| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 05/30/2012 | CN101815802B High-strength Cr-Ni alloy product and seamless oil well pipes made by usinfg the same |
| 05/30/2012 | CN101812643B Boracic pinion steel and preparation method thereof |
| 05/30/2012 | CN101802236B High-strength steel sheet for can manufacturing and process for manufaturing the sheet |
| 05/30/2012 | CN101775550B Piston top material of combined piston for big cylinder-diameter diesel engine |
| 05/30/2012 | CN101775542B Quake-proof construction steel with yield strength of 100MPa and production method thereof |
| 05/30/2012 | CN101773935B High speed steel compound roll and manufacture method thereof |
| 05/30/2012 | CN101768702B Medium-chromium ferrite stainless steel for automobile with high formability and acidic corrosion resistance as well as manufacturing method thereof |
| 05/30/2012 | CN101748406B Chrome-free formation processing galvanized steel sheet with excellent corrosion resistance of cutting end face |
| 05/30/2012 | CN101748330B Steel for heat-resisting casing pipe and manufacturing method thereof |
| 05/30/2012 | CN101736206B Manufacturing method of coking cart heat-resisting and wear-resisting lining plate |
| 05/30/2012 | CN101722188B Method for cold rolling of austenite stainless steel plate strip |
| 05/30/2012 | CN101641455B Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon |
| 05/30/2012 | CN101550515B Copper-containing high-strength and high-ductility high manganese steel |
| 05/30/2012 | CN101497959B Cold rolling baking hardened steel with yield strength 220MPa and production method thereof |
| 05/30/2012 | CN101492791B Electromagnetic steel plate capable of soldering in large energy input and manufacturing method thereof |
| 05/30/2012 | CN101379013B Method for the continuous heterogeneously catalysed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated |
| 05/30/2012 | CN101319295B High-strength hot rolled steel plate and manufacturing method thereof |
| 05/30/2012 | CN101306434B Preparation method of low carbon low silicon no-aluminum half-technique non oriented electrical steel |
| 05/29/2012 | US8187530 Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring |
| 05/29/2012 | US8187529 Wear resistant alloy and method of producing thereof |
| 05/29/2012 | CA2604968C Austenitic stainless steel |
| 05/24/2012 | WO2012068249A2 Components for exhaust system, methods of manufacture thereof and articles comprising the same |
| 05/24/2012 | WO2012067474A2 High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor |
| 05/24/2012 | WO2012067473A2 High-toughness cold-drawn non-heat-treated wire rod, and method for manufacturing same |
| 05/24/2012 | WO2012067379A2 Method for manufacturing high-strength cold-rolled/hot-rolled dp steel having a tensile strength grade of 590 mpa and excellent workability, as well as little deviation in the material properties thereof |
| 05/24/2012 | WO2012067237A1 Steel for wheel |
| 05/24/2012 | WO2012067181A1 Steel for nitriding purposes, and nitrided member |
| 05/24/2012 | WO2012067160A1 High-strength steel plate with excellent formability, warm working method, and warm-worked automotive part |
| 05/24/2012 | WO2012067159A1 High-strength steel plate with excellent formability, warm working method, and warm-worked automotive part |
| 05/24/2012 | WO2012065674A1 Lightweight crankdrive and method for manufacturing same |
| 05/24/2012 | WO2012043984A3 Steel plate for line pipe, having excellent hydrogen induced crack resistance, and preparation method thereof |
| 05/24/2012 | WO2012036483A3 High-carbon hot-rolled steel sheet, cold-rolled steel sheet and a production method therefor |
