| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 01/04/2012 | CN102304667A X100 pipeline steel plate with good low temperature toughness and preparation method thereof |
| 01/04/2012 | CN102304666A Preparation method of as-cast high manganese steel jaw plate |
| 01/04/2012 | CN102304665A Steel plate for automobile and production method thereof |
| 01/04/2012 | CN102304664A High strength and high plasticity aluminum-containing medium manganese transformation-induced plasticity (TRIP) cold-rolled steel plate and preparation method thereof |
| 01/04/2012 | CN102304663A Permanent magnetic alloy block and preparation method thereof |
| 01/04/2012 | CN102304662A Production method of low carbon deep drawing cold rolled steel sheet |
| 01/04/2012 | CN102304613A Steel pipe for supplemental restraint system and manufacture method thereof |
| 01/04/2012 | CN102304604A Smelting technology of III grade hot-rolled ribbed bars |
| 01/04/2012 | CN102303212A Process for manufacturing lining board of wet-spraying machine |
| 01/04/2012 | CN102303115A Manufacturing method of ferrum silicon material and mu26 ferrum silicon magnetic powder core |
| 01/04/2012 | CN101961668B Ball mill groove type lining plate capable of fixing material cushion layer and manufacturing method thereof |
| 01/04/2012 | CN101935808B 130ksi steel-grade low-temperature drill rod with high toughness and corrosion resistance and manufacturing method thereof |
| 01/04/2012 | CN101905244B Method for producing mandrel by utilizing 28NiCrMoV steel as raw material |
| 01/04/2012 | CN101856669B Control method of softness of oxide scales on surface of hot-rolling strip steel |
| 01/04/2012 | CN101798659B Low-carbon low-phosphorus nickel-chromium-iron alloy used for stainless acid resistant steel and preparation method thereof |
| 01/04/2012 | CN101724780B Thick steel plate |
| 01/04/2012 | CN101652197B Method for manufacturing cold-finished seamless steel pipe for integrally molded drive shaft |
| 01/04/2012 | CN101603154B New material of hot perforation top head of steel pipe |
| 01/04/2012 | CN101555572B High-chrome isometric crystal material |
| 01/04/2012 | CN101505910B Iron-based corrosion resistant wear resistant alloy and deposit welding material for obtaining the alloy |
| 01/04/2012 | CN101501234B Duplex stainless steel |
| 01/04/2012 | CN101415549B Soft magnetic metal strip laminate and process for production thereof |
| 01/04/2012 | CN101279522B Shock resistant compound material and preparation thereof |
| 01/04/2012 | CN101133176B Steel sheet having aluminum-based plating formed thereon and explosion-preventing band using the same |
| 01/03/2012 | CA2658499C Method for producing pearlitic rail excellent in wear resistance and ductility |
| 01/03/2012 | CA2620069C Seamless steel pipe for line pipe and a process for its manufacture |
| 01/03/2012 | CA2535303C Steels for high-strength springs excellent in cold workability and quality stability |
| 01/03/2012 | CA2513298C High-strength hot-dip galvanized steel sheet and method for producing the same |
| 12/29/2011 | WO2011162713A1 A metal-base alloy product and methods for producing the same |
| 12/29/2011 | WO2011162418A1 High-tension/hot-rolled steel sheet having excellent workability, and method for producing same |
| 12/29/2011 | WO2011162412A1 High-strength hot-rolled steel sheet having excellent stretch flangeability and method for producing same |
| 12/29/2011 | WO2011162135A1 Cold-rolled thin steel sheet having excellent shape fixability, and process for production thereof |
| 12/29/2011 | WO2011161927A1 Manufacturing method for steel pipe |
| 12/29/2011 | WO2011161833A1 Hot-dip al-coated steel sheet with excellent thermal blackening resistance and process for production of same |
| 12/29/2011 | US20110318605 High strength steel sheet having excellent formability |
| 12/29/2011 | US20110318219 Implant and method for producing the same |
