| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 03/14/2007 | CN1928145A Process for preparing Cu-Cr-Zr alloy slat |
| 03/14/2007 | CN1927486A Manufacturing technique of low compression ratio high grade pipe line steel |
| 03/14/2007 | CN1927485A Technique for CSP sheet billet production line cold rolling feeding |
| 03/14/2007 | CN1304625C Bearing parts, heat treatment method of bearing parts and rolling bearing |
| 03/14/2007 | CN1304618C Pealite based rail excellent in wear resistance and ductility and method for production thereof |
| 03/14/2007 | CN1304603C Part heat treatment method for parts to be heat treated and apparatus thereof |
| 03/14/2007 | CN1304133C Cooling device, manufacturing method, and manufacturing line for hot rolled steel band |
| 03/13/2007 | US7189171 Rolling bearing for belt driven continuously variable transmission |
| 03/13/2007 | CA2257835C Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof |
| 03/08/2007 | WO2007027724A2 Steel compositions, methods of forming the same, and articles formed therefrom |
| 03/08/2007 | US20070051438 Process of production and production system of high strength galvannealed steel sheet |
| 03/08/2007 | US20070051152 Device for heating a metal strip, and apparatuses equipped with a device of this type, for producing hot-rolled metal strip |
| 03/08/2007 | DE102005041233A1 Heat treatment unit for heat treating metal components, comprises a heating chamber, a bath chamber, and a bath |
| 03/08/2007 | CA2599417A1 Steel compositions, methods of forming the same, and articles formed therefrom |
| 03/07/2007 | EP1760162A1 Process for producing steels being tough at sub-zero temperature |
| 03/07/2007 | EP1371863B1 High-strength bolt excellent in delayed fracture resistance characteristics and its steel product |
| 03/07/2007 | CN1926249A Double chamber type heat treatment furnace |
| 03/07/2007 | CN1924075A Apparatus for manufacturing steel tube and method for manufacturing the same |
| 03/07/2007 | CN1924068A Oil well tube resisting stress corrosion of H2S and manufacture method thereof |
| 03/07/2007 | CN1924065A 700MPa grade high ductility low-yield ratio thick steel plate and manufacture method thereof |
| 03/07/2007 | CN1924064A Thin-wall steel plate with excellent hydrogen-initiated breakage resistance |
| 03/07/2007 | CN1924031A Heating furnace roller thermal insulation protective layer with heat and shake proof quality |
| 03/07/2007 | CN1923447A Bimetal cutter-saw-blade milling and processing method thereof |
| 03/07/2007 | CN1923429A Bulb through-flow units radial type rotor support rack welding deformation controlling means |
| 03/07/2007 | CN1923412A High nickel austenite spheroidal graphite cast-iron gas exhaust branch pipe casting technique |
| 03/07/2007 | CN1303229C Method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them |
| 03/07/2007 | CN1303228C Screw being locally heat treated and quenched |
| 03/07/2007 | CN1303227C Work piece sealing transfer device of vertical heating treatment production line |
| 03/06/2007 | US7186304 has chromium, cobalt, vanadium, molybdenum, nickel, manganese, silicon, tungsten, titanium, niobium and iron; corrosion resistance |
| 03/01/2007 | WO2007023806A1 Seamless steel pipe for line pipe and method for producing same |
| 03/01/2007 | WO2007023805A1 Seamless steel pipe for line pipe and method for producing same |
| 03/01/2007 | WO2007023804A1 Seamless steel pipe for line pipe and method for producing same |
| 03/01/2007 | WO2007023696A1 Direct heat treatment method and equipment of hot rolled wire rod |
| 03/01/2007 | WO2006020723A3 Radial expansion system |
| 03/01/2007 | DE202005016476U1 Fixturwerkzeugbeschickungs- und/oder -entnahmevorrichtung Fixturwerkzeugbeschickungs- and / or retrieval device |
| 03/01/2007 | DE102006004294B3 Inductor for induction hardening of components has cylindrical housing surrounding heating sleeve which heats component, component then being passed to quenching unit and housing having jets which clean heating sleeve after use |
| 03/01/2007 | CA2620049A1 Seamless steel pipe for line pipe and a method for its manufacture |
| 02/28/2007 | EP1757842A1 Pinion shaft |
| 02/28/2007 | EP1757824A2 Tapered roller bearing and automotive pinion shaft supporting apparatus with such bearing |
| 02/28/2007 | EP1757708A1 Welding repair method for full hoop structures |
| 02/28/2007 | EP1757707A2 Heating furnace having heat regenerating burners and operation method thereof |
| 02/28/2007 | EP1755801A1 A device and a method for shaping and quenching a beam |
| 02/28/2007 | CN2873793Y Strip steel stabilizer of post cooling tower |
| 02/28/2007 | CN1922337A Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof |
| 02/28/2007 | CN1920083A Manufacture method of ultra-low-temperature, high-strength and long-fatigue life automobile bridge seamless heterotype axle steel tube |
| 02/28/2007 | CN1920062A Rail heat processing method and rail heat processing unit |
| 02/28/2007 | CN1919530A Manufacturing technique of heavy caliber alloy seamless steel pipe |
| 02/28/2007 | CN1302142C High-strength stainless steel sheet and method for manufacturing the same |
