Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/1993
09/21/1993CA1322345C Cold-rolled steel strip with electrodeposited nickel coating exhibiting a large diffusion depth, and process for producing said coated strip
09/16/1993WO1993018342A1 Porous metal fiber plate
09/16/1993WO1993018189A1 High strength steel sway bars and method of making
09/16/1993CA2117605A1 Porous metal fiber plate
09/15/1993EP0560375A2 Low-chromium ferritic heat-resistant steel with improved toughness and creep strength
09/15/1993CN1076223A Hot-rolled low-alloy high-strength steel plate and preparing process thereof
09/15/1993CN1076222A Solid metal-carbon matrix of metallofullerites and method of forming same
09/15/1993CN1076143A Regenerating technique for waste material of silicon sheet
09/14/1993US5244627 Suitable for magnetic heads used in high density recording on magnetic tapes or disks
09/14/1993US5244626 Hot work die block
09/14/1993US5244513 Fe-cr-ni-si shape memory alloys with excellent stress corrosion cracking resistance
09/08/1993EP0559073A1 Use of a steel for the manufacturing of cutter knives
09/08/1993EP0558775A1 Superalloys with low thermal-expansion coefficient
09/08/1993EP0558691A1 New category of magnetic materials, their production and use.
09/08/1993EP0388415B1 Use of a tool steel for tools for pressing motor car sheet steel
09/08/1993CN1075987A Fe-Cr-Ni anti-corrosion high alloy
09/07/1993US5242665 Carbon containing compound treating apparatus with resistance to carbon deposition
09/07/1993US5242655 High strength vanadium containing stainless steel
09/03/1993WO1993017789A1 Highly heat resistant metallic carrier for automobile catalyst
09/02/1993WO1993017144A1 Work hardened stainless steel for springs
09/02/1993WO1993017143A1 High-chromium and high-phosphorus ferritic stainless steel excellent in weatherproofness and rustproofness
09/01/1993EP0557634A1 Abrasion-resistant steel
09/01/1993EP0557633A1 Abrasion-resistant steel
09/01/1993CN1021974C Low cobalt superhard high speed steel
08/1993
08/31/1993US5240783 Steel plate for the outside of automobile bodies electroplated with a zinc alloy and a manufacturing method therefor
08/31/1993US5240520 High strength, ultra fine steel wire having excellent workability in stranding and process and apparatus for producing the same
08/31/1993US5240516 High-chromium ferritic, heat-resistant steel having improved resistance to copper checking
08/28/1993CA2063329A1 Abrasion-resistant steel
08/28/1993CA2063327A1 Abrasion-resistant steel
08/25/1993EP0557103A1 Master alloy for magnet production and its production, as well as magnet production
08/25/1993EP0556531A1 Shaving head, in particular the razor blade unit of a mechanical razor
08/25/1993CN1021918C Process for improving cold formability of heat-treatable steels
08/24/1993US5238645 Containing chromium, molybdenum, carbon, carbide former
08/24/1993US5238508 Ferritic-austenitic duplex stainless steel
08/24/1993US5238482 Atomizing molten tool steel alloy at high temperature, rapidly cooling to form particles with vanadium carbide dispersion
08/24/1993CA1321492C Method of ascertaining the magnitude of forces acting upon rolls in rolling mills
08/19/1993WO1993016208A1 Cold-resistant cast steel
08/18/1993EP0224591B1 Process for producing high-strength seamless steel pipes excellent in sulfide stress corrosion cracking resistance
08/18/1993CN1075280A Shaving knife head, especially its cutting blade components of wet type shaving knife
08/17/1993US5236522 Nonswelling
08/17/1993US5236521 Carbon, silicon, manganese, titanium, iron, titanium carbide
08/17/1993US5236520 Geometric configuration; at least one bend; preferred orientation of grains; warm working
08/11/1993EP0555142A1 Composite roll for use in hot rolling of flat products and rolling process using these rolls
08/11/1993EP0555126A1 Composite roll for use in cold rolling of flat products and rolling process using this roll
08/11/1993EP0367831B1 Process for producing nonoriented electric steel sheet
08/11/1993EP0357796B1 Process for producing nonoriented electric steel sheet
08/11/1993CN1075172A High-strength ductile steel
08/10/1993US5234771 Iron, neodynium and boron alloy coated with condensation product of tannic acid, phenols and aldehydes
08/10/1993US5234513 Used for color cathode ray tubes
08/10/1993US5234512 Fe-ni alloy sheet for shadow mask, excellent in etching pierceability, preventing sticking during annealing, and inhibiting production of gases
08/10/1993CA1321125C Process for producing a cold rolled steel sheet having a good ageing resistance by continuous annealing
08/05/1993WO1993015239A1 Austenite cast steel
08/05/1993WO1993015233A1 High-strength steel parts and method of making
08/05/1993WO1993014931A1 Composite roll for hot rolling flat products, and rolling method using same
