicle, has support contour with recesses in which supporting portions are inserted, so that partial areas of hot-formed metal sheet resting on support portions are cured |
| 05/16/2013 | DE102011118484A1 Enhancing strength of a component, comprises introducing residual stresses, by subjecting first component surface of component to an action of force lying above yield point, and temporarily cooling first component surface to low temperature |
| 05/15/2013 | CN103103456A Fe-Mn-Si shape memory alloy check bolt and manufacturing and using methods thereof |
| 05/15/2013 | CN101560593B Fillet rolling and reinforcing technology of normalized nodular cast iron crankshaft |
| 05/08/2013 | CN202925067U Steel ball surface-strengthening machine |
| 05/08/2013 | CN103088196A Method for strengthening and forming electromagnetic pulse by adopting pellet cushion mould |
| 05/08/2013 | CN102128333B Sealing pin of pipeline for spraying use of high-pressure fuel and pipeline used for spraying use of high-pressure fuel with the same |
| 05/02/2013 | DE102011117265A1 Verfahren zur Herstellung eines Formteiles aus hochfestem oder höchstfestem Stahl A process for the production of a molding of high-strength or super high-strength steel |
| 05/01/2013 | CN103074475A Three-ball cutter for treating surface layer of metal material to improve material properties and use method |
| 05/01/2013 | CN103074474A Control system for rolling and strengthening torsion shaft of heavy armored vehicle |
| 05/01/2013 | CN103074473A Preparation of high-performance alloy steel |
| 05/01/2013 | CN101874170B Gear |
| 04/25/2013 | US20130101761 Components with laser cladding and methods of manufacture |
| 04/25/2013 | DE102011116885A1 Device for hot-forming and press-hardening with coated sheet metal material, has lubricant application unit that applies lubricant on tool effective areas or presses lubricant film between sheet metal material and tool effective area |
| 04/25/2013 | DE102011116715A1 Vorrichtung und Verfahren zum Warmformen/Presshärten und Schneiden eines Blechmaterials in einem Werkzeug mit automatisierter Entnahme des Blechabfalls Apparatus and method for thermoforming / press hardening and cutting a sheet material in a tool with automated extraction of the metal waste |
| 04/25/2013 | DE102011116714A1 Werkzeug und Verfahren zum Warmformen und Schneiden, insbesondere zum Presshärten und Schneiden, eines Blechmaterials Tool and method of thermoforming and cutting, in particular for press hardening and cutting a sheet material |
| 04/24/2013 | EP2583784A1 Preparation of a welding point before welding and component |
| 04/24/2013 | CN202898468U Steel ball surface strengthening machine |
| 04/24/2013 | CN202898467U Detector contact piece processing device |
| 04/24/2013 | CN103069019A Profiled component and method for producing a profiled component |
| 04/24/2013 | CN103060699A Processing method of cold-work die steel |
| 04/24/2013 | CN103060541A Continuous processing method for surface-nanocrystallized corrosion resistant steel bars |
| 04/24/2013 | CN103060540A A control method for yield strength of 1Mn18Cr18N steel retaining ring forgings |
| 04/24/2013 | CN103056213A Device and method for thermoforming and cutting a sheet material in a tool and taking out waste parts |
| 04/24/2013 | CN103056212A Tool and method for thermoforming and cutting sheet material |
| 04/24/2013 | CN102586557B Device for accelerating nanocrystallization of impact surfaces of metal round spheres by beating |
| 04/24/2013 | CN101981302B Process for producing common rail, and common rail |
| 04/17/2013 | EP2581464A1 Austenitic stainless steel tube having excellent steam oxidation resistance, and method for producing same |
| 04/17/2013 | CN202881329U Surface strengthening machine for muted steel ball |
| 04/17/2013 | CN103046058A Method for realizing nitriding or carburizing by thermal airflow jetting heating and shot blasting |
| 04/17/2013 | CN103045830A Surface shot blasting process for improving high temperature steam oxidization resistance of high-chromium austenite steel |
| 04/17/2013 | CN103045829A Rolling treatment process |
| 04/17/2013 | CN102321790B Nanometer modifying apparatus of metal material surface |
| 04/16/2013 | US8423191 Air disk brake caliper pre-stressing method and pre-stressed caliper apparatus |
| 04/16/2013 | US8419870 Method for making strain aging resistant steel |
| 04/16/2013 | US8419869 Method of producing classes of non-stainless steels with high strength and high ductility |
| 04/16/2013 | US8418332 Method of texturing a bearing surface of a roller cone rock bit |
| 04/11/2013 | WO2013050936A1 A process to improve fatigue strength of micro alloy steels, forged parts made from the process and an apparatus to execute the process |
| 04/09/2013 | CA2488965C Corrosion-resistant austenitic steel alloy |
| 04/04/2013 | DE102011114691A1 Three-dimensional partial hot-working and subsequently partial hardening of a workpiece, comprises partially heating a workpiece by a heating device to a temperature, which is greater than or equal to the workpiece-specific-temperature |
| 04/03/2013 | CN202849521U Device for grain refining method by large plastic deformation |
| 04/03/2013 | CN103025904A Spring and manufacture method thereof |
| 04/03/2013 | CN103014727A Fabrication method and device for funnel board of port bucket wheel machine |
| 04/03/2013 | CN103014519A Excavator silicon-manganese alloy steel bucket tooth cast and processing process thereof |
| 04/03/2013 | CN103014487A Hot rolling steel plate for automobile girder, and production method thereof |
| 04/03/2013 | CN103014278A Method for improving blade fatigue strength through comprehensive means |
| 04/03/2013 | CN103014277A Method for controlling austenitic stainless steel surface grain boundary structure |
| 04/03/2013 | CN103014276A Micro-hole strengthening method combining cone pressure and laser impact |
| 04/03/2013 | CN103014275A Dry-type steel ball reinforcing machine with dust exhaust apparatus |
| 04/03/2013 | CN103014246A Metal heat treatment deformation cooling calibration synchronization method |
| 04/03/2013 | CN103008994A Production method for dedicated steel ball for bearing of high-speed high-precision numerical control machine tool |
| 04/03/2013 | CN103008648A Novel manufacturing method of maintenance-free chain |
| 04/02/2013 | US8409367 Method of making a nanostructured austenitic steel sheet |
| 03/28/2013 | WO2013043238A1 Hot -rolled high - strength steel structural members and method of fabrication |