| 02/28/2007 | CN1301820C Method for welding impellers in high strength and eliminating stress of impellers |
| 02/28/2007 | CN1301797C Milling roller of flour mill, method for machining milling teeth on milling roller surface and use of milling roller |
| 02/27/2007 | US7182909 Forging quench |
| 02/27/2007 | US7181948 Method of making structural components |
| 02/27/2007 | CA2369510C High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 02/27/2007 | CA2336373C High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof |
| 02/22/2007 | WO2007020916A1 Method for production of steel material having excellent scale detachment property, and steel wire material having excellent scale detachment property |
| 02/22/2007 | WO2007020914A1 High-strength stainless-steel wire with excellent cold workability and molded article thereof |
| 02/22/2007 | WO2007020826A1 Ferritic stainless-steel sheet with excellent corrosion resistance and process for producing the same |
| 02/22/2007 | WO2006103021A3 Welded roller bearing ring made from roller bearing steel |
| 02/22/2007 | US20070042310 Method and apparatus for the treatment of a component |
| 02/22/2007 | US20070041863 Precipitation hardenable austenitic steel |
| 02/22/2007 | US20070039670 Welding repair method for full hoop structures |
| 02/22/2007 | DE60119321T2 Vorrichtung und verfahren zur herstellung von weichmetallrohren Apparatus and method for manufacturing soft metal pipe |
| 02/21/2007 | EP1571227B1 Cr-CONTAINING HEAT-RESISTANT STEEL SHEET EXCELLENT IN WORKABILITY AND METHOD FOR PRODUCTION THEREOF |
| 02/21/2007 | EP1146132B1 Hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property |
| 02/21/2007 | CN2871551Y Narrow-band dark annealing protective pot |
| 02/21/2007 | CN1918313A Welded ferritic stainless steel tube having excellent tube expanding workability |
| 02/21/2007 | CN1301336C Heat-treatment furnace |
| 02/20/2007 | US7179541 Achieving optimal embrittlement of grain boundaries; controlled temperature heating |
| 02/20/2007 | US7179416 Heat treatment apparatus |
| 02/20/2007 | CA2238803C A process for manufacturing thin, ferritic stainless steel bands, and the thin bands produced by the process |
| 02/15/2007 | WO2007018246A1 High-tension steel sheet and process for producing the same |
| 02/15/2007 | WO2007018048A1 Oil-tempered wire and process for producing the same |
| 02/15/2007 | WO2007017161A1 High-strength steel for seamless, weldable steel pipes |
| 02/15/2007 | US20070033983 Press for holding and pressing a workpiece |
| 02/15/2007 | DE202005015907U1 Vorrichtung zur gezielten Wärmebehandlung von Eisenbahnschienenrädern Device for controlled heat treatment of railway track wheels |
| 02/15/2007 | DE10157401B4 Verfahren zum Verringern der maschinellen Hartbearbeitungszeit für ein Konstantgeschwindigkeitsgelenk sowie Konstantgeschwindigkeitsgelenk A method for reducing the mechanical hard machining time for a constant velocity joint and a constant velocity joint |
| 02/15/2007 | CA2617818A1 High-strength steel for seamless, weldable steel pipes |
| 02/15/2007 | CA2616360A1 High strength steel sheet and method for manufacturing the same |
| 02/14/2007 | EP1751319A1 Adiabatic roll |
| 02/14/2007 | EP1052302B1 High strength cold rolled steel plate and method for producing the same |
| 02/14/2007 | CN2869032Y High frequency automatic annealing machine |
| 02/14/2007 | CN2869030Y Shaft-like part tempering machine |
| 02/14/2007 | CN1914449A Screw joint for oil well pipe, and method of producing the same |
| 02/14/2007 | CN1914377A Welding unit for welding two rails of a track and corresponding method |
| 02/14/2007 | CN1914347A 弹簧用钢丝 Spring steel wire |
| 02/14/2007 | CN1914346A High-rigidity/high-strength thin steel sheet and manufacturing method therefor |
| 02/14/2007 | CN1914345A High-rigidity/high-strength thin steel sheet and manufacturing method therefor |
| 02/14/2007 | CN1914343A Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 02/14/2007 | CN1912151A Saw blade quenching machine |
| 02/14/2007 | CN1912150A Steel tube excellent in exfoliating resistance for scale on inner surface of tube |
| 02/14/2007 | CN1911583A Repairing welding method for crack of rotor support power generator |
| 02/14/2007 | CN1300364C Magnetic base material, laminate from magnetic base material and method for production thereof |
| 02/14/2007 | CN1300362C High strength cold rolled steel sheet |
| 02/14/2007 | CN1300347C High energy continuous electric pulse on line annealing method of copper wire and its device |
| 02/14/2007 | CN1300346C Heat treatment antideforming method for metal parts and composite clamp |
| 02/08/2007 | WO2007015541A1 Hot rolled steel sheet, cold rolled steel sheet and process for producing the same |
| 02/08/2007 | WO2007015514A1 LAYERED Fe-BASED ALLOY AND PROCESS FOR PRODUCTION THEREOF |
| 02/08/2007 | WO2007014610A1 Method for contactlessly annealing parts by means of bundled radiation |
| 02/08/2007 | WO2007014439A1 Production of thin steel strip |
| 02/08/2007 | WO2007014406A1 Device for cooling a metal strip |