Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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06/07/2012 | WO2012073896A1 Rolled steel bar or wire for hot forging |
06/07/2012 | WO2012073772A1 Hot rolling method for silicon-containing steel slab |
06/07/2012 | WO2012073485A1 Carburizing steel having excellent cold forgeability, and production method thereof |
06/07/2012 | WO2012072884A1 Ultra high-strength structural steel and method for producing ultra high-strength structural steel |
06/07/2012 | US20120138199 Process for Producing a Threaded Spindle having a Large Bearing Seat |
06/07/2012 | US20120138198 Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel and method for manufacturing the cold rolled steel sheet |
06/07/2012 | US20120138197 High-strength hot-rolled steel sheet and method for manufacturing the same |
06/07/2012 | CA2817408A1 Abrasion resistant steel, method of manufacturing an abrasion resistant steel and articles made therefrom |
06/06/2012 | EP2460902A1 Grain-oriented magnetic steel sheet |
06/06/2012 | EP2460900A1 Stainless steel for fuel cell separators which has excellent electrical conductivity and ductility, and process for production thereof |
06/06/2012 | EP2459756A1 Process for producing an ultra-low-carbon steel slab, strip or sheet |
06/06/2012 | EP1597404B1 Fine-grained martensitic stainless steel and method thereof |
06/06/2012 | EP1563106B1 Cold-worked steels with packet-lath martensite/austenite microstructure |
06/06/2012 | CN102485362A Method for producing high-strength, low alloy steel with copper |
06/06/2012 | CN101914723B Hot-rolling large-deformation-resistance pipeline steel and preparation method thereof |
06/06/2012 | CN101880830B Steel with Brinell hardness of 430-470 for cutting edge and production method thereof |
06/06/2012 | CN101541998B Expandable oil well pipe to be expanded in well and process for production of the pipe |
06/05/2012 | US8192566 Annealing and pickling process |
06/05/2012 | US8192560 Hardened martensitic steel, method for producing a component from this steel and component obtained in this manner |
06/05/2012 | CA2679886C Zinc-plated high tension steel sheet excellent in press formability and method for production thereof |
06/05/2012 | CA2601052C High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof |
05/31/2012 | WO2012070360A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
05/31/2012 | WO2012070359A1 Electron beam welded joint, steel material for use in electron beam welded joint, and manufacturing method thereof |
05/31/2012 | WO2012070358A1 Electron beam welded joint, steel material for electron beam welding, and manufacturing method thereof |
05/31/2012 | WO2012070355A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
05/31/2012 | WO2012070354A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
05/31/2012 | WO2012070353A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
05/31/2012 | WO2012070349A1 Non-heat-treated steel for soft nitriding, and soft-nitrided component |
05/31/2012 | WO2012070249A1 Method for producing directional electromagnetic steel sheet |
05/31/2012 | WO2012068868A1 Method for improving magnetic property of oriented silicon steel by laser scribing |
05/31/2012 | WO2012068830A1 Manufacture method of oriented silicon steel having good magnetic performance |
05/31/2012 | WO2012068829A1 Method of fast laser scribing |
05/31/2012 | WO2012033377A3 High-strength and high-ductility steel sheet, and method for producing same |
05/31/2012 | US20120134872 Abrasion resistant steel, method of manufacturing an abrasion resistant steel and articles made therefrom |
05/31/2012 | US20120132325 FERRITIC Cr-STEEL FOR HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME, AND HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME |
05/31/2012 | US20120132322 Abrasion resistant steel, method of manufacturing an abrasion resistant steel and articles made therefrom |
05/30/2012 | EP2456897A1 Method for controlling and/or regulating an induction furnace for a rolling mill, control and/or regulating device for a rolling mill, and rolling mill for producing rolling stock |
05/30/2012 | EP1498505B1 Wire for reinforcing marine optical fiber cable |
05/30/2012 | CN202246768U Glass steel roller |
05/30/2012 | CN102482751A 船体用厚钢板及其制造方法 Hull with a thick steel plate and a manufacturing method |
05/30/2012 | CN102482747A 高强度弹簧用拉伸热处理钢线及高强度弹簧用拉伸前钢线 High-strength spring steel wire with heat treatment and high tensile strength spring steel wire with a tensile ago |
05/30/2012 | CN102482744A 低温韧性优良的高强度管道用钢板以及高强度管道用钢管 Low temperature toughness with high-strength steel plate and high-strength pipe with steel pipe |
05/30/2012 | CN102482726A 轧机的感应炉的控制和/或调节方法,轧机的控制和/或调节装置和用于轧制轧件的轧机 Induction furnace rolling mill control and / or adjustment method, the rolling mill control and / or regulating means and for rolling a member |
05/30/2012 | CN102477518A 一种汽轮机叶片用钢及其制造方法 Steam turbine blade steel and its manufacturing method |
05/30/2012 | CN102477484A Quick laser scribing method |
05/30/2012 | CN102477483A Method for producing oriented silicon steel with excellent magnetic property |
05/30/2012 | CN102129907B Nanocrystalline soft magnetic alloy iron core with high initial permeability and low remanence and preparation method thereof |
05/30/2012 | CN102127703B Method for manufacturing cold-rolled non-oriented electrical steel for frequency-variable air conditioner |
05/30/2012 | CN102041449B Method for improving electromagnetic performance of oriented electric steel by low-temperature plate blank heating process |
05/30/2012 | CN102029351B Method for manufacturing wind power forging by using 20CrMnMo continuous casting blank |