| 12/29/2011 | US20110318218 Low specific gravity steel for forging use excellent in machineability |
| 12/29/2011 | US20110318217 Cold-rolled steel sheet with excellent bending workability, method for manufacturing the same, and member using the same |
| 12/29/2011 | US20110318214 Iron vanadium powder alloy |
| 12/29/2011 | US20110317949 Sintered metallic bearing and fluid dynamic bearing device equipped with the bearing |
| 12/29/2011 | US20110315277 Steel alloy for a low-alloy steel for producing high-strength seamless steel tubing |
| 12/29/2011 | US20110315276 Low alloy steel with a high yield strength and high sulphide stress cracking resistance |
| 12/29/2011 | US20110314965 Metal powder for powder metallurgy and sintered body |
| 12/29/2011 | CA2801295A1 High strength hot-rolled steel sheet having excellent stretch-flange formability and method for manufacturing the same |
| 12/28/2011 | EP2400041A1 Steel material for welding and method for producing same |
| 12/28/2011 | EP2400040A1 Pearlitic rail with excellent wear resistance and toughness |
| 12/28/2011 | EP2398929A1 A high strength thin cast strip product and method for making the same |
| 12/28/2011 | EP2398928A1 A hot rolled thin cast strip product and method for making the same |
| 12/28/2011 | EP2398602A1 A hot rolled thin cast strip product and method for making the same |
| 12/28/2011 | EP1874973B1 Tempered martensitic steel, method of producing a part from said steel and part thus obtained |
| 12/28/2011 | EP1661655B1 Welded structure excellent in resistance to stress corrosion cracking |
| 12/28/2011 | CN1958824B Rtb系合金、其合金片制造方法和永久磁体及其制造用细粉 Rtb alloy, an alloy sheet manufacturing method and the permanent magnet and a fine powder with |
| 12/28/2011 | CN102301029A 铁素体耐热铸钢及排气系统部件 Ferritic heat-resistant steel and exhaust system components |
| 12/28/2011 | CN102301028A 奥氏体低镍不锈钢合金 Low-nickel austenitic stainless steel alloy |
| 12/28/2011 | CN102301027A 高强度热镀锌钢板及其制造方法 High-strength galvanized steel sheet and its manufacturing method |
| 12/28/2011 | CN102301026A 低温韧性优良的厚壁高强度热轧钢板及其制造方法 Excellent low temperature toughness of thick high-strength hot rolled steel sheet and manufacturing method thereof |
| 12/28/2011 | CN102301025A 原油罐用耐腐蚀钢材及其制造方法以及原油罐 Crude oil tank corrosion resistant steel and crude oil tank and its manufacturing method |
| 12/28/2011 | CN102301024A 线材、钢丝以及它们的制造方法 Wire, the wire and manufacturing method thereof |
| 12/28/2011 | CN102301023A 耐磨损性及韧性优异的珠光体系钢轨 Excellent in wear resistance and toughness of the pearlite rail |
| 12/28/2011 | CN102301022A 深拉性优异且具有高屈强比的高强度冷轧钢板，使用其的镀锌钢板、合金化镀锌钢板，及其制造方法 Excellent deep drawing and has a high yield ratio high-strength cold-rolled steel sheet, galvanized steel sheet using the same, alloyed galvanized steel sheet, and manufacturing method thereof |
| 12/28/2011 | CN102301016A 用新型铬铁烧结矿生产高碳铬铁(HCFeCr)和炉料铬铁的改进方法 Sinter production of high-carbon ferrochrome (HCFeCr) and charge chrome ferrochrome improved method with the new |
| 12/28/2011 | CN102301015A 耐hic性优良的厚壁高强度热轧钢板及其制造方法 Excellent resistance hic thick-walled high-strength hot rolled steel sheet and manufacturing method thereof |
| 12/28/2011 | CN102296252A 一种变频压缩机用高锰钢平衡块及其制作方法 One kind of inverter compressor with high manganese steel counterweight and production methods |
| 12/28/2011 | CN102296251A 焊丝用合金结构钢、线材及其制造方法 Alloy structural steel wire, wire and its manufacturing method |
| 12/28/2011 | CN102296250A 内燃机气阀用精炼奥氏体合金及其生产工艺 Valve internal combustion engine with a refined austenitic alloys and production processes |
| 12/28/2011 | CN102296249A 以钨代钼的双相不锈钢合金材料及其制备方法 Molybdenum, tungsten generation duplex stainless steel alloy material and method |
| 12/28/2011 | CN102296248A 一种双相钨不锈钢合金材料及其制备方法 One kind of duplex stainless steel tungsten alloy material and method |
| 12/28/2011 | CN102296247A 双相不锈钢合金材料及其制备方法 Duplex stainless steel alloy material and method |
