| Patents for C21D 11 - Process control or regulation for heat treatments (3,719) |
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| 02/25/2009 | CN100463979C Manufacturing method of cold rolling electric steel special for compressor |
| 02/25/2009 | CN100463978C Method for increasing toughness of low temperature steel plate |
| 02/25/2009 | CN100463771C Bimetal cutter-saw-blade milling and processing method thereof |
| 02/25/2009 | CN100463770C Process for producing double-layer wrapped welding tube used for connecting indoor/outdoor units of air conditioner |
| 02/25/2009 | CN100463739C Inner step profile section ring parts rolling forming method |
| 02/25/2009 | CN100463733C Method for processing titanium pipe used for computer mobile hard disk main shaft sleeve |
| 02/24/2009 | US7494553 Computer model simulating deformation of vehicular crash box to stress; effect a heat treatment on structure to produce a modified deformation behaviour; thermal gradient on chosen axes |
| 02/19/2009 | WO2009021279A1 Coating line control |
| 02/18/2009 | CN101368227A Thermal treatment method for nuclear in-pile component |
| 02/18/2009 | CN101367148A F92 base metal weld deposit cobalt based hard alloy process |
| 02/18/2009 | CN100462468C Ultra-fine pearlite high-strength rail steel and its preparation method |
| 02/18/2009 | CN100462466C Method of producing low-temperature high-toughness steel and steel plate |
| 02/18/2009 | CN100462192C Method of producing cutting tool steel board of complex blades |
| 02/18/2009 | CN100462191C Method of producing three layer clad sheet steel used for cutting-tool |
| 02/12/2009 | US20090038717 Process for Manufacturing High Strength Corrosion Resistant Alloy For Oil Patch Applications |
| 02/12/2009 | US20090038716 Steel sheet for tin plated steel sheet and tin-free steel sheet each having excellent formability and manufacturing method thereof |
| 02/12/2009 | US20090038715 Water-Cooling Method of Steel Material and Steel Material Obtained by That Water-Cooling Method |
| 02/11/2009 | EP2021517A1 Method for controlling a metal strip in a heat treatment furnace |
| 02/11/2009 | CN101363070A Water quenching and air cooling modified treatment technology of 42CrMo material |
| 02/11/2009 | CN100460549C Process of producing hot rolled steel plate for cold formation |
| 02/11/2009 | CN100460547C High-temperature-resistance FeNiCo constant-modulus alloy, preparation method thereof, and method for preparing components by using same |
| 02/11/2009 | CN100460144C Method for processing sewing-machine rotating shuttle to be wear-resistant |
| 02/05/2009 | US20090033008 Quality warranty system in induction heat treatment facilities |
| 02/05/2009 | US20090033007 Martensitic stainless steel tube and manufacturing method thereof |
| 02/05/2009 | US20090031857 Method and apparatus for ore processing |
| 02/04/2009 | CN101357419A Preparation method of draught fan impeller |
| 02/04/2009 | CN100457952C Casting high speed steel cutter and preparation method thereof |
| 02/04/2009 | CN100457927C Process of heating lead-containing free-cutting steel |
| 02/04/2009 | CN100457926C High-strength low-alloy steel temperature control plate blank acceleration cooling system |
| 02/04/2009 | CN100457354C Pile-up welding method of turbine low pressure heater pipe plate and shell, water chamber junction |
| 02/04/2009 | CN100457309C Process for manufacturing blaster fuse frame copper alloy strip steel material used for integrate circuit |
| 02/04/2009 | CN100457306C Rolling process of male connecting plate for bridge truss |
| 02/04/2009 | CN100457305C Rolling process of female connecting plate for bridge truss |
| 01/28/2009 | CN101352796A Novel technique for producing mandrel bar |
| 01/28/2009 | CN101352785A Method for welding pressing sleeve of large-sized hydraulic press |
| 01/28/2009 | CN100455702C Method for producing oriented silicon steel with good bottom by low-temperature heating |
| 01/28/2009 | CN100455692C High-strength weathering steel and method of manufacturing same |
| 01/28/2009 | CN100455690C Oriented silicon steel based on thin slab continuous casting and rolling and its manufacturing method |
| 01/22/2009 | US20090020189 Steel wire material for spring and its producing method |
| 01/21/2009 | EP2016202A2 Improvement made to the rapid heating sections of continuous heat-treatment lines |
| 01/21/2009 | CN100453686C Casting high boron abrasion-proof stainless steel containing high hardness boride and preparation method thereof |
| 01/21/2009 | CN100453685C High Cr series stainless steel jointless oil well tube and its production method |
| 01/21/2009 | CN100453684C Cold formable spring steel wire excellent in cold cutting capability and fatigue properties and manufacturing process thereof |
| 01/21/2009 | CN100453683C Low-temperature high-strength, high-toughness steel and preparing method therefor |
| 01/21/2009 | CN100453681C High boron wear-resisting casting steel and preparation process thereof |
| 01/21/2009 | CN100453679C Low yield ratio fire-resistant steel |
| 01/21/2009 | CN100453674C Low cost, high-wearability hypereutectic high chromium cast iron and its production method |
| 01/21/2009 | CN100453261C Compound plastic forming method of casting aluminum alloy parts |
| 01/15/2009 | US20090014098 High-Strength Hot-Dip Galvanized Steel Sheet Excellent in Formability and Method for Producing Same |
