| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 09/21/1989 | WO1989008722A1 Method of manufacturing non-oriented electromagnetic steel plates |
| 09/21/1989 | WO1989008721A1 Process for producing nonoriented electric steel sheet |
| 09/21/1989 | WO1989008720A1 Process for producing nonoriented electric steel sheet |
| 09/20/1989 | EP0333422A1 Austenitic stainless steel |
| 09/20/1989 | EP0333221A2 Process for producing grain-oriented thin electrical steel sheet having high magnetic flux density by one-stage cold-rolling method |
| 09/20/1989 | EP0333129A2 Gas turbine, shroud for gas turbine and method of producing the shroud |
| 09/20/1989 | CN1035682A Niobium-containing high strength fishing |
| 09/19/1989 | CA1259458A1 Wellhead structure and method of producing same |
| 09/13/1989 | EP0332460A1 Austenitic stainless steel alloy |
| 09/13/1989 | EP0332284A1 Low grade material axle shaft |
| 09/13/1989 | EP0331740A1 MAGNETIC CORE MATERIAL FOR HIGH FREQUENCY MADE OF Fe-Co BASE ALLOY |
| 09/13/1989 | EP0331679A1 High density sintered ferrous alloys. |
| 09/12/1989 | US4865805 Casting steels with improved machining properties |
| 09/12/1989 | US4865662 Controlled ferrite levels, workability |
| 09/12/1989 | US4865661 Product of a high-strength nitrogen containing fully austenitic cobalt steel having yield strengths above 600 N/MM2 |
| 09/08/1989 | WO1989008318A1 Magnetically anisotropic sintered magnets |
| 09/08/1989 | WO1989008152A1 Process for producing nonoriented electric steel sheet having excellent magnetic properties in lowly magnetic field |
| 09/08/1989 | WO1989008151A1 Process for producing nonoriented silicon steel sheet having excellent magnetic properties |
| 09/06/1989 | EP0330752A1 Superhigh-strength superfine wire, and reinforcing materials and composite materials incorporating the same |
| 09/05/1989 | US4863682 Austenitic stainless steel alloy |
| 09/05/1989 | US4863532 Grain-oriented electromagnetic steel sheet |
| 09/05/1989 | US4863530 Fc-Pt-Nb permanent magnet with an ultra-high coercive force and a large maximum energy product, and method for producing the same |
| 09/05/1989 | US4863515 Impact strength, wear resistance |
| 09/05/1989 | US4863513 Iron-base anti-wear sintered alloy member |
| 08/29/1989 | US4861549 Roller caster shell steel |
| 08/29/1989 | US4861548 Seawater-corrosion-resistant non-magnetic steel materials |
| 08/29/1989 | US4861547 Iron-chromium-nickel heat resistant alloys |
| 08/24/1989 | DE3903429A1 High-speed steel alloy, method for producing it, and use thereof |
| 08/23/1989 | EP0329220A1 Non-ageing low-alloy hot-rolled strip-form formable steel |
| 08/23/1989 | CN1034962A High strength-toughness cast steel adding rare-earth ca |
| 08/22/1989 | US4859649 Heat resistant, creep resistant, protective oxide coating |
| 08/22/1989 | US4859410 Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material |
| 08/22/1989 | US4859338 Porous steel foil with layer of shaped oxides |
| 08/22/1989 | US4859255 Permanent magnets |
| 08/22/1989 | US4858682 Cylinder for heat exchangers |
| 08/22/1989 | CA1258571A1 Method and use of steel for making steel tubes or pipes of increased acidic gas resistance |
| 08/16/1989 | CN1034761A Steel alloy for high-pressure tank |
| 08/15/1989 | US4857120 Heat-resisting steel turbine part |
| 08/15/1989 | US4857118 Method of manufacturing a permanent magnet |
| 08/15/1989 | US4857117 Method of manufacturing a cold-rolled steel sheet having a good deep drawability |
| 08/10/1989 | WO1989007158A1 Cold-rolled sheet or strip and process for manufacturing them |
| 08/09/1989 | EP0327053A1 Duplex stainless steel with high manganese |
| 08/09/1989 | EP0327042A1 Maraging steel |
| 08/09/1989 | EP0326912A2 Process for production of grain oriented electrical steel sheet having high flux density |
| 08/09/1989 | CN1034586A Alloy of iron-copper-manganese-boron for making solid rotor of electric machine and its manufacturing process |
| 08/08/1989 | US4855106 Low alloy steels for use in pressure vessel |
| 08/08/1989 | US4855105 Of iron, carbon, manganese, titanium, nitrogen |
| 08/08/1989 | US4854978 Heat treatment to volatilize high vapor pressure elements |
