Patents for C21D 6 - Heat treatment of ferrous alloys (4,815)
09/2012
09/13/2012CA2828962A1 Hot-work tool steel and a process for making a hot-work tool steel
09/13/2012CA2828894A1 A forged roll meeting the requirements of the cold rolling industry and a method for production of such a roll
09/12/2012CN101435054B Ferritic stainless steel material for automobile exhaust gas passage components
09/06/2012US20120222778 Rolling/sliding part and production method thereof
09/04/2012US8257646 Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance
09/04/2012US8257512 Classes of modal structured steel with static refinement and dynamic strengthening and method of making thereof
08/2012
08/30/2012WO2012115240A1 Forged steel material for nuclear power generation devices, and welded structure for nuclear power generation devices
08/30/2012WO2012115025A1 Manufacturing method for cold-working die
08/30/2012CA2825956A1 Forged steel and welded structure for components for nuclear power plants
08/29/2012EP2492361A2 High strength steel pipe with excellent toughness at low temperature and good sulfide stress corrosion cracking resistance
08/29/2012EP2492042A1 Butt- welded joint of welded structure, and method for manufacturing the same
08/29/2012CN102649993A Method for thinning crystalline grain of large low alloy cast
08/23/2012WO2012111537A1 Duplex stainless steel
08/23/2012WO2012111536A1 Duplex stainless steel, and process for production thereof
08/23/2012US20120211132 Ultra high strength steel having good toughness
08/23/2012US20120211128 Method for making a steel part of multiphase microstructure
08/23/2012US20120211127 Hollow drilling steel rod and method of manufacturing the same
08/23/2012CA2826893A1 Duplex stainless steel
08/23/2012CA2826880A1 Duplex stainless steel and production method therefor
08/22/2012EP2489752A1 Ferrous shape memory alloy and production method therefor
08/22/2012EP2488672A1 Homogenization of martensitic stainless steel after remelting under a layer of slag
08/22/2012CN101933103B Powder for magnetic core, powder magnetic core, and their production methods
08/22/2012CN101688505B Steel tube for fuel injection tube and process for producing the same
08/21/2012US8246767 Heat treated 9 Cr-1 Mo steel material for high temperature application
08/21/2012CA2607641C Steel alloy for cutting tools
08/14/2012US8241559 Steel material having a high silicon content for producing piston rings and cylinder sleeves
08/09/2012US20120199254 Alloy composition, fe-based nano-crystalline alloy and forming method of the same
08/09/2012US20120199253 Fe-based shape memory alloy and its production method
08/08/2012EP2484792A1 Steel plate with low yield ratio, high strength, and high toughness and process for producing same
08/08/2012EP2484784A1 Heavy wall steel pipes with excellent toughness at low temperature and sulfide stress corrosion cracking resistance
08/01/2012EP2481826A1 High-strength high-toughness cast steel material and manufacturing method therefor
08/01/2012EP2480698A1 Ferritic stainless steel having high drawability properties
08/01/2012EP1446509B9 Duplex stainless steels
07/2012
07/26/2012US20120186707 Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatability
07/25/2012EP2479293A1 Forging heat resistant steel, manufacturing method thereof, forged parts and manufacturing method thereof
07/25/2012CN102605268A Super-high manganese steel and preparation method thereof
07/25/2012CN101914663B Liquid nitrogen refrigerating type subzero treating device and temperature detecting control method
07/25/2012CN101784681B Secondary-hardening gear steel
07/25/2012CN101270452B Connection material for flashing light jointing of hadfield steel cross frog and carbon steel rails, and production method thereof
07/24/2012CA2465604C Ferritic stainless steel having high temperature creep resistance
07/19/2012WO2012095532A1 High thermal diffusivity and high wear resistance tool steel
07/19/2012US20120180912 High strength and high toughness cast steel material and method for producing the same
07/19/2012US20120180910 Microstructural optimization of automotive structures
07/19/2012US20120180909 High strength cold rolled steel sheet and method for manufacturing the same
07/19/2012CA2824238A1 High thermal diffusivity and high wear resistance tool steel
07/18/2012EP2476772A1 High thermal diffusivity and high wear resistance tool steel
07/18/2012CN102592777A Low-cost sintered neodymium iron boron magnet and production method thereof
07/18/2012CN102586550A Heat treatment method for stainless steel heat-resistant steel forging
07/18/2012CN101125473B Hot-dip galvanized thin steel sheet, thin steel sheet processed by hot-dip galvanized layer, and a method of producing the same
07/17/2012CA2420229C Stainless steel and stainless steel surface
07/12/2012US20120174749 Armour steel
07/11/2012EP1966399B1 Method for producing a cold-rolled strip with a ferritic structure
