| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 01/01/2003 | CN1388262A Grain refined 20Cr |
| 01/01/2003 | CN1388261A Powder sintering process of producing permanent-magnet Al-Ni-Co-Ti alloy |
| 01/01/2003 | CN1097642C Tool steel with good weldability, machinability and thermal treatment property and produced metallic mould made therefrom |
| 01/01/2003 | CN1097641C Steel material for hot working tools |
| 01/01/2003 | CN1097640C Steel material and prodcing method thereof |
| 12/31/2002 | US6500281 Fe-Ni alloy material used for shadow mask having improved formability of through-holes by etching |
| 12/31/2002 | US6500280 Ferritic Cr-containing steel sheet having excellent ductility, formability, and anti-ridging properties |
| 12/31/2002 | US6500279 Novel steel containing iron, aluminum, molybdenum, nickel, niobium, chromium, silicon, phosphorous, sulfur, nitrogen and carbon; rust resistance; easy to weld; impact resistant |
| 12/31/2002 | US6500278 Super high purity iron; transformer or generator cores; low cost |
| 12/31/2002 | US6499943 Friction-susceptible component of a thermal turbo machine |
| 12/31/2002 | CA2230706C Rust-preventive steel sheet for fuel tanks exellent in air-tightness after welding and corrosion resistance subsequent to forming |
| 12/27/2002 | WO2002103720A1 Corrosion resistant magnetic alloy, an article therefrom and a method of using same |
| 12/27/2002 | WO2002103719A1 Rare earth element permanent magnet material |
| 12/27/2002 | WO2002103072A1 Metal material having good resistance to metal dusting |
| 12/27/2002 | WO2002103071A1 High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming |
| 12/27/2002 | WO2002103070A1 Method for producing steel pipe having high ductility |
| 12/27/2002 | CA2450872A1 Corrosion resistant magnetic alloy, an article therefrom and a method of using same |
| 12/26/2002 | US20020197512 Molding a mixture of an SmFeN magnetic powder with a resin binder into a desired shape and subjecting the surface of the shaped body to a coating treatment using a phosphate. |
| 12/26/2002 | US20020197508 Antiaging property at room temperature and formability at the same time |
| 12/26/2002 | US20020197500 Metal powder |
| 12/26/2002 | US20020197180 Pressing within a breathable air environment that has controlled, specified temperature and relative humidity; avoids combustion accidents and attain superior magnetic properties even when the powder is oxidizable |
| 12/26/2002 | US20020197163 Steam turbine blade, and steam turbine and steam turbine power plant using the same |
| 12/26/2002 | US20020196989 Rolling bearing unit for supporting wheel |
| 12/26/2002 | US20020195172 Giant magnetostrictive material and manufacturing method thereof, and magnetostrictive actuator and magnetostrictive sensor therewith |
| 12/25/2002 | CN1386886A Rare-earth alloy steel resisting dew point corrosion of sulfuric acid |
| 12/25/2002 | CN1386885A Spring steel for vibration damping of high-speed train railway and its mfg. process |
| 12/25/2002 | CN1386884A Method for producing oxide dispersion enhanced Cr-contg. ferrie Fe-alloy pipe |
| 12/25/2002 | CN1386883A Matrix steel of diamond saw blade |
| 12/25/2002 | CN1097098C Stainless steel product having excellent antimicrobial activity and method for producing thereof |
| 12/24/2002 | WO2002088409A1 Iron-base alloy and method for production thereof |
| 12/19/2002 | WO2002101204A1 Turbine blade and turbine power generating equipment |
| 12/19/2002 | WO2002101109A1 Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel |
| 12/19/2002 | WO2002101108A1 Double phase stainless steel strip for steel belt |
| 12/19/2002 | WO2002101107A1 Sintered alloy, method for production thereof and valve sheet |
| 12/19/2002 | WO2002101106A1 Method for the protection against corrosion of a steel part made of austenitic or semi-austenitic steel during the production of sulfuric acid |
| 12/19/2002 | WO2002101099A1 High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics |
| 12/19/2002 | WO2002055747A8 Powder metallurgical method for producing high-density shaped parts |
| 12/19/2002 | US20020193865 Radiopaque stent |
| 12/19/2002 | US20020192502 High coercive force and residual magnetic flux density by controlling metallurgical microstructure; rotating machine and magnetic recording medium; anisotropy; alternating layers of refractory metal and magnetic rare earth alloy |
| 12/19/2002 | US20020192495 Heating/soaking an untreated pipe having a steel containing carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen and iron and reduction-rolling at a rate of >35% at 500-900degrees C.; tensile strength >MPa; vehicle underbody |
| 12/19/2002 | US20020192012 Linear shape steel excellent in joint fatigue characteristics and production method therefor |
| 12/19/2002 | US20020189399 Chromium, nickel, molybdenum and nitrogen with pitting resistance equivalent number of >/= 50, remelting to homogenize |
| 12/18/2002 | EP1266976A1 Steel sheet for porcelain enameling and method for production thereof, and enameled product and method for production thereof |
| 12/18/2002 | EP1266870A2 Glassware forming mold and method of manufacture |
| 12/18/2002 | CN1386144A Ferritic stainless steel for ferromagnetic parts |
| 12/18/2002 | CN1386143A Steel pipe having high formability and method for producing the same |
| 12/18/2002 | CN1386142A Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperatureaging and method for their production |
