| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 11/03/2011 | US20110268601 Steel for welded structure and producing method thereof |
| 11/03/2011 | US20110268600 High-strength steel material with excellent hydrogen embrittlement resistance |
| 11/03/2011 | US20110265920 High-purity ferritic stainless steels excellent in corrosion resistance and method of production of same |
| 11/03/2011 | US20110265602 Lubricant for powder metallurgical compositions |
| 11/03/2011 | US20110265535 High-Hardness Shot Material for Shot Peening and Shot Peening Method |
| 11/03/2011 | DE102010018602A1 Use of high manganese-containing lightweight steel produced from the main constituents of iron and manganese, and noble elements, for structural components e.g. backrest-head sheet, of a seat structure of vehicle seats |
| 11/03/2011 | CA2795326A1 High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well |
| 11/02/2011 | EP2383360A1 Steel with excellent anti-ductile crack generation characteristics in weld heat-affected zone and base material and manufacturing method therefor |
| 11/02/2011 | EP2383359A1 Hardfacing steel for machine structure, and steel component for machine structure |
| 11/02/2011 | EP2383353A2 High tensile steel containing Mn, steel surface product made from such steel and method for producing same |
| 11/02/2011 | EP1044287B1 Method for manufacturing nitrided parts |
| 11/02/2011 | CN1454851B Synthesizing of magnetite nano particles and method for forming iron-base nano material |
| 11/02/2011 | CN102232123A Hot-pressed steel plate member and manufacturing method therefor |
| 11/02/2011 | CN102230144A Steels and application thereof |
| 11/02/2011 | CN102230143A High-toughness pipeline steel produced on basis of steekle mill and production process thereof |
| 11/02/2011 | CN102230142A High manganese steel with ultra-high strength, high impact resistance and high abrasion resistance |
| 11/02/2011 | CN102230141A Heat resistant steel for grate plate of chain grate machine |
| 11/02/2011 | CN102230140A Novel martensitic wear resistant steel and production technology for steel casting thereof |
| 11/02/2011 | CN102230139A Production process of high-strength mining chain wire rod |
| 11/02/2011 | CN102230138A Method for manufacturing SPA-H high-strength atmospheric corrosion resistance steel by using continuous annealing machine set |
| 11/02/2011 | CN102230137A Austenitic heat-resistant stainless steel and processing method thereof |
| 11/02/2011 | CN102230136A Austenitic stainless steel and manufacturing method thereof |
| 11/02/2011 | CN102230135A Martensite wear resistant steel and manufacturing method thereof |
| 11/02/2011 | CN102230134A Quaternary marine mooring chain steel with large specification and high performance and machining process thereof |
| 11/02/2011 | CN102230133A Cr-containing Alloy steel and manufacturing method thereof |
| 11/02/2011 | CN102230132A Fe-Cr-Mo-Al-Cu corrosion-resistant high temperature alloy |
| 11/02/2011 | CN102230131A 38CrMoAl steel and preparation method thereof |
| 11/02/2011 | CN102230130A Wear-resistant plastic die steel and preparation method thereof |
| 11/02/2011 | CN102230129A High-strength steel plate containing rare earth (RE) and heat treatment process thereof |
| 11/02/2011 | CN102230128A Low-cost X70 pipeline steel plate and preparation method thereof |
| 11/02/2011 | CN102230127A Production method of hot-rolled steel plate made of niobium (Nb)-containing steel |
| 11/02/2011 | CN102230126A Method for manufacturing micro motor magnet |
| 11/02/2011 | CN102230121A Refining method of T91 heat-resistant steel tube blank |
| 11/02/2011 | CN102230120A High-performance elastic alloy material for aerial hyperbaric cabin and production method thereof |
| 11/02/2011 | CN102230069A Heat treatment process for toughening wheel steel |
| 11/02/2011 | CN102230065A Heat treatment process for improving low-temperature impact toughness of pipeline steel |
| 11/02/2011 | CN102230058A Heat treatment process of low alloy high-strength steel with yield strength of 690 MPa |
| 11/02/2011 | CN102230057A Method for producing steel plate of petroleum storage tank by using direct quenching process |
| 11/02/2011 | CN101876000B Method for producing high-toughness ultra-thick plate by using continuous casting blank |
| 11/02/2011 | CN101831597B Petroleum casing pipe and manufacturing method thereof |
| 11/02/2011 | CN101722406B Method for manufacturing pin shaft through forging |
| 11/02/2011 | CN101693978B Steel used for large-size hot-rolled ribbed rebar of 500MPa and smelting method thereof |
| 11/02/2011 | CN101608283B Thick steel plate with excellent brittlement crevasse crack propagation halt characteristic and manufacturing method thereof |
| 11/01/2011 | US8049131 Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same |
| 11/01/2011 | US8048367 High strength thick-gauge steel plate superior in weldability and having tensile strength of 780 MPA or more and method of production of same |
| 11/01/2011 | US8048239 Ferritic stainless steel sheet superior in shapeability and method of production of the same |
| 11/01/2011 | US8048237 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same |
| 11/01/2011 | CA2530834C High-strength steel sheet having excellent deep drawability and process for producing the same |
| 10/27/2011 | WO2011132765A1 Cr-CONTAINING STEEL PIPE FOR LINE PIPE AND HAVING EXCELLENT INTERGRANULAR STRESS CORROSION CRACKING RESISTANCE AT WELDING-HEAT-AFFECTED PORTION |
| 10/27/2011 | WO2011132763A1 High strength hot-dip galvanized steel sheet with superior workability and production method therefor |
| 10/27/2011 | WO2011132722A1 Steel component having excellent temper softening resistance |
