Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
04/2014
04/24/2014WO2014061246A1 Hot-rolled steel sheet for production of nonoriented magnetic steel sheet and process for manufacturing same
04/24/2014US20140113159 Non-oriented electrical steel sheet, method of manufacturing the same, laminate for motor iron core, and method of manufacturing the same
04/24/2014US20140110022 Hot-rolled steel sheet and method for producing same
04/24/2014DE19823911B4 Rostfreier Stahl Stainless steel
04/23/2014EP2722411A1 Ferritic stainless-steel sheet with excellent non-ridging property and process for producing same
04/23/2014EP2722407A2 Precipitation hardening martensitic stainless steel and long blade for steam turbine using the same
04/23/2014EP2722406A1 Steel for molding die having excellent thermal conductivity, mirror polishing properties and toughness
04/23/2014EP2722113A1 High-strength steel wire having improved mold life for cold forming and method for manufacturing same
04/23/2014EP2721334A1 An unbonded flexible pipe
04/23/2014EP2721189A2 Air hardenable shock-resistant steel alloys, methods of making the alloys, and articles including the alloys
04/23/2014CN103748249A Boron-containing stainless steel having excellent hot workability and excellent surface properties
04/23/2014CN103748248A Semi-hard magnetic material,theft-prevention magnetic sensor using same and method of manufacturing semi-hard magnetic material
04/23/2014CN103748243A Fine crystallite high-performance metal alloy member and method for manufacturing same
04/23/2014CN103748240A Method for producing a grain-oriented electrical steel flat product intended for electrotechnical applications
