Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
12/2006
12/06/2006CN2844132Y Outlet pipe windproofing device against freezing for tilting cylindrical resistance rotary furnace
12/06/2006CN1875124A Thin steel sheet excelling in surface property, moldability and workability and process for producing the same
12/06/2006CN1875122A Stainless steel wire, spring, and method for producing spring
12/06/2006CN1875121A High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof
12/06/2006CN1874857A Method and device for cooling or quenching slabs and sheets with water in a cooling pond
12/06/2006CN1873041A Steel in use for fire resistant, heat insulated oil line, and preparation method
12/06/2006CN1873039A High carbon, silicon contained high-speed steel in superhard, and high toughness
12/06/2006CN1873034A Method for controlling furnace temperature of heating furnace for continuous annealing
12/06/2006CN1873033A Process and device for producing of saw-tooth and all-steel card clothing, and saw-toothed wire
12/06/2006CN1872492A Method for preparing high conductive, high temperature electronic frame material
12/06/2006CN1288358C Method for improving anti-slackness of steel bolt
12/06/2006CN1288268C Hot-rolled steel sheet with good ultra low temperature toughness and the method of producing the same
12/06/2006CN1287931C Method of producing steel strips
11/2006
11/30/2006WO2006128050A1 Razor blades and compositions and processes for the production of razor blades
11/30/2006WO2005078143A8 Method for producing a three-dimensionally formed armouring component for vehicle bodies
11/30/2006US20060266448 Seamless steel pipe for oil wells excellent in sulfide stress cracking resistance and method for producing the same
11/30/2006US20060266445 Hot rolled steel sheet and method for production thereof
11/30/2006DE102006024441A1 Aufkohlverfahren The cementation
11/30/2006DE102005024292A1 Shaft hardening, especially for raw crankshafts, uses at least one support to hold the shaft during hardening without rotation
11/29/2006EP1726861A1 Screw joint for oil well pipe, and method of producing the same
11/29/2006EP1726665A1 Double-chamber heat treating furnace
11/29/2006EP1549776B1 Cooling device for steel strip
11/29/2006CN2841672Y Hollow cellular structure drop bottom
11/29/2006CN1871369A Expansive seamless steel pipe for use in oil well and method for production thereof
11/29/2006CN1869271A Superhigh strength stainless steel and its manufacturing method
11/29/2006CN1869270A Superhigh strength steel of atmospheric corrosion resisting and its manufacturing method
11/29/2006CN1869255A Double concave arc cam quenching process
11/29/2006CN1869254A Repairing method for mechanical machine-lathed compression spring
11/29/2006CN1868624A Short process production technology of ultrathin aluminium foil
11/29/2006CN1287118C Method for producing screw compressor and its rotor
11/29/2006CN1286999C Thin steel sheet and method for manufacturing the same
11/29/2006CN1286993C Pouring furnace base and constructing method for heating furnace
11/29/2006CN1286992C Process for producing oil tempered wire
11/28/2006CA2283924C Dual-phase type high-strength steel sheets having high impact energy absorption properties and a method of producing the same
11/23/2006WO2006123497A1 Sliding member
11/23/2006WO2006122731A1 Safety armour for protection against bombardment and method for producing same
11/23/2006WO2006057836A3 Welded joints with new properties and provision of such properties by ultrasonic impact treatment
11/23/2006WO2006014970A3 Method of coating welded tubes
11/23/2006DE102004026263B4 Kurbelwelle Crankshaft
11/22/2006EP1724371A1 Zinc hot dip galvanized composite high strength steel plate excellent in formability and bore-expanding characteristics and method for production thereof
11/22/2006EP1275740B1 Method of operating a heating furnace with regenerative burners
11/22/2006CN1867688A Martensitic stainless steel pipe and method for production thereof
11/22/2006CN1867686A Method for controlling bright annealing furnace
11/22/2006CN1865481A Process for preparing bainite antiwear steel plate
11/22/2006CN1865480A Thin gauge gas cylinder steel with good stamping performance and process for producing same
11/22/2006CN1865479A Particle reinforced steel-base composite material roller by in-situ synthesis and process for preparing same
11/22/2006CN1865457A Heat treatment method for iron base MgB2 superconductor wire and belt
11/22/2006CN1285749C Roll ring steel for aluminium casting rolling mill and heat treatment method thereof
11/22/2006CN1285739C Hardfacing alloy. methods and products
11/21/2006US7137201 Method and apparatus for the production of locally reinforced sheet-metal mouldings and products made thereby
