Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654)
09/1986
09/09/1986US4610734 Process for manufacturing corrosion resistant chromium steel
09/09/1986CA1211077A1 Method of mechanically prestressing a tubular apparatus
09/03/1986EP0193373A2 Method of producing cube-on-edge oriented silicon steel from strand cast slab
09/03/1986EP0193324A2 Extra-low iron loss grain oriented silicon steel sheets
09/02/1986US4609410 Transformation of austentile to martensite and bainite
09/02/1986US4608851 Warm-working of austenitic stainless steel
09/02/1986CA1210670A1 Grain-oriented electrical steel sheet having a high magnetic flux density
08/1986
08/28/1986WO1986004929A1 Process for producing unidirectional silicon steel plate with extraordinarily low iron loss
08/27/1986CN85101950A High temp. ballshaping and annealing technology of high carbon low alloyed steel
08/27/1986CN85100667A Low iron loss high magnetic sensitive cold-rolled orientation silicon steel and its mfr. method
08/26/1986US4608100 Cold rolling, annealing, coating with refractory
08/13/1986EP0190312A1 Controlled rolling process for dual phase steels and application to rod, wire, sheet and other shapes
08/13/1986CN85100666A Low iron loss cold-rolled orientation silicon steel plate (containing 4 per cent of si) and its preparation method
08/12/1986US4605449 Controlling temperature during rolling
08/05/1986US4604147 Method of manufacturing permanent magnets
08/05/1986US4604146 Process for manufacturing high tensile steel wire
08/05/1986US4604145 Controlling cooling rate
07/1986
07/30/1986CN85100647A Controlled cooling reinforcing bar containing trace amount of titanium
07/22/1986US4601766 Low loss electrical steel strip and method for producing same
07/22/1986US4601764 Method for producing anistropic configuration magnet
07/22/1986CA1208300A1 Apparatus and process for laser treating sheet material
07/22/1986CA1208106A1 Method of making wrought high tension steel having superior low temperature toughness
07/15/1986US4600446 Method for tempering and working high strength low ductile alloy
07/15/1986CA1207640A1 Process for producing grain-oriented silicon steel
07/15/1986CA1207639A1 Low alloy steel plate and process for production therefor
07/03/1986WO1986003784A1 Method of manufacturing unidirectional silicon steel slab having excellent surface and magnetic properties
06/1986
06/25/1986EP0185437A2 Method and apparatus for reducing core losses of grain-oriented silicon steel
06/25/1986EP0185341A2 Method of increasing the strength of reinforcing steels
06/24/1986US4596614 Working steel comprising iron, carbon, manganese, silicon, aluminum, nitrogen by annealing, quenching, cold rolling, decarburization
06/24/1986US4596608 Hot rolling, cold rolling, annealing
06/24/1986US4596606 Method of making CG iron
06/24/1986CA1206399A1 Local annealing treatment for cube-on-edge grain oriented silicon steel
06/18/1986EP0184891A1 Grain-oriented silicon steel sheet and process for producing the same
06/10/1986US4594115 Process for the manufacture of rods or machine wire of martensitic stainless steel and the products which are produced
06/10/1986US4594114 Controlled annealing
06/10/1986US4594113 Microalloyin& with nitride, rolling, and controlled cooling
06/03/1986US4592789 Process for producing a grain-oriented electromagnetic steel sheet or strip
05/1986
05/27/1986US4591396 Heating, hot rolling and cooling;
05/27/1986US4591395 Method of heat treating low carbon steel strip
05/27/1986CA1205142A1 Radio frequency induction heating device
05/22/1986WO1986002950A1 Method of manufacturing unidirectional electromagnetic steel plates of low iron loss
05/21/1986EP0181583A2 Method of making a dual-phase hot-rolled steel strip
05/14/1986EP0180935A2 A method of reducing the porosity of a casting
05/13/1986US4588453 Method of manufacturing grain-oriented silicon steel sheets
05/09/1986WO1986002667A1 Method for producing prestressed steel
05/07/1986EP0179952A1 Method for producing high strength steel with good ductility
05/07/1986EP0179832A1 Method for producing steel bars or rod wire and corresponding products
05/06/1986US4586966 Method of producing cold-rolled steel sheet exhibiting improved press-formability
05/06/1986US4586965 Production of a base steel sheet to be surface-treated which is to produce no stretcher strain
04/1986
04/30/1986EP0179506A1 Method of drape drawing a shadow mask for a colour display tube and device for such a method
