| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 06/06/2012 | CN101743335B Cold-work die steel and dies for cold pressing |
| 06/06/2012 | CN101651038B Diffusion processing apparatus |
| 06/06/2012 | CN101541998B Expandable oil well pipe to be expanded in well and process for production of the pipe |
| 06/06/2012 | CN101497964B High hardness and toughness low alloy abrasion resistant steel and use thereof |
| 06/06/2012 | CN101490293B Hot-rolled steel sheets excellent both in workability and in strength and toughness after heat treatment and process for production thereof |
| 06/06/2012 | CN101107376B Sintered material, iron-based sintered sliding material and process for producing the same, sliding member and process for producing the same, and connecting apparatus |
| 06/05/2012 | US8192683 High-strength steel sheets excellent in hole-expandability and ductility |
| 06/05/2012 | US8192682 High strength alloys |
| 06/05/2012 | US8192562 Spring steel wire excellent in fatigue characteristic and wire drawability |
| 06/05/2012 | CA2682233C Austenitic iron/nickel/chromium/copper alloy |
| 06/05/2012 | CA2679886C Zinc-plated high tension steel sheet excellent in press formability and method for production thereof |
| 06/05/2012 | CA2601052C High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof |
| 05/31/2012 | WO2012070659A1 Nickel-free stainless steel stent |
| 05/31/2012 | WO2012070524A1 Weld metal and method for submerged arc welding |
| 05/31/2012 | WO2012070482A1 Steel sheet for hot pressing and method for producing hot-pressed member using steel sheet for hot pressing |
| 05/31/2012 | WO2012070383A1 Race ring for rolling bearing, and rolling bearing |
| 05/31/2012 | WO2012070360A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
| 05/31/2012 | WO2012070359A1 Electron beam welded joint, steel material for use in electron beam welded joint, and manufacturing method thereof |
| 05/31/2012 | WO2012070358A1 Electron beam welded joint, steel material for electron beam welding, and manufacturing method thereof |
| 05/31/2012 | WO2012070355A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
| 05/31/2012 | WO2012070354A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
| 05/31/2012 | WO2012070353A1 Electron-beam welded joint, steel material for electron-beam welding, and manufacturing method therefor |
| 05/31/2012 | WO2012070349A1 Non-heat-treated steel for soft nitriding, and soft-nitrided component |
| 05/31/2012 | WO2012070271A1 Steel sheet of strain aging hardening type with excellent aging resistance after paint baking and process for producing same |
| 05/31/2012 | WO2012070249A1 Method for producing directional electromagnetic steel sheet |
| 05/31/2012 | WO2012069329A1 Method for heat-treating high-strength iron alloys |
| 05/31/2012 | WO2012069035A2 Energy-storing container made of lightweight steel |
| 05/31/2012 | WO2012033377A3 High-strength and high-ductility steel sheet, and method for producing same |
| 05/31/2012 | US20120134872 Abrasion resistant steel, method of manufacturing an abrasion resistant steel and articles made therefrom |
| 05/31/2012 | US20120132327 High strength steel sheet having excellent hydrogen embrittlement resistance |
| 05/31/2012 | US20120132326 Method for producing martensitic steel with mixed hardening |
| 05/31/2012 | US20120132325 FERRITIC Cr-STEEL FOR HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME, AND HEAT-RESISTANT PRECISION COMPONENT AND METHOD FOR PRODUCING SAME |
| 05/31/2012 | US20120132323 Thin cast strip product with microalloy additions, and method for making the same |
