| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/25/2007 | CN1952344A Method for making super-high-strength anti-corrosion pumping polished rod |
| 04/25/2007 | CN1952200A Super-strength sucker rod steel |
| 04/25/2007 | CN1952199A Niobium titanium -combined microalloying steel for cooling-control reinforced bar and method for producing same |
| 04/25/2007 | CN1952198A Trace niobium -containing steel for cooling-control reinforced bar and method for producing same |
| 04/25/2007 | CN1952197A Wide and thick superfine-grain hot-rolled plate and method for producing same |
| 04/25/2007 | CN1312706C Rare earth iron-base room-temp mangnetic refrigerant material and preparation method thereof |
| 04/25/2007 | CN1312312C Vanadium-silicon-barium-ferrum composite alloy used as webbite and its production method |
| 04/25/2007 | CN1312311C Deformed wire for reinforcing marine optical fiber cable |
| 04/25/2007 | CN1312310C Deformed wire for reinforcing land optical fiber cable |
| 04/25/2007 | CN1312309C Steel wire for heat-resistant spring, heat-resistant spring and method for producing heat-resistant spring |
| 04/25/2007 | CN1312006C High-impact electric welding steel pipe |
| 04/25/2007 | CN1311909C Disintegrating system, permanent magnet and manufacturing method thereof |
| 04/24/2007 | US7208097 Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
| 04/24/2007 | US7207933 Carburized roller member made of high carbon chromium steel |
| 04/24/2007 | US7207223 Toroidal-type continuously variable transmission component and method for evaluating the same |
| 04/24/2007 | CA2371333C Steel for plastic molds and process for the heat treatment thereof |
| 04/19/2007 | WO2007043318A1 Dead-soft high-carbon hot-rolled steel sheet and process for producing the same |
| 04/19/2007 | WO2007043317A1 Steel material |
| 04/19/2007 | WO2007043316A1 Steel material and process for producing the same |
| 04/19/2007 | WO2007043315A1 Steel material and process for producing the same |
| 04/19/2007 | WO2007043307A1 Process for manufacturing roller shell of lower running body of construction machine |
| 04/19/2007 | WO2007043168A1 Cold-rolled steel sheet excellent in coating curability in baking and cold slow-aging property and process for producing the same |
| 04/19/2007 | WO2007021243B1 Powder metallurgically manufactured steel, a tool comprising the steel and a method for manufacturing the tool |
| 04/19/2007 | US20070087250 Alloy for fuel cell interconnect |
| 04/19/2007 | US20070084529 High strength and high ductility steel sheet having ultrafine crystalline grain structure obtained by low strain processing and annealing of ordinary low carbon steel, and a method for producing thereof |
| 04/19/2007 | US20070084528 Low-density high-toughness alloy and the fabrication method thereof |
| 04/19/2007 | DE112005000921T5 Sinterlegierung auf Eisenbasis, Sinterlegierungselement auf Eisenbasis und Herstellungsverfahren dafür Sintered iron-base alloy, iron-based sintered alloy element and manufacturing method therefor |
| 04/19/2007 | DE102006037862A1 Legierung für einen Brennstoffzellen-Interkonnektor Alloy for a fuel cell interconnector |
| 04/19/2007 | CA2624390A1 Cold-rolled steel sheet excellent in paint bake hardenability and ordinary-temperature non-aging property and method of producing the same |
| 04/18/2007 | EP1775351A1 Acid resistant austenitic alloy for valve seat insert |
| 04/18/2007 | EP1774188A1 Roller bearing |
| 04/18/2007 | EP1774187A1 Machine element for roller charge |
| 04/18/2007 | EP1774052A2 Martensitic stainless steel for moulds and injection mould frames |
| 04/18/2007 | EP1774051A1 Ferritic stainless steel alloy |
| 04/18/2007 | EP1623777B1 Continuous casting method for steel |
| 04/18/2007 | EP1546427B1 Ferritic steel alloy |
| 04/18/2007 | EP1472383B1 Precipitation hardenable austenitic steel |
| 04/18/2007 | CN1950619A Ball element for two-part ball pivot and corresponding method of production |
| 04/18/2007 | CN1950533A Steel for mechanical parts, method for producing mechanical parts from said steel and the thus obtainable mechanical parts |
| 04/18/2007 | CN1950532A Seamless steel pipe and method for production thereof |
| 04/18/2007 | CN1950531A Member for machine construction and production method therefor |
| 04/18/2007 | CN1950530A Component for machine structure, method for producing same, and material for high-frequency hardening |
| 04/18/2007 | CN1949369A Perpendicular magnetic recording system and medium with high-moment corrosion-resistant soft underlayer |
| 04/18/2007 | CN1948541A Corrosion resistant mould steel |
| 04/18/2007 | CN1948540A Ferrite stainless steel having excellent antibacterial characteristics |
| 04/18/2007 | CN1948539A Alloy for fuel cell interconnect |
| 04/18/2007 | CN1948538A Petroleum steel tube capable of anti hydrogen sulfide stress corrosion and its manufacturing method |
| 04/18/2007 | CN1948537A High niobium high strength thick steel plate steel |
| 04/18/2007 | CN1948536A Rare earth-iron-silicon base compound having primary magnetic phase change characteristics and its preparation method |
| 04/18/2007 | CN1948535A Rare earth improving antibacterial performance silver containing stainless steel |
| 04/18/2007 | CN1948517A Manufacturing method of cold rolling electric steel special for compressor |
| 04/18/2007 | CN1948515A Dual-phase cast steel production technology of hydraulic turbine blade |
| 04/18/2007 | CN1948513A Manganese base alkaline earth iron alloy used for steel making |
| 04/18/2007 | CN1947928A Manufacturing method of block with perfect cold-forging property |
| 04/18/2007 | CN1947924A Method for producing welding materials by using offcut of steel plate |
| 04/18/2007 | CN1311145C Sintered alloy valve seat and its manufacturing method |
| 04/18/2007 | CN1311094C Iron-based sintered alloy material for valve seat |
| 04/18/2007 | CN1311093C Carbon steel material for band bridge tensioning shadow-mask and its shadow mask |
| 04/17/2007 | US7204892 Capable of enhancing the fatigue strength by minimizing the effects of foreign matter without removing the surface layer having a residual stress |
| 04/12/2007 | US20070082223 Stainless steel wire, spring and method of manufacturing the spring |
| 04/12/2007 | US20070081917 Austenitic fe-cr-ni alloy for high temperature use |
| 04/12/2007 | US20070081913 Iron base sintered alloy having highly densified and hardened surface, and producing method thereof |
| 04/12/2007 | US20070079912 Weldable component of structural steel and method of manufacture |
| 04/12/2007 | US20070079910 Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same |
| 04/12/2007 | US20070079907 Iron, manganese, carbon ternary system of a matrix of one/both nanocrystalline and amorphous phase(s), and a face-centered cubic crystalline phase; transition elements, cobalt, nickel, copper to make large bulk objects and process of microstructure; high flow stress,exceeding 2.0 GPa; high toughness |
| 04/12/2007 | DE102005046459A1 Verfahren zur Herstellung von kaltgefertigten Präzisionsstahlrohren Process for the preparation of cold formed precision steel tubes |
| 04/11/2007 | EP1771273A1 Particle bed roller mill |
| 04/11/2007 | CN1946876A Hardfacing ferroalloy materials |
| 04/11/2007 | CN1946867A 高铜低合金薄钢板 High copper low alloy steel sheet |
| 04/11/2007 | CN1946866A Steel sheet for can and method for production thereof |
| 04/11/2007 | CN1946865A Iron-based sintered alloy, iron-based sintered alloy member and method for producing those |
| 04/11/2007 | CN1946864A Steel product for cargo oil tank |
| 04/11/2007 | CN1946863A Steel plate excellent in fatigue crack propagation characteristics and method for production thereof |
| 04/11/2007 | CN1946862A Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding |
| 04/11/2007 | CN1945029A Anti-corrosion screw |
| 04/11/2007 | CN1944715A Process for producing gear with hard bainite structure on surface |
| 04/11/2007 | CN1944690A Heat processing method for obtaining fine grain ferrite in medium carbon steel |
| 04/11/2007 | CN1309937C Metallic honeycomb cellular seal-structure for turbomachine |
| 04/11/2007 | CN1309857C Microalloyed reinforcing steel bar containing chromium and niobium, and its production process |
| 04/11/2007 | CN1309856C Method for manufacturing continuous casting low carbon steel containing boron in small square billets |
| 04/11/2007 | CN1309854C Alloy powder, ferriferous mixed powder and sintered alloy and manufacturing method |
| 04/11/2007 | CN1309515C Powdered metallurgical piston ring and process for production thereof |
| 04/11/2007 | CN1309480C Metal magnetic lining plate, protective plate shell and process for producing protective plate shell |
| 04/10/2007 | US7202593 Steel sheet for inner magnetic shield and method of producing the same, inner magnetic shield, and color cathode ray tube |
| 04/10/2007 | CA2494255C Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same |
| 04/10/2007 | CA2246591C Process of manufacturing strips of sheet steel for fabricating metal packaging by stamping and the sheet steel so produced |
| 04/05/2007 | WO2007038789A1 Methods for heat treating thick-walled forgings |
| 04/05/2007 | WO2007037447A1 Weld joint formed with stainless steel-based weld metal for welding a zinc-based alloy coated steel sheet |
| 04/05/2007 | WO2007036215A1 High-tensile strength bolt or screw and method for producing a screw or bolt of this type |
| 04/05/2007 | US20070074793 stainless steel seamless linepipe has excellent corrosion resistance and resistance to sulfide stress cracking, suitable for linepipes transporting crude oil or natural gas produced from oil wells or gas wells under extremely corrosive environments containing carbon dioxide gas, chlorine ion; mixed phase |
| 04/05/2007 | DE19955385B4 Äußere Wellenhälfte für Doppelgelenke mit verbesserter Abriebsfestigkeit und verbesserter Haltbarkeit für die Welle sowie Verfahren zu deren Herstellung Outer half wave for constant velocity joints with improved abrasion resistance and improved durability for the shaft as well as processes for their preparation |
| 04/05/2007 | DE102004054795B4 Verfahren zur Herstellung von Fahrzeugbauteilen sowie Karosseriebauteil A process for the manufacture of vehicle components as well as body part |
| 04/05/2007 | CA2623995A1 Methods for heat treating thick-walled forgings |
| 04/04/2007 | EP1770184A1 High-strength martensite heat resisting cast steel and method of producing the steel |
| 04/04/2007 | EP1770183A1 Weldable steel of high strenght and high toughness, and method of producing members using the same |
| 04/04/2007 | EP1770182A1 High-strenght heat resisting cast steel, method of producing the steel, and applications of the steel |
| 04/04/2007 | EP1770181A1 Component for machine structure, method for producing same, and material for high-frequency hardening |
| 04/04/2007 | EP1770177A1 Method for preparing sintered product, sintered product and magnetostriction material |
| 04/04/2007 | EP1769098A1 Steel strip for spreading knives, doctor blades and crepe scrapers and powder metallurgical method for producing the same |
| 04/04/2007 | EP1769097A1 Shaped steel excellent in fire resistance and producing method therefore |