| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 11/30/2011 | CN101469389B 滚动体用金属球 Body with a metal ball rolling |
| 11/30/2011 | CN101389878B 离合器构件及其制造方法 Clutch member and its manufacturing method |
| 11/30/2011 | CN101291775B 铁及镍基钎焊箔以及钎焊方法 Iron and nickel-based brazing foil and soldering methods |
| 11/29/2011 | CA2621014C Low alloy steel |
| 11/29/2011 | CA2407384C High strength hot-dip galvanized steel sheet and method for manufacturing the same |
| 11/28/2011 | DE212010000038U1 Ein Formstahl A mold steel |
| 11/24/2011 | WO2011145741A1 Welded joint having excellent corrosion resistance, and crude oil tank |
| 11/24/2011 | WO2011145740A1 Welded joint having excellent corrosion resistance and crude oil tank |
| 11/24/2011 | WO2011145739A1 Welded joint having excellent corrosion resistance and crude oil tank |
| 11/24/2011 | WO2011145674A1 Method for producing rare earth permanent magnets, and rare earth permanent magnets |
| 11/24/2011 | WO2011145612A1 Age-hardenable steel and process for producing machine part |
| 11/24/2011 | WO2011145234A1 Automotive underbody part having excellent low cycle fatigue properties, and process for production thereof |
| 11/24/2011 | WO2011120108A8 Bainitic steel for moulds |
| 11/24/2011 | US20110287280 High-strength cold-rolled steel sheet excellent in bending workability |
| 11/24/2011 | US20110286879 HIGH-Mn AUSTENITIC STAINLESS STEEL AND METAL PARTS FOR CLOTHING ORNAMENT |
| 11/24/2011 | US20110286877 Metal powder |
| 11/24/2011 | US20110284137 Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof |
| 11/24/2011 | US20110284136 Galvannealed steel sheet and producing method therefor |
| 11/23/2011 | EP2388352A1 Pearlitic steel rail excellent in wear resistance and ductility and method for producing the same |
| 11/23/2011 | EP2388351A1 Steel for surface hardening for machine structural use, and component for machine structural use |
| 11/23/2011 | EP2388350A1 Method for producing r-t-b sintered magnet |
| 11/23/2011 | EP2388341A1 Process for production of duplex stainless steel pipe |
| 11/23/2011 | EP2171112B1 Method for producing steel sheets having high resistance and ductility characteristics, and sheets thus obtained |
| 11/23/2011 | CN102257299A Nitratable steel piston rings and steel cylindrical sleeves, and casting method for the production thereof |
| 11/23/2011 | CN102257174A Ferritic-austenitic stainless steel |
| 11/23/2011 | CN102257173A Oriented electrical steel sheet, and method for producing same |
| 11/23/2011 | CN102257172A High-strength stainless steel pipe |
| 11/23/2011 | CN102257168A Process for the production of grain-oriented magnetic sheet starting from thin slab |
| 11/23/2011 | CN102257167A Method for producing high alloy steel pipe |
| 11/23/2011 | CN102255269A Energy-saving compression type strain clamp |
| 11/23/2011 | CN102251204A Phosphorus-containing iron-based powder cored wire for preparing amorphous phase-containing coating by arc spraying and coating preparation method |
| 11/23/2011 | CN102251198A Smelting ingredient of piston |
| 11/23/2011 | CN102251197A High-carbon chromium bearing steel and preparation method thereof |
| 11/23/2011 | CN102251196A Wear-resistant relieved tooth prepared from high-strength alloy steel |
| 11/23/2011 | CN102251195A Economical biphase stainless steel with favorable low-temperature impact toughness and preparation method thereof |
| 11/23/2011 | CN102251194A Two-phase stainless steel cold-rolled sheet with good surface corrosion resistance, and preparation method thereof |
| 11/23/2011 | CN102251193A Economical biphase stainless steel with excellent corrosion resistance and preparation method thereof |
| 11/23/2011 | CN102251192A Enamel steel and production method thereof |
| 11/23/2011 | CN102251191A Martensite stainless steel and preparation method for flat strip of martensite stainless steel |
| 11/23/2011 | CN102251190A Cr-Mo-Ni-Ti-V sealing ring of turbocharger |
| 11/23/2011 | CN102251189A Method for manufacturing 105ksi steel grade sulfide stress corrosion resistant drill rod material |
| 11/23/2011 | CN102251188A Steel belt for bimetal saw back and production technique thereof |
| 11/23/2011 | CN102251187A High-speed steel, extrusion roller containing high-speed steel and production method of extrusion roller |
| 11/23/2011 | CN102251186A Steel for high-strength mining machine and manufacturing method thereof |
| 11/23/2011 | CN102251185A Preparation method of high-chromium roller for steel tube reducing mill or sizing mill and high-chromium roller prepared thereby |
| 11/23/2011 | CN102251184A Fe-Cr-B antifriction alloy containing aluminum and preparation method thereof |
| 11/23/2011 | CN102251183A Boron-containing high-chromium wear-resistant alloy and preparation method thereof |
| 11/23/2011 | CN102251182A Material used for preparing wet spraying machine liner |
| 11/23/2011 | CN102251181A Steelmaking refining and continuous casting production method for alloy casting blank |
| 11/23/2011 | CN102251180A Rare-earth-containing ultrahigh strength collapse-resistant petroleum casing and production method thereof |
| 11/23/2011 | CN102251179A Method for controlling cracks of medium-carbon manganese-containing chromium-containing steel billet |
| 11/23/2011 | CN102251178A Preparation method for low-alloy steel keeping constant hardness under thermal disturbance |