11/16/2006WO2006119944A1 Method and installation for hardening fillets of a shaft
11/16/2006WO2005094542A3 Solid state processing of industrial blades, edges and cutting elements
11/16/2006US20060254682 Method and plant for cooling a moving metal strip
11/16/2006DE4231344B4 Rohr für ein Achsgehäuse Tube for an axle housing
11/16/2006DE102005021856A1 Induktionserwärmungsanlage Induction heating system
11/16/2006DE102005021793A1 Verfahren und Anlage zum Härten von Übergangsradien einer Welle Method and apparatus for curing transition radii of a wave
11/16/2006DE102005021496A1 Verfahren zur Herstellung eines magnetisch wirksamen Elements einer elektrischen Maschine und Vorrichtung zur Durchführung des Verfahrens A process for the preparation of a magnetically active element of an electrical machine and apparatus for carrying out the method
11/15/2006EP1722187A1 Method of prooducing a penetrator
11/15/2006EP1721994A1 Induction heating device for simultaneous heating of multiple workpieces
11/15/2006EP1721044A1 Welding unit for welding two rails of a track and corresponding method
11/15/2006EP1721018A1 Method for producing a structural part from hypereutectoid steel
11/15/2006EP1412542B1 Method for strengthening a steel channel member
11/15/2006CN1863935A 滚动轴承 Rolling
11/15/2006CN1863934A High-strength magnetic steel sheet and worked part therefrom, and process for producing them
11/15/2006CN1863931A Thin-walled part producing method, bearing raceway ring, thrust needle roller bearing, rolling bearing raceway ring producing method, rolling bearing raceway ring, and rolling bearing
11/15/2006CN1861832A Martensitic stainless steel for oil well and its producing method
11/15/2006CN1861813A The processing apparatus using inducting heating of the part in the long bar and a method thereof
11/15/2006CN1861812A Heat treatment method of high speed steel cold rolling roller end
11/15/2006CN1861811A Annealed amorphous alloys for magneto-acoustic markers
11/15/2006CN1861389A High precision composite nickel steel band and its prodn. technique
11/15/2006CN1861388A Method for preparing high-temp. superconductive composite Ni alloy base belt
11/15/2006CN1284666C Production of heat resistant alloy with good high temperature oxidation resistance
11/09/2006WO2006118243A1 Carburized induction-hardened component
11/09/2006WO2006118242A1 Steel member and process for heat treatment thereof
11/09/2006US20060249232 Coil winding method for metal in bars
11/09/2006DE102006018382A1 Stoßdämpfender Fahrzeug-Träger Shock-absorbing car-carrier
11/08/2006EP1344010B1 Hardening fixture
11/08/2006CN1860249A High-yield-ratio high-strength thin steel sheet and high-yield-ratio high-strength hot-dip galvanized thin steel sheet excelling in weldability and ductility as well as high-yield-ratio high-strength
11/08/2006CN1860247A High strength thin steel sheet excellent in hole expansibility and ductility
11/08/2006CN1858286A High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties
11/08/2006CN1858284A Super fine crystal microalloyed medium carbon steel coil and its producing method
11/08/2006CN1858269A Annealing treating process for cold rolled steel coil
11/08/2006CN1858268A Quenching process and its quenching device for bearing internal and external rings
11/08/2006CN1283813C Method for heating titanium and titanium alloy ingot
11/02/2006WO2006114446A1 Device and method for the treatment of surfaces of metallic components by means of a laser beam, comprising a translucent deflection unit
11/02/2006WO2006114445A1 Device and method for treating cylindrically shaped surfaces by using a laser beam having an essentially circular cross-section
11/02/2006US20060243357 Method and device for cooling a steel strip
11/02/2006US20060243355 Stabilizer bar
11/02/2006US20060243354 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
11/02/2006US20060243353 Welding together low and high carbon steels
11/02/2006EP1718118A1 Method and device for induction heating and hardening apparatus
11/02/2006EP1717331A1 Steel sheet or steel pipe being reduced in expression of baushinger effect, and method for production thereof
11/02/2006EP1717330A1 Metal tube for use in carburizing gas atmosphere
11/02/2006EP1717324A1 Stabilizer bar
11/02/2006EP1716267A2 Method for carburizing steel components
11/02/2006EP1594997A4 Eglin steel - a low alloy high strength composition
11/02/2006DE102004062844B4 Verfahren zur Herstellung einer Zwischenwelle mit einer integralen Kugelnabe A process for preparing an intermediate shaft with an integral ball hub
11/01/2006CN1856589A Hot rolled steel sheet for working
11/01/2006CN1854543A Hardened and toughened nut
11/01/2006CN1854542A Hardened and toughened nut