Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
07/2010
07/21/2010CN101781737A Marine 40kg heat mechanical control rolling thick plate steel and manufacturing method thereof
07/21/2010CN101781736A Yield strength 225MPa-level earthquake-resistant construction steel and production method thereof
07/21/2010CN101781735A Economical high-strength binding strip steel with tensile strength more than or equal to 1,000 MPa, and manufacturing method thereof
07/21/2010CN101781698A Thermal treatment process of R5 mooring chain
07/21/2010CN101519754B Alloy steel for braking discs
07/21/2010CN101476088B R17Cr1Ni3Mo steel for nuclear pressure vessel and preparation thereof
07/21/2010CN101413049B Preparation of normalizing weldable fine grain steel plate with a yield strength of 420MPa
07/21/2010CN101386062B Production technique of lead treated steel
07/21/2010CN101368248B Heat-resisting alloy steel for grate plate and method of producing the same
07/21/2010CN101338400B High strength low-temperature-used low carbon bainite steel and production process thereof
07/21/2010CN101275202B High-strength low-yield ratio steel material having superior toughness in welding hot heat affected zone
07/21/2010CN101256124B Method for research macrotype ingot aliquation
07/21/2010CN101153372B Steel plate with excellent inhibition of welding heat affected section and manufacturing method of the same
07/21/2010CN101139692B Martensitic stainless steel cementation method and product thereof
07/21/2010CN101139681B High grade cold rolling non-oriented silicon steel and method for manufacturing same
07/20/2010US7758968 steam turbine comprising a thermal insulation layer and a metallic anti-erosion layer; protective coatings for reduce thermomechanical stresses
07/20/2010US7758707 Martensitic stainless steel and method of the manufacture
07/15/2010WO2010079625A1 Testing method for bolts
07/15/2010WO2010045937A3 Security cabinet
07/15/2010WO2010013054A4 Super bainite steels and methods of manufacture thereof
07/15/2010WO2009075542A3 High strength steel plate for high heat input welding having welded joint with superior impact toughness in weld heat affected zone
07/15/2010WO2007064172A9 Steel sheet for hot press forming having excellent heat treatment and impact property, hot press parts made of it and the method for manufacturing thereof
07/15/2010US20100178194 Powder extrusion of shaped sections
07/15/2010US20100175795 Steel Wire Rod for High Strength and High Toughness Spring Having Excellent Cold Workability, Method for Producing the Same and Method for Producing Spring by Using the Same
07/15/2010US20100175508 High temperature alloys
07/15/2010DE102009052994A1 Ferritischer rostfreier Stahl und Stahlblech für Heizrohre bzw. Wärmerohre, und Heizrohr bzw. Wärmerohr und Hochtemperatursystem zur Rückgewinnung von Abgaswärme Ferritic stainless steel and steel plate for heating pipes and heat pipes, and heating tube and heat pipe and high temperature system for recovering exhaust heat
07/15/2010CA2726454A1 Method for inspecting bolts
07/14/2010EP2206799A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
07/14/2010EP2206798A1 Turbine rotor and process for production of turbine rotor
07/14/2010EP2206796A1 Austenitic heat resistant alloy
07/14/2010EP2205770A1 Intermediate piece for connecting manganese steel molded bodies with carbon steel and method for connecting manganese high-carbon steel cast parts to control rails
07/14/2010EP1287571B1 Material used at high temperatures
07/14/2010CN101778964A Insulating coating treatment liquid for grain oriented electromagnetic steel sheet and process for manufacturing grain oriented electromagnetic steel sheet with insulating coating
07/14/2010CN101778956A Process for the production of a grain oriented magnetic strip
07/14/2010CN101777803A Hysteresis motor and manufacturing method of stator yokes used by same
07/14/2010CN101776137A Powder metallurgy duplex helical gear and preparation method thereof
07/14/2010CN101775561A Low-yield-ratio and high strength thick plate and preparation process thereof
07/14/2010CN101775560A Nickel-saving austenitic stainless steel and production method thereof
07/14/2010CN101775559A Easily welded high-strength-and-toughness ship plate steel and production process
07/14/2010CN101775558A Fe-Cr-B cast abrasion-resistant alloy and manufacturing method thereof
07/14/2010CN101775557A Low-carbon boron-containing mild steel and preparation method thereof
07/14/2010CN101775556A X65 hot-rolled coil for use in acidic environment and manufacturing method thereof
07/14/2010CN101775555A Forging alloy steel and manufacturing process thereof
07/14/2010CN101775554A High strength anti-fatigue and atmospheric corrosion resistant medium plate and manufacture method thereof
07/14/2010CN101775553A Antirust weldable alloy cast steel material and application thereof
07/14/2010CN101775552A High-strength high-flexibility low-yield-ratio fire resistant steel and production method thereof
07/14/2010CN101775551A Manufacture method of novel marine corrosion resistance stainless steel and steel cable thereof
07/14/2010CN101775550A Piston top material of combined piston for big cylinder-diameter diesel engine
07/14/2010CN101775549A Iron-based rare earth high-chromium wear-resistant welded steel spherical elbow
07/14/2010CN101775548A Method for producing low nitriding amount and high magnetic induction oriented silicon steel strip