| 11/23/2011 | CN102251177A High-strength steel plate containing rare earth and rolling method thereof |
| 11/23/2011 | CN102251176A Method for rolling ship plate pitting-resistant blue steel |
| 11/23/2011 | CN102251175A 厚钢板 Thick steel plate |
| 11/23/2011 | CN102251174A Enamel steel and preparation method of cold rolled sheet thereof |
| 11/23/2011 | CN102251173A High-strength and high-toughness steel plate for low-cost and high linear energy welding |
| 11/23/2011 | CN102251172A Steel with favorable strength, plasticity, roughness, hardenability characteristic and cost performance as well as wide application |
| 11/23/2011 | CN102251171A Thick steel plate with excellent fatigue characteristics |
| 11/23/2011 | CN102251170A Ultrahigh-strength bainitic steel and manufacture method thereof |
| 11/23/2011 | CN102251086A Molybdenum-based ferrite stainless steel and preparation method thereof |
| 11/23/2011 | CN102251084A Heat treatment process of steel forging for hydraulic cylinder of deep-sea oil recovery equipment |
| 11/23/2011 | CN102248156A Powder metallurgy car connecting rod and common mould pressing production method thereof |
| 11/23/2011 | CN102248147A Novel stainless steel centrifuge revolving drum and manufacturing method thereof |
| 11/23/2011 | CN102248146A Continuous casting method for spring steel |
| 11/23/2011 | CN102248023A Method for manufacturing X70 steel-level large deformation-resistant longitudinally submerged arc welding pipe |
| 11/23/2011 | CN102247985A Method for producing steel for stirring tank with limit specification through hot rolling |
| 11/23/2011 | CN101892436B Fe-Ni-Cr-Al system electrothermal alloy and manufacturing method and application thereof |
| 11/23/2011 | CN101871076B Manufacturing method of 500Mpa-grade cold-rolled magnetic steel |
| 11/23/2011 | CN101845601B Ultrahigh strength cold rolled steel strip for automobile seat |
| 11/23/2011 | CN101845587B Steel with yield ratio no larger than 0.8 for hot rolling U-shaped steel sheet pile and production method thereof |
| 11/23/2011 | CN101812640B In-situ composite high-strength thick steel plate and manufacturing method thereof |
| 11/23/2011 | CN101787420B Large-size mandril structure property control method |
| 11/23/2011 | CN101784688B Method for producing steel sheets having high resistance and ductility characteristics, and sheets thus obtained |
| 11/23/2011 | CN101748344B Railway track welded steel and manufacturing technology thereof |
| 11/23/2011 | CN101748342B High-strength 18Cr-8Ni stainless steel hot rolled plate and manufacturing method thereof |
| 11/23/2011 | CN101713049B Multielement ferrotitanium hydrogen storage alloy |
| 11/23/2011 | CN101668874B Cold-work die steel and die |
| 11/23/2011 | CN101652493B Hot-forging microalloyed steel and hot-rolled steel material each having excellent fracture splittability and machinability, and hot-forging microalloyed steel part |
| 11/23/2011 | CN101565800B Steel plate with obdurability and strong plasticity and manufacturing method thereof |
| 11/23/2011 | CN101538685B High-toughness ductile blade steel and metallurgical manufacturing method thereof |
| 11/23/2011 | CN101514431B High-strength high-elongation Cr17 cold-rolled steel strip and method for manufacturing same |
| 11/23/2011 | CN101497962B High tension thick steel plate with excellent toughness at welding heat affected zone |
| 11/22/2011 | US8062584 Ferritic stainless steel sheet superior in heat resistance |
| 11/22/2011 | US8062438 Hot-rolled thin steel sheet with excellent formability and excellent strength and toughness after heat treatment, and method for manufacturing the same |
| 11/22/2011 | CA2638681C Oil country tubular good for expansion in well and manufacturing method thereof |
| 11/17/2011 | WO2011142473A1 Cold-rolled steel sheet and method for producing same |
| 11/17/2011 | WO2011142423A1 Method for manufacturing raw material for rotary machine part, method for manufacturing rotary machine part, raw material for rotary machine part, rotary machine part, and centrifugal compressor |
| 11/17/2011 | WO2011142356A1 High-strength steel sheet and method for producing same |
| 11/17/2011 | WO2011142285A1 High-strength steel plate and method for producing same |
| 11/17/2011 | WO2011142172A1 High-strength thick steel plate with excellent drop weight characteristics |
| 11/17/2011 | WO2011141310A1 Steel side shaft produced by rotary swaging |
| 11/17/2011 | WO2011140823A1 Smelting method for medium carbon steel j55 |
| 11/17/2011 | WO2011084148A3 Iron-chromium alloy with improved compressive yield strength and method of making and use thereof |
| 11/17/2011 | WO2011081350A3 High strength steel sheet having excellent resistance to post weld heat treatment and method for manufacturing same |
| 11/17/2011 | WO2011078531A3 Martensite stainless steel for an injection-moulding mould having improved corrosion resistance |
| 11/17/2011 | US20110280760 Ferrite stainless steel with low black spot generation |
| 11/17/2011 | US20110277886 Nitriding of niobium steel and product made thereby |
| 11/16/2011 | EP2387044A1 R-T-B rare earth sintered magnet |
| 11/16/2011 | EP2386669A1 Constituent member of bearing, process for production of same, and ball-and-roller bearing provided with the constituent member |