Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
11/2013
11/06/2013CN102336038B Composite structural material and process for manufacturing pipeline component using same
11/06/2013CN102330035B Heat resistant steel, and heat resistant steel pipe and manufacturing method thereof
11/06/2013CN102301016B An improved process for production of high carbon ferrochrome (hcfecr) and charge chrome with the use of a new type of chromite ore agglomerates
11/06/2013CN102301015B Heavy gauge, high tensile strength, hot rolled steel sheet with excellent HIC resistance and manufacturing method therefor
11/06/2013CN102286699B Corrosion-resistant steel with impact molding rate not smaller than 150 per minute for cell shell and preparation method thereof
11/06/2013CN102181822B Antibacterial stainless steel with copper-cerium-containing surface, and application and preparation process thereof
11/06/2013CN102112643B Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor
11/06/2013CN102066599B High-strength ultra-fine steel wire and manufacturing method therefor
11/06/2013CN102007226B High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet
11/06/2013CN102002639B Dual phase steel sheet and method of manufacturing the same
11/06/2013CN101681708B Sintered soft magnetic powder molded body
11/06/2013CN101173341B Wear-resistant metal matrix ceramic composite parts and methods of manufacturing thereof
11/06/2013CN101120114B High-strength cold-rolled steel sheet excellent in coating adhesion, workability and hydrogen embrittlement resistance, and steel component for automobile
11/05/2013US8574381 Weld metal and welded structure having weld joints using the same
10/2013
10/31/2013WO2013161937A1 Spot-welding joint
10/31/2013WO2013161863A1 Grain-oriented electrical steel sheet and manufacturing method therefor
10/31/2013WO2013161831A1 Method for producing galvanized steel sheet for hot stamping, alloyed hot-dipped galvanized steel sheet for hot stamping and method for producing same, and hot stamped component
10/31/2013WO2013161794A1 Rail
10/31/2013WO2013161775A1 Rolling bearing
10/31/2013WO2013161623A1 Case hardening steel material
10/31/2013WO2013161567A1 Seamless steel pipe and method for manufacturing same
10/31/2013WO2013161548A1 Steel for vehicle wheel
10/31/2013WO2013161538A1 Steel for mechanical structure for cold working, and method for manufacturing same
10/31/2013WO2013161238A1 Cladding material for stainless-steel-clad steel plate and stainless-steel-clad steel plate obtained using same, and process for producing same
10/31/2013WO2013161231A1 High-strength steel sheet and process for producing same
10/31/2013WO2013161090A1 High-strength hot-rolled steel plate with good ductility, stretch flangeability and material quality uniformity, and process for manufacturing same
10/31/2013WO2013161089A1 Cr-CONTAINING STEEL PIPE FOR LINEPIPE EXCELLENT IN INTERGRANULAR STRESS CORROSION CRACKING RESISTANCE OF WELDED HEAT AFFECTED ZONE
10/31/2013WO2013161026A1 Pearlite rail, flash butt welding method for pearlite rail, and method for manufacturing pearlite rail
10/31/2013WO2013160955A1 Grain-oriented electrical steel sheet and method for manufacturing same
10/31/2013WO2013160938A1 High strength cold-rolled steel plate of excellent ductility and manufacturing method therefor
10/31/2013WO2013160928A1 High-strength steel sheet and method for manufacturing same
10/31/2013WO2013159669A1 Stainless steel material and manufacturing method therefor
10/31/2013US20130288838 Steel for belt-type cvt pulley and belt-type cvt pulley
10/31/2013US20130288074 Alloying element-saving hot rolled duplex stainless steel material, clad steel plate having duplex stainless steel as cladding material therefor, and production method for same
10/31/2013US20130287620 Steel for steam turbine blade with excellent strength and toughness
10/31/2013US20130284324 Steel Sheet for an Oil Sand Slurry Pipe Having Excellent Abrasion Resistance, Corrosion Resistance, and Low-Temperature Toughness and Method for Manufacturing Same
10/31/2013US20130284321 Multi-Phase Steel, Cold-Rolled Flat Product Produced from Such a Multi-Phase Steel and Method for Producing It
10/31/2013US20130284319 High Strength, High Toughness Steel Alloy
10/30/2013EP2657361A2 Steel sheet for an oil sand slurry pipe having excellent abrasion resistance, corrosion resistance and low-temperature toughness and method for manufacturing same
10/30/2013EP2657357A2 Low iron loss high strength non-oriented electromagnetic steel sheet and method for manufacturing same
10/30/2013EP2657356A2 Grain-oriented electric steel sheet having superior magnetic property and method for manufacturing same
10/30/2013EP2657355A1 Process for production of non-oriented electromagnetic steel sheet
10/30/2013CN103380224A Highly corrosion-resistant austenite stainless steel well-suited to brazing
10/30/2013CN103380217A Hot rolled flat steel product produced from a complex phase steel, and method for producing same
10/30/2013CN103377784A Method for preparing two-phase nanocrystalline rare-earth permanent magnet
10/30/2013CN103374691A Spray powder with a superferritic iron base compound and a substrate, in particular brake disc with a thermal spray coating
