Patents for C21D 6 - Heat treatment of ferrous alloys (4,815)
09/2010
09/12/2010CA2696389A1 Cold-forming steel article
09/09/2010US20100224287 High-strength spring steel excellent in brittle fracture resistance and method for producing same
09/02/2010WO2010098256A1 Martensitic-steel casting material and process for producing martensitic cast steel product
09/02/2010US20100221139 Steel Having High Mechanical Strength and Wear Resistance
09/01/2010EP1929055B1 Method for treating a steel strip
09/01/2010CN1833046B Steel for hydrogen gas environment, structural hardware member and method for producing same
08/2010
08/25/2010EP2221836A1 Powder for magnetic core, powder magnetic core, and their production methods
08/25/2010EP2221389A1 Method of heat-treating steel, process for producing machine part, and machine part
08/25/2010EP2220260A1 Low chrome ferritic stainless steel with high corrosion resistance and stretchability and method of manufacturing the same
08/25/2010CN201560221U Thermal treatment device of low-temperature cast steel product
08/25/2010CN201560220U Heat treatment equipment of cast steel product
08/25/2010CN201560219U Heat treatment equipment of low-temperature alloy steel product
08/25/2010CN201560218U Heat treatment device for alloy cast steel
08/25/2010CN101815803A Duplex stainless steel wire material, steel wire, bolt, and method for production of the bolt
08/25/2010CN101815797A Hardened martensitic steel having a low or zero content of cobalt, process for manufacturing a part from this steel, and part thus obtained
08/18/2010EP2218802A1 Steel for mold for plastic molding and mold for plastic molding
08/18/2010EP1712650B1 Use of a material for a storage cell casing
08/18/2010CN201553761U Heat-treatment equipment of abrasion-resistant steel for engineering purposes
08/18/2010CN201553760U Heat treatment equipment of low-temperature abrasion-resistant steel
08/18/2010CN201553759U Heat treatment device for abrasion resistant alloy cast steel
08/18/2010CN101435058B Economical austenitic stainless steel and technique for producing the same
08/17/2010CA2471481C Method and installation for producing a hot rolled strip from austenitic rust-resistant steels
08/12/2010US20100200119 Hardened martensitic steel having a low or zero content of cobalt, method for producing a component from this steel, and component obtained in this manner
08/11/2010CN101800108A High-plasticity corrosion-resistance semihard magnetic alloy and thin strip preparing method thereof
08/10/2010CA2442068C Ultra-high-strength precipitation-hardenable stainless steel and elongated strip made therefrom
08/05/2010US20100193091 Heat treatment method
08/05/2010US20100193090 Steel for machine and structural use having excellent machinability and process for producing the same
08/05/2010US20100193089 Hot-working tool steel having excellent toughness and high-temperature strength and method for production thereof
08/05/2010US20100193088 High Corrosion Resistance Precipitation Hardened Martensitic Stainless Steel
08/05/2010US20100193083 Hydrogen-resistant high strength material and method for producing the same
08/05/2010US20100192895 Steel Material Having a High Silicon Content for Producing Piston Rings and Cylinder Sleeves
08/04/2010CN101796207A Thin strip of amorphous alloy, nanocrystal soft magnetic alloy, and magnetic core
08/04/2010CN101215671B Material capable of resisting zinc solution corrosive wear and manufacturing method thereof
08/03/2010US7767037 containing a martensite phase as a primary phase and a ferrite phase, or further containing an austenite phase; heat resistance to high temperature; chemical resistant to CO2, chloride ions
07/2010
07/29/2010WO2010084888A1 Soft magnetic alloy thin strip, method for producing same, and magnetic component having soft magnetic alloy thin strip
07/29/2010US20100190026 Strain-Detecting Composite Materials
07/27/2010US7763124 consists of 0.7 to 1.1% carbon, 0.2 to 2.0% siliconi, 0.4 to 2.5% manganese, 1.6 to 4.0% chromium, 0.1-0.5% molybdenum, 0.010 to 0.050% aluminum, and balance iron; is treated by quenching and tempering, has residual cementite and prior-austenite grains; bearings
07/22/2010WO2010082685A1 Steel for surface hardening for machine structural use, and component for machine structural use
07/22/2010WO2010082486A1 Process for producing composite magnetic material, dust core formed from same, and process for producing dust core
07/21/2010CN101784681A Secondary-hardening gear steel
07/21/2010CN101476088B R17Cr1Ni3Mo steel for nuclear pressure vessel and preparation thereof
07/15/2010US20100179039 Roller body for a roller for treating a material and method for manufacturing a roller body
07/14/2010EP2206799A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
07/14/2010EP2205770A1 Intermediate piece for connecting manganese steel molded bodies with carbon steel and method for connecting manganese high-carbon steel cast parts to control rails
07/13/2010US7754032 Method for manufacturing a high speed tool steel
07/13/2010US7754028 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver
07/08/2010US20100170597 Metal Gasket and Method of Making
07/08/2010US20100170596 Corrosion-resistant austenitic steel alloy
07/01/2010WO2010074710A2 Superaustenitic stainless steel and method of making and use thereof
07/01/2010WO2010074017A1 Steel tempering method
