Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811)
07/2003
07/22/2003CA2268623C High ductility very clean non-micro banded die casting steel and method of manufacture thereof
07/16/2003EP0958387A4 Semi-solid forming
07/16/2003CN1430643A Non-inflammable, translucent polycarbonate molding materials
07/10/2003US20030127160 Bombardment of surface with compressed gas
07/09/2003CN1429279A Martensitic stainless steel and seamless steel pipes produced with it
07/03/2003US20030121567 Method of stress inducing transformation of austenite stainless steel and method of producing composite magnetic members
07/02/2003EP1323836A1 Method and apparatus for ultrahigh pressure water jet peening
07/02/2003EP0950723B1 High bearing-strength steel parts and processes for the production thereof
07/02/2003EP0850321B1 Dry tape covered laser shock peening
07/01/2003US6585548 High efficiency hydrofoil and swim fin designs
06/2003
06/27/2003WO2003059569A2 Method of forming turbine blade root
06/27/2003CA2431889A1 Method of forming turbine blade root
06/27/2003CA2366325A1 Method of forming turbine blade root
06/26/2003US20030119599 Golf club head composed of a damascene patterned metal
06/26/2003US20030115994 Apparatus for exposing a pipeline to high internal pressure
06/26/2003US20030115922 Transverse utrasound peening of blades on a rotor
06/19/2003US20030111143 Flattened U-bolt and method
06/18/2003DE20023235U1 Finishing process to consolidate the material of a curved/shaped pipe to carry a motor fuel feed at high pressure has external mechanical clamps to retain the pipe geometry while the interior is subjected to a high fluid pressure
06/18/2003CN1424178A Three-dimensional vibrating enhanced polisher and testing devices without guide rail support
06/12/2003US20030109328 Macro-fiber process for manufacturing a face for a metal wood golf club
06/11/2003CN1423705A Method for reinforcing a tank wall
06/05/2003WO2003046242A1 Surface treatment of austenitic ni-fe-cr based alloys
05/2003
05/29/2003US20030098104 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same
05/29/2003US20030098096 Hot formed high strength steel components and method of manufacturing the same
05/29/2003US20030098095 Non-heat treated steel for hot forging with easy fracture splitting
05/28/2003EP1314492A2 Device for applying high internal pressure to a pipeline
05/28/2003EP1235972B1 Pipe expansion device
05/27/2003US6568239 Test strip and method for confirming shot peening coverage
05/27/2003CA2259241C Steel having excellent outer surface scc resistance for pipeline
05/22/2003WO2003018221A3 Device for processing a metal slab, plate or strip, and product produced using this device
05/20/2003US6565672 Heating; controlling oxidation
05/20/2003US6564689 Steel bars; hot working, drilling
05/15/2003WO2003039804A1 Apparatus and method for forming weld joints having compressive residual stress patterns
05/14/2003CN1418292A Method for finishing the surface of rolling contact component
05/08/2003US20030085257 Apparatus and method for forming weld joints having compressive residual stress patterns
05/07/2003EP1307599A1 Mechanical method for generating nanostructures and mechanical device for generating nanostructures
05/07/2003EP1307598A1 Method for generating nanostructures and device for treating nanostructures
05/02/2003EP1306600A1 Stainless steel oil feeding pipe
05/02/2003EP1306165A1 Method of shot peening processing and article processed thereby, and peening material and use thereof
05/01/2003WO2003035295A1 Flattened u-bolt and method_for making said u-bolt
05/01/2003US20030082067 Composed mainly of iron, manganese, aluminum, carbon, titanium, and additionally silicon and chromium; for making heads of golf clubs; good finished surface quality; ductility, corrosion resistance
04/2003
04/24/2003WO2003033182A2 Device and method for the production of flat metal
04/24/2003WO1996002676A8 Cold formed high-strength steel structural members
04/24/2003US20030077479 Low density and high ductility alloy steel for a golf club head
04/22/2003US6551419 Hot-rolled steel wire and rod for machine structural use and a method for producing the same
04/17/2003WO2003031660A1 High-hardness, highly ductile ferrous articles
04/17/2003US20030070737 High-hardness, highly ductile ferrous articles
04/17/2003US20030070736 Metal working by austenitizing a steel chain link, heating in a thermal bath, quenching to convert remaining austenite to martensite, and deforming; tensile strength, hardness, ductility and fatigue life
04/16/2003CN1410560A Method of making nano surface of metallic material using ultrasonic speed micro particle bombardment
04/15/2003US6547846 Wear resistance, hardness, impact strength; powder metallurgy
04/10/2003US20030068248 Cold work steel alloy for the manufacture of parts by powder metallurgy
04/09/2003EP1129229B1 Steel, use of the steel, product made of the steel and method of producing the steel
