Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
09/1997
09/23/1997US5669992 Bumper beam making process
09/23/1997US5669988 Forming hard outer layer for improved durability, nitriding, carbonitriding, heat treatment
09/18/1997WO1997033706A1 Ultra-thin sheet steel and method for manufacturing the same
09/17/1997EP0795616A1 Process for continuously heat treating metal strip in different atmospheres
09/17/1997EP0795615A1 Method and device for inductive surface hardening of workpieces
09/17/1997EP0795038A1 Sprocket and manufacturing method thereof
09/16/1997US5667603 Hardening process and apparatus for holed flat parts
09/12/1997CA2197146A1 Variable soft cooling header
09/11/1997DE19633758C1 Railway rail processing
09/10/1997EP0794262A1 A temperature-raising bainite forming process
09/10/1997EP0794028A1 Structural girder made out of at least one web and one flange welded by energy radiation with bending stress compensation
09/10/1997EP0794022A2 Method, device and cooling medium for the cooling of profiles
09/10/1997CN1159213A Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
09/09/1997US5665303 Arrangement for heat treatment of steel wire
09/09/1997US5665302 Method and equipment for bringing metal alloy ingots, billets and the like to the semisolid or semiliquid state in readiness for thixotropic forming
09/09/1997US5665182 High-carbon steel wire rod and wire excellent in drawability and methods of producing the same
09/09/1997US5665181 Method and production plant for producing hot-rolled wide strip
09/09/1997US5665179 Process for producing a coil spring
09/04/1997WO1997032051A1 Bake hardenable vanadium containing steel
09/04/1997WO1997032050A1 Bearing material
09/04/1997WO1997032049A1 Cast iron and piston ring
09/03/1997EP0699258B1 Sheet metal covering strips
09/03/1997CN1158641A Method of continuous annealing of cold rolled steel plate and equipment thereof
09/03/1997CN1158362A Multicomponent alloyed cast and forged wearing, corrosion resistant and high toughness grinding balls and its prodn. method
09/03/1997CN1035779C Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material
09/02/1997US5664041 Coating system for glass adhesion retention
09/02/1997US5662747 Bainite wire rod and wire for drawing and methods of producing the same
08/1997
08/27/1997EP0791081A2 Bake hardenable vanadium containing steel
08/27/1997CN1157768A Fabrication method of welded steel pipe using dual-phase stainles steel
08/26/1997US5660650 Method and apparatus for correcting the hardening deformation of annular elements
08/26/1997US5660647 Rolling element is made of alloy steel containing carbon, vanadium, chromium, manganese, silicon, molybdenum and iron
08/21/1997WO1997030319A1 Pusher furnace drop-out conveyor
08/21/1997WO1997029879A1 Cutting die and method of forming
08/21/1997WO1997029878A1 Cutting die and method of making
08/21/1997WO1997020955A3 Skid mounted precision heat treat system
08/21/1997CA2245866A1 Cutting die and method of making
08/20/1997EP0790320A1 Bell type furnace
08/20/1997CN1157329A Hood-type annealing furnace
08/19/1997US5659876 Method of producing washer having boss
08/19/1997US5658527 Temperature detector gives signal in case of rapid temperature increase
08/19/1997US5658400 Rails of pearlitic steel with high wear resistance and toughness and their manufacturing methods
08/19/1997US5658399 Bainite wire rod and wire for drawing and methods of producing the same
08/19/1997US5658082 Carbon steel race member with case-hardened layer obtained by carbonitriding
08/19/1997CA2120249C Induction heating device for metal strip
08/19/1997CA2072211C Heat treatment apparatus and methods of repair of turbine blades
08/14/1997DE19604941A1 Stepping conveyor used in continuous annealing furnace
08/13/1997EP0788993A1 Roll for take-up equipment for hot rolling mill
08/13/1997EP0788850A1 Steel pipe manufacturing method and apparatus and steel pipe manufactured thereby
08/12/1997US5656106 Apparatus and method for net shape finishing of gears
08/12/1997US5656102 Controlling vanadium/carbon ratio; cold rolling; hot rolling
08/09/1997CA2169125A1 Hood-type annealing furnace
08/07/1997WO1997027952A1 Process and device for reverse rolling metal strips
08/06/1997EP0787808A1 Method and device for in-line-pickling of hot rolled strip in sequence with thin slab production
