| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/27/2011 | CN102031345A Process for manufacturing rounding steel shots for clearing and de-rusting by using special steel wires for tyres |
| 04/27/2011 | CN102031335A Complex deoxidizer for smelting high heat input welded high-strength steel and using method thereof |
| 04/27/2011 | CN102029386A High-hardness powder metallurgy low-alloy steel |
| 04/27/2011 | CN102029347A Manufacturing method of gear shaft forge piece for offshore drilling platform |
| 04/27/2011 | CN102029305A Production method of ultra-thick steel plate |
| 04/27/2011 | CN101784687B Austenitic stainless steel |
| 04/27/2011 | CN101654731B Hot rolling method of cold-rolling low-carbon non-oriented electrical steel |
| 04/27/2011 | CN101654729B Hot rolling method of cold-rolling low-carbon non-oriented electrical steel |
| 04/27/2011 | CN101649423B Niobium micro-alloying gap-free hot rolled strip and manufacture method thereof |
| 04/27/2011 | CN101646795B Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same |
| 04/27/2011 | CN101603144B Manufacturing method of 700 MPa level high-strength cold rolling carbon-aluminum-manganese steel plate |
| 04/27/2011 | CN101586220B High-tension steel plate with excellent toughness and endurance crack resistance for welding heat influence part |
| 04/27/2011 | CN101565795B Steel plate excellent in toughness of large heat-input weld heat affected zone |
| 04/27/2011 | CN101497971B High-strength hardened and tempered steel and production method thereof |
| 04/27/2011 | CN101381841B High intensity and high ductility -50 DEG C low-temperature steel and manufacturing method thereof |
| 04/27/2011 | CN101374968B High-strength steel sheet having excellent workability |
| 04/27/2011 | CN101287850B Steel for high intensity spring and heat-treating steel line for high intensity spring |
| 04/26/2011 | US7931757 High strength, toughness, noncracking, corrosion resistance; quenching, tempering |
| 04/21/2011 | WO2011046718A2 Iron-based sintered powder metal for wear resistant applications |
| 04/21/2011 | WO2011046055A1 Ferrous shape memory alloy and production method therefor |
| 04/21/2011 | WO2011045755A1 Ferrochrome alloy production |
| 04/21/2011 | WO2011045391A1 Nitrogen containing, low nickel sintered stainless steel |
| 04/21/2011 | US20110091348 Steel for heat treatment |
| 04/21/2011 | US20110091347 Steel product for welding |
| 04/20/2011 | EP2312010A1 Steel sheet and method for manufacturing the same |
| 04/20/2011 | EP2312009A1 Steel sheet and method for manufacturing the same |
| 04/20/2011 | EP2312008A1 High-strength steels having high impact energy absorption properties and a method for producing the same |
| 04/20/2011 | EP2312007A1 High-strength cold-rolled steel sheet excellent in weldability and process for production of same |
| 04/20/2011 | EP2312006A1 Austenitic stainless steel and process for hydrogenation of same |
| 04/20/2011 | EP2312005A1 Aluminum-plated steel sheet for hot pressing with rapid heating, process for producing same, and method of hot-pressing same with rapid heating |
| 04/20/2011 | EP2312004A1 High-strength steel sheet and process for producing molten steel for high-strength steel sheet |
| 04/20/2011 | EP2311585A1 Continuously cast slab and process for production of same |
| 04/20/2011 | EP2310546A1 Hardened martensitic steel having a low cobalt content, process for manufacturing a part from this steel, and part thus obtained |
| 04/20/2011 | EP2310545A2 Super bainite steels and methods of manufacture thereof |
| 04/20/2011 | EP2310544A1 A method for manufacturing a steel component, a weld seam, a welded steel component, and a bearing component |
| 04/20/2011 | EP1669468B1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 04/20/2011 | EP1561834B1 Duplex stainless steel and method for production thereof |
| 04/20/2011 | EP1469093B1 Method for producing a heat-resistant steel spring |
| 04/20/2011 | CN1847438B Steel wire for cold-formed spring excellent in corrosion resistance and method for producing the same |
| 04/20/2011 | CN102027147A Stainless steel product, use of the product and method of its manufacture |
| 04/20/2011 | CN102027146A Ferritic stainless steel |
| 04/20/2011 | CN102026743A Stainless steel foil for a flexible display |
| 04/20/2011 | CN102022466A Fiber-type dual metal powder metallurgy brake block |
| 04/20/2011 | CN102022086A Economical seamless oil well pipe for expansion pipe and manufacturing method thereof |
| 04/20/2011 | CN102021500A Novel super austenite 6Mo type stainless steel |
| 04/20/2011 | CN102021499A High-strength pipe steel and method for manufacturing same |
| 04/20/2011 | CN102021498A Low-alloy sulfuric acid-resistant dew point corrosion steel plate and production method thereof |
| 04/20/2011 | CN102021497A Hot-rolled sheet coils of X80 pipe line steel and manufacturing method thereof |
| 04/20/2011 | CN102021496A Duplex stainless steel and production process thereof |
| 04/20/2011 | CN102021495A 420 MPa weatherproof bridge steel with high ductility and method for manufacturing hot rolled coil of 420 MPa weatherproof bridge steel with high ductility |
| 04/20/2011 | CN102021494A Weather resistant thick steel plate and manufacturing method thereof |
