| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
|---|
| 06/25/2008 | CN101205592A Martensitic antibiotic stainless steel and thermal treatment method thereof |
| 06/25/2008 | CN101205589A Soft ferritic stainless steel and manufacture method thereof |
| 06/25/2008 | CN100396810C Weldable steel building component and method for making same |
| 06/25/2008 | CN100396809C Thick steel plate with great line energy and low welding crack sensitivity and its production process |
| 06/25/2008 | CN100396808C Cold rolling glass-lined steel having excellent scale cracking resistance and extra-deep drawing property and manufacturing method thereof |
| 06/25/2008 | CN100396801C Method and mould for producing face-centered cubic metal plate with fine grain |
| 06/19/2008 | US20080145264 Mo-V-Ni high temperature steels, articles made therefrom and method of making |
| 06/19/2008 | US20080143026 Material for Coating Iron Ore Pelletizing Disks and Drums and a Constructive Arrangement for Pelletizing Disks and Drums |
| 06/19/2008 | US20080142123 Ferritic stainless steel casting and sheet and method for producing the same |
| 06/18/2008 | EP1932934A1 High-strenght steel plate resistant to strenght reduction resulting from stress relief annealing and excellent in weldability |
| 06/18/2008 | EP1932933A1 Dead-soft high-carbon hot-rolled steel sheet and process for producing the same |
| 06/18/2008 | CN101203340A Hot forging equipment |
| 06/18/2008 | CN101200791A Low-cost oil casing pipe steel and method for producing the same |
| 06/18/2008 | CN100395368C Niobium titanium -combined microalloying steel for cooling-control reinforced bar and method for producing same |
| 06/17/2008 | US7387694 Method of making a hardened steel part, especially a roll load-bearing steel part |
| 06/17/2008 | CA2425398C Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof |
| 06/17/2008 | CA2198676C Steel, steel sheet having excellent workability and method of producing the same by electric furnace-vacuum degassing process |
| 06/12/2008 | WO2008069335A1 Weld steel pipe with excellent low-temperature toughness for high-strength thick-walled line pipe and process for producing the same |
| 06/12/2008 | WO2008069289A1 Weld steel pipe with excellent low-temperature toughness for high-strength line pipe and process for producing the same |
| 06/12/2008 | WO2008068352A2 A strip of steel having a variable thickness in length direction |
| 06/12/2008 | US20080135137 Method Fo Controlling Cooling of Steel Sheet |
| 06/11/2008 | EP1930459A1 High-toughness wear-resistant steel exhibiting little hardness change in service and process for production thereof |
| 06/11/2008 | EP1929055A1 Method for treating a steel strip |
| 06/11/2008 | CN100393894C Rolling method for solving continuous cast billet shrinkagehole segregation |
| 06/04/2008 | EP1446512B1 Martensitic stainless steel and method for manufacturing same |
| 06/04/2008 | CN101194032A Grain-oriented magnetic steel sheet with extremely high magnetic property and process for producing the same |
| 06/04/2008 | CN101191182A Nickel-saving high-strength stainless hot-rolling belt steel and preparation method thereof |
| 06/04/2008 | CN101191174A Hot-rolling phase change induction plasticity steel with 750MPa-level extension strength and preparation method thereof |
| 06/04/2008 | CN100392140C Tungsten aluminium containing bainite forged steel special for railroad frog and its production method |
| 06/04/2008 | CN100392134C Production method of 450MPa grade cold rolled magnetic pole steel |
| 06/04/2008 | CN100392133C Production method of 350 MPa grade cold rolled magnetic pole steel |
| 06/04/2008 | CN100392131C Hot rolled steel sheet for working and its manufacturing method |
| 06/03/2008 | US7381478 Hot rolled steel sheet for processing and method for manufacturing the same |
| 06/03/2008 | CA2479031C Method and apparatus for producing hot-dip plated metal strip |
| 05/29/2008 | WO2008062853A1 Unidirectionally grain oriented electromagnetic steel sheet having excellent film adhesion, and method for manufacturing the same |