| 05/24/2012 | US20120128524 Steel wire rod having excellent cold heading quality and hydrogen delayed fracture resistance, method of manufacturing the same, and mehod of manufacturing bolt using the same |
| 05/24/2012 | US20120125724 Steel sheet for brake disc, and brake disc |
| 05/24/2012 | US20120125492 Ultratough high-strength weldable plate steel |
| 05/24/2012 | US20120125489 High strength steel wire for spring |
| 05/24/2012 | DE102010051682A1 Leichtbau-Kurbeltrieb und Herstellungsverfahren desselben The same lightweight crank mechanism and manufacturing methods |
| 05/24/2012 | DE102010051681A1 Kühlkanalkolben und Verfahren zu dessen Herstellung Cooling channel pistons, and method for its production |
| 05/24/2012 | CA2812905A1 Steel for wheel |
| 05/23/2012 | EP2455954A1 Process for production of r-t-b based sintered magnets and r-t-b based sintered magnets |
| 05/23/2012 | EP2455508A1 High strength / corrosion-resistant,.austenitic stainless steel with carbon - nitrogen complex additive, and method for manufacturing same |
| 05/23/2012 | EP2455507A1 High-strength cold-rolled steel sheet |
| 05/23/2012 | EP2455506A1 Coated-surface sliding part having excellent coating adhesion and method for producing the same |
| 05/23/2012 | EP2455499A1 Process for production of cold-rolled steel sheet having excellent press moldability, and cold-rolled steel sheet |
| 05/23/2012 | EP2455498A1 Process for production of oriented electromagnetic steel sheet |
| 05/23/2012 | EP2455497A1 Method for producing grain-oriented electromagnetic steel plate |
| 05/23/2012 | EP2455496A1 Precipitation hardening martensitic stainless steel and steam turbine component made thereof |
| 05/23/2012 | EP2188402B1 Martensitic stainless steel, method for making parts from said steel and parts thus made |
| 05/23/2012 | EP1867744B1 Magnetic alloy and method for producing same |
| 05/23/2012 | EP1511872B1 Steel and mould tool for plastic materials made of the steel |
| 05/23/2012 | CN1690238B Ferrous abrasion resistant sliding material |
| 05/23/2012 | CN102473516A Process for production of r-Fe-B-based rare earth sintered magnet, and steam control member |
| 05/23/2012 | CN102473515A Process for production of r-t-b based sintered magnets and r-t-b based sintered magnets |
| 05/23/2012 | CN102473501A Composite magnetic body and method for producing the same |
| 05/23/2012 | CN102473498A 烧结磁铁、电动机、汽车以及烧结磁铁的制造方法 Sintered magnet, motors, automotive and manufacturing method of a sintered magnet |
| 05/23/2012 | CN102472699A Method for determination of brittle crack propagation stopping performance in high-intensity thick steel plate |
| 05/23/2012 | CN102472224A Fuel injection nozzle for internal combustion engine, nozzle blank and manufacturing method thereof |
| 05/23/2012 | CN102471916A Stainless steel for fuel cell having excellent corrosion resistance and method for producing same |
| 05/23/2012 | CN102471856A Alloy composition, fe-based nanocrystalline alloy and manufacturing method of the same |
| 05/23/2012 | CN102471855A 耐蚀性优良的省Ni型不锈钢 Excellent corrosion resistance province Ni stainless steel |
| 05/23/2012 | CN102471854A 利用混合硬化对马氏体钢进行的低温处理 Using low-temperature processing of mixed hardening martensitic steels of |
| 05/23/2012 | CN102471853A Iron-based sintered sliding member, and process for production thereof |
| 05/23/2012 | CN102471852A High-strength cold-rolled steel sheet and method for producing same |
| 05/23/2012 | CN102471851A 具有优异韧性的非热处理轧钢和拉制线材及二者的制备方法 Non-heat-treated steel rolling and wire drawing and preparation methods both have excellent toughness |
| 05/23/2012 | CN102471850A 方向性电磁钢板 Oriented electrical steel sheet |
| 05/23/2012 | CN102471849A 高强度钢板及其制造方法 High strength steel sheet and manufacturing method thereof |
