Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
02/2001
02/08/2001DE19935780A1 Verfahren und Einrichtung zum Kühlen eines Metallbandes Method and apparatus for cooling a metal strip
02/08/2001DE10016748A1 Verfahren und Vorrichtung zum kontinuierlichen Einsetzen unter Vakuum Method and apparatus for continuously inserting in vacuo
02/08/2001CA2380969A1 High resistance steel band or sheet and method for the production thereof
02/07/2001EP0970256B1 Hot-rolling steel strip
02/07/2001CN1061570C Process for preparation of cold rolled stainless steel strips and metal strips, more particularly of titanium alloys
02/06/2001US6183246 Method of heating a continuously charged furnace particularly for steel-making products, and continuously charged heating furnace
02/01/2001WO2001007668A1 Method and device for hardening bearing surfaces of crankshafts
02/01/2001DE19961452C1 Process for surface treatment of metallic workpieces comprises using inductive heat treatment in which the loading force is kept constant during the change in length of the workpiece determined by the heat treatment
01/2001
01/31/2001EP1072689A1 Process of manufacturing thin "TRIP" type steel strips and strips obtained thereby
01/31/2001EP1072169A2 Induction hardening apparatus for a crankshaft
01/31/2001EP1071373A1 Process for the cleaning and heat treatment of surgical needles
01/31/2001CN2417180Y Coil base diffuser
01/30/2001US6179936 Method for heat-treating a hollow cylindrical workpiece
01/30/2001US6178852 Rotary die laser machining and hardening apparatus and method
01/30/2001US6178798 Selectively heat treated side intrusion beams and method for making the same
01/30/2001US6178631 Method of heating and quenching a hollow metal member
01/25/2001WO2001006022A1 Method for making a continuous steel strip
01/24/2001EP1070763A1 HIGH Cr STEEL PIPE FOR LINE PIPE
01/24/2001EP1070760A2 High bearing pressure-resistant member and production process therefor
01/24/2001EP1069962A1 Deep-drawn parts made of spring sheet steel which are especially used as a lightweight structural member or a vehicle body part, and a method for the production thereof
01/23/2001US6177205 Process for manufacture of a railroad track part, comprising a first part made of carbon steel and a second part made of austenitic manganese steel
01/23/2001US6177044 Bell-shaped furnace
01/23/2001US6176948 Method for the manufacture of components made of steel
01/23/2001US6176946 Martensite matrix with a gradient carbide phase of chromium, molybdenum and vanadium; primary carbide inhibition, compressive strength, gears
01/23/2001CA2195287C Railway wheel and manufacturing method of the railway wheel
01/23/2001CA2050566C Cold reduced non-aging deep drawing steel and method for producing
01/18/2001WO2001004371A1 Continuous casting steel plate for porcelain enameling excellent in formability, resistance to occurrence of bubble or black point, and adhesion with porcelain enamel
01/17/2001EP1069435A2 Rolling bearing unit for wheel
01/17/2001EP1069199A1 Wire for high-fatigue-strength steel wire, steel wire and production method therefor
01/17/2001EP1069193A1 Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace
01/17/2001EP1068368A1 Stainless steel
01/17/2001CN1280755A Induction hardening apparatus for a crankshaft
01/16/2001US6174390 For a coil spring as a spiral part that requires a heat treatment process.
01/16/2001US6174389 Fixture and method for selectively quenching a predetermined area of a workpiece
01/16/2001US6174258 Toroidal-type continuously variable transmission
01/16/2001US6174132 A steam turbine which permits a heightened steam temperature of 610-660 degree c. by heat resistant ferritic steels and exhibits a high thermal efficiency; rotor shaft, moving blades and fixed blades are made of high strength martensitic steel
01/11/2001WO2000063568A3 Method and device for completing outer joint elements that are formed without cutting
01/10/2001EP1067204A1 Process and device to prevent strip fluttering in the gas blowing zones, in particular in the cooling zones
01/10/2001EP1067203A1 Process of manufacturing iron-carbon-manganese alloy strips and strips obtained thereby
01/10/2001EP0910676B1 Process for producing a grain-orientated electrical steel sheet
01/10/2001EP0673443B2 Method of annealing steel strip in an annealing furnace without the formation of soot
01/10/2001CN1279296A Method and device for eliminating vibration of band materials in cooling area, especially nozzle area
01/09/2001US6171416 Method of producing can steel strip
01/09/2001US6171415 Welding metal product, induction a surface site, establish a wave energy frequency and decreasing internal ultrasonic wave energy magnitude
01/09/2001US6171412 Aging resistance for steel sheets
01/09/2001US6171042 Hardened steel pin, pin and washer fastener, washer for fastener, and pin-making method
01/09/2001US6170284 Apparatus for the controlled cooling of hot-rolled sections, particularly beams, directly from the rolling heat
01/09/2001CA2063559C Method for producing steel wires for the manufacture of flexible ducts, steel wires thereby obtained and flexible ducts reinforced therewith
01/04/2001WO2001000894A1 590MPa CLASS VERY THICK H-STEEL EXCELLENT IN TOUGHNESS AND PRODUCTION METHOD THEREOF
