| Patents for C21D 11 - Process control or regulation for heat treatments (3,719) |
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| 05/27/2009 | CN100491546C Hood-type annealing furnace self-adapting control method |
| 05/27/2009 | CN100491545C Correction method of thin plane gasket after heat treatment |
| 05/27/2009 | CN100491063C Method for producing metallurgically binding metal composite seamless pipe |
| 05/27/2009 | CN100491000C Method for calendering pure copper foil |
| 05/21/2009 | US20090126835 Quenching methods and apparatus |
| 05/20/2009 | CN101435010A Carring bar intermediate frequency induction hardening heat treatment process and intermediate frequency quenching machine tool |
| 05/20/2009 | CN100489140C Vertical grinding hollow abrading-resistant ball chemical composition control and thermal treatment process |
| 05/20/2009 | CN100489123C Method and apparatus for continuous heat treatment for long bar by inducted heating |
| 05/20/2009 | CN100489121C Controlled cooling process and water cooler for high carbon and chromium bearing steel pipe blank after hot rolling |
| 05/20/2009 | CN100489119C Integral heat treatment method for fixed pipe plate-type heat exchanger |
| 05/19/2009 | US7534313 Systems and methods for controlling heat treating atmospheres and processes based upon measurement of ammonia concentration |
| 05/13/2009 | CN201236205Y Cooling circulating water control system of aluminum process equipment annealing oven |
| 05/13/2009 | CN101432451A Improvement made to the rapid heating sections of continuous heat-treatment lines |
| 05/13/2009 | CN101429592A Fuzzy control method for temperature distribution of inner steel bloom of heating stove |
| 05/13/2009 | CN101428305A Process for manufacturing copper iron alloy plate (row, stick, tube) |
| 05/13/2009 | CN101428304A Process for manufacturing silver copper plate (row, stick, tube) |
| 05/13/2009 | CN101428298A Process for manufacturing pipeline tube |
| 05/13/2009 | CN101428292A Method of manufacturing high-strength hot rolled ribbed steel bar |
| 05/13/2009 | CN101428291A Production process for large weight soldering-free molybdenum wire pole stock |
| 05/13/2009 | CN100486759C Machining process and equipment for low-plasticity nonferrous metal round wire formation |
| 05/06/2009 | CN101426939A Method and device for cooling and stabilizing strip in a continuous line |
| 05/06/2009 | CN101422847A Dissimilar alloys solid-phase connection method by compressive stress state and shearing deformation die |
| 05/06/2009 | CN100485158C Expansion pipe device for oilfield well completion |
| 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 | CN100484704C Method for manufacturing steel floor used in dustless room |
| 05/06/2009 | CN100484696C Forging and rolling technology and hot rolling and forging apparatus for making large pulley |
| 04/29/2009 | CN101417296A Manufacture method of large caliber high steel grade corrosion proof seamless steel tube in diameter phi 219.0-460.0mm |
| 04/29/2009 | CN101417294A Low-alloy high speed steel hot-pull technique |
| 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 |
| 04/29/2009 | CN100482811C Thermal treatment technique of die steel XW42 |
| 04/29/2009 | CN100482406C Method of producing cutting tool steel board with three layer complex blades |
| 04/29/2009 | CN100482405C Technique for fabricating planar whirl spring of flat wire in hard state |
| 04/29/2009 | CN100482394C Bead welding method for 27SiMn thick wall steel pipe |
| 04/22/2009 | EP1965957B1 Automated control of razor blade colorization |
| 04/22/2009 | CN101412182A Cold roll milling technology for rotor blade and stator blade of high pressure compressor for GH150 alloy |
| 04/22/2009 | CN101412144A Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding |
| 04/22/2009 | CN101412142A Welding procedure of 0Cr11Ni2MoNbV light sheet material handwork tungsten electrode argon arc |
| 04/22/2009 | CN101412137A Welding procedure of 0Cr11Ni2MoNbV medium plate material handwork arc welding |
| 04/22/2009 | CN101412066A Hammer forging technique of GH4169 alloy dish |
| 04/22/2009 | CN100479979C Producing technology for large size copper heterotype plate |
| 04/22/2009 | CN100479974C Preparing of leadless RE powder brazing alloy |
| 04/22/2009 | CN100479940C Technology for repairing semi-steel roller with flux-core welding wire built-up welding |
| 04/16/2009 | WO2009046691A1 Method and computer program for the automatic preparation of technological recipes for the heat treatment of metal workpieces in industrial furnaces and device for performing the method and computer program |
| 04/15/2009 | CN201220954Y Furnace pressure protector |
| 04/15/2009 | CN101407855A Method for improving stress corrosion resistance of integral forging low-voltage rotor of nuclear steam turbine |
| 04/15/2009 | CN101406899A Method for preparing non-brazing seam thin compound layer titanium/steel composite board |
| 04/15/2009 | CN100478458C Production of non-directional cold-rolling silicon steel disc |
| 04/08/2009 | CN201217675Y Thermal treatment control device |