| 01/14/2009 | CN100451157C Micro-alloy weldable cast steel tooth stand and preparation method thereof |
| 01/14/2009 | CN100451152C Bainite ductile iron grinding ball and its producing process |
| 01/14/2009 | CN100450707C Process of welding flow passage cover plate and frame of through-flow generator set |
| 01/14/2009 | CN100450689C Repairing welding method for crack of rotor support power generator |
| 01/14/2009 | CN100450651C Method for producing cogging by air-valve steel rolling |
| 01/07/2009 | CN101338360A Novel heat treatment method for 65Mn,T8A spring steel band |
| 01/07/2009 | CN101338357A Hydraulic multicylinder high precision synchronous control system for implementing roller quenching machine |
| 12/31/2008 | CN101332477A Manufacturing method of semiconductor silicon aluminum bonding lines |
| 12/31/2008 | CN100447286C High strength anti-corrosion easy processing and low magnetic cast steel for manufacturing ship weldable structure |
| 12/31/2008 | CN100447284C Chromium steel series cold extruding die steel and heat treatment technique thereof |
| 12/31/2008 | CN100447283C Stainless teel casting material for anti-high temp, sulfide, ammonium salt corrosion and mfg. process thereof |
| 12/31/2008 | CN100447276C High carbon steel wire material having excellent wire drawability and manufacturing process thereof |
| 12/31/2008 | CN100447262C Method for manufacturing ordinary oriented silicon steel |
| 12/31/2008 | CN100447258C Orthodontic arch filament forming method and apparatus |
| 12/31/2008 | CN100447257C Technique of normalizing heat treatment of number 35 steel |
| 12/24/2008 | CN101328966A Method for manufacturing hydraulic wrench square head shaft |
| 12/24/2008 | CN101328564A Low yield ratio HT780 steel plate having superior weldability and manufacturing method thereof |
| 12/24/2008 | CN101328559A Steel for low yield ratio petroleum case pipe, petroleum case pipe and manufacturing method thereof |
| 12/24/2008 | CN100445498C High-strength steel mesh for use in concrete and its making method |
| 12/24/2008 | CN100445027C Method for manufacturing aluminium foil of high-voltage anode for electrolytic capacitor |
| 12/24/2008 | CN100445024C Method for processing high speed steel screw tap |
| 12/24/2008 | CN100444980C Rolling process of brake steel splint for speed reducer in large railway vehicle |
| 12/18/2008 | US20080308978 Heat-Treating of Rolling Elements for Bearings, and Furnace for Implementing Such Treatment |
| 12/17/2008 | CN201165542Y Control device of metal pipes full-automatic heat-treating facility |
| 12/17/2008 | CN101323901A Austenitic stainless steel as-forged solid solution treatment process after forging |
| 12/17/2008 | CN101323055A Restrike nozzle body welding process |
| 12/17/2008 | CN100443618C Ball grinding machine lining board and manufacturing method thereof |
| 12/17/2008 | CN100443616C Fast microwave crystallizing process for preparing nanometer crystalline iron-base soft magnetic alloy |
| 12/17/2008 | CN100443599C Heat treatment method for high strength heavy type steel rail head |
| 12/17/2008 | CN100443598C Heat treatment system for high strength heavy type steel rail head |
| 12/17/2008 | CN100443597C Hardening technology for precipitation hardening stainless steel laser surface |
| 12/17/2008 | CN100443242C Welding and deformation control method of large scale bulb tubular set and base |
| 12/16/2008 | CA2206925C Constant current needle annealing |
| 12/10/2008 | CN100441725C High-strength high-ducility bainite non-quenched and tempered steel plate with small acoustic anisotropism |
| 12/10/2008 | CN100441723C Steel having superior impact absorbency and toughness of parent material |
| 12/10/2008 | CN100441722C Process for producing deep-drawing Low-carbon aluminium-killed steel based on CSP technology |
| 12/10/2008 | CN100441706C High-frequency bearing surface quenching method and tool |
| 12/10/2008 | CN100441705C Heat-treatment method for storage tank body of large-scale total pressure type LPG carrying vessel |
| 12/10/2008 | CN100441704C Continuous intensification method of 0Cr17Ni7A1 material after timing heat treatment |
| 12/10/2008 | CN100441702C Heat processing method for obtaining fine grain ferrite in medium carbon steel |
| 12/09/2008 | CA2484435C Temperature indicating consumable |
| 12/03/2008 | CN201157843Y System for producing wide strip by thin slab casting and rolling |
| 12/03/2008 | CN101314807A High-temperature processing method for non-orientation magnetic material |
| 12/03/2008 | CN100439552C Composite high-strength high-ductility hardened and tempered steel and manufacturing method thereof |
| 12/03/2008 | CN100439551C High-grade highly carbon-dioxide resistant chloride ion corrosion oil annular tube steel and method for manufacturing the same |
| 12/03/2008 | CN100439550C Long-life alloy die-casting module and manufacturing method thereof |
| 12/03/2008 | CN100439549C Martensitic stainless steel pipe and method for producing the same |
| 12/03/2008 | CN100439545C 800 MPa level thick steel plate with high toughness and low yield ratio and its making process |
| 12/03/2008 | CN100439543C Hot-rolled super-strength martensitic steel and method for manufacturing same |
| 12/03/2008 | CN100439518C HF quenching technology for piston ring groove |
| 11/26/2008 | EP1994188A2 Method and device for cooling and stabilizing strip in a continuous line |