10/30/2013CN103374689A Welding joint with excellent fatigue characteristics
10/30/2013CN103374688A 40Mn2B alloy structural steel material
10/30/2013CN103374687A Steel for steam turbine blade with excellent strength and toughness
10/30/2013CN103374686A Steel for high-performance large-sized supporting rolls
10/30/2013CN103374685A Stainless steel material and manufacturing method thereof
10/30/2013CN103374684A Aluminum oxide containing dispersion strengthening ferrite steel and preparation method thereof
10/30/2013CN103374683A Brittle failure-preventing thermal treatment process of alloy structural steel oil-field drilling tool under bad hydrogen sulfide environment
10/30/2013CN103374682A Steel for belt-type cvt pulley and belt-type cvt pulley
10/30/2013CN103374681A Thick steel plate excellent in ultra low temperature toughness
10/30/2013CN103374680A Electroforming nickel-ferrum alloy screen with high ferrum content for printing and preparation method
10/30/2013CN103372756A Manufacturing method for low carbon austenite non-magnetic steel motor support drum forging piece
10/30/2013CN102828110B Low-cobalt nickel nanocrystalline iron-base magnetically soft alloy material and preparation method thereof
10/30/2013CN102676780B Hardening and tempering technology of alloy-steel tube
10/30/2013CN102534402B Preparation method for wear-resistant alloy steel
10/30/2013CN102534149B Heat treatment process for rolling mill guide alloy
10/30/2013CN102435624B Method for representing recovery characteristics of Fe-Mn-Si-based memory alloy by in-situ X-ray diffraction
10/30/2013CN102373374B High strength sulfur resisting casing pipe and its heat treatment manufacturing method
10/30/2013CN102373371B Method for raising large heat input weldability of thick steel plate
10/30/2013CN102330031B Manufacturing method of high-tenacity -130 DEG C low-temperature steel
10/30/2013CN102264937B Corrosion-resistant steel material for crude oil tanker
10/30/2013CN102209798B Steel for machine structure use attaining excellent cutting-tool life and method for cutting same
10/30/2013CN102203313B Alloyed hot-dip galvanized steel sheet and method for producing same
10/30/2013CN102165083B Process for production of sintered compact by powder metallurgy
10/30/2013CN101880829B Magnesium alloy hot die steel
10/29/2013US8568909 Electrodeposition of FeCoNiV films with high resistivity and high saturation magnetization
10/29/2013US8568117 Powder metal scrolls
10/29/2013CA2755389C High-strength hot-dip galvanized steel sheet and method for producing same
10/27/2013CA2814293A1 Steel for steam turbine blade with excellent strength and toughness
10/24/2013WO2013157600A1 Steel foil and method for producing same
10/24/2013WO2013157598A1 Steel foil and method for producing same
10/24/2013WO2013157579A1 Nitrided steel member and process for producing same
10/24/2013WO2013157522A1 Al-plated steel sheet, method for hot-pressing al-plated steel sheet, and automotive part
10/24/2013WO2013157222A1 High-strength hot-dip galvanized steel sheet and process for producing same
10/24/2013WO2013157146A1 Method for producing alloyed hot-dip galvanized steel sheet having excellent adhesion to plating and excellent sliding properties
10/24/2013WO2013156091A1 Steel Alloy
10/24/2013US20130278366 Alloy composition, fe-based nano-crystalline alloy and forming method of the same and magnetic component
10/24/2013US20130276940 High strength hot rolled steel sheet having excellent fatigue resistance and method for manufacturing the same
10/24/2013DE112012000484T5 Stalzahnrad und Herstellungsverfahren dafür Stalzahnrad and production method thereof
10/23/2013EP2653582A1 Hot-dip zinc-plated steel sheet and process for production thereof
10/23/2013EP2653581A2 Austenitic, lightweight, high-strength steel sheet of which the yield ratio and flexibility are outstanding and a production method therefor
10/23/2013EP2653569A1 High-carbon chromium bearing steel, and process for production thereof
10/23/2013EP2652164A1 Steel and component intended for high temperature joining processes
10/23/2013CN103370436A Duplex stainless steel, and process for production thereof
10/23/2013CN103370435A 双相不锈钢 Duplex stainless steel
10/23/2013CN103370434A Austenitic, lightweight, high-strength steel sheet of which the yield ratio and flexibility are outstanding and a production method therefor
10/23/2013CN103370166A Welded duplex stainless joint
10/23/2013CN103370152A Method for correcting pipe end of seamless pipe formed from high-Cr stainless steel
10/23/2013CN103361642A Plasma cladding gradient wearing layer and its preparation technology
10/23/2013CN103361580A Composite products and related methods
10/23/2013CN103361578A Alloy chromium-powder-containing metallurgical steel and preparation method thereof
10/23/2013CN103361577A High-yield-ratio high-strength steel sheet having excellent workability
10/23/2013CN103361576A Sintered alloy for valve seat and manufacturing method of exhaust valve seat using the same
10/23/2013CN103361575A Continuously cast bloom for low-carbon steel wire and preparation method thereof
10/23/2013CN103361574A Primary material for plastic molds or plastic mold
1 ... 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 ... 432