| 05/31/2012 | US20120132322 Abrasion resistant steel, method of manufacturing an abrasion resistant steel and articles made therefrom |
| 05/31/2012 | US20120131982 Grain oriented electrical steel sheet |
| 05/31/2012 | DE102011117135A1 Energie speicherndes Behältnis aus Leichtbaustahl Energy-storing container made of lightweight steel |
| 05/31/2012 | DE102010042413B4 Kolbenring mit eingelagerten Gasblasen Piston ring with embedded gas bubbles |
| 05/31/2012 | CA2817504A1 Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same |
| 05/30/2012 | EP2458038A1 Stainless steel for fuel cell having excellent corrosion resistance and method for producing same |
| 05/30/2012 | EP2458023A1 Method for heat-treating a ring-shaped member, method for producing a ring-shaped member, ring-shaped member, bearing ring, rolling bearing, and method for producing a bearing ring |
| 05/30/2012 | EP2456901A2 Heat-resistant austenitic steel having high resistance to stress relaxation cracking |
| 05/30/2012 | EP2456900A1 Bearing steels |
| 05/30/2012 | EP1873270B1 Low alloy steel |
| 05/30/2012 | EP1747566B1 Current transformer core and method for producing a current transformer core |
| 05/30/2012 | EP1498505B1 Wire for reinforcing marine optical fiber cable |
| 05/30/2012 | CN202246816U Device for producing steel plate for engineering machinery |
| 05/30/2012 | CN102483991A 稀土磁体成形体及其制造方法 A rare earth magnet and method of manufacturing the molded |
| 05/30/2012 | CN102483980A Sintered rare-earth magnet and motor |
| 05/30/2012 | CN102483979A Ndfeb sintered magnet, and process for production thereof |
| 05/30/2012 | CN102483127A Transverse element for a drive belt and drive belt |
| 05/30/2012 | CN102482756A 碳氮共渗构件的制造方法 Carbonitriding method for manufacturing components |
| 05/30/2012 | CN102482753A High-strength hot-dip galvanized steel sheet and process for producing same |
| 05/30/2012 | CN102482751A 船体用厚钢板及其制造方法 Hull with a thick steel plate and a manufacturing method |
| 05/30/2012 | CN102482750A 热压构件、热压构件用钢板、热压构件的制造方法 Pressing member pressing the steel sheet member, the manufacturing method of the pressing member |
| 05/30/2012 | CN102482749A 具有对应力松弛开裂高抵抗性的耐热奥氏体钢 Has a high resistance to stress relaxation cracking of austenitic steel heat |
| 05/30/2012 | CN102482748A 高加工性三片焊接罐用钢板及其制造方法 Three high workability steel sheet for welded cans and method for manufacturing |
| 05/30/2012 | CN102482747A 高强度弹簧用拉伸热处理钢线及高强度弹簧用拉伸前钢线 High-strength spring steel wire with heat treatment and high tensile strength spring steel wire with a tensile ago |
| 05/30/2012 | CN102482746A 双相不锈钢 Duplex stainless steel |
| 05/30/2012 | CN102482745A 耐氧化性优异的固体氧化物燃料电池用钢 The oxidation resistance of the solid oxide fuel cell excellent in steel |
| 05/30/2012 | CN102482744A 低温韧性优良的高强度管道用钢板以及高强度管道用钢管 Low temperature toughness with high-strength steel plate and high-strength pipe with steel pipe |
| 05/30/2012 | CN102482743A High-strength spring steel |
| 05/30/2012 | CN102482742A Non-oriented electromagnetic steel sheet |
| 05/30/2012 | CN102482741A 辐射传热加热用金属板及其制造方法、以及具有不同强度部分的金属加工件及其制造方法 Heated by radiation heat transfer metal plate and its manufacturing method, and the metal having different strength portions of the workpiece and the manufacturing method |
| 05/30/2012 | CN102482740A 高强度成形品及其制造方法 High strength of the molded article and manufacturing method thereof |
| 05/30/2012 | CN102482728A 化学转化处理性优良的高强度冷轧钢板的制造方法 The method of manufacturing a chemical conversion treatment of the high-strength cold-rolled steel sheet |
| 05/30/2012 | CN102481969A 船首构造 Bow structure |
| 05/30/2012 | CN102478248A 一种锅炉炉排 A boiler grate |