04/29/1986US4585062 Cold-deformed carbon or low-alloyed steel
04/22/1986US4584036 Hot working of amorphous alloys
04/22/1986US4584035 Steel sheet, and a production process therefor, for use in the manufacture of an end for an easy-to-open can: and an end for an easy-to-open can
04/22/1986US4584032 Bolting bar material and a method of producing the same
04/22/1986US4584031 Using a corrosion proof austenitic alloy for high load weldable components
04/22/1986US4583387 Apparatus for thermomechanically rolling hot strip product to a controlled microstructure
04/22/1986CA1203456A1 Process for preparing strips or sheets of high strength austenitic steel having improved fatigue strength
04/16/1986EP0177851A1 Steel materials for welded structures
04/16/1986EP0177739A2 Use of a steel for parts in refrigeration technology
04/15/1986US4582547 Adding an inert, high temperature separator agent
04/10/1986WO1986002195A1 Hot working of amorphous alloys
04/10/1986WO1986002105A1 Process for producing thin magnetic steel plate having high permeability
04/10/1986WO1986002102A1 Process for producing a thin plate of a high ferrosilicon alloy
04/10/1986CN85102387A Compound toughening treatment process of the die steel of high carbon, high chromium series
04/08/1986US4581078 Stiffening; sizing; increased resistance to surface scratching
04/08/1986CA1202865A1 Process for producing cold rolled steel sheets having excellent press formability and ageing property
04/02/1986EP0176272A1 Shape memory alloy and method for producing the same
04/02/1986EP0176139A1 Layered steel cord
04/01/1986US4580119 Iron, chromium, and cobalt alloy tube section and radial flange segment
04/01/1986US4579608 Forsterite coating
04/01/1986CA1202551A1 Method of manufacturing cold rolled steel sheets for extra deep drawing with an excellent press formability
04/01/1986CA1202550A1 Laser treatment of electrical steel
04/01/1986CA1202549A1 Method for producing cube-on-edge oriented silicon steel
03/1986
03/25/1986US4578124 High strength low carbon steels, steel articles thereof and method for manufacturing the steels
03/18/1986US4576658 Hor eollinf, awrrinf, xols eollinf, annealingf, decarbonization, crystallization
03/18/1986US4576657 Process of manufacturing a cold rolled steel sheet having excellent press formability
03/18/1986US4576656 Method of producing cold rolled steel sheets for deep drawing
03/18/1986US4576655 Method for producing high strength steel with good ductility
03/18/1986CA1201960A1 Method of manufacturing steel reinforcements for concrete, having improved properties
03/12/1986EP0174087A2 A method of making compacted graphite iron
03/11/1986US4574604 Process and apparatus for high speed fabrication of copper wire
03/05/1986EP0173675A1 Method and device for producing especially metallic work pieces, preferably from steel
02/1986
02/27/1986WO1986001231A1 Controlled rolling process for dual phase steels and application to rod, wire, sheet and other shapes
02/26/1986EP0172544A2 Process for heat treating hot rolled steel rod or wire for prestressing concrete
02/25/1986US4572748 Uniform mechanical properities by direct quenching
02/18/1986US4571367 Hot-dip aluminum coated steel strip having excellent strength and oxidation resistance at elevated temperatures and process for production thereof
02/18/1986US4570708 High strength steel pipes
02/12/1986EP0171212A1 Rolled steel bar
02/12/1986EP0171208A1 Cold-rolled steel sheets and a method of manufacturing the same
02/12/1986EP0171197A2 Process for producing, by continuous annealing, soft blackplate for surface treatment
02/12/1986EP0171132A2 Method for producing a weldable austenitic stainless steel in heavy sections
02/05/1986EP0170598A1 Process for manufacturing hot-rolled martensitic stainless steel rods or rod wire, and products obtained
02/05/1986EP0170463A2 Method for rolling and heat treating small diameter stainless steel rod
02/04/1986US4568394 Cold drawing a rod after austenitizing, oil quenching, and tempering; fatigue
01/1986
01/29/1986EP0169587A1 High-performance carbon steel wire
01/21/1986CA1199560A1 Process for producing deep-drawing cold rolled steel sheets and strips
01/15/1986EP0168038A2 High tensile-high toughness steel
01/07/1986US4563226 Process for producing a grain-oriented electrical steel sheet
01/07/1986US4563222 High strength bolt and method of producing same
01/02/1986EP0166239A1 Process for producing concrete-reinforcing steel bars or rods emerging from the rolling mill