| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/15/2004 | CN1180116C Easy cut tool steel |
| 12/15/2004 | CN1180115C Fragile Ni-Fe alloy |
| 12/15/2004 | CN1180114C Raw amterial for shadow mask for color image receiving tube, shadow mask and color image receiving tube with said shodow mask |
| 12/15/2004 | CN1180113C Steel for mechanical structure and mfg. and method thereof |
| 12/15/2004 | CN1180112C Shape memory alloy |
| 12/15/2004 | CN1180096C High resistance steel band or sheet and method for production theirof |
| 12/14/2004 | US6830633 Ribbon formed by melt spinning using a cooling roll having a circumferential surface on which dimple correcting means is provided |
| 12/14/2004 | CA2262845C Heavy duty soft magnetic steel suitable for welding and its use in parts of magnetic levitational railways |
| 12/09/2004 | WO2004106573A1 Method for hot forming and hot formed member |
| 12/09/2004 | WO2004106572A1 Oil well steel pipe to be placed under ground and be expanded |
| 12/09/2004 | WO2004106571A1 High strength thin steel sheet excellent in resistance to delayed fracture after forming and method for preparation thereof, and automobile parts requiring strength manufactured from high strength thin steel sheet |
| 12/09/2004 | US20040247848 Electromagnetic shield containing stainless steel fiber embedded in plastic matrix |
| 12/09/2004 | US20040244885 Steel sheet for vitreous enameling and method for producing the same |
| 12/09/2004 | US20040244884 Hot rolling; annealing; cold rolling; controlling particle size, distribution of precipitates |
| 12/09/2004 | US20040244883 Method for producing oil temper wires |
| 12/09/2004 | US20040244878 Heat resistance; automobile exhaust pipes; catalyst casing; ducts for power plants |
| 12/09/2004 | US20040244877 High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same |
| 12/09/2004 | US20040244873 Alloy containing iron, silicon, manganese. nickel, chromium and molybdenum; cold rolling, then nitriding |
| 12/09/2004 | US20040244872 Pressing magnetic powder through dies; reduce variations in molecular orientation; copper, berylium alloy |
| 12/09/2004 | DE10297567T5 Ventilführung für Brennkraftmaschinen, hergestellt aus einer Sinterlegierung auf Eisenbasis Valve guide for internal combustion engines, made from a sintered iron-based alloy |
| 12/09/2004 | CA2527119A1 Steel bar for steering rack, method for producing the same, and steering rack using the same |
| 12/09/2004 | CA2527117A1 A use of a steel pipe for embedding-expanding as an oil well and a method of embedding-expanding of oil well pipes |
| 12/08/2004 | EP1484424A1 Ferritic stainless steel sheet excellent in press formability and secondary formability and its manufacturing method |
| 12/08/2004 | EP1484423A1 Steel plate subjected to heat treatment and process for producing the same |
| 12/08/2004 | EP1484422A1 SULFUR−CONTAINING FREE−CUTTING STEEL |
| 12/08/2004 | EP1484174A1 Resin coated steel sheet and can formed by pressing the same |
| 12/08/2004 | EP1374655A4 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 12/08/2004 | EP1257375B1 Method of making a fecral material and such material--------- |
| 12/08/2004 | CN1554217A A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 12/08/2004 | CN1553966A Hot-rolled steel sheet with good ultra low temperature toughness and the method of producing the same |
| 12/08/2004 | CN1553836A 铸造钢带 Cast strip |
| 12/08/2004 | CN1552938A High-temperature rotor material of high-toughness steam turbine |
| 12/08/2004 | CN1552937A Free-cutting tool steel |
| 12/08/2004 | CN1179063C Alloy with shock damping effect |
| 12/08/2004 | CN1179062C Steel plate for disc brake with improved antibuckling performance and disc brake made therefrom |
| 12/07/2004 | US6828046 Magnetic recording media; heat and corrosion resistance |
| 12/07/2004 | US6828040 Multi-layers coating for protecting metallic substrates |
| 12/07/2004 | US6827797 Process for making triple-phase nano-composite steels |
| 12/07/2004 | US6827755 High-toughness and high-strength ferritic steel and method of producing the same |
| 12/02/2004 | WO2004104256A1 A cold-rolled steel sheet having a tensile strength of 780 mpa or more an excellent local formability and a suppressed increase in weld hardness |
| 12/02/2004 | WO2004104236A1 Controlled warm-rolling method |
| 12/02/2004 | WO2004103589A1 Fe-Cr ALLY BILLET AND METHOD FOR PRODUCTION THEREOF |
| 12/02/2004 | US20040241035 Controlling particle size |
| 12/02/2004 | US20040241032 Product manufacture in structural metallic materials reinforced with carbides |
| 12/02/2004 | US20040238375 Applying anodic current density in passivation potential range |
| 12/02/2004 | US20040238084 High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming |
| 12/02/2004 | US20040238083 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor |
| 12/02/2004 | US20040238082 High strength cold rolled steel plate and method for production thereof |
| 12/02/2004 | US20040238081 Steel plate exhibiting excellent workability and method for producing the same |
| 12/02/2004 | US20040238080 Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained |
| 12/02/2004 | US20040238079 Stainless-steel pipe for oil well and process for producing the same |
| 12/02/2004 | US20040238076 Rigidity, low thermal expansion; controlled manganese to sulfur ratio; color television cathode tube |
| 12/02/2004 | US20040238075 High strength, toughness, weldability; cracking resistance; controlled carbon equivalent content |