07/14/2010CN101775547A Production method of high magnetic induction grain-oriented silicon steel strip
07/14/2010CN101775546A High strength boron-containing cold heading steel for fastener and preparation process thereof
07/14/2010CN101775545A Low-alloy high-strength high-toughness wear-resistant steel plate and manufacturing method thereof
07/14/2010CN101775544A Sulfuric acid dew point corrosion-resistant steel KNS and rolling method thereof
07/14/2010CN101775543A HB400-grade wear-resisting steel plate and production method thereof
07/14/2010CN101775542A Quake-proof construction steel with yield strength of 100MPa and production method thereof
07/14/2010CN101775541A Quake-proof construction steel with yield strength of 160MPa and production method thereof
07/14/2010CN101775540A Anti-aging steel plate with high machinability and manufacturing method thereof
07/14/2010CN101775539A High-flexibility wear-resistant steel plate and manufacturing method thereof
07/14/2010CN101775538A Technique for producing 500MPa level high-strength quake-proof reinforcing steel bar
07/14/2010CN101775537A Microalloy high tenacity no-tempering crane jib tube and production method
07/14/2010CN101775536A 225MPa earthquake-proof low yield strength steel and manufacturing method thereof
07/14/2010CN101775535A 160MPa earthquake-proof low yield strength steel, steel plate and manufacturing method thereof
07/14/2010CN101775531A Nickel-molybdenum-copper alloy and preparation method thereof
07/14/2010CN101775521A Ultrahigh rotating speed oil bearing for powder metallurgy and manufacturing method thereof
07/14/2010CN101774107A Method for forging Venturi tubes
07/14/2010CN101774012A Preparation method for forming Ti2O3 nano particles in molten steel
07/14/2010CN101773935A High speed steel compound roll and manufacture method thereof
07/14/2010CN101773930A Method for producing 65Mn hot rolled steel plate
07/14/2010CN101773929A Method for producing 30CrMo hot rolled steel plate
07/14/2010CN101773798A Formula and processing method of stirrer blade
07/14/2010CN101530869B Process for manufacturing stainless-steel seamless steel pipe used for high-pressure boiler and heat-exchanger
07/13/2010US7754305 Microstructure; external continuous scale comprising alumina; NbC and TaC nanoparticles; Mn weight percent range is 5-14, 6-14
07/13/2010US7754144 Microstructure; continuous scale comprising alumina
07/13/2010US7754143 corrosion resistance; solid solutions; useful as valve seat insert for internal combustion engines such as diesel engines
07/13/2010US7754142 Alloy; carbon, chromium, silicon, nickel, tungsten, molybdenum, niobium, vanadium, titanium, aluminum, copper, manganese, iron; wear resistance, corrosion resistance
07/13/2010US7754032 Method for manufacturing a high speed tool steel
07/13/2010US7754031 Structural steel having improved quenchability without a reduction in its weldability; addition of silicon enables the quenching effectof boron to increased from 30-50%; this synergy occurs withoutincreasing the boron amount added, while silicon has no appreciable quenching effect in boron's absense
07/13/2010US7754030 Metal structure of a ferrite phase and a hard second phase dispersed in the ferrite phase; high strength with fast deformation, high absorption characteristics of impact energy, high workability; automobiles
07/13/2010US7754029 Steel with excellent delayed fracture resistance and tensile strength of 1801 MPa class or more, and its shaped article
07/08/2010WO2010077065A2 Stainless steel for polymer fuel cell separator and method for preparing same
07/08/2010WO2010075797A1 Method for manufacturing grain oriented silicon steel with single cold rolling
07/08/2010WO2007074984A9 High-strength steel bolt having excellent resistance for delayed fracture and method for producing the same
07/08/2010US20100173716 Formed product and method for production thereof
07/08/2010US20100172788 Cold rolledsteel sheet and method for manufacturing the same
07/08/2010US20100172787 Novel additive comprising lead and/or a lead alloy intended to treat baths of liquid steel
07/08/2010US20100172786 High-strength steel sheet having excellent elongation, stretch flangeability and weldability
07/08/2010US20100172785 Ferritic-austenitic stainless steel
07/08/2010US20100172784 Cast iron semi-finished product excellent in workability and method of production of the same
07/08/2010US20100170596 Corrosion-resistant austenitic steel alloy
07/08/2010CA2748568A1 Stainless steel for polymer electrolyte membrane fuel cell separator and method of manufacturing the same
07/07/2010EP2204463A1 Martensitic non-heat-treated steel for hot forging and non-heat-treated steel hot forgings
07/07/2010CN201520798U Smelting equipment system for low-temperature alloy steel for engineering
07/07/2010CN201520791U Manufacturing equipment for wear-resistant alloy cast steel products for engineering
07/07/2010CN101772586A Ni-base alloy-high chromium steel structure and process for producing the ni-base alloy-high chromium steel structure
07/07/2010CN101772584A High-strength steel sheet
07/07/2010CN101772583A Hot-rolled shape steel for ships and process for manufacturing the same
07/07/2010CN101772389A Iron-containing mixed powder for powder metallurgy and sintered iron powder compact
07/07/2010CN101770843A Material for anisotropic magnet and method of manufacturing the same
07/07/2010CN101769403A Seamless steel tube for nuclear power and production method thereof