| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 04/04/2012 | CN102400047A 一种含稀土石油裂化用无缝钢管的制备方法 A rare petroleum cracking seamless steel preparation containing |
| 04/04/2012 | CN102400046A 一种高强度烘烤硬化钢及其制备方法 A high strength bake-hardening steel and its preparation method |
| 04/04/2012 | CN102400045A 大规格高强度d40船用热轧球扁钢及生产工艺 Large-size high-strength hot-rolled bulb flats d40 marine and production process |
| 04/04/2012 | CN102400044A 一种铌钛复合微合金化热轧带肋钢筋及其生产方法 One kind of niobium-titanium composite micro-alloyed hot-rolled ribbed steel bars and production method |
| 04/04/2012 | CN102400043A Large-thickness steel plate for oceaneering and production method thereof |
| 04/04/2012 | CN102400042A 高强度热轧钢板及其制造方法 High-strength hot-rolled steel sheet and manufacturing method thereof |
| 04/04/2012 | CN102400041A Extra-thick, low-alloy and high-strength Q390D-Z35 steel plate and production method thereof |
| 04/04/2012 | CN102400040A 一种低温用低碳贝氏体钢热轧卷板及其生产方法 A cryogenic low carbon bainitic steel hot-rolled coil and its production method |
| 04/04/2012 | CN102400039A 具有良好低温韧性的浆体输送管线用钢及其制造方法 Slurry having good low temperature toughness of steel pipelines and manufacturing method |
| 04/04/2012 | CN102400038A 一种热轧双相钢及其生产方法 A hot rolled dual-phase steel and its production method |
| 04/04/2012 | CN102400037A 一种超高强度包装用钢带及其制备方法 An ultra-high strength steel for packaging and preparation method |
| 04/04/2012 | CN102400036A 一种高延伸率和高扩孔率的孪晶诱发塑性钢及其制造方法 A twinning reaming high elongation and a high rate of induced plasticity steel and its manufacturing method |
| 04/04/2012 | CN102400035A 屈服强度大于550MPa超细晶普碳钢板及其制造方法 Yield strength greater than 550MPa ultrafine grain carbon steel plate and its manufacturing method |
| 04/04/2012 | CN102400034A FeGa magnetostriction alloy wire and preparation method thereof |
| 04/04/2012 | CN102399965A 一种盾构刀具用钢5Cr5MoSiV1的淬火方法 A hardened tool steel 5Cr5MoSiV1 method Shield |
| 04/04/2012 | CN102399533A 耐磨耐腐蚀纳米研磨材料及其制备方法 Wear resistant nano-grinding material and preparation method |
| 04/04/2012 | CN102397994A Mold |
| 04/04/2012 | CN102397941A Manufacturing method for X90 pipeline steel longitudinal submerged arc welding pipe |
| 04/04/2012 | CN102071367B 深海采油树设备连接器用钢锻件制造工艺 Deep Sea Christmas Tree Equipment connector manufacturing process of steel forgings |
| 04/04/2012 | CN101743334B 耐磨损性、耐疲劳损伤性及耐延迟断裂性优良的内部高硬度型珠光体钢轨及其制造方法 Wear resistance, fatigue resistance and excellent resistance to delayed fracture internal high hardness type pearlitic rail and its manufacturing method |
| 04/04/2012 | CN101684539B 一种厚规格高韧性x70针状铁素体管线钢及制造方法 Specifications of thick high toughness x70 acicular ferrite pipeline steel and manufacturing methods |
| 04/04/2012 | CN101626848B Seamless steel pipe, hollow spring utilizing seamless steel pipe, and process for manufacturing the same |
| 04/04/2012 | CN101549353B 一种连铸连轧生产低合金大规格方钢的方法 A rolling production of large-sized square steel low alloy casting method |
| 04/04/2012 | CN101542000B 喷嘴叶片式涡轮增压器的排气导向器部件 Nozzle vane turbocharger exhaust guide member |
| 04/04/2012 | CN101537427B 一种离心铸造高铬铸铁复合轧辊及其制备方法 A centrifugal casting high chromium cast iron composite roll and its preparation method |
| 04/03/2012 | US8147748 Creep-resistant steel |
| 04/03/2012 | US8147626 Method for manufacturing high strength steel plate |
| 04/03/2012 | US8147623 Steel pipe as fuel injection pipe |
| 04/03/2012 | CA2632407C High strength spring steel superior in brittle fracture resistance and method for manufacturing the same |
| 03/29/2012 | US20120076685 High-strength pearlitic steel rail having excellent delayed fracture properties |
| 03/29/2012 | US20120076684 magnetic material |