| 05/29/2008 | US20080121314 Non-Oriented Electrical Steel Sheets with Excellent Magnetic Properties and Method for Manufacturing the Same |
| 05/29/2008 | DE102007019173B3 Method for press-forming and hardening a steel workpiece in a stamping machine comprises partially moving the stamps away from each other after deforming and passing coolant through the gap between the stamps and the workpiece |
| 05/28/2008 | EP1925837A1 Uniform speed universal joint |
| 05/28/2008 | EP1925686A1 Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component |
| 05/28/2008 | EP1733062B1 Method for producing a component by reshaping a plate, and device for carrying out said method |
| 05/28/2008 | CN101187295A Super high intensity anti-corrosion pumping rod production method |
| 05/28/2008 | CN101186994A Micro-alloying steel for oil gas transport seamless pipeline and its preparation method |
| 05/28/2008 | CN101186960A Method for producing wear-resisting hot-rolling steel plate by using furnace rolling machine and steel plate prepared by the same method |
| 05/27/2008 | US7377986 casting a steel slab from said steel melts, then heating, hot rolling and annealing |
| 05/22/2008 | WO2008059669A1 Refractory steel material with excellent welded-joint toughness and process for producing the same |
| 05/22/2008 | WO2008058530A1 Process for producing a steel strip comprising a relatively high strength dual phase steel |
| 05/22/2008 | WO2008058410A1 Method for the continuous production of steel wire or bar |
| 05/22/2008 | WO2007051521A3 Method and finishing train for hot-rolling starting material |
| 05/22/2008 | US20080118390 High-Stiffness High-Strength Thin Steel Sheet and Method For Producing the Same |
| 05/22/2008 | US20080115863 Method for improving the performance of seam-welded joints using post-weld heat treatment |
| 05/21/2008 | EP1923477A1 Highly strong, thick electric resistance-welded steel pipe excellent in quenching property, hot forming processability and fatigue strength, and method for manufacture thereof |
| 05/21/2008 | EP1264910B1 Steel pipe having excellent formability and method for production thereof |
| 05/21/2008 | DE112006001709T5 Einmal kalt gewaltztes Stahlband für eine Lochmaske und Verfahren zu dessen Herstellung Once cold gewaltztes steel strip for shadow mask and method for its manufacture |
| 05/21/2008 | CN101182757A Sidetracking petroleum case pipe for petroleum natural gas mining industry and production process thereof |
| 05/21/2008 | CN101182622A High intensity, corrosion resistant and high ductility steel for mooring chain and production process thereof |
| 05/21/2008 | CN101182619A High-strength toughness cold working die steel and method of producing the same |
| 05/21/2008 | CN100389222C Production method for improving electromagnetic performance and bottom layer quality of copper containing orientation silicium steel |
| 05/21/2008 | CN100389211C Heat treatment device used for gear forging |
| 05/20/2008 | US7374623 Metallurgical product of carbon steel, intended especially for galvanization, and processes for its production |
| 05/15/2008 | US20080112839 655 Mpa Grade Martensitic Stainless Steel Having High Toughness and Method for Manufacturing the Same |
| 05/15/2008 | US20080110534 Method for manufacturing nickel alloy |
| 05/15/2008 | US20080110533 Non heat treated; high toughness and having preferable weldability; rolling is completed without lowering temperature during manufacturing process; precipitates are fine because of no reheating; low carbon; tensile strength is not less than 640 Mpa and the yield stress is not less than 490 Mpa |
| 05/15/2008 | DE102006053819A1 Production of a steel component used in the chassis construction comprises heating a sheet metal part and hot press quenching the heated sheet metal part |
| 05/14/2008 | EP1921172A1 Method for production of steel material having excellent scale detachment property, and steel wire material having excellent scale detachment property |
| 05/14/2008 | EP1920078A1 Steel sheet for deep drawing having excellent secondary work embrittlement resistance, fatigue properties and plating properties, and method for manufacturing the same |
