Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
---|
04/12/1994 | US5302097 Heat resistant hot formable austenitic steel |
04/06/1994 | CN1024142C Graphite antifriction steel containing sulphur |
04/06/1994 | CN1024141C Steel sheets for porcelain enameling and method of producing same |
04/05/1994 | EP0567612A4 Nonoriented electrical steel sheets with superior magnetic properties, and methods for manufacturing thereof. |
04/05/1994 | CA1328179C Free-cutting steel having high fatigue strength |
03/31/1994 | WO1994006948A1 Ferrite single phase cold rolled steel sheet or fused zinc plated steel sheet for cold non-ageing deep drawing and method for manufacturing the same |
03/30/1994 | EP0589435A2 Refractory shape steel material containing oxide and process for producing rolled shape steel of said material |
03/30/1994 | EP0589424A2 Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material |
03/30/1994 | EP0589415A1 Steel sheet for press working that exhibits excellent stiffness and satisfactory press workability |
03/30/1994 | EP0588904A1 Iron-based powder composition having good dimensional stability after sintering |
03/30/1994 | CN1084668A Process for manufacturing rare-earth permanent magnet |
03/30/1994 | CN1084580A Refractory shape steel material containing oxide and process for producing rolled shape steel of said material |
03/29/1994 | US5298093 Carbon, maganese, sulfur, nickel, molybdenum, tungsten, aluminum, phosphorus, chromium, nitrogen, copper or vanadium, calcium/magnesium or boron, rare earth metal, iron |
03/24/1994 | DE4331563A1 Sintered permanent magnet with good thermal stability - containing defined percentages by weight of specified elements |
03/24/1994 | DE4242757C1 Low nickel@ content steel alloy for jewellery, etc - comprises silicon@, manganese@, nitrogen@, chromium@, phosphorus@, sulphur@, copper@ and molybdenum@ |
03/24/1994 | DE4231695A1 Corrosion resistant tool steel with reduced chromium@ content - contg. carbon, silicon, manganese@, chromium@, molybdenum@, nitrogen, niobium, vanadium@, titanium@ and iron@ |
03/23/1994 | EP0588657A1 Controlled thermal expansion superalloy |
03/23/1994 | EP0588342A1 Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same |
03/23/1994 | EP0587960A1 Production of iron aluminide materials |
03/22/1994 | US5296215 Containing sodium lauryl sulfate surfactant and alkyl glycoside |
03/22/1994 | US5296054 Austenitic steel |
03/17/1994 | WO1994005824A1 Structural member and process for producing the same |
03/17/1994 | WO1994005821A1 Heat-resistant iron-base alloy sleeve for diesel engine prechamber |
03/16/1994 | EP0586704A1 High-yield-ratio hot-rolled high-strength steel sheet excellent in formability or in both of formability and spot weldability, and production thereof |
03/16/1994 | EP0414724B1 Ferromagnetic materials |
03/16/1994 | CN1024024C Smelting process of alloyes of boron-silicon-iron and boron-iron |
03/09/1994 | EP0586179A1 Forging and a method for its manufacture |
03/09/1994 | EP0585956A1 Thick grain-oriented electrical steel sheet exhibiting excellent magnetic properties |
03/08/1994 | US5292384 Cr-W-V bainitic/ferritic steel with improved strength and toughness and method of making |
03/08/1994 | US5292383 Improved fish scale resistance and press formability |
03/08/1994 | US5292380 Permanent magnet for accelerating corpuscular beam |
03/03/1994 | WO1994005021A1 Permanent magnet material containing a rare-earth element, iron, nitrogen and carbon |
03/03/1994 | WO1994004714A1 Corrosion resistant austenitic stainless steel with improved galling resistance |
03/03/1994 | WO1994004713A1 Use of a steel alloy for reinforcement tubes of side doors of private cars |
03/03/1994 | WO1994004297A1 Heat treatment of metal castings and in-furnace sand reclamation |
03/03/1994 | CA2142337A1 Permanent magnet material containing a rare-earth element, iron, nitrogen and carbon |
03/02/1994 | EP0585078A1 Embrittlement resistant stainless steel alloy |
03/02/1994 | EP0429651B1 Iron base, soft magnetic steel material |
03/01/1994 | US5290370 Cold-rolled high-tension steel sheet having superior deep drawability and method thereof |
02/24/1994 | DE4227154A1 Verwendung einer Stahllegierung für Rohre zur Verstärkung der Seitentüren von Pesonenkraftwagen Use of a steel alloy for tubes for reinforcing the side doors of Pesonenkraftwagen |
02/23/1994 | EP0583445A1 Work hardened stainless steel for springs. |
02/23/1994 | CN1082759A Producing method for Nd-Fe-B permanent magnet |
02/23/1994 | CN1082621A Rare-earth contg. poly component super-high temperature sulfur-resistant and anti-wear steel |
02/22/1994 | US5288736 Coating a magnesium oxide protective coatings with magnesium surfate on surfaces to maintain surfur concentration |
02/22/1994 | US5288455 Steel for rotor shafts of electric machines and method and product thereof |
02/22/1994 | US5288347 Method of manufacturing high strength and high toughness stainless steel |
