| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/04/2013 | CN103422026A High strength steel containing niobium and titanium |
| 12/04/2013 | CN103422025A Steel for low-yield-ratio structure with yield strength larger than or equal to 690MPa and production method of steel |
| 12/04/2013 | CN103422024A CrMnN alloy and preparation method thereof |
| 12/04/2013 | CN103422023A Chromium-molybdenum alloy heat-resisting steel plate and manufacturing method thereof |
| 12/04/2013 | CN103422022A Large-thickness steel plate for low-temperature structure and production method thereof |
| 12/04/2013 | CN103422021A Low-yield-ratio structural steel with yield ratio equal to or larger than 550MPa and manufacturing method thereof |
| 12/04/2013 | CN103422020A Steel plate for punching-welding axle housing and manufacturing method thereof |
| 12/04/2013 | CN103422019A Method for manufacturing ultra-fine steel wire |
| 12/04/2013 | CN103422018A Aluminum iron alloy materials |
| 12/04/2013 | CN103422017A Seamless steel tube used in environment with delivery temperature below -130 DEG C and manufacturing method thereof |
| 12/04/2013 | CN103422016A Novel high-carbon chromium bearing steel |
| 12/04/2013 | CN103422015A Wear resistant plate and application in excavating machine bucket |
| 12/04/2013 | CN103422014A Thermoplastic molding adhesion magnetic refrigerant materials, preparation method and applications |
| 12/04/2013 | CN103422013A Preparation method of calcium-iron composite material |
| 12/04/2013 | CN103422012A Preparation method of NdFeB magnetic material |
| 12/04/2013 | CN103422007A Preparation method of high temperature resistant and abrasion resistant alloy steel containing aluminum-boron-chromium |
| 12/04/2013 | CN103421941A Thermal treatment method for improving corrosion resistance of steel plate for marine-atmospheric-corrosion-resistant structure |
| 12/04/2013 | CN103421922A Method for producing ferronickel by processing laterite nickel ore in Sulawesi, Indonesia through RKEF technology |
| 12/04/2013 | CN103418885A Method of enhancing surface hardness of ferrite nodular cast iron |
| 12/04/2013 | CN102925649B Manufacture method of austenitic stainless steel with good polishing performance |
| 12/04/2013 | CN102851470B Heat treatment technique capable of overcoming bulky or cellular precipitation of superhigh-carbon steel carbide |
| 12/04/2013 | CN102803522B Method for producing harmonic drive gear base material |
| 12/04/2013 | CN102719644B Forecasting method of inner and outer wall temperature difference of 9% Cr martensitic steel thick wall pipeline in heat treatment |
| 12/04/2013 | CN102691004B Production method for treating weathering steel for containers without sand blasting or shot blasting |
| 12/04/2013 | CN102568738B Manufacturing method of high-mechanical-strength sintered neodymium iron boron permanent magnets |
| 12/04/2013 | CN102505097B Wear-resistant anti-corrosion bushing material for concrete pump truck |
| 12/04/2013 | CN102264932B Alloy material for r-t-b system rare earth permanent magnet, method for producing r-t-b system rare earth permanent magnet, and motor |
| 12/04/2013 | CN102257173B Oriented electrical steel sheet, and method for producing same |
| 12/04/2013 | CN101624680B Material of intermediate layer for centrifugally casting boracic high-speed steel composite rolls |
| 12/03/2013 | US8597439 High-strength cold rolled steel sheet having excellent formability, and plated steel sheet |
| 12/03/2013 | US8597438 Use and method of producing a dispersion strengthened steel as material in a roller for a roller hearth furnace |
| 12/03/2013 | US8597437 Biocompatible material made of stainless steel having a martensitic surface layer |
| 11/28/2013 | WO2013175821A1 Hollow stabilizer, and steel pipe for hollow stabilizers and method for production thereof |
| 11/28/2013 | WO2013175793A1 Base material for high-toughness clad steel plate having excellent toughness in welded joints, and method for producing said clad steel plate |
| 11/28/2013 | WO2013175760A1 Electricity storage element |
| 11/28/2013 | WO2013175745A1 High-strength thick steel plate for structural use which has excellent brittle crack arrestability, and method for producing same |
| 11/28/2013 | WO2013175733A1 Method for manufacturing grain-oriented electrical steel sheet |
| 11/28/2013 | WO2013175643A1 Stainless steel foil solar cell substrate material and method for manufacturing same |
| 11/28/2013 | WO2013173955A1 Laser cladding method |
| 11/28/2013 | WO2013173916A1 Alloys of the type fe3alta(ru) and use thereof as electrode material for the synthesis of sodium chlorate or as corrosion resistant coatings |
| 11/28/2013 | WO2013148674A3 Abrasion and corrosion resistant alloy and hardfacing/cladding applications |
| 11/28/2013 | US20130316262 Ferritic stainless steel excellent in corrosion resistance and conductivity and method for manufacturing the same, separator of proton-exchange membrane fuel cell and proton-exchange membrane fuel cell |
| 11/28/2013 | US20130315776 Duplex stainless steel |
| 11/28/2013 | US20130312880 Duplex stainless steel and production method therefor |
| 11/28/2013 | DE102012223376A1 Heat-treating hot-forming solid parts at high frequency involves heating forming solid parts in heat treatment zone until temperature of zone is achieved to austenite transformation point or higher, and maintaining temperature of zone |
| 11/28/2013 | DE102005046459B4 Verfahren zur Herstellung von kaltgefertigten Präzisionsstahlrohren Process for the preparation of cold formed precision steel tubes |