| 04/20/2011 | CN102021493A Hot rolled steel plate for precision stamping and manufacturing method thereof |
| 04/20/2011 | CN102021492A Low-carbon low-alloy abrasion-resistant steel and production method thereof |
| 04/20/2011 | CN102021491A Steel belt for high-elasticity ultrathin sole slice and production process thereof |
| 04/20/2011 | CN102021490A X12CrMoWVNbN10-1-1 high-temperature structural steel and production method thereof |
| 04/20/2011 | CN102021489A Easily welded ageing high-strength steel and heat treatment process thereof |
| 04/20/2011 | CN102021488A Steel for nuclear-island seamless steel tube and production method thereof |
| 04/20/2011 | CN102021487A High temperature resistant and corrosive concentrated sulfuric acid resistant stainless steel |
| 04/20/2011 | CN102021486A High temperature resistant boat for reducing tungsten powder impurities |
| 04/20/2011 | CN102021485A Medium carbon alloy steel |
| 04/20/2011 | CN102021484A Material for aluminum electrolysis crust-breaking hammer |
| 04/20/2011 | CN102021483A Cold-rolled dual-phase steel plate with 1,200 MPa-level tensile strength and preparation method thereof |
| 04/20/2011 | CN102021482A Cold-rolled galvanized duplex steel and manufacturing method thereof |
| 04/20/2011 | CN102021481A Microalloyed bainite rail and thermal treatment method thereof |
| 04/20/2011 | CN102021480A Low-chromium ferritic stainless steel and manufacturing method thereof |
| 04/20/2011 | CN102021479A Si-containing medium carbon steel and thermal treatment method for Si-containing medium carbon steel to obtain high strength and elasticity |
| 04/20/2011 | CN102021478A High-toughness high-weather-resistance bridge steel and plate coil rolling method thereof |
| 04/20/2011 | CN102021477A Hull structural steel adapting to high heat input welding and smelting method thereof |
| 04/20/2011 | CN102021476A Low-cost acid resistant pipeline steel hot-rolled plate and manufacturing method thereof |
| 04/20/2011 | CN102021475A Hot-rolled H-shaped steel for low temperature-resisting structure and preparation method thereof |
| 04/20/2011 | CN102021474A Anti-seismic H-type steel and production method thereof |
| 04/20/2011 | CN102021473A Method for preparing Fe3Al-Al2O3 composite material |
| 04/20/2011 | CN102021472A Production method for continuous annealing process high strength and plasticity product automobile steel plate |
| 04/20/2011 | CN102021471A Preparation method for neodymium iron boron permanent magnet material |
| 04/20/2011 | CN102021295A Cold-rolling steel belt for flux-cored wire and manufacture method thereof |
| 04/20/2011 | CN102021293A Minimizing rolling method of Q345q |
| 04/20/2011 | CN102021282A Annealing separant for preparing grain-oriented silicon steel and using method thereof |
| 04/20/2011 | CN102021278A Extreme low carbon steel manufacturing method and extreme low carbon steel manufactured by same |
| 04/20/2011 | CN102019727A Aluminium-clad steel strip for coolers and preparation method thereof as well as steel strip and aluminium alloy strip used thereby |
| 04/20/2011 | CN102019294A Large-sized high-ductility wear-resisting alloy roller and manufacturing method thereof |
| 04/20/2011 | CN101698900B Production technology method of low content alloy ultrahigh hardness wear-resistant steel plate |
| 04/20/2011 | CN101633995B Ship hull steel with yield strength of more than or equal to 360MPa and good surface quality, and production method thereof |
| 04/20/2011 | CN101629264B Alloy casting piece for producing a variety of brands of sintered Nd-Fe-B magnets |
| 04/20/2011 | CN101586188B Two-stage roasting mineral smelting integrated technique of laterite |
| 04/20/2011 | CN101578383B Eco-friendly pb-free free cutting steel with excellent machinability and hot workability |
| 04/20/2011 | CN101528965B Steel wire for spring excellent in fatigue property and drawing property |
| 04/20/2011 | CN101525722B Excellent-toughness X70 hot-rolled sheet steel and manufacturing method therefor |
| 04/20/2011 | CN101503779B Hot rolling low carbon mild steel and production method thereof |
| 04/20/2011 | CN101492785B High-silicon Hadfield steel with remarkable strain hardening ability |
| 04/20/2011 | CN101463451B Novel corrosion resistant antiwear metallic material |
| 04/20/2011 | CN101460644B High-strength steel sheet and its production method |
| 04/20/2011 | CN101435051B Tenacity excellent high intensity thick steel plate for high heat energy input welding heat influenced part |
| 04/20/2011 | CN101403075B Wide-thick steel plate with yield strength of 460Mpa for bridge and method of manufacturing the same |
| 04/20/2011 | CN101343683B Method for manufacturing low-iron loss high-magnetic strength non-oriented electrical steel |
| 04/20/2011 | CN101323928B Cold rolled steel sheet having aging resistance and superior formability, and process for producing the same |
| 04/20/2011 | CN101255534B Blast furnace hood steel |
| 04/20/2011 | CN101235462B Use of waste copper in smelting copper-containing steel |
| 04/20/2011 | CN101171354B Heat-resistant steel product and method for production thereof |
| 04/20/2011 | CN101052734B Process for producing Co-Cr-Mo alloy for creature with ion elution suppressed by regulation of texture |
| 04/19/2011 | US7927433 Cold-rolled steel sheet |