| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 08/28/2013 | CN103266212A Thermal treatment technology for improving low-temperature impact toughness of 25Cr2Ni4MoV steel forging |
| 08/22/2013 | WO2013120146A1 Casting iron based speciality alloy |
| 08/21/2013 | EP2628807A1 Tempered pin-shaped connection element and method for producing same |
| 08/21/2013 | CN103261450A High-carbon chromium bearing steel, and process for production thereof |
| 08/21/2013 | CN103255279A Heat treatment process of steel wire |
| 08/21/2013 | CN103255273A Manufacturing method capable of improving plasticity of pipeline steel plate |
| 08/21/2013 | CN103252268A Super wear-resisting centrifuging composite casting tyre-shaped grinding roller and manufacturing method thereof |
| 08/20/2013 | US8512629 System and method for annealing alloy steel components |
| 08/15/2013 | WO2013119334A1 New classes of non-stainless steels with high strength and high ductility |
| 08/15/2013 | WO2013117953A1 Process for making a steel part, and steel part so obtained |
| 08/15/2013 | US20130206288 High-strength galvanized steel sheet having excellent formability and crashworthiness and method for manufacturing the same |
| 08/14/2013 | CN103243274A Fe-Cr-Ni alloy of golf club head |
| 08/14/2013 | CN103243208A Cryogenic treatment equipment with nitrogen recovery device |
| 08/14/2013 | CN103243204A Strengthening and toughening heat treatment method of medium carbon manganese-vanadium low alloy steel |
| 08/14/2013 | CN102392124B Heat treatment technology method for improving obdurability of high-speed steel |
| 08/07/2013 | CN103237905A Multi-phase steel, cold-rolled flat product produced from a multi-phase steel of this type, and method for producing it |
| 08/07/2013 | CN103233159A Polycrystalline Fe-based shape-memory hyperelastic alloy and preparation method thereof |
| 08/06/2013 | US8501083 Spray quench systems for heat treated metal products |
| 08/06/2013 | US8500924 High-strength steel plate and producing method therefor |
| 08/01/2013 | WO2013110798A1 Steel for producing parts for railway, railway crossings and switches and method for producing said parts |
| 08/01/2013 | US20130195709 Metal-base alloy product and methods for producing the same |
| 07/31/2013 | CN101560591B Composite temperature cold treatment process |
| 07/30/2013 | CA2565162C Steel with high mechanical strength and wear resistance |
| 07/25/2013 | WO2013107922A1 An austenitic stainless steel product and a method for manufacturing same |
| 07/25/2013 | WO2013107730A1 Nickel-free iron alloy for stents |
| 07/25/2013 | US20130186527 Heat treatment for producing steel sheet with high strength and ductility |
| 07/24/2013 | EP2617848A1 Bearing steel |
| 07/24/2013 | EP2617839A1 Nickel-free iron alloy for stents |
| 07/24/2013 | EP2616561A1 Martensitic stainless steel machineability optimization |
| 07/24/2013 | CN103215513A Corrosion-resistant gathering and transportation line pipe and manufacturing method thereof |
| 07/24/2013 | CN103215418A Thermal treatment method for super-thick steel plate |
| 07/24/2013 | CN103215417A Method for ultra-high enhanced heat treatment for medium carbon silicon-manganese-chromium-nickel low-alloy steel |
| 07/24/2013 | CN102057173B Ball for constant velocity joint and method for producing the same |
| 07/23/2013 | CA2448799C Cold work steel |
| 07/18/2013 | WO2013104789A1 Knife and method for the production thereof |
| 07/18/2013 | US20130180628 Martensitic stainless steel machineability optimization |
| 07/17/2013 | EP2615188A1 Austenitic stainless steel |
| 07/17/2013 | CN203065527U Numerical-control air supply device for subzero treatment |
| 07/17/2013 | CN203065526U Large-scale workpiece cryogenic treatment equipment |
| 07/17/2013 | CN103210097A Multi-phase steel, cold-rolled flat product which is produced from a multi-phase steel of this type, and method for producing it |
| 07/17/2013 | CN103205556A Flow field adjusting device for roller cryogenic box |
| 07/10/2013 | EP2612939A1 Bearing steel and ingot material for bearing having high rolling fatigue life characteristics and method for manufacturing same |
| 07/10/2013 | EP2612930A2 Method of making an austempered ductile iron article |
| 07/10/2013 | CN103194579A Device and method for reducing X80 pipeline steel welded joint residual stress |
| 07/10/2013 | CN101364465B Permanent magnetic RE material and preparation thereof |
| 07/09/2013 | US8480820 Ferrous abrasion resistant sliding materials and sliding members |
| 07/09/2013 | US8480817 Thermal mechanical processing of stainless steel |
| 07/04/2013 | WO2013101692A1 Method of predicting quench cracking in components formed by high deformation processes |
| 07/04/2013 | WO2013101574A1 Metallurgically bonded stainless steel |
| 07/04/2013 | US20130167984 Method Of Making An Austempered Ductile Iron Article |
| 07/03/2013 | EP2610362A1 Cr-containing austenite alloy pipe and production method for same |