07/11/2012CN102575328A Steel for induction hardening, induction-hardened steel parts, and process for production of same
07/11/2012CN102575313A Homogenization of martensitic stainless steel after remelting under a layer of slag
07/11/2012CN102575312A Wire rod for drawing having excellent drawability, super-high-strength steel wire and manufacturing method thereof
07/11/2012CN102560280A High-temperature-resistance and high-strength alloy steel and heat treatment process thereof
07/11/2012CN102560022A Method for controlling content of reversed austenite in super martensitic stainless steel
07/05/2012WO2012090562A1 Die steel having superior rusting resistance and thermal conductivity, and method for producing same
07/05/2012WO2012089696A1 Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby
07/05/2012US20120168039 Cryogenic treatment of martensitic steel with mixed hardening
07/04/2012CN102549187A High-strength high-toughness cast steel material and manufacturing method therefor
07/04/2012CN102534395A Iron chromium soft magnetic alloy and its preparation method
07/04/2012CN102534150A Method for improving wear resistance of ferromagnetic metal material trough cryogenic magnetic field
07/04/2012CN102534149A Heat treatment process for rolling mill guide alloy
07/04/2012CN102051455B Heat-treatment process for low-temperature abrasion-resistant alloy cast steel
07/04/2012CN101631880B Steel for tool-less hot forming or quenching with improved ductility
06/2012
06/28/2012WO2012085089A1 Method of producing a nano-twinned titanium material by casting
06/28/2012US20120160376 Heat resistant cast steel, manufacturing method thereof, cast parts of steam turbine, and manufacturing method of cast parts of steam turbine
06/28/2012CA2821964A1 Method of producing a nano-twinned titanium material by casting
06/27/2012EP2468912A1 Nano-twinned titanium material and method of producing the same
06/27/2012CN102517438A Technique method for eliminating residual stress on high speed steel grinding surface
06/26/2012CA2687327C Low density steel with good stamping capability
06/21/2012WO2012081229A1 High-carbon chromium bearing steel, and process for production thereof
06/21/2012US20120152410 Method And Device for Energy-Efficient Hot Forming
06/20/2012EP2465954A1 Blast resistant, non-magnetic stainless steel armor
06/19/2012CA2488790C Steel and mould tool for plastic materials made of the steel
06/14/2012WO2012077705A1 Gas-carburized steel component with excellent surface fatigue strength, gas-carburizing steel material, and process for producing gas-carburized steel component
06/14/2012WO2012077150A2 Process for manufacturing high manganese content steel with high mechanical resistance and formability, and steel so obtainable
06/14/2012WO2012077072A1 Heat treatment method for martensitic stainless steel parts made with rapid prototyping techniques and the like and hardened by precipitation
06/14/2012US20120145289 Piston Ring Material For Internal Combustion Engine
06/14/2012US20120145286 Hadfield steel and method for obtaining the same
06/13/2012EP2463397A1 ALLOY COMPOSITION, NANOCRYSTALLINE Fe ALLOY, AND PREPARATION METHOD THEREFOR
06/13/2012EP2463396A1 Fe-based amorphous alloy, dust core formed using the fe-based amorphous alloy, and dust core with embedded coil
06/13/2012CN101652822B R-Fe-B系稀土类烧结磁铁 R-Fe-B based rare-earth sintered magnet
06/06/2012EP2460900A1 Stainless steel for fuel cell separators which has excellent electrical conductivity and ductility, and process for production thereof
06/05/2012US8192566 Annealing and pickling process
06/05/2012US8192565 Steel for machine and structural use having excellent machinability and process for producing the same
06/05/2012US8192560 Hardened martensitic steel, method for producing a component from this steel and component obtained in this manner
05/2012
05/31/2012WO2012069329A1 Method for heat-treating high-strength iron alloys
05/31/2012US20120132327 High strength steel sheet having excellent hydrogen embrittlement resistance
05/31/2012US20120132326 Method for producing martensitic steel with mixed hardening
05/30/2012CN101641455B Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon
05/30/2012CN101319295B High-strength hot rolled steel plate and manufacturing method thereof
05/24/2012US20120125491 Method for the Hot-Dip Coating of a Flat Steel Product Containing 2 - 35 wt.% of Mn, and a Flat Steel Product
05/23/2012EP2455496A1 Precipitation hardening martensitic stainless steel and steam turbine component made thereof
05/23/2012EP1511872B1 Steel and mould tool for plastic materials made of the steel
05/23/2012CN1861811B Method for annealing amorphous alloys
05/23/2012CN1690238B Ferrous abrasion resistant sliding material
05/23/2012CN102473498A 烧结磁铁、电动机、汽车以及烧结磁铁的制造方法 Sintered magnet, motors, automotive and manufacturing method of a sintered magnet
05/23/2012CN102471857A Fe-based amorphous alloy, powder core using the same, and coil encapsulated powder core
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