01/04/2001WO2001000350A1 Metal gasket and method of manufacture
01/03/2001EP1065287A1 Heat treatment installation with at least a muffle furnace
01/03/2001EP1065286A1 Low aluminum steel sheet for cans
01/03/2001EP1065285A1 Aluminum killed low carbon steel sheet for cans
01/03/2001EP1065284A1 Aluminum killed low carbon steel sheet for cans
01/03/2001EP1065283A1 Aluminum killed medium carbon steel sheet for cans
01/03/2001EP1065282A1 Low aluminum steel sheet for cans
01/03/2001EP1064660A1 Amorphous alloy with increased operating induction
01/03/2001CN2412909Y Stepped billet heating furnace bottom water cooling free device
01/03/2001CN1278872A Method for covering electric steel strips with an annealing separtor
01/03/2001CN1278751A Method to control the axial position of slabs emerging from continuous casting and relative device
01/02/2001US6168754 Method and apparatus for densifying powder metal preforms
01/02/2001CA2213929C High strength and high toughness steel wires and method for making the same
12/2000
12/28/2000WO2000079017A1 Use of a stainless steel for umbilicals in seawaters
12/28/2000WO2000079016A1 Rolling structure steel
12/28/2000WO2000052965A3 A method of heating metal strip and apparatus therefor
12/27/2000EP1063306A2 Joule effect continuous annealer for multiple wire drawing machines
12/27/2000EP1063305A1 Induction heater
12/27/2000EP1063304A1 Masking device for a colour flat screen cathode ray tube comprising a supporting frame for planar mask and planar mask
12/27/2000CN1278105A Shadow mask used for plane color cathode-rays tube
12/27/2000CN1278014A Heat treatment process for superthin large circular shape medium-high carbon steel workpiece
12/26/2000US6166360 Heat treating of metallurgic article with varying aspect ratios
12/22/2000CA2312415A1 Masking device for a flat-screen colour display tube of the type including a tensioned shadow mask support frame and tensioned shadow mask
12/21/2000WO2000077265A1 Wear-and fracture-resistant steel
12/21/2000DE19940845C1 Fine wire production process, especially for producing steel wires for textile fiber carding, uses the same furnace and-or cooling system for pre-annealing and drawn wire hardening treatment
12/20/2000EP1061139A1 Method of manufacturing deep drawing steel sheets by direct casting of thin strips and sheets obtained by this method
12/20/2000EP1060805A2 Adjusting method for two shielding elements arranged above a metal strip and corresponding adjusting device
12/20/2000EP1060277A1 Method for hardening and tempering steel strips
12/20/2000EP1060276A1 Device for hardening cylindrical bearing points of a shaft
12/20/2000EP0770692B1 Sealing device for zone outlet/inlet of continuous heat treatment furnace, continuous vacuum evaporation equipment and the like
12/19/2000US6162390 Steel for bearings
12/19/2000US6162308 Process for producing an easily shaped cold-rolled sheet or strip
12/19/2000US6162275 Forming, cutting tools
12/14/2000WO2000075381A1 High-strength spring and production method therefor
12/14/2000DE19941993C1 Tubular profile manufacturing method for passenger vehicle rear axle uses cold-forming of central part of round cross-section steel tube before localised heating and hardening in water
12/14/2000DE10018890A1 Method and appliance for finishing non-cutting shaping of homocinetic joints involve inner cavity of outer part, with t racks, calibrating pin between jaws
12/13/2000EP1058588A1 Installation for making cold-rolled stainless steel bands
12/13/2000EP0927505B1 Device for rotating and simultaneous hardening by electric induction
12/12/2000US6160248 Device for electro-inductive hardening of bearing surfaces and transition radii in crankshafts
12/12/2000US6159311 Strength and toughness; suitable for use as a material for drilling oil wells or natural gas wells, and constructing various plants and buildings
12/12/2000US6159305 Patterning sheet of silicon steel to form a rotor lamination having slots; annealing the rotor lamination
12/07/2000WO2000073518A1 Method for producing steel sheet for shadow mask being excellent in accuracy of thickness in longitudinal direction
12/07/2000DE19925535A1 Verstellverfahren für zwei über einem Metallband angeordnete Abschirmelemente und hiermit korrespondierende Verstellvorrichtung A method of adjusting a pair of spaced over a metal tape shield and hereby corresponding adjustment
12/07/2000DE10023488A1 Verfahren zur Herstellung von geschweißten Stahlrohren hoher Festigkeit, Zähigkeits- und Verformungseigenschaften A process for the production of high strength welded steel tubes, toughness and deformation properties
12/06/2000EP1057897A2 Apparatus and process for heat treating metallic material
12/06/2000EP1057577A2 Laser welding method for obtaining a seam surface suitable for the application of a corrosion-resistant surface protection system
12/06/2000CN2409215Y Wire heater
12/06/2000CN1275626A Heat treatment method for coilled spring steel band and application of same
12/06/2000CN1275448A Vibration-damper for steel sheet
12/06/2000CN1059239C Improvements in and relating to cartide-free bainitic steels and method of producing such steels
11/2000
11/30/2000WO2000071954A1 Annealing furnace