08/06/1997CN2258876Y Medium frequency induction continuous heating furnace for step shafts
08/06/1997CN1156185A Zinc plated steel plate with good anti-grainy defect and zinc plated steel plate and its producing method
08/06/1997CN1156065A Process for continuous production of rolled stainless steel sheet strip and continuous production line for carrying out process
08/05/1997US5653937 Method for heat treating an impact beam of automotive vehicle door and a system of the same
07/1997
07/31/1997WO1997027341A1 Process for continuously casting sheet metal and apparatus for continuously producing sheet metal
07/31/1997WO1997027340A1 Process for improving the tape tension on the surface of a chrome-steel tape drive spindle
07/30/1997EP0785837A1 Interactive laser welding at elevated temperatures of superalloy articles
07/30/1997CN1155585A Seal assembly for heat treatment furnaces using atmospheric gas containing hydrogen gas
07/30/1997CN1035519C Continuous annealer
07/29/1997US5651938 High strength steel composition having enhanced low temperature toughness
07/24/1997WO1997026385A1 Drawing stock for reinforcing plastic or rubber articles
07/24/1997WO1997026379A1 Ready-to-use metal wire and method for producing same
07/24/1997WO1997026378A1 HOT ROLLED Cr-Ni STAINLESS STEEL PLATE OF LOW ANISOTROPY AND PROCESS FOR PRODUCING THE SAME
07/24/1997DE19634402C1 Producing cam
07/24/1997DE19611929C1 Heavy duty steel-backed bearing
07/24/1997CA2243324A1 Ready-to-use metal wire and method for producing same
07/24/1997CA2215609A1 Low anisotropic cr-ni-based hot rolled stainless steel sheet and process for its production
07/23/1997EP0785402A1 Heat treatment installation for metallic article loads
07/23/1997EP0785287A2 Gas furnace for continuous heating of metal bars
07/23/1997EP0785285A1 Method for producing high tensile strength stainless steel
07/23/1997EP0785283A1 Method of making ultra low-carbon steel
07/23/1997EP0785039A2 Solidification of an article extension from a melt using a ceramic mold
07/23/1997CN1155013A Heat treatment method for vanadium-contained alloy steel rail
07/22/1997US5650026 Heat treating apparatus and method
07/22/1997US5649355 Welding electrode with flat blade and related method of manufacture
07/20/1997CA2195369A1 Method of making ultra low-carbon steel
07/17/1997CA2195163A1 Process for producing dual phase ferritic stainless steel strip
07/16/1997EP0784098A1 Heat treatment apparatus for the solution annealing of aluminium alloy components for the aerospace industry
07/16/1997CN1154413A Process for heat treatment of steel rail
07/15/1997US5648043 Baffling system for uniformily cooling billet loads
07/15/1997US5647918 Bainite wire rod and wire for drawing and methods of producing the same
07/10/1997WO1997024468A1 Primary cooling method in continuously annealing steel strip
07/10/1997WO1997024467A1 Methods for annealing and pickling high manganic cold rolled steel sheet
07/10/1997WO1997024465A1 Continuously annealed soft temper blackplates for drawn and ironed cans and deep drawn vessels, and manufacturing method therefor
07/09/1997CN1153685A Producing equipment for ferrite zone hot rolling strip and producing process for ferrite strip
07/08/1997US5645656 Method of manufacturing a steel having good formability and good resistance to indentation
07/08/1997US5645655 Process to anneal steel strips in an annealing furnace without generating carbon black
07/08/1997US5645653 Rails
07/08/1997US5645418 Pusher furnace drop-out conveyor
07/02/1997EP0781855A1 Heat treatment apparatus
07/02/1997EP0583445B1 Work hardened stainless steel for springs
07/02/1997CN1153537A Equipment for continuously manufacturing metal coils and metal coil manufacturing method
07/01/1997US5643697 Metal foils with preforations treated with heat
06/1997
06/26/1997WO1997022724A1 Process and apparatus to enhance the paintbake response and aging stability of aluminum sheet materials and product therefrom
06/26/1997DE19547690A1 Heat treatment of a plastically deformable workpiece
06/26/1997CA2240441A1 Process and apparatus to enhance the paintbake response and aging stability of aluminum sheet materials and product therefrom
06/25/1997EP0780482A1 Cold-rolled steel sheet, highly suitable for welding and brazing