| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 02/13/2008 | CN101121988A Smelting method for steel used for low-temperature pressure container |
| 02/13/2008 | CN101121987A Smelting method for titanium-containing austenitic stainless steel |
| 02/13/2008 | CN100368583C Thin gauge gas cylinder steel with good stamping performance and process for producing same |
| 02/13/2008 | CN100368582C Ultra-low-carbon bainite steel and producing method thereof |
| 02/13/2008 | CN100368581C Toughening method for casting high-boron wear-resistant alloy |
| 02/13/2008 | CN100368580C High strength hot dip galvanized steel sheet, and its production method |
| 02/13/2008 | CN100368579C High-strength martensitic stainless steel with excellent resistances to carbon dioxide gas corrosion and sulfide stress corrosion cracking |
| 02/12/2008 | CA2447304C Metal powder for thermal coating of substrates |
| 02/07/2008 | WO2008016395A1 Heat and corrosion resistant cast austenitic stainless steel alloy with improved high temperature strength |
| 02/07/2008 | WO2008016158A1 Free-cutting stainless steel and process for producing the same |
| 02/07/2008 | WO2008015643A2 Nickel-based brazing alloy and method for brazing |
| 02/07/2008 | WO2008015260A1 Method for transforming steel blanks |
| 02/07/2008 | WO2008015258A1 Process for manufacturing steel blanks |
| 02/07/2008 | US20080032105 Low thermal expansion bondcoats for thermal barrier coatings |
| 02/07/2008 | DE102007031927A1 Austenitische auf Eisen basierende Legierung Austenitic iron-based alloy |
| 02/06/2008 | EP1884575A1 Stainless steel sheet for disc brake excellent in heat resistance and corrosion resistance |
| 02/06/2008 | EP1884573A1 Steel manufacturing process and steel obtained using this process |
| 02/06/2008 | EP1807544B1 High-tensile, air-hardenable steel with excellent deformation properties |
| 02/06/2008 | CN101120114A High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile |
| 02/06/2008 | CN101120113A High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof |
| 02/06/2008 | CN101120104A Method for producing extremely low carbon steel sheet and extremely low carbon cast piece having excellent surface characteristics, workability and formability |
| 02/06/2008 | CN101118024A Alloy rolled pipe |
| 02/06/2008 | CN101117692A Non-magnetic high-strength stainless steel material and method for manufacturing the same |
| 02/06/2008 | CN101117691A Technique for processing heavy caliber pipes |
| 02/06/2008 | CN101117690A Steel material for steam turbine final blade and heat treating process thereof |
| 02/06/2008 | CN101117689A 03Cr22Ni4NbN austenite-ferritic stainless steel and production technology therefor |
| 02/06/2008 | CN101117688A Novel stainless bearing steel and method for manufacturing same |
| 02/06/2008 | CN101117687A Copper-carbon easy-cutting stainless steel and method for making same |
| 02/06/2008 | CN101117686A Mabe wear-resistant steel |
| 02/06/2008 | CN101117685A Non-magnetic alloy and counterbalance produced thereby |
| 02/06/2008 | CN101117684A Micro-alloying high-strength fork steel |
| 02/06/2008 | CN101117683A High-performance hydrogen sulfide corrosion resistant oil drill rocker and its heat treatment process |
| 02/06/2008 | CN101117682A Highly-magnetic high corrosion resistant alloy |
| 02/06/2008 | CN100366934C Rolling, sliding part and process for producing same |
| 02/06/2008 | CN100366780C Needle ferrichrome-X70 pipeline steel with high crack-arresting toughenss and its production |
| 02/06/2008 | CN100366779C Stone material cutting saw blade steel and its manufacturing method |
| 02/06/2008 | CN100366778C Steel in use for fire resistant, heat insulated oil line, and preparation method |
| 02/06/2008 | CN100366777C High temperature creep-resisting furnace shell material and its preparation method |
| 02/06/2008 | CN100366776C High-carbon steel wire rod with high strength and high toughness |
| 02/06/2008 | CN100366760C Method for making hardenable steel plates by firing, resulting steel plates |
| 02/06/2008 | CN100366759C Ultrahigh strength hot-rolled steel and method of producing bands |
| 02/06/2008 | CN100366363C Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
| 02/05/2008 | US7326307 Heat resistant cast steel; engine parts, particularly exhaust gas manifold and turbo-housings; matrix of the steel is an austenitic phase mainly composed of iron-nickel-chromium |
| 02/05/2008 | US7326306 Method for producing nitriding steel |
| 02/05/2008 | US7325717 Welding a low-alloy steel using an iron-based alloy: less than 0.05% C; 6.0-16.0% of Cr; and 6.0-16.0% of Ni and having a martensitic transformation starting temperature of 0 to 170 degrees C.; large-scale steel structures such as ships, bridges, tanks; weld crack and fatigue resistance |
| 02/05/2008 | CA2402515C Powder-metallurgic method for the production of highly dense shaped parts |
| 01/31/2008 | WO2008013498A1 Ferritic chromium steel |
| 01/31/2008 | WO2008013323A1 Steel part with surface layer of fine grain and process for producing the same |
| 01/31/2008 | WO2008013305A1 Stainless steel sheet for parts and process for manufacturing the same |
| 01/31/2008 | WO2008013300A1 Process for producing pearlitic rail excellent in wearing resistance and ductility |
| 01/31/2008 | WO2008013233A1 Multilayer steel and method for producing multilayer steel |
| 01/31/2008 | WO2008013223A1 Austenitic stainless steel welded joint and austenitic stainless steel welding material |