| 11/27/2013 | EP2667391A1 Method of producing r-t-b sintered magnet |
| 11/27/2013 | EP2667385A1 R-t-b sintered magnet |
| 11/27/2013 | EP2666880A1 Steel material having superior toughness of welded heat-affected zone, and method for manufacturing same |
| 11/27/2013 | EP2666879A1 Austenitic Fe-Ni-Cr alloy |
| 11/27/2013 | EP2666875A1 Method for manufacturing bearing ring, bearing ring, and rolling bearing |
| 11/27/2013 | CN203307406U Combined product |
| 11/27/2013 | CN203307405U Device capable of reducing Ga (gallium) loss in process of smelting neodymium iron boron |
| 11/27/2013 | CN103415641A Steel sheet hot-dip-coated with Zn-Al-Mg-based system, and process of manufacturing same |
| 11/27/2013 | CN103415640A Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same |
| 11/27/2013 | CN103415639A Spring and manufacturing method thereof |
| 11/27/2013 | CN103415638A Non-oriented electromagnetic steel sheet, method for producing same, laminate for motor iron core, and method for producing said laminate |
| 11/27/2013 | CN103415637A High-carbon steel wire having excellent drawability and fatigue properties after drawing |
| 11/27/2013 | CN103413668A Method for preparing dysprosium iron neodymium-iron-boron magnet |
| 11/27/2013 | CN103409748A Method for preparing Fe-Mn-Si shape memory alloy coating via laser cladding |
| 11/27/2013 | CN103409706A Steel sheet for high-strength container |
| 11/27/2013 | CN103409705A Surface and central property differentiated plate and manufacturing method and device thereof |
| 11/27/2013 | CN103409704A Low-chrome high-aluminum double-phase stainless steel |
| 11/27/2013 | CN103409703A Aluminum-containing high-manganese biphase stainless steel |
| 11/27/2013 | CN103409702A Seamless steel pipe for L830Q pipeline containing rare earth and production method of seamless steel pipe |
| 11/27/2013 | CN103409701A Powder metallurgy product and preparation method thereof |
| 11/27/2013 | CN103409700A Preparation technology of alloy steel of train buffer |
| 11/27/2013 | CN103409699A Steel forging with ultra-high strength and ultra-high low-temperature impact on box body of fracturing pump valve and manufacturing method of steel forging |
| 11/27/2013 | CN103409698A Alloy steel and method of manufacturing torsion shaft by virtue of alloy steel |
| 11/27/2013 | CN103409697A Novel aluminium and zinc corrosion resistance nichrome and furnace roller manufacturing method by adopting same |
| 11/27/2013 | CN103409696A Hot rolling roller for rolling nonferrous metal, and manufacturing method thereof |
| 11/27/2013 | CN103409695A Composite material pouring-casted bucket and its production technology and production device |
| 11/27/2013 | CN103409694A Steel for low-carbon microalloying bainite steel rails and manufacturing method thereof |
| 11/27/2013 | CN103409693A Steel used for bainite rail, and manufacturing method thereof |
| 11/27/2013 | CN103409692A Impact resistance and wear resistance alloy and production process thereof |
| 11/27/2013 | CN103409691A Powder metallurgy tool steel and preparation method thereof |
| 11/27/2013 | CN103409690A Low activation steel and making method thereof |
| 11/27/2013 | CN103409689A Bainitic/martensitic steel treated by rare earth and special for railway frog |
| 11/27/2013 | CN103409688A Large forged high-speed steel cold roll and manufacturing method thereof |
| 11/27/2013 | CN103409687A Powder metallurgy supporting seat and preparation method thereof |
| 11/27/2013 | CN103409686A Production method of Q345D steel plate |
| 11/27/2013 | CN103409685A Seamless steel pipe for conventional island in nuclear power plant and production process thereof |
| 11/27/2013 | CN103409684A High-strength cold-rolled magnetic pole steel and preparation method thereof |
| 11/27/2013 | CN103409683A 600MPa hot rolled ribbed steel bar and production method thereof |
| 11/27/2013 | CN103409682A Method for producing superfine steel wires from high-carbon steel wire rod |
| 11/27/2013 | CN103409678A Sintered Fe-Al-based alloy porous material and filtering element employing same |
| 11/27/2013 | CN103409601A Heat treatment method for super-alloy electromagnetic stirring roller used in high-temperature environment |
| 11/27/2013 | CN103406730A Manufacturing technology for support frame |
| 11/27/2013 | CN103406532A Car shaft-type component powder metallurgy material and preparation method thereof |
| 11/27/2013 | CN102808068B Process for performing continuous annealing on low-carbon aluminum killed steel belt |
| 11/27/2013 | CN102758146B Alloy material and method for manufacturing open pinion in gasifier by using same |
| 11/27/2013 | CN102719761B Wheel disc forging and manufacturing method thereof |
| 11/27/2013 | CN102703835B Hot-work die steel for aluminum die-casting mould |
| 11/27/2013 | CN102703822B Preparation method of high-speed steel for composite roll collar |
| 11/27/2013 | CN102703821B Heat treatment process of heat resistant steel for sintering machine grates |
| 11/27/2013 | CN102691009B High-temperature and high-conductivity alloy material and application thereof in electrode |
| 11/27/2013 | CN102644022B Manufacturing method for ferritic stainless steel strip containing molybdenum |
| 11/27/2013 | CN102639736B Bearing steel |
| 11/27/2013 | CN102634735B Spring steel used for automobile suspension as well as preparation method and application thereof |
| 11/27/2013 | CN102586683B Ni-series low-temperature steel, manufacture method thereof, liquefied natural gas storage tank and ship body for transportation ship |