| 05/14/2008 | EP1306456B1 Cold rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production |
| 05/14/2008 | CN101180411A Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same |
| 05/14/2008 | CN101177754A Method for determining Ti addition amount of 550MPa grade Ti micro-alloying high-strength weathering steel |
| 05/13/2008 | US7371293 Cold finished seamless steel tubes |
| 05/13/2008 | US7371291 Hot rolling an inhibitor-free steel slab containing by 0.08% or less C, 1.0 to 8.0% Si, and 0.005 to 3.0% Mn, and Al and N each decreased to 0.020% or less and 50 ppm or less, respectively; annealing; cold rolling; recrystallization annealing; and low temperature final annealing; undercoating-free |
| 05/08/2008 | WO2008053884A1 Steel wire for spring excellent in fatigue property and drawing property |
| 05/08/2008 | WO2008052921A1 Method for manufacturing flat steel products from a multiphase steel alloyed with silicon |
| 05/08/2008 | WO2008052920A1 Method for manufacturing flat steel products from a multiphase steel alloyed with aluminum |
| 05/08/2008 | WO2008052919A1 Method for manufacturing flat steel products from a multiphase steel microalloyed with boron |
| 05/08/2008 | WO2008052918A1 Method for manufacturing flat steel products from a steel forming a martensitic structure |
| 05/08/2008 | WO2008052917A1 Method for manufacturing flat steel products from a steel forming a complex phase structure |
| 05/08/2008 | DE10014656B4 Kalt/Warmbearbeitungs- und Wärmebehandlungsverfahren für hochlegierten Stahl der Gruppe mit hohem Kohlenstoffgehalt Cold / Warmbearbeitungs- and heat treatment process for high-alloy steel of the group with high carbon content |
| 05/07/2008 | EP1918407A1 Iron-cobalt based soft magnetic alloy and method for its manufacture |
| 05/07/2008 | EP1918406A1 Process for manufacturing steel flat products from boron microalloyed multi phase steel |
| 05/07/2008 | EP1918405A1 Process for manufacturing steel flat products from silicon alloyed multi phase steel |
| 05/07/2008 | EP1918404A1 Process for manufacturing steel flat products from aluminium alloyed multi phase steel |
| 05/07/2008 | EP1918403A1 Process for manufacturing steel flat products from a steel forming martensitic structure |
| 05/07/2008 | EP1918402A1 Process for manufacturing steel flat products from a steel forming a complex phase structure |
| 05/07/2008 | EP1918400A1 Seamless steel pipe for line pipe and method for producing same |
| 05/07/2008 | EP1918399A1 Ferritic stainless-steel sheet with excellent corrosion resistance and process for producing the same |
| 05/07/2008 | EP1918398A1 Seamless steel pipe for line pipe and method for producing same |
| 05/07/2008 | EP1918397A1 Seamless steel pipe for line pipe and method for producing same |
| 05/07/2008 | EP1918395A1 Seamless steel pipe and method for producing same |
| 05/07/2008 | EP1359230B1 Production method for steel plate and equipment therefor |
| 05/07/2008 | CN100386461C Ferrite antibacterial stainless steel for low-chrome copper-containing dishware and manufacturing method thereof |
| 05/07/2008 | CN100386449C Controlled warm-rolling method |
| 05/06/2008 | US7367208 Coil winding method for metal in bars |
| 05/02/2008 | WO2008050700A1 Unidirectional magnetic steel sheet excellent in iron loss characteristic |
| 05/02/2008 | WO2008050628A1 Seamless steel tube for airbag accumulators and process for production thereof |
| 05/02/2008 | WO2008050597A1 Method for manufacturing non-oriented electrical sheet having excellent magnetic properties |
| 05/02/2008 | CA2667534A1 Seamless steel tube for an airbag accumulator and a process for its manufacture |
| 05/01/2008 | US20080101980 comprises C, Si, Mn, Cr, Mo, W, V, Al, P, S and N; cutting tool may comprise a microstructure which is formed of tempered martensite |
| 05/01/2008 | US20080099109 High-strength steel sheets with excellent formability and method for manufacturing the same |
| 04/30/2008 | EP1293581B1 Steel pipe for use in reinforcement of automobile and method for production thereof |
| 04/30/2008 | CN101171651A Low core loss grain-oriented electrical steel sheet and method for producing the same |