02/22/1994 | US5288342 Solid metal-carbon matrix of metallofullerites and method of forming same |
02/16/1994 | CN1081999A Productive method and application of calcined silica |
02/15/1994 | US5286442 High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance |
02/15/1994 | US5286312 High-strength spring steel |
02/15/1994 | US5286311 For use in internal combustion engines |
02/15/1994 | US5286310 Having low delta ferrite content |
02/15/1994 | US5286309 Electric-resistance-welded steel pipe with high strength |
02/15/1994 | US5286308 Alloy of transition metal, rare earth element, yttrium and boron; noncracking |
02/15/1994 | US5286153 Corrosion-resistant nail for driving into hard materials |
02/10/1994 | DE4324667A1 Corrosion resistant magnetic film for use on magnetic heads - has alloy components together with rare earth components to provide high saturation magnetic flux density and high permeability |
02/09/1994 | EP0582132A1 Structural steel, especially concrete reinforcing steel and method of manufacturing |
02/08/1994 | US5284530 High-chromium and molybdenum steels having toughness and high temperature workability |
02/08/1994 | US5284529 Abrasion-resistant steel |
02/03/1994 | WO1994002950A1 Magnetic materials and method of making them |
02/02/1994 | EP0581629A1 Steel sheets for drawing and ironing and manufacturing process for these sheets |
02/01/1994 | US5283032 Nickel-cobalt-iron base alloy; oxidation, stress and heat resistance, ductility |
02/01/1994 | US5282906 Martensitic matrix microstructure with dispersed particles of vanadium and niobium carbonitrides and iron carbide; controlled hot roll finishing and cooling; springs |
02/01/1994 | US5282904 Controlling oxygen, carbon, nitrogen content; heat treating and quenching to form protective coating |
02/01/1994 | CA2022907C Method of manufacturing a steel sheet |
02/01/1994 | CA1326606C Radiation resistant austenitic stainless steel alloys |
01/26/1994 | EP0580062A1 Process for manufacturing of thick armour plates |
01/25/1994 | US5281250 Powder blends |
01/19/1994 | CN1023574C Melted metal corrosion resistant alloy |
01/19/1994 | CN1023569C Prepn. of pumping rod without heat treatment |
01/18/1994 | US5279902 Air hardening steel |
01/18/1994 | US5279785 Permanent magnet having high corrosion resistance, a process for making the same and a process for making a bonded magnet having high corrosion resistance |
01/18/1994 | US5279688 Steel shaft material which is capable of being directly cut and induction hardened and a method for manufacturing the same |
01/18/1994 | CA1326143C Ferritic stainless steel and processing therefore |
01/12/1994 | EP0578626A1 Compound body |
01/12/1994 | EP0578221A1 Blister-resistant steel sheet and method for production thereof |
01/12/1994 | EP0577898A1 Stainless non-magnetic steel with high manganese and chromium content, resistant to stress corrosion and useful for drilling equipment, also the process for manufacturing rods from this steel |
01/12/1994 | CN1080666A Low-carbon nigh cr cast iron wear-resisting material |
01/12/1994 | CN1080665A Fe-al-ce high-temp. alloy |
01/11/1994 | US5278881 Construction materials for nuclear reactor |
01/11/1994 | CA1325902C Low thermal expansion casting alloy having excellent machinability |
01/11/1994 | CA1325901C Antibiotic alloys |
01/06/1994 | WO1994000615A1 Cold-rolled steel plate having excellent baking hardenability, non-cold-ageing characteristics and moldability, and molten zinc-plated cold-rolled steel plate and method of manufacturing the same |
01/06/1994 | WO1994000259A1 Powdery alloy for bonded magnet and bonded magnet |
01/05/1994 | EP0576802A1 Two-phase stainless steel wire rope having high fatigue resistance and corrosion resistance |
01/05/1994 | CN1080330A Austenite stainless steel |
01/05/1994 | CN1080329A Semi-steel ingot tipping roller sleeve and its making method |
01/05/1994 | CN1080327A Low-alloyed ball mill wearing liner plate and making process thereof |
01/04/1994 | US5275672 Razor blade steel having high corrosion resistance and differential residual austenite content |
12/29/1993 | EP0576173A2 Cast steel suitable for machining |
12/29/1993 | EP0576107A1 Use of a steel for the manufacture of constructiontubes |
12/29/1993 | EP0576055A1 Fine-grained anisotropic powder from melt-spun ribbons |
12/29/1993 | EP0489784B1 Permanent magnet |
12/29/1993 | CN1079997A High thermoplasticity iron-base shape memory alloy |
12/29/1993 | CN1023328C Iron-base high chromium rareearth double-phase steel |
12/28/1993 | US5273570 Secondary hardening type high temperature wear-resistant sintered alloy |
12/28/1993 | CA1325533C Steels for hot working press tools |
12/22/1993 | EP0575190A2 Fe-base soft magnetic alloy and process for making same |
12/22/1993 | EP0574814A2 High-strength cold-rolled steel sheet excelling in deep drawability and method of producing the same |
12/22/1993 | EP0574582A1 Damping alloy |