| 03/29/2012 | DE10297567B4 Ventilführung für Brennkraftmaschinen, hergestellt aus einer Sinterlegierung auf Eisenbasis Valve guide for internal combustion engines, made from a sintered iron-based alloy |
| 03/29/2012 | DE102010041366A1 Hochfeste, bei Raumtemperatur plastisch verformbare und mechanische Energie absorbierende Formkörper aus Eisenlegierungen High-strength, absorbing at room temperature ductile and mechanical energy moldings made of iron alloys |
| 03/28/2012 | EP2434502A1 Composite magnetic body and method for producing the same |
| 03/28/2012 | EP2434030A1 Stainless steel for oil well, stainless steel pipe for oil well, and process for production of stainless steel for oil well |
| 03/28/2012 | EP2434029A1 Ultra-thin steel sheet and process for production thereof |
| 03/28/2012 | EP2434028A1 Hollow seamless pipe for high-strength springs |
| 03/28/2012 | EP2434027A1 Steel material for high heat input welding |
| 03/28/2012 | EP2432908A1 High strength low alloyed sintered steel |
| 03/28/2012 | EP2432907A1 Metal foil |
| 03/28/2012 | EP2432906A1 Bearing component |
| 03/28/2012 | EP2432905A1 Ferritic martensitic iron-based alloy, a component and a process |
| 03/28/2012 | CN1827795B Ferrous seal sliding parts and producing method thereof |
| 03/28/2012 | CN102395696A Heat resistant steel for use in engine valve having excellent high-temperature strength |
| 03/28/2012 | CN102395695A Cold-rolled steel sheet having excellent slow-aging property and high curability in baking, and method for producing same |
| 03/28/2012 | CN102392691A High-precision antioxidant wear-resistant stabilized turbine blade |
| 03/28/2012 | CN102392199A Material-saving heat-resisting antifriction self-lubricating material |
| 03/28/2012 | CN102392198A Preparation method of non-oriented thin silicon steel strip for motor |
| 03/28/2012 | CN102392197A Niobium-silicon ferroalloy glass mould |
| 03/28/2012 | CN102392196A High-strength high-tenacity rare earth-containing steel material for Z-type steels |
| 03/28/2012 | CN102392195A High-strength high-toughness nuclear power pressure vessel forging steel and its manufacturing method |
| 03/28/2012 | CN102392194A Ferritic stainless steel for exhaust gas passage member |
| 03/28/2012 | CN102392193A Extra thick quenched and tempered steel plate for ocean platform tooth bar and production method thereof |
| 03/28/2012 | CN102392192A Steel plate with thickness of 80mm and low compression ratio for ocean engineering and manufacturing method thereof |
| 03/28/2012 | CN102392191A Multi-component brazed steel and preparation method thereof |
| 03/28/2012 | CN102392190A Grid section used for sintering acid mine |
| 03/28/2012 | CN102392189A High-Cr ferrite stainless steel and manufacturing method thereof |
| 03/28/2012 | CN102392188A Preparation method for steel buckle of automatic weaving machine |
| 03/28/2012 | CN102392187A Cr-containing pipeline steel X70 hot-rolled plate and production method |
| 03/28/2012 | CN102392186A Manufacturing method of HB500 grade low-manganese wear-resistant steel plate |
| 03/28/2012 | CN102392185A Normalized acid resistant hot-rolled steel plate and preparation method thereof |
| 03/28/2012 | CN102392184A High temperature resistant oxyferrite heat resistant steel bar and preparation process thereof |
| 03/28/2012 | CN102392183A Method for producing niobium-containing micro alloy steel |
| 03/28/2012 | CN102392182A Production method of non-oriented silicon steel for motor |
| 03/28/2012 | CN102392181A Alloy steel, seamless steel pipe and heat treatment technology of shaped steel pipe |
| 03/28/2012 | CN102392180A Ferroaluminium and preparation method thereof |
| 03/28/2012 | CN102392179A Steel plate with ultrahigh strength and ultrahigh toughness, and preparation method thereof |