| 05/30/2012 | CN102477518A 一种汽轮机叶片用钢及其制造方法 Steam turbine blade steel and its manufacturing method |
| 05/30/2012 | CN102477517A 球磨机烘干仓篦板及其制造方法 Drying Chambers grate ball mill and its manufacturing method |
| 05/30/2012 | CN102477516A 新型铸造模具钢及其制造方法 The new casting mold steel and its manufacturing method |
| 05/30/2012 | CN102477515A Method for preparing high-strength lead-free free cutting steel |
| 05/30/2012 | CN102477514A 一种用于生产铁路配件的无镍高锰钢 Nickel-free method for the production of high-manganese steel railway accessories |
| 05/30/2012 | CN102477513A 一种无铅易切削钢的制备方法 A method for preparing lead-free cutting steel |
| 05/30/2012 | CN102477476A 一种真空感应炉难熔合金的加料方法 A vacuum induction furnace refractory alloy of gold feeding method |
| 05/30/2012 | CN102477475A 一种真空感应炉冶炼含锰钢控制锰含量的方法 A vacuum induction furnace method for controlling manganese content of manganese-containing |
| 05/30/2012 | CN102477474A 一种真空感应炉冶炼钢水的加硫方法 A vacuum induction furnace molten sulfur plus method |
| 05/30/2012 | CN102477473A 一种真空感应炉冶炼含硼钢控制硼含量的方法 A method of vacuum induction furnace control boron content of boron steel |
| 05/30/2012 | CN102181793B Process for manufacturing steel forge piece of vertical conveying pipe of deep sea oil extraction equipment |
| 05/30/2012 | CN102129907B Nanocrystalline soft magnetic alloy iron core with high initial permeability and low remanence and preparation method thereof |
| 05/30/2012 | CN102127703B Method for manufacturing cold-rolled non-oriented electrical steel for frequency-variable air conditioner |
| 05/30/2012 | CN102041449B Method for improving electromagnetic performance of oriented electric steel by low-temperature plate blank heating process |
| 05/30/2012 | CN102021478B High-toughness high-weather-resistance bridge steel and plate coil rolling method thereof |
| 05/30/2012 | CN102011050B Steel for 36kg-grade ocean platform and production method thereof |
| 05/30/2012 | CN101996721B Method for improving coercive force of sintered neodymium ferrum boron (NdFeB) |
| 05/30/2012 | CN101993995B Water quenching and cooling method and device for ultrahigh-strength strip steel |
| 05/30/2012 | CN101956138B Productions method of Cu-contained low-alloy steel |
| 05/30/2012 | CN101956127B Manufacturing method of Sn contained non-oriented electrical steel and plate coil |
| 05/30/2012 | CN101948987B Manufacturing method of high-strength and high-toughness steel plate |
| 05/30/2012 | CN101928880B High-strength and high-tenacity steel for power communication poles and processing method thereof |
| 05/30/2012 | CN101921963B JLG105 steel stage oil drillpipe and production process thereof |
| 05/30/2012 | CN101921952B Electric resistance welding petroleum casing pipe |
| 05/30/2012 | CN101899625B Ferrite stainless steel and manufacturing method thereof |
| 05/30/2012 | CN101892442B Steel for nuclear power pressure equipment with high toughness, high ductility and low irradiation embrittlement and making method thereof |
| 05/30/2012 | CN101886220B Hot continuous rolling steel plate for cold forming and production method thereof |
| 05/30/2012 | CN101880822B Hot rolled high-ductility carbon steel for passenger traffic steel rails |
| 05/30/2012 | CN101880818B Preparation method of X80 bent pipe and pipe fittings |
| 05/30/2012 | CN101871081B Steel for low-steel-grade continuous oil pipe and manufacturing method thereof |
| 05/30/2012 | CN101845599B Weathering steel and manufacturing method thereof |
| 05/30/2012 | CN101837458B Iron alloy-based composite hard alloy roller and production method thereof |
| 05/30/2012 | CN101824581B High-yield strength (450MPa), high-strength and weather-resistant steel plate and production method thereof |