| 07/03/2013 | CN103184331A Processing method of cutting module for automobile exhaust pipe |
| 07/03/2013 | CN103184319A Heat treatment method for increasing low-temperature impact energy of 35CrMoA steel material |
| 07/03/2013 | CN102383053B New heat treatment enhancing process of heat resistant steel |
| 06/27/2013 | US20130160905 Method for producing a tempered martensitic heat resistant steel for high temperature application |
| 06/26/2013 | CN203021619U Cold treatment device for workpieces |
| 06/20/2013 | WO2013087997A1 Method for producing a thin strip made from soft magnetic alloy, and resulting strip |
| 06/20/2013 | WO2013087939A1 Process for manufacturing a thin strip made of soft magnetic alloy and strip obtained |
| 06/20/2013 | US20130153090 Method for thermal treatment of articles from iron-based alloys (variants) |
| 06/20/2013 | CA2858167A1 Process for manufacturing a thin strip made of soft magnetic alloy and strip obtained |
| 06/19/2013 | EP2604706A1 Method for thermal processing of articles consisting of alloys on the basis of iron (variants) |
| 06/19/2013 | CN203007329U Biomass gas stainless steel annealing system |
| 06/19/2013 | CN103168112A Bearing steel and ingot material for bearing having excellent rolling contact fatigue life characteristics and method for manufacturing the same |
| 06/19/2013 | CN103160662A Roller cold-treatment technology |
| 06/19/2013 | CN102016083B Lower-cost, ultra-high-strength, high-toughness steel |
| 06/12/2013 | CN202989229U Deep cold box of double-refrigerating system |
| 06/06/2013 | WO2013081451A1 Heat treatment process in a manufacturing method for a drive belt metal ring component |
| 06/06/2013 | WO2013079239A1 Laser spark plug with an improved seal between the combustion chamber window and casing |
| 06/06/2013 | WO2013079238A1 Laser spark plug having an improved seal between the combustion chamber window and the casing |
| 06/05/2013 | CN202968623U Natural gas solution furnace |
| 06/05/2013 | CN103131962A High-tenacity low-alloy high-strength steel and quenched-tempered heat treatment method thereof |
| 06/05/2013 | CN103131833A Method of obtaining X80 steel grade two phase organization large deformation pipeline steel |
| 06/05/2013 | CN101317238B Method for producing rare earth permanent magnet material |
| 06/04/2013 | US8454765 Corrosion-resistant austenitic steel alloy |
| 05/30/2013 | US20130133786 Method for manufacturing high strength steel sheet |
| 05/22/2013 | CN103119187A High-hardness pre-hardened cold-rolled tool steel for surface PVD, method for producing same, and surface PVD method for same |
| 05/22/2013 | CN103114183A Method for improving lasting mechanical performance of furnace tube material HP-Nb at high temperature |
| 05/22/2013 | CN101657864B R-T-B sintered magnet and method for producing the same |
| 05/22/2013 | CN101495663B Iron-nickel alloy |
| 05/15/2013 | EP2592166A1 Ni-CONTAINING STEEL SHEET AND PROCESS FOR PRODUCING SAME |
| 05/15/2013 | CN103108975A A forged roll meeting the requirements of the cold rolling industry and a method for production of such a roll |
| 05/15/2013 | CN103103459A Large-scale forging and manufacture process wind electricity slewing bearing forging and manufacturing process |
| 05/15/2013 | CN103103327A Thermal treatment technology of ultrahigh-strength stainless steel |
| 05/10/2013 | WO2013064202A1 Method of manufacturing a duplex steel sheet having enhanced formability |
| 05/08/2013 | EP2589445A1 Method for producing alloy cast slab for rare earth sintered magnet |
| 05/08/2013 | CN103097565A Bearing steel |
| 05/08/2013 | CN103097555A Martensitic stainless steel machineability optimization |
| 05/08/2013 | CN103088275A Method For Manufacturing Components Or Coupons Made Of A High Temperature Superalloy |
| 05/08/2013 | CN103088267A Preparation method of lengthened bolt |
| 05/08/2013 | CN103088266A Forging method for foundation bolt |
| 05/08/2013 | CN103088201A Aging treatment method of fan impeller material |
| 05/02/2013 | US20130105046 System and method for generating a welded assembly |
| 05/02/2013 | DE102011117265A1 Verfahren zur Herstellung eines Formteiles aus hochfestem oder höchstfestem Stahl A process for the production of a molding of high-strength or super high-strength steel |
| 05/01/2013 | EP2585620A1 A metal-base alloy product and methods for producing the same |
| 05/01/2013 | EP2585619A1 Chromium-nickel steel, martensitic wire and method for producing same |
| 05/01/2013 | CN103079724A Method for producing alloy cast slab for rare earth sintered magnet |
| 04/24/2013 | CN103060699A Processing method of cold-work die steel |
| 04/24/2013 | CN103060694A Preparation method of improved medium/low-carbon chrome-silicon-manganese martensite cast steel |
| 04/24/2013 | CN103060691A Iron-based nanocrystalline ribbon and preparation method thereof |
| 04/24/2013 | CN103060672A Preparation process for die steel |