| 05/23/2012 | CN102471848A Stainless steel for fuel cell separators which has excellent electrical conductivity and ductility, and process for production thereof |
| 05/23/2012 | CN102471847A 带内表面突起的螺旋钢管及其制造法 Spiral steel pipe with an inner surface, and a manufacturing method of the protrusion |
| 05/23/2012 | CN102471846A Nonmagnetic stainless steel, member for radio-controlled watch, process for producing nonmagnetic stainless steel and radio receiver |
| 05/23/2012 | CN102471845A 具有出色的涂层附着性的表面涂覆滑动部件及其制造方法 The coating has excellent adhesion to the surface of the sliding member and method of manufacturing the coated |
| 05/23/2012 | CN102471844A 高强度钢板及其制造方法 High strength steel sheet and manufacturing method thereof |
| 05/23/2012 | CN102471843A 低温韧性优良的高强度管线管用钢板及高强度管线管用钢管 Excellent low-temperature toughness of high strength steel plate for line pipe and the steel pipe for high strength line pipe |
| 05/23/2012 | CN102471842A 低循环弯曲疲劳强度优良的渗碳钢部件 Excellent low cycle bending fatigue strength carburizing steel components |
| 05/23/2012 | CN102471841A Ferritic stainless steel with excellent heat resistance |
| 05/23/2012 | CN102471840A Ferritic stainless steel for EGR cooler and EGR cooler |
| 05/23/2012 | CN102471821A Process for production of cold-rolled steel sheet having excellent press moldability, and cold-rolled steel sheet |
| 05/23/2012 | CN102471820A 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 |
| 05/23/2012 | CN102471819A Process for production of oriented electromagnetic steel sheet |
| 05/23/2012 | CN102471818A Method for producing grain-oriented electromagnetic steel plate |
| 05/23/2012 | CN102471817A 制造铁-铬-合金的方法 Manufacture of iron - chromium - Alloy methods |
| 05/23/2012 | CN102471815A Method for producing martensitic steel with mixed hardening |
| 05/23/2012 | CN102470502A Cutting method for steel for use in machine structure |
| 05/23/2012 | CN102465527A 一种金属管桩端接板及其生产工艺 Termination of a metal plate and its production process Pile |
| 05/23/2012 | CN102465287A 一种激光熔覆具有三层金属的复合管材的制造方法 A method for producing laser cladding has three layers of metal composite pipe |
| 05/23/2012 | CN102465240A 沉淀硬化型马氏体不锈钢及使用有该不锈钢的汽轮机部件 Precipitation hardening martensitic stainless steel and the use of stainless steel turbine components |
| 05/23/2012 | CN102465239A 一种提高高硫含量不锈钢硫收得率的方法 A method for stainless steel high sulfur content of sulfur yield improvement |
| 05/23/2012 | CN102465238A Method for reducing stainless steel welding wire blank material hot-rolled corner crack defect |
| 05/23/2012 | CN102465237A 耐腐蚀合金砂及其制备方法 Corrosion resistant alloy sand and its preparation method |
| 05/23/2012 | CN102465236A Method for producing X70 or X80 high-strain steel tube |
| 05/23/2012 | CN102465235A X100 anti-large deformation pipe steel and manufacturing technology thereof |
| 05/23/2012 | CN102465234A 一种低合金n80钢级实体可膨胀管材料的制备方法 A low alloy steel grade entity n80 expandable tubing material preparation methods |
| 05/23/2012 | CN102465229A Ferro-titanium alloying method for titaniferous stainless steel |
| 05/23/2012 | CN102465228A 一种利用铁合金炉渣冶炼成的合金钢 A use of ferroalloy smelting slag into steel |
| 05/23/2012 | CN102465224A 高铬复合锤头 High chromium composite hammer |
| 05/23/2012 | CN102465200A 无缝钢管的制造方法 Seamless steel pipe manufacturing method |
| 05/23/2012 | CN102465199A 无缝钢管的制造方法 Seamless steel pipe manufacturing method |
| 05/23/2012 | CN102465198A 一种铁素体不锈钢方坯退火的方法 One kind of ferritic stainless steel billet annealing method |
| 05/23/2012 | CN102464969A 一种合金研磨材料 An alloy abrasive material |
| 05/23/2012 | CN102463348A 粉末冶金用铁基混合粉末 The iron-based mixed powder metallurgy |
| 05/23/2012 | CN102463270A 一种无缝钢管的制造方法 A method of manufacturing a seamless steel pipe |