| 01/31/2008 | WO2008013015A1 Non-oriented magnetic steel sheet with high strength |
| 01/31/2008 | WO2007113642A3 Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
| 01/31/2008 | US20080026241 Steel tubing with enhanced slot-ability characteristics for warm temperature service in casing liner applications and method of manufacturing the same |
| 01/31/2008 | US20080025866 Iron-Based Sintered Alloy, Iron-Based Sintered-Alloy Member and Production Process for Them |
| 01/31/2008 | US20080025865 Degassing a refined molten steel produced in an arc melting furnace or a converter to a ladle furnace; casting into ingot; tapping deoxidation; deoxidizer including manganese, aluminum, and silicon |
| 01/31/2008 | US20080023112 Having a tensile strength (TS) of at least 980 MPa, as well as well balanced tensile strength and stretch flangeability as represented by the product of the TS and the stretch flangeability ( lambda ) (TSx lambda ) of 50,000 or higher; automobiles, electric appliances |
| 01/31/2008 | DE102007033950A1 Werkstück aus einer hochfesten Stahllegierung und dessen Verwendung Workpiece made of a high strength steel alloy and its use |
| 01/31/2008 | CA2659596A1 Ferritic chromium steel |
| 01/31/2008 | CA2580933A1 Heat and corrosion resistant cast austenitic stainless steel alloy with improved high temperature strength |
| 01/30/2008 | EP1882756A1 Ferritic chromium steel |
| 01/30/2008 | EP1882755A1 High silicon stainless steel, spring manufactured by using same as raw material, and method for producing high silicon stainless steel |
| 01/30/2008 | EP1882050A2 Powder-metallurgically produced, wear-resistant material |
| 01/30/2008 | EP1361289B1 High strength spring made of heat-treated steel wire |
| 01/30/2008 | CN101115859A High-concentration carburized/low-strain quenched member and process for producing the same |
| 01/30/2008 | CN101115857A Hot-dip galvanized steel sheet and alloyed hot-dip galvanized steel sheet |
| 01/30/2008 | CN101115850A Novel fe-al alloy and method for producing same |
| 01/30/2008 | CN101113749A Method for making high intensity non-magnetic non-corrodible steel tauten screw rod |
| 01/30/2008 | CN101113507A Niobium, vanadium composite micro-alloying low-carbon boron steel for cold heading and production method thereof |
| 01/30/2008 | CN101113506A Magnetic powder suitable for low-noise media |
| 01/30/2008 | CN100365745C Method for preparing rare-earth iron series biphase nanocrystalline composite permanent-magnet material |
| 01/30/2008 | CN100365151C Radiant tube in cracking furnaces |
| 01/30/2008 | CN100365150C Heavy-load gear steel |
| 01/29/2008 | US7323070 ultralow carbon-Ni steel or ultralow carbon-Ni Co steel; strengthened by precipitation intermetallic compounds of Ti or Mo, etc. on a matrix of tough martensite |
| 01/29/2008 | CA2486731C Spring steel with improved hardenability and pitting resistance |
| 01/29/2008 | CA2434448C Steel pipe having low yield ratio |
| 01/25/2008 | CA2594631A1 Steel tubing with enhanced slot-ability characteristics for warm temperature service in casing liner application and method of manufacturing the same |
| 01/24/2008 | WO2008010767A1 Iron-based powder |
| 01/24/2008 | WO2008009722A1 Rustproof austenitic cast steel, method for production and use thereof |
| 01/24/2008 | US20080019858 Iron-based powder |
| 01/24/2008 | US20080017284 Steel for oil well pipe excellent in sulfide stress cracking resistance and method for producing seamless steel pipe for oil well |
| 01/24/2008 | US20080017283 Steel For Machine Structural Use With Excellent Strength, Ductility, And Toughness And Method For Producing The Same |
| 01/24/2008 | DE102006033973A1 Nichtrostender austenitischer Stahlguss und seine Verwendung Austenitic stainless steel casting and its use |
| 01/24/2008 | CA2657747A1 Austenitic stainless cast steel part, method for production and use thereof |
| 01/23/2008 | EP1881083A1 Workpiece made of a high-strength steel alloy and its use |
| 01/23/2008 | EP1880782A2 A method for evaluating a raw alloy for a magnet |
| 01/23/2008 | EP1501953B8 Thermostable and corrosion-resistant cast nickel-chromium alloy |
| 01/23/2008 | CN101111623A An austenitic steel and a steel product |
| 01/23/2008 | CN101111622A Austenitic steel having high strenght and formability method of producing said steel and use thereof |
| 01/23/2008 | CN101111621A High tensile and fire-resistant steel excellent in weldability and gas cutting property and method for production thereof |
| 01/23/2008 | CN101111620A Steel for machine structural use with excellent strength, ductility, and toughness and method for producing the same |
| 01/23/2008 | CN101111619A Steel sheet for flexible can, and its production method |
| 01/23/2008 | CN101111618A Niobium addition in crmo 1/4 v steel castings for steam turbine casing appliations |
| 01/23/2008 | CN101111617A Iron-based powder combination |
| 01/23/2008 | CN101110289A Rare earth permanent magnet, its manufacturing method, and permanent magnet rotary machine |
| 01/23/2008 | CN101109271A Application of low-temperature structural steel in design and manufacture of oil-well rig headframe |
| 01/23/2008 | CN101109245A Iron basis powder metallurgy lock case of lock for two-wind door and manufacturing technique thereof |
| 01/23/2008 | CN101109059A High resistivity high magnetic conduction martensite-ferrite diphasic stainless steel and thermal treatment technique thereof |
| 01/23/2008 | CN101109058A Steel for Immunizing ultra-fine crystal D grade sucker rod sucker rod and manufacturing method thereof |