| 10/27/2011 | WO2011132705A1 Treatment agent and treatment method for contaminated water containing heavy metals |
| 10/27/2011 | WO2011132501A1 Hot press molding method enabling hardness adjustment |
| 10/27/2011 | WO2011132107A2 Improvements in tubular solar collectors |
| 10/27/2011 | WO2011074787A3 Steel plate for surface defect-free enameling, and manufacturing method thereof |
| 10/27/2011 | US20110262298 Steel for welded structures excellent in high temperature strength and low temperature toughness and method of production of same |
| 10/27/2011 | US20110259483 Fine Spheroidized Steel Sheet with Excellent Heat Treatment Characteristic and Method for Manufacturing the Same |
| 10/27/2011 | US20110259482 Use of a Steel Alloy for Well Pipes for Perforation of Borehole Casings, and Well Pipe |
| 10/27/2011 | US20110259481 High Strength Steel Plate for Nuclear Reactor Containment Vessel and Method of Manufacturing the Same |
| 10/27/2011 | US20110259478 High-strength, low-alloy steel for seamless pipes with outstanding weldability and corrosion resistance |
| 10/26/2011 | EP2381120A1 Outer member of constant speed universal joint |
| 10/26/2011 | EP2381004A1 Hot-dip galvanized steel sheet and manufacturing method thereof |
| 10/26/2011 | EP2381003A1 Steel for high-frequency hardening |
| 10/26/2011 | EP2380999A1 Method for manufacturing steel plate for can-making |
| 10/26/2011 | EP2380998A1 Method for producing high alloy steel pipe |
| 10/26/2011 | EP2380997A1 Steel for weld construction having excellent high-temperature strength and low-temperature toughness and process for producing the steel |
| 10/26/2011 | EP2380696A1 Stainless steel flux-cored welding wire for the welding of galvanized steel sheets and process for arc welding of galvanized steel sheets with the same |
| 10/26/2011 | EP2379764A1 A method of producing a diffusion alloyed iron or iron-based powder, a diffusion alloyed powder, a composition including the diffusion alloyed powder, and a compacted and sintered part produced from the composition |
| 10/26/2011 | EP2058560B1 Pulley for continuously variable transmission |
| 10/26/2011 | CN102227515A Electromagnetic steel sheet and method for producing same |
| 10/26/2011 | CN102227513A Hot-dip galvanized steel sheet and manufacturing method thereof |
| 10/26/2011 | CN102227512A Steel wire for low-temperature annealing and method for producing same |
| 10/26/2011 | CN102227511A High-strength cold-rolled steel sheet having excellent workability, molten galvanized high-strength steel sheet, and method for producing same |
| 10/26/2011 | CN102226255A Steel plate with high strength and toughness and 690MPa of yield strength and preparation process thereof |
| 10/26/2011 | CN102226254A High-strength high-toughness anticorrosion high-temperature bearing/pinion steel and preparation method thereof |
| 10/26/2011 | CN102226253A Carburized bearing steel for high-speed railways and preparation method thereof |
| 10/26/2011 | CN102226252A High-toughness carburized bearing steel with ultra-long contact fatigue life and preparation method thereof |
| 10/26/2011 | CN102226251A Highly strong, non-oriented electrical steel sheet and method for manufacture thereof |
| 10/26/2011 | CN102226250A Hot rolled steel plate with yield strength being 700MPa and preparation method thereof |
| 10/26/2011 | CN102226249A High-strength hot rolled steel plate with excellent cold forming property and preparation method thereof |
| 10/26/2011 | CN102226248A Carbon silicon manganese hot rolled quenching and partitioning (Q&P) steel and preparation method thereof |
| 10/26/2011 | CN102226246A Smelting method of stainless steel mother liquor |
| 10/26/2011 | CN101935806B Low-carbon bainitic cold-work-strengthened non-quenched and tempered steel with excellent delayed fracture resistance |
| 10/26/2011 | CN101765673B Hot-rolled shape steel for crude oil tanks and process for manufacturing the same |
| 10/26/2011 | CN101755059B Process for production of duplex stainless steel tubes |
| 10/26/2011 | CN101709432B Steel for large-thickness hardening and tampering ocean platform and production method thereof |
| 10/26/2011 | CN101702311B Steel wire and manufacturing method therefor |
| 10/25/2011 | US8043446 High strength and corrosion resistant alloys comprising carbon, silicon, chromium, nickel, nitrogen, molybdenum, tungsten and iron, formed by heating and cooling |
| 10/25/2011 | US8043444 Steel wire for cold-formed spring excellent in corrosion resistance and method for producing the same |
| 10/25/2011 | US8043407 Welding solid wire |
| 10/25/2011 | CA2602728C High-strength steel plate, method of producing the same, and high-strength steel pipe |
| 10/25/2011 | CA2587858C Method of producing austentic iron/carbon/manganese steel sheets having very high strength and elongation characteristics and excellent homogeneity |
| 10/20/2011 | WO2011129465A1 Process for producing hot-rolled steel sheet and process for producing hot-dip galvanized steel sheet |
| 10/20/2011 | WO2011129452A1 High-strength hot-dip galvanized steel sheet with excellent formability and impact resistance, and process for producing same |
| 10/20/2011 | WO2011129179A1 Spring and method for producing same |
| 10/20/2011 | WO2011129062A1 Iron alloy having excellent processability, and vibration damping member comprising same |
| 10/20/2011 | WO2011078530A3 Martensitic stainless steel and a production method therefor |
| 10/20/2011 | US20110255988 Precipitation hardenable martensitic stainless steel and steam turbine blade using the same |
| 10/20/2011 | US20110253271 High-strength steel plate and producing method therefor |
| 10/20/2011 | US20110253270 Gun barrel of firearms |