| 12/02/2004 | US20040238074 Cold-formed spring having high fatigue strength and high corrosion fatigue strength, steel for such spring, and method of manufacturing such spring |
| 12/02/2004 | US20040238073 Includes heating in oxygen atomsphere; simple, uniform passivation layer formation; imparting pitting corrosion resistance and fatigue strength material |
| 12/02/2004 | US20040237715 Comprised of at least iron, chromium and molybdenum with smaller amounts of carbon, silicon and sulfur |
| 12/02/2004 | DE4202339B4 Korrosionsbeständiger, hochverschleißfester, härtbarer Stahl Corrosion-resistant, highly wear resistant, hardenable steel |
| 12/02/2004 | DE10314564A1 Soft magnetic powder material for soft magnetic green compact, contains iron system powdered particle with insulating coat, polyamide system resin, and thermoplastic resin |
| 12/01/2004 | EP1482156A2 High temperature corrosion and oxidation resistant valve guide for engine application |
| 12/01/2004 | EP1482066A1 Surface treated steel plate and method for production thereof |
| 12/01/2004 | EP1481109A1 Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel |
| 12/01/2004 | EP1481108A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 12/01/2004 | EP1481107A1 Martensitic stainless steel and method for manufacturing the same |
| 12/01/2004 | EP1444373A4 Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same |
| 12/01/2004 | EP1368504A4 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 12/01/2004 | EP1264009B1 Method for applying a metal layer to a light metal surface |
| 12/01/2004 | EP1218552A4 Low-carbon steels of superior mechanical and corrosion properties |
| 12/01/2004 | EP1119648B1 Cold workable steel bar or wire and process |
| 12/01/2004 | CN1550566A Metastable austenite series stainless steel band with excellent fatigue characteristics |
| 12/01/2004 | CN1550565A High-strength stainless steel sheet and method for manufacturing the same |
| 12/01/2004 | CN1550564A High strength Fe-Ni-Co series alloy for shadow mask |
| 12/01/2004 | CN1550563A Fe-Ni series alloy thin band for pressure shaped shadow mask board |
| 12/01/2004 | CN1550562A Free machining steel for machine structural use having improved chip disposability |
| 12/01/2004 | CN1550261A Disintegrating system, permanent magnet and manufacturing method thereof |
| 12/01/2004 | CN1550242A 高尔夫杆头 Golf club head |
| 12/01/2004 | CN1178231C Manufacturing method for rear-earth magnet and powder pressing device |
| 12/01/2004 | CN1177662C Casting slab for shadow mask, method for heat treatment thereof and material for shadow mask |
| 11/30/2004 | US6824883 Surface on a stainless steel matrix |
| 11/30/2004 | US6824672 Use of austenitic stainless steels in applications requiring anti-coking properties |
| 11/30/2004 | US6824625 Magnetostriction control alloy sheet, a part of a braun tube, and a manufacturing method for a magnetostriction control alloy sheet |
| 11/25/2004 | WO2004053175B1 Control of engineering processes using magnetostrictive alloy compositions |
| 11/25/2004 | US20040234816 card substrate and magnetic layer on substrate for magnetically recording information thereon in machine-readable fashion and further comprising volume hologram layer on magnetic layer having glass transition temperature of 50 degrees C. or higher; hardness, wear resistance |
| 11/25/2004 | US20040234807 Surface treated steel plate and method for production thereof |
| 11/25/2004 | US20040234409 Use of low alloy anticoking steels with an increased silicon and manganese content in refining and petrochemicals applications, and novel steel compositions |
| 11/25/2004 | US20040234408 Improved high temperature strength/ductility/workability |
| 11/25/2004 | US20040231761 Prepared by tensile deforming samples by applying 3.0% or 3.5% prestrain at room temperature, heating to 600 degrees C. for 10 minutes, and cooling |
| 11/25/2004 | US20040231752 Ultra-high magnetic flux density undirectional electrical sheet excellent in high magnetic field iron loss and coating characteristics and production method therefor |
| 11/25/2004 | US20040231751 Rare earth magnet and method for manufacturing the same |
| 11/25/2004 | US20040231393 High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics |
| 11/25/2004 | DE10361694A1 Verfahren zum Herstellen eines Strukturträgers eines Fahrzeugs A method of producing a structural beam of a vehicle |
| 11/24/2004 | EP1479787A1 Sinter magnet made from rare earth-iron-boron alloy powder for magnet |
| 11/24/2004 | CN1550020A Nanocomposite magnet and its manufacturing method |
| 11/24/2004 | CN1549867A Rare earth magnet alloy ingot, manufacturing method for the same, R-T-B type magnet alloy ingot, r-t-b type magnet, r-t-b type bonded magnet, r-t-b type exchange spring magnet alloy ingot, r-t-b type |
| 11/24/2004 | CN1548571A Steel for gears in synchronizer |
| 11/24/2004 | CN1548570A Thin steel plate with excellent workability and forming precision and producing process thereof |
| 11/24/2004 | CN1548569A Indirectional electric steel plate without corrugated fault and its making process |
| 11/24/2004 | CN1177351C Process for growing Ge nanoline by aluminium oxide template |
| 11/24/2004 | CN1177074C Fe-Cr-Ni cast alloy haring both creep deformation and toughness and its manufacturing method |
| 11/24/2004 | CN1177073C Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools |
| 11/24/2004 | CN1177064C Production method of microaluminium micro carborundum iron |