| 12/28/2011 | CN102296246A 一种超高强度铸钢及其制备方法和焊接工艺 An ultra-high strength steel and its preparation method and welding |
| 12/28/2011 | CN102296245A 一种高强度高抗腐蚀耐磨套管用钢及其制造方法 A high strength and high resistance to corrosion and wear-resistant steel casing manufacturing method |
| 12/28/2011 | CN102296244A 一种经济型耐腐蚀抽油杆用盘条及其制造方法 An economical corrosion sucker rod with its manufacturing method |
| 12/28/2011 | CN102296243A 一种金刚石锯片基体用钢及其生产方法 A line of diamond saw the matrix of steel and production methods |
| 12/28/2011 | CN102296242A 一种汽车用高强韧性热成形钢板的热处理方法 A vehicle with a high strength and toughness hot forming steel heat treatment method |
| 12/28/2011 | CN102296241A 低碳合金铸钢及其制备方法 Low-carbon alloy steel and its preparation method |
| 12/28/2011 | CN102296240A 一种钢管及冷弯型钢高铬轧辊及其制备方法 One kind of high-chromium steel and cold-formed steel roll and its preparation method |
| 12/28/2011 | CN102296239A 一种高强度抗挤毁石油套管管柱及其制造方法 A high-strength collapsing oil casing string and its manufacturing method |
| 12/28/2011 | CN102296238A 一种铁钴合金及其强磁介质棒材的制备方法 Preparation of an iron-cobalt alloy and magnetic media Bars |
| 12/28/2011 | CN102296237A 机车制动电阻带及其制备方法 Locomotive braking resistor with its preparation method |
| 12/28/2011 | CN102296236A 矿山专用耐磨钢球、钢段 Mine special wear-resistant steel balls, steel segment |
| 12/28/2011 | CN102296235A 热轧钢板、热轧钢板的生产装置、和热轧钢板的生产方法 Hot-rolled steel, hot-rolled steel production unit, and hot-rolled steel production methods |
| 12/28/2011 | CN102296234A 耐磨钢板及其生产装置和生产方法 Wear-resistant steel and its production equipment and production methods |
| 12/28/2011 | CN102296233A 高频电阻焊石油套管用钢及其制造方法 High-frequency electric resistance welded steel oil casing and its manufacturing method |
| 12/28/2011 | CN102296232A 超高强度高塑性低碳相变与孪晶诱发塑性热轧钢板及制法 Ultra high strength carbon phase transformation plasticity twinning induced plasticity and hot-rolled steel and manufacturing method |
| 12/28/2011 | CN102296231A 一种连续退火机组生产0.25-0.35mm超光冷轧板的方法 0.25-0.35mm ultra light cold rolled sheet production process for the continuous annealing line |
| 12/28/2011 | CN102296230A 汽车车轮钢圈用热轧钢、及其生产工艺 Hot rolled steel car wheel rims, and its production process |
| 12/28/2011 | CN102296229A 一种抗拉强度700MPa级低屈强比热轧双相钢板及制造方法 One kind of low yield ratio 700MPa grade hot-rolled dual-phase steel and manufacturing method tensile strength |
| 12/28/2011 | CN102296228A 一种添加碳的永磁合金块体及制备方法 A way to add permanent carbon alloy block and preparation method |
| 12/28/2011 | CN102296225A 一种烧结无铅易切削钢的制备方法 A sintered unleaded preparation cutting steel |
| 12/28/2011 | CN102296157A 超低碳铝硅镇静钢的极低Ti控制方法 Ultra low carbon Al-Si-Ti-killed steel control method |
| 12/28/2011 | CN102294481A 一种枪械零件的粉末注射成形加工方法 Powder injection molding processing method firearms parts |
| 12/28/2011 | CN102294479A 一种烧结钕铁硼器件的制备方法 A process for producing a sintered NdFeB device |
| 12/28/2011 | CN101985723B 一种热作模具钢强韧化制备方法 Toughening steel mold method for preparing hot |
| 12/28/2011 | CN101935810B 屈服强度960MPa以上低成本工艺操作窗口宽的超高强度钢板制造方法 Strength of 960MPa or more low-cost process operating window wide method for producing ultra-high-strength steel yield |
| 12/28/2011 | CN101906588B 一种空冷下贝氏体/马氏体复相耐磨铸钢的制备方法 A lower bainite / martensite composite wear-resistant steel preparation air cooling |
| 12/28/2011 | CN101906576B 一种热连轧钢板的生产方法 A heat-rolling steel production methods |
| 12/28/2011 | CN101845592B 低合金铸钢及其冶炼、热处理方法 Low alloy steel and smelting, heat treatment method |
| 12/28/2011 | CN101705435B 超硬高铬铸造磨球的生产工艺方法 Superhard process for the production of high chrome cast grinding balls |
| 12/28/2011 | CN101705333B 不锈钢除尘灰的还原利用方法 Stainless steel dust reduction using the method |
| 12/28/2011 | CN101623922B 整体内外八字形或内八字形两种铁基合金内衬套制造工艺 Within the overall shape or within and outside the eight two eight-shaped iron-based alloy bushing manufacturing process |
| 12/28/2011 | CN101548026B 低温韧性优异的高强度厚壁管线管用焊接钢管及其制造方法 Superior low temperature toughness of high strength thick line pipe use welded steel pipe and manufacturing method thereof |