| 03/28/2012 | CN102392133A Production method of ferrotitanium |
| 03/28/2012 | CN101988170B Method for microalloying vanadium and nitrogen in molten iron |
| 03/28/2012 | CN101927432B Manufacturing method of high-manganese strip steel with high strength and plasticity |
| 03/28/2012 | CN101899622B Alloy steel for high-pressure container and preparation method thereof |
| 03/28/2012 | CN101812634B Low-carbon low-welding crack-sensitive high-strength steel and steel plate and manufacture method thereof |
| 03/28/2012 | CN101787486B Baking-aging resistant colored steel plate/strip and manufacturing method thereof |
| 03/28/2012 | CN101775539B High-flexibility wear-resistant steel plate and manufacturing method thereof |
| 03/28/2012 | CN101775535B 160MPa earthquake-proof low yield strength steel, steel plate and manufacturing method thereof |
| 03/28/2012 | CN101755057B Low density steel with good stamping capability |
| 03/28/2012 | CN101748339B High-strength ferritic stainless steel band and manufacturing method thereof |
| 03/28/2012 | CN101724779B High-tenacity steel and steel plate adaptive to high heat input welding and production method thereof |
| 03/28/2012 | CN101684540B Martensitic stainless steel with high Mn content |
| 03/28/2012 | CN101649413B Ultra-strength and high toughness maraging steel and manufacturing method thereof |
| 03/28/2012 | CN101586209B Hot rolling wire rod of 1800 MPa level for low-alloy structure and manufacture method thereof |
| 03/27/2012 | US8142577 High strength wire rod excellent in drawability and method of producing same |
| 03/27/2012 | US8142576 Clutch member and process for manufacturing the same |
| 03/27/2012 | US8142574 Steel product for welding |
| 03/27/2012 | CA2491307C Hot-rolled steel sheet for high-strength electric-resistance welded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the same |
| 03/27/2012 | CA2399552C Iron base high temperature alloy |
| 03/22/2012 | WO2012037339A2 Compositions and methods for determining alloys for thermal spray, weld overlay, thermal spray post processing applications, and castings |
| 03/22/2012 | WO2012036483A2 High-carbon hot-rolled steel sheet, cold-rolled steel sheet and a production method therefor |
| 03/22/2012 | WO2012036313A1 Heat-resistant ferrite-type stainless steel plate having excellent oxidation resistance |
| 03/22/2012 | WO2012036312A1 High-strength hot-rolled steel sheet having superior fatigue resistance properties and method for producing same |
| 03/22/2012 | WO2012036309A1 High-strength hot-rolled steel sheet having excellent bending workability and method for producing same |
| 03/22/2012 | WO2012036308A1 High-strength hot-rolled steel sheet having superior punchability and method for producing same |
| 03/22/2012 | WO2012036307A1 High-strength hot rolled steel sheet having excellent toughness and method for producing same |
| 03/22/2012 | WO2012036294A1 Method for producing rare-earth magnet |
| 03/22/2012 | WO2012036269A1 High-strength steel sheet with excellent ductility and stretch flangeability, high-strength galvanized steel sheet, and method for producing both |
| 03/22/2012 | WO2012036148A1 Thick welded steel pipe having excellent low-temperature toughness, method for producing thick welded steel pipe having excellent low-temperature toughness, and steel sheet for producing thick welded steel pipe |
| 03/22/2012 | WO2012035884A1 Bearing steel |
| 03/22/2012 | WO2012034647A1 Steel piston for internal combustion engines |
| 03/22/2012 | US20120070330 High-strength steel sheet and the method for production therefor |
| 03/22/2012 | US20120070329 Ferritic martensitic iron based alloy, a component and a process |