| 04/08/2009 | CN101403028A Processing method for optimizing stainless steel |
| 04/08/2009 | CN101402101A Manufacturing process for high-anti-molybdenum square tablet |
| 04/08/2009 | CN101402100A Method for producing nickel-aluminum composite belt |
| 04/08/2009 | CN100476032C Chemical passivation method for enhancing corrosion resistance of continuous annealing IF steel cold rolling plate |
| 04/08/2009 | CN100476007C CSP production process of steel for automobile crossbeam |
| 04/08/2009 | CN100475435C Method for preparing novel PS forme base |
| 04/08/2009 | CN100475430C Manufacturing process of chain wheel for chain saw |
| 04/01/2009 | CN100473762C Hot processing method for removing decarbonizing of steel surface |
| 04/01/2009 | CN100473747C Manufacturing method of high intensity stainless steel resisting spot corrosion |
| 04/01/2009 | CN100473745C Oil well tube resisting stress corrosion of H2S and manufacture method thereof |
| 04/01/2009 | CN100473744C Method for preparing rare-earth containing high temperature oxidation resistant ferritic stainless steel |
| 04/01/2009 | CN100473742C Hot-rolled fine-grained steel for electrostatic enamel and manufacturing method thereof |
| 04/01/2009 | CN100473738C Solution strengthening isotropical steel and preparation method thereof |
| 03/25/2009 | CN101391264A Technique method of thin middle plate continuous casting and rolling production |
| 03/25/2009 | CN100471975C Heat-resistant ferritic stainless steel and method for production thereof |
| 03/25/2009 | CN100471617C Making process of antiseep shell-and-tube heat exchanger ortube-on-sheet heat exchanger |
| 03/19/2009 | WO2009035408A1 Device and method for heating a metal material |
| 03/18/2009 | CN101389417A Method of heating control in steel sheet production line and apparatus therefor |
| 03/18/2009 | CN101386037A Treatment technique of 1010 steel for bearing ring |
| 03/18/2009 | CN101386029A Composite roll mixed with reinforcement cast iron base and manufacture method thereof |
| 03/18/2009 | CN100469938C Series superfine carbide high alloy tool steel |
| 03/18/2009 | CN100469935C CSP production process for hot-galvanizing-baking hardened steel sheet |
| 03/18/2009 | CN100469903C Hardness gradient tempering process for 6CrNiSiMnMoV steel |
| 03/18/2009 | CN100469517C Method for preparing copper and nickel alloy seamless copper tube |
| 03/18/2009 | CN100469486C Rolling preparation method for thick-walled and thin-bottomed basin parts |
| 03/12/2009 | US20090065102 High Strength Seamless Steel Pipe for Machine Structure Use Superior in Toughness and Weldability, and Method of Production of The Same |
| 03/11/2009 | CN201206156Y On-line laser machining apparatus for strengthening and toughening treatment of railway track surface |
| 03/11/2009 | CN101381803A Control method of toothed wheel steel band structure |
| 03/11/2009 | CN100468241C Computer-assisted modelling method for the behaviour of a steel volume having a volumetric surface |
| 03/11/2009 | CN100467658C Non-magnetic high-strength stainless steel material and method for manufacturing the same |
| 03/11/2009 | CN100467657C Low-alloy cast steel |
| 03/11/2009 | CN100467652C Easy-weld hardening high-strength steel plate and production method thereof |
| 03/11/2009 | CN100467627C Drilling-rod weld heat-treatment quenching method and apparatus |
| 03/11/2009 | CN100467626C Surface aging treatment process of enhancing high manganese steel initial wear-resisting performance |
| 03/11/2009 | CN100467623C Process and device for coating-free electrical steel annealing and bluing |
| 03/05/2009 | US20090056837 Magnesium alloy material and method for manufacturing same |
| 03/04/2009 | EP1423218B1 Method and apparatus for distorting a workpiece |
| 03/04/2009 | CN101376946A Steel for 110ksi steel grade straight welding petroleum casing pipe, casing tube and manufacturing method |
| 03/04/2009 | CN101376945A 2000MPa grade superhigh intensity high tenacity steel plate and manufacturing method thereof |
| 03/04/2009 | CN101376943A Steel for 80ksi steel grade straight welding petroleum casing pipe, casing tube and manufacturing method |
| 03/04/2009 | CN101376212A Cold rolling serial production line of product steel coil produced from white coil |
| 03/04/2009 | CN100465347C A method of drip-feed type gas boronization |
| 03/04/2009 | CN100465322C A superlow carbon baking hardened steel plate added with Ti and V and a manufacturing method thereof |
| 03/04/2009 | CN100464940C A production method of precise steel balls |
| 03/04/2009 | CN100464923C A welding technique of P92 steels |
| 03/04/2009 | CN100464892C A reinforced method of guiding surfaces in guiding protection equipment of long thin embossing dies |
| 02/25/2009 | CN101372734A Martensite stainless steel and manufacturing method thereof |
| 02/25/2009 | CN100463995C Low-carbon tungsten-system bainite steel and its manufacture |
| 02/25/2009 | CN100463993C Low carbon equivalent micro-alloy steel pipe and on-line normalizing process thereof |
| 02/25/2009 | CN100463981C Method of preparing forging steel cold roll without soft band |