05/30/2012 | CN102021478B High-toughness high-weather-resistance bridge steel and plate coil rolling method thereof |
05/30/2012 | CN102011050B Steel for 36kg-grade ocean platform and production method thereof |
05/30/2012 | CN101974673B Processing method of thread rod, bolt and nut by using dual-phase steel material |
05/30/2012 | CN101962707B Method for producing 42CrMo steel seamless steel tube |
05/30/2012 | CN101956127B Manufacturing method of Sn contained non-oriented electrical steel and plate coil |
05/30/2012 | CN101928880B High-strength and high-tenacity steel for power communication poles and processing method thereof |
05/30/2012 | CN101921955B Method for manufacturing pipeline steel medium plate with excellent tenacity through normalizing rolling |
05/30/2012 | CN101921952B Electric resistance welding petroleum casing pipe |
05/30/2012 | CN101899625B Ferrite stainless steel and manufacturing method thereof |
05/30/2012 | CN101892371B Cold draw production method of wire core 4J42 alloy for covering copper |
05/30/2012 | CN101886161B Production method for transformation induced plasticity steels by hot rolling |
05/30/2012 | CN101871081B Steel for low-steel-grade continuous oil pipe and manufacturing method thereof |
05/30/2012 | CN101583727B Method for manufacturing an austenitic steel object |
05/30/2012 | CN101497959B Cold rolling baking hardened steel with yield strength 220MPa and production method thereof |
05/30/2012 | CN101306434B Preparation method of low carbon low silicon no-aluminum half-technique non oriented electrical steel |
05/24/2012 | WO2012067474A2 High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor |
05/24/2012 | WO2012067473A2 High-toughness cold-drawn non-heat-treated wire rod, and method for manufacturing same |
05/24/2012 | WO2012067379A2 Method for manufacturing high-strength cold-rolled/hot-rolled dp steel having a tensile strength grade of 590 mpa and excellent workability, as well as little deviation in the material properties thereof |
05/24/2012 | WO2012067160A1 High-strength steel plate with excellent formability, warm working method, and warm-worked automotive part |
05/24/2012 | WO2012067159A1 High-strength steel plate with excellent formability, warm working method, and warm-worked automotive part |
05/24/2012 | WO2012043984A3 Steel plate for line pipe, having excellent hydrogen induced crack resistance, and preparation method thereof |
05/24/2012 | WO2012036483A3 High-carbon hot-rolled steel sheet, cold-rolled steel sheet and a production method therefor |
05/24/2012 | US20120128524 Steel wire rod having excellent cold heading quality and hydrogen delayed fracture resistance, method of manufacturing the same, and mehod of manufacturing bolt using the same |
05/24/2012 | US20120125492 Ultratough high-strength weldable plate steel |
05/24/2012 | US20120125490 Low yield ratio dual phase steel linepipe with superior strain aging resistance |
05/23/2012 | EP2455498A1 Process for production of oriented electromagnetic steel sheet |
05/23/2012 | EP2455497A1 Method for producing grain-oriented electromagnetic steel plate |
05/23/2012 | CN202226904U Production equipment for hot-rolling steel for automobile wheel steel ring |
05/23/2012 | CN202226886U Laser nicking and dedusting system for ST machine set |
05/23/2012 | CN102473500A Soft magnetic amorphous alloy ribbon, method for producing same, and magnetic core using same |
05/23/2012 | CN102472699A Method for determination of brittle crack propagation stopping performance in high-intensity thick steel plate |
05/23/2012 | CN102471851A 具有优异韧性的非热处理轧钢和拉制线材及二者的制备方法 Non-heat-treated steel rolling and wire drawing and preparation methods both have excellent toughness |
05/23/2012 | CN102471850A 方向性电磁钢板 Oriented electrical steel sheet |
05/23/2012 | CN102471846A Nonmagnetic stainless steel, member for radio-controlled watch, process for producing nonmagnetic stainless steel and radio receiver |
05/23/2012 | CN102471843A 低温韧性优良的高强度管线管用钢板及高强度管线管用钢管 Excellent low-temperature toughness of high strength steel plate for line pipe and the steel pipe for high strength line pipe |
05/23/2012 | CN102471819A Process for production of oriented electromagnetic steel sheet |
05/23/2012 | CN102471818A Method for producing grain-oriented electromagnetic steel plate |
05/23/2012 | CN102471817A 制造铁-铬-合金的方法 Manufacture of iron - chromium - Alloy methods |
05/23/2012 | CN102465238A Method for reducing stainless steel welding wire blank material hot-rolled corner crack defect |
05/23/2012 | CN102465236A Method for producing X70 or X80 high-strain steel tube |
05/23/2012 | CN102465200A 无缝钢管的制造方法 Seamless steel pipe manufacturing method |
05/23/2012 | CN102465199A 无缝钢管的制造方法 Seamless steel pipe manufacturing method |
05/23/2012 | CN102463270A 一种无缝钢管的制造方法 A method of manufacturing a seamless steel pipe |
05/23/2012 | CN102463269A 无缝钢管的制造方法 Seamless steel pipe manufacturing method |
05/23/2012 | CN101985678B Method for preparing austenitic stainless steel tube blank for nuclear power |
05/23/2012 | CN101960037B High tensile strength steel thick plate having excellent weldability and tensile strength of 780MPa or above, and process for manufacturing same |
05/23/2012 | CN101899616B Steel for 600MPa-grade high-strength engineering machines and production method thereof |
05/23/2012 | CN101886162B Method for simulating natural aging of low-carbon hot-rolled steel bars and wires |
05/23/2012 | CN101787492B Manufacturing method of high quality and large size mandril blank |
05/23/2012 | CN101765672B Wire rod and high-strength steel wire excellent in ductility, and processes for production of both |