08/05/1993WO1993014930A1 Composite roll for cold rolling flat products, and use thereof
08/05/1993DE4202828A1 Rapidly solidified wear resistant iron@ alloys - contain finely dispersed niobium carbide in martensitic matrix
08/04/1993EP0553527A1 Powder material for rare earth-iron-boron based permanent magnets
08/04/1993EP0553388A2 Caliber roll for rolling and manufacturing method of its roll main body
08/04/1993EP0435885B1 Metallic glass alloys for mechanically resonant target surveillance systems
08/03/1993US5232660 Nitrogen steel and method of manufacture thereof
08/03/1993US5232524 Process for the production of thin sheet metals intended for deep-drawing
08/03/1993US5232520 High-strength martensitic stainless steel having superior fatigue properties in corrosive and erosive environment and method of producing the same
07/1993
07/28/1993EP0552800A1 Thin metallic sheet for shadow mask
07/28/1993EP0309587B1 Abrasion-resistant composite roll and process for its production
07/27/1993US5230755 Protective layer for a metal substrate and a method of producing same
07/27/1993US5230752 Ferritic stainless steel and process for producing such a steel
07/22/1993WO1993014230A1 Railway-track elements and method of manufacturing them
07/22/1993DE4201673A1 Electrode for build=up welding on high alloy steel surfaces - contains carbon, chromium@, manganese@, nickel@, silicon@, phosphorus, sulphur and iron@, used in e.g. water pumping plants against cavitation wear
07/21/1993EP0551711A1 Heater sheath alloy
07/20/1993US5229069 High strength alloy steels for tire reinforcement
07/20/1993US5228932 Fe-cr-al alloy, catalytic substrate comprising the same and method of preparation
07/15/1993DE4200545A1 Gleisteile sowie verfahren zur herstellung dieser Track parts, as well as processes for preparing these
07/14/1993EP0551141A1 Oriented magnetic steel sheets and manufacturing process therefor
07/14/1993EP0532701A4 Improved magnetic materials and process for producing the same
07/14/1993CN1021607C Producing method and apparatus of anisotropic micro rare earth permanent magnetic material
07/13/1993US5226984 Corrosion resistant alumina scale by oxidation
07/13/1993CA1320110C Process for manufacturing building construction steel having excellent fire resistance and low yield ratio, and construction steel material
07/13/1993CA1320108C Process for preparation of grain-oriented electrical steel sheet having excellent magnetic and film characteristics
07/13/1993CA1320107C Process for making non-oriented high silicon steel sheet
07/08/1993WO1993013236A1 Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties
07/08/1993WO1993013235A1 High strength stainless steel foil for corrugation and method of making said foil
07/08/1993WO1993013234A1 Damping alloy
07/08/1993WO1993013232A1 Solid metal-carbon matrix of metallofullerites and method of forming same
07/08/1993WO1993013231A1 Non-oriented electromagnetic steel sheet having very good magnetic characteristics and method of manufacturing the same
07/08/1993CA2127244A1 Solid metal-carbon matrix of metallofullerites and method of forming same
07/07/1993EP0550294A1 Elongated product for cold forming manufacturing process, more particularly for cold coining of shaped products such as bolts, and process for manufacturing this cold formed product
07/07/1993CN1073987A Corrosion-resisting stainless steel for measuring tool
07/06/1993US5225008 Method for manufacturing a high-strength spring
07/01/1993WO1993013233A1 Austenitic high manganese steel having superior formability, strength and weldability, and manufacturing process therefor
07/01/1993DE4143012A1 Stahl fuer kaltwalzen Steel for cold rolling
06/1993
06/30/1993EP0548950A1 Low-yield-ratio high-strength hot-rolled steel sheet and method of manufacturing the same
06/30/1993EP0548405A1 Heat-resistant alloy having high creep rupture strength under high-temperature low-stress conditions and excellent resistance to carburization
06/30/1993EP0548339A1 Grain oriented electrical steel sheet having superior magnetic properties, and manufacturing process thereof.
06/30/1993EP0548119A1 Austenitic wear resistant steel and method for heat treatment thereof
06/30/1993CN1073728A Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties
06/29/1993US5223049 Steel for induction hardening
06/24/1993WO1993012263A1 High-strength thin plate of iron-nickel-cobalt alloy excellent in corrosion resistance, repeated bending behavior and etchability, and production thereof
06/24/1993DE4235141A1 Parts made from hot pressed iron@-chromium@-aluminium@ alloy powder - with powder exposed to oxygen@ atmosphere prior to pressing to form protective aluminium oxide layer which prevents part becoming embrittled at high temp.
06/23/1993EP0547626A1 Steel for use in exhaust manifolds of automobiles
06/23/1993CN1073489A Iron-base powder smelted brake ring for tractor