04/08/2003US6544360 Highly strengthened spring and process for producing the same
04/03/2003WO2003027337A1 Improved angular channel processing
04/03/2003WO2003026815A1 Device and method for producing microcrystalline materials
04/03/2003US20030062402 Method of producing steel pipes, and welded pipes
04/03/2003DE10212400C1 Production of molded components comprises cold forming and induction heating of molding to produce recrystallization along seam and lower resistance to further working and cooling
04/02/2003EP1297063A1 Non-inflammable, translucent polycarbonate molding materials
04/02/2003EP0958077B1 Process for producing a powder metallurgical body with compacted surface
03/2003
03/26/2003EP1295651A2 Method of producing steel pipes, and welded pipes
03/26/2003EP1294511A1 Method of production of surface densified powder metal components
03/25/2003US6536109 Method for extending the life of attachments that attach blades to a rotor
03/20/2003WO2003022482A1 Surface treatment method
03/20/2003WO2003022469A1 Method for processing a metal slab or billet, and product produced using said method
03/13/2003WO2003020456A1 A method for manufacturing an ultra-high-tensile, expanded metal of steel
03/13/2003US20030046815 Surface treatment method
03/12/2003EP1291445A1 Steel material production method
03/12/2003CN1102962C Laser shock peening using low energy laser
03/06/2003WO2003018221A2 Device for processing a metal slab, plate or strip, and product produced using this device
03/06/2003US20030041927 Wherein flattening reduces convolutions that lead to spalling of alumina, and controlled oxidation improves bonding strength; for use in gas turbine engines
03/05/2003EP1287936A1 Repair method for structure and repair welding apparatus
03/04/2003US6527883 Containing 0.82 mass % of C, 1.05 mass % of Si, 0.51 mass % of Mn and 0.09 mass % of Cr to be worked into steel wires of pearlite structure
02/2003
02/26/2003EP1285097A1 Martensitic stainless steel and seamless steel pipes produced with it
02/26/2003EP1042091B1 Point contact densification of sintered metal powder
02/26/2003EP0728022B1 Surgically implantable prosthetic devices
02/26/2003CN1399025A Sewing machine part and its making process
02/18/2003US6521055 Composite magnetic member comprising hollow ferromagnetic steel portion and hollow nonmagnetic steel portion formed to ferromagnetic steel, wherein nonmagnetic steel has residual compressive stress to prevent stress corrosion cracks
02/13/2003US20030029845 Repair method for structure and repair welding apparatus
02/12/2003EP1282783A1 Method for finishing the surface of a rolling contact component
02/11/2003US6517643 Steel having excellent outer surface SCC resistance for pipeline
02/11/2003US6517319 Gas turbine engine rotor blades
02/06/2003WO2002059383A3 Manufacturing process for making engine components of high carbon content steel using cold forming techniques
02/06/2003WO2002042018A9 Apparatus and method for rolling workpieces
02/05/2003EP1281785A2 Austenitic stainless steel for cold deformation which may be followed by machining
02/05/2003EP1281782A1 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same
01/2003
01/30/2003WO2003008845A1 Machine with at least one sliding surface and method for the production of a sliding surface
01/30/2003US20030021716 Cold working; machining
01/28/2003US6511559 Process for producing wear-resistant edge layers in precipitation-hardenable materials
01/23/2003US20030015264 Wire rod or bar is made from a steel consisting of, in weight, 0.1 to 0.5% of carbon, 0.01 to 0.5% of silicon, 0.3 to 1.5% of manganese and the balance is iron and impurities and containing stregnthening elements as required
01/22/2003CN1392822A Ultrasonic cross shot peening of vanes on rotor
01/22/2003CN1099472C High strength phosphorated steel and its producing method
01/22/2003CN1099467C Method for preparing nano layer and metal material surface
01/21/2003US6508093 Method and apparatus for ultrasonic peening of annular recesses for the attachment of blades to a rotor
01/21/2003CA2244029C Method of manufacturing helical springs
01/16/2003WO2003004708A1 Method for strengthening a steel channel member
01/15/2003CN1391617A Method for fabricating vehicle components and new use of precipitation hardenable martensitic stainless steel
01/14/2003US6506227 From tool steel with improved homogeneity, greater purity, and improved properties; isostatically pressed metal body that has maximal material isotropy and a minimal content of oxide inclusions
01/14/2003US6505489 Method and apparatus for ultrasonic peening of axial recesses for the attachment of blades to a rotor
01/09/2003US20030005985 Method for strengthening a steel channel member
01/09/2003US20030005736 Method of shot peening processing and article processed thereby, and peening material and use thereof
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