| 08/08/1989 | US4854976 With microstructure of ferrite, bainite, retained austenite; ductility, weldability, workability, light-weight; automobile bodies |
| 08/08/1989 | US4854032 Drawing, crystallization to pearlite structure |
| 08/02/1989 | CN1034396A Steel for drill rod casing |
| 08/01/1989 | USRE33006 Feed-water heater comprising low C-Cr-Mo steel components used under wet steam |
| 08/01/1989 | US4853298 Thermally stable super invar and its named article |
| 08/01/1989 | US4853185 Nitrogen strengthened Fe-Ni-Cr alloy |
| 08/01/1989 | US4853181 Hot work tool steel |
| 08/01/1989 | US4853049 Carbon, manganese, chromium with small controlled amounts of aluminum and vanadium |
| 08/01/1989 | US4853047 Work-performing member for farm machines |
| 07/27/1989 | DE3826480A1 Process for producing steel filaments for high-gradient magnetic fields |
| 07/25/1989 | US4851296 Vapor deposition |
| 07/25/1989 | US4851189 Alloying iron powder with carbide forming molybdenum, chromium, and vandium; sintering and hot isostatic compression |
| 07/25/1989 | US4851059 Non-magnetic high hardness austenitic stainless steel |
| 07/25/1989 | US4851058 Boron, praseodymium, neodymium, and iron |
| 07/25/1989 | US4851054 Method of producing rolled steel having excellent resistance to sulfide stress corrosion cracking |
| 07/25/1989 | US4851052 Cooling a cast slab to produce inclusion dispersions; steels with acicular-ferrite texture |
| 07/25/1989 | US4850187 Gas turbine having components composed of heat resistant steel |
| 07/25/1989 | CA1257789A1 Cold rolled steel suitable for enamel coating and method for making |
| 07/20/1989 | DE3826091A1 High strength steel for concrete reinforcement or drawing - has high strength martensitic layer between case and core |
| 07/19/1989 | CN1034025A Form memory alloy of iron, manganes and cobalt series |
| 07/18/1989 | US4849300 Tool in the form of a compound body and method of producing the same |
| 07/18/1989 | US4849166 Ductility |
| 07/18/1989 | US4849034 Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods |
| 07/12/1989 | EP0323894A1 Corrosion and abrasion resistant alloys |
| 07/12/1989 | CN1033899A Corrosion resisting rare-earth metal magnet |
| 07/12/1989 | CN1033846A High-tenacity tool and die steel |
| 07/12/1989 | CN1033845A High-tenacity low-carbon microalloyed cast steel |
| 07/11/1989 | US4847168 Slicing saw blade |
| 07/11/1989 | US4847046 Ultra-low temperature alloy and process for manufacturing the same |
| 07/11/1989 | US4846948 Iron, silicon, aluminum alloy on a substrate, sputtering |
| 07/11/1989 | US4846904 Manganese, nickel, chromium, molybdenum |
| 07/11/1989 | US4846899 Clad low carbon steels |
| 07/05/1989 | EP0323125A1 Rare earth permanent magnet |
| 07/05/1989 | EP0323002A1 Iron-cobalt type soft magnetic material |
| 07/05/1989 | EP0322620A1 Electrochemical storage cell |
| 07/05/1989 | EP0322463A1 Heat treatment hardenable hot rolled steel sheet having excellent cold workability and process for its production |
| 07/04/1989 | US4844865 Seawater-corrosion-resistant non-magnetic steel materials |
| 07/04/1989 | US4844755 For boilers, heat exchangers, toughness, weldability |
| 07/04/1989 | US4844024 Valves for internal combustion engines |
| 06/29/1989 | WO1989005869A1 Precipitation hardening tool steel for forming tools and forming tool made from the steel |
| 06/29/1989 | WO1989005868A1 Bimetallic composite back-up roll for a hot rolling mill |
| 06/29/1989 | WO1989005867A1 Bimetallic composite working cylinder |
| 06/28/1989 | EP0322397A2 High speed steel prepared by powder metallurgy, wear-resistant part prepared thereby and process for its manufacture |
| 06/28/1989 | EP0322315A1 Bimetallic composite roll |
| 06/28/1989 | EP0322300A1 Bimetallic back-up roll for hot rolling |
| 06/28/1989 | EP0321695A2 Process for production of grain oriented electrical steel sheet having high flux density |
| 06/28/1989 | EP0321571A1 Soft magnetic steel |
| 06/28/1989 | EP0130221B1 Process for producing corrosion-resistant alloy steel |
| 06/28/1989 | CN1004639B Weldable wearproof casting medium manganese steel |
| 06/27/1989 | US4843212 Composition of welding wire |
| 06/27/1989 | US4842823 Austenitic steel having improved high-temperature strength and corrosion resistance |
| 06/27/1989 | US4842816 High toughness steel |