07/01/2010US20100163140 Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Microstructure Resulting Therefrom
06/2010
06/30/2010CN101760700A Ferrous abrasion resistant sliding material
06/30/2010CN101537428B Semi-steel roll and preparation method thereof
06/29/2010US7744707 Deep cryogenic tempering of brake components
06/29/2010CA2377701C High tensile cold-rolled steel sheet having superior ductility and strain age-hardening characteristics and manufacturing method therefor
06/24/2010US20100158744 High strength electrical steel sheet and method of production of same
06/23/2010EP2199421A1 Duplex stainless steel wire material, steel wire, bolt, and method for production of the bolt
06/23/2010CN101755057A Low density steel with good stamping capability
06/23/2010CN101748344A Railway track welded steel and manufacturing technology thereof
06/23/2010CN101748338A High-strength cast steel for coupler of railway vehicle and manufacturing method thereof
06/23/2010CN101748326A Preparation method of carbonic rare earth-ferrum, cobalt and silicon compound with NaZn1 structure
06/17/2010WO2010066896A1 Process for producing a component having improved elongation and break properties
06/16/2010CN1922337B Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof
06/16/2010CN101736139A Organization control method of large-size pre-hardening type plastic die steel module
06/10/2010WO2010064617A1 Carbonitrided member and process for producing carbonitrided member
06/10/2010US20100143178 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
06/10/2010US20100139821 Method for producing a workpiece, a workpiece and use of a workpiece
06/10/2010US20100139819 Method for producing steel part having long rolling contact fatigue life
06/10/2010US20100139817 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part
06/10/2010US20100139811 Carbonitrided induction hardened steel part superior in surface fatigue strength at high temperature and method of production of same
06/09/2010EP2194154A1 Two-way shape-recovery alloy
06/09/2010CN101724788A High-vanadium steel wear resistant material and preparation method thereof
06/03/2010US20100132855 Fire-resistant steel superior in weld joint reheat embrittlement resistance and toughness and method of production of same
06/03/2010US20100132854 Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Articles Resulting Therefrom
06/03/2010US20100132848 Ultrahigh-strength steel sheet excellent in hydrogen embrittlement resistance and workability, and manufacturing method therefor
06/03/2010US20100132846 Spring element made from a ferritic chromium steel
06/02/2010EP2192206A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
06/02/2010CN101717896A High strength and toughness cold working die steel and preparation method thereof
06/02/2010CN101717892A Hot die steel and tempering process thereof
06/01/2010CA2319974C A stainless steel sheet having cu-enriched grains dispersed in its matrix and/or a cu-condensed layer
05/2010
05/27/2010US20100126638 Method for producing a crankshaft, in particular for diesel engines
05/26/2010CN101713048A Multi-element low-alloy wear-resistant steel
05/25/2010US7722727 Steel and mould tool for plastic materials made of the steel
05/20/2010WO2010054813A1 Manganese steel strip having an increased phosphorus content and process for producing the same
05/19/2010EP1323175B1 Annealed amorphous alloys for magneto-acoustic markers
05/19/2010CN101709428A Compound microalloy hot die steel with high heat resistance and preparation method thereof
05/19/2010CN101709427A Low-cost, high-strength, high-toughness and high-abrasion resistance cold-working die steel and preparation method thereof
05/13/2010US20100116382 Austenitic stainless steel excellent in intergranular corrosion resistance and stress corrosion cracking resistance, and method for producing austenitic stainless steel material
05/13/2010US20100116380 Process and device for producing strips of silicon steel or multiphase steel
05/12/2010CN1705761B Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
05/12/2010CN101705426A Drill collar steel and dehydrogenated heat treatment process thereof for improving ultrasonic flaw detection qualification rate
05/12/2010CN101705386A Copper-nickel-manganese-iron alloy and preparation method thereof
05/12/2010CN101705345A Process method for improving ductility and toughness of Cr-containing high-strength steel by utilizing carbon distribution
05/11/2010US7713362 Steel plate; silicon, aluminum, manganese, nickel, chromium, molybdenum, copper, titanium, zirconium, niobium, tantalum,tellurium, calcium, bismuth, lead, iron, vanadium and selenium; suitable for welding and thermal cutting
05/11/2010CA2251106C Comminuting media comprising martensitic/austenitic steel containing retained work-transformable austenite
05/06/2010US20100111662 Method for manufacturing at least part of a device for an earthmoving or materials-handling machine using austempered ductile iron
05/06/2010US20100108200 High yield ratio and high-strength hot-dip galvanized steel sheet excellent in workability and production method thereof
05/06/2010US20100108199 Ferrous abrasion resistant sliding material
05/06/2010US20100108196 Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon
05/05/2010EP2182080A1 High yield ratio and high-strength hot-dip galvanized steel sheet excellent in workability and production method thereof
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