| 12/18/2002 | CN1386141A Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 12/18/2002 | CN1386140A Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same |
| 12/18/2002 | CN1386139A Super high tensile cold-rolled steel plate and method for production thereof |
| 12/18/2002 | CN1385869A Method for preparing alpha-Fe/Nd2 Fe14B anisotropy compound nano crystal permanent magnetic material |
| 12/18/2002 | CN1385550A High wear-resistant ally and production method thereof |
| 12/18/2002 | CN1385549A Intermediate carbon multielement low alloy wear-resistant casting steel |
| 12/18/2002 | CN1385548A Easy cut tool steel |
| 12/17/2002 | US6494970 Heat resistant steel casting and method of manufacturing the same |
| 12/17/2002 | US6494969 High strength cold rolled steel sheet and method for manufacturing the same |
| 12/17/2002 | US6494789 Golf club head |
| 12/17/2002 | US6494659 Anti-galling fastener inserts |
| 12/17/2002 | US6493936 Method of making steam turbine blade |
| 12/14/2002 | WO2002103069A1 Steel pipe having high formability and method for production thereof |
| 12/12/2002 | WO2002099150A1 Martensitic stainless steel |
| 12/12/2002 | WO2002098599A1 Welding consumable composition |
| 12/12/2002 | WO2002070768A3 A cast shaped article made from high strenght, precipiation-hardenable stainless steel and a process for making same |
| 12/12/2002 | US20020185201 A steel, comprising carbon, silicon, manganese, chromium, sulfur and iron; minimizes hardness increase after forging; improved in rolling resistance, nonpitting, wear resistance and fatigue strength; hub units; constant velocity joints |
| 12/12/2002 | US20020184923 Glassware forming mold and method of manufacture |
| 12/12/2002 | DE10128032A1 Process for protecting steel part of apparatus against corrosion comprises using anodic protection, in which an anode, cathode and reference electrode are connected together |
| 12/11/2002 | EP1264966A1 Steam turbine and power generating equipment |
| 12/11/2002 | EP1264912A1 Free-cutting steel for machine structural use having good machinability in cutting by cemented carbide tool |
| 12/11/2002 | EP1264911A2 High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same |
| 12/11/2002 | EP1264910A1 Steel pipe having excellent formability and method for production thereof |
| 12/11/2002 | EP1264909A1 Steel excellent in suitability for forging and cutting |
| 12/11/2002 | EP1264902A2 Welded steel pipe for hydroforming and method for making the same |
| 12/11/2002 | EP1264645A2 Welded steel pipe having excellent hydroformability and method for making the same |
| 12/11/2002 | EP1264009A2 Method for applying a metal layer to a light metal surface |
| 12/11/2002 | EP1263999A1 Corrosion resistant austenitic alloy |
| 12/11/2002 | EP1263993A1 Method for producing non grain-oriented electric sheets |
| 12/11/2002 | EP1185387B1 Method for continuously casting between two rolls austenitic stainless steel strips with excellent surface quality and resulting strips |
| 12/11/2002 | EP0774520B1 Process for producing steel pipe excellent in corrosion resistance and weldability |
| 12/11/2002 | EP0730042B1 Bainite steel material of little scatter of quality and method of manufacturing the same |
| 12/11/2002 | CN1383940A High-carbon and chronmium bearing steel wire for direct drawing and its making process |
| 12/10/2002 | US6491768 Forming at least outer and inner rings of anti-friction bearing using steel including specified amounts of carbon, silicon, manganese and chromium, tempering to reduce amount of retained austenite and increase hardness of surface layer |
| 12/10/2002 | US6491767 Case hardened dies for improved die life |
| 12/10/2002 | US6491089 Process for manufacturing carbon-steel strip by twin-roll continuous casting, product produced and apparatus |
| 12/10/2002 | CA2260498C Material for gas turbine disk |
| 12/10/2002 | CA2232679C High-strength, notch-ductile precipitation-hardening stainless steel alloy |
| 12/05/2002 | WO2002097146A1 Unidirectional silicon steel sheet of ultra-low iron loss and method for production thereof |
| 12/05/2002 | US20020182468 Current collector for SOFC fuel cells |
| 12/05/2002 | US20020182099 Hot working die steel excelling in molten corrosion resistance and strength at elevated temperature and member for high temperature use formed of the hot working die steel |
| 12/05/2002 | US20020179207 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
| 12/05/2002 | US20020179206 High strength cold rolled steel sheet and method for manufacturing the same |
| 12/05/2002 | US20020179193 Hot rolling; finishing; controlling temperature |
| 12/05/2002 | US20020179188 Iron alloy with carbide or carbonitride surface; wear resistance |
| 12/05/2002 | DE10130447A1 Safe used for storing important data and documents consists of a housing having a base, a top, two sidewalls, a rear wall and a door all made from steel plate having a high chromium content |
| 12/05/2002 | DE10123674A1 Gleitkantenprofil Gleitkantenprofil |
| 12/04/2002 | EP1263067A2 Current collector for SOFC fuel cells |
| 12/04/2002 | EP1263003A2 Preparation of a rare earth magnet alloy powder for a bonded magnet and rare earth bonded magnet therewith |
| 12/04/2002 | EP1262573A1 Free-cutting steel |
| 12/04/2002 | EP1262572A1 Free-cutting steel |
| 12/04/2002 | EP1262571A1 Steel product having weld heat-affected zone excellent in rigidity |
| 12/04/2002 | EP1261748A1 Bar product, cylinder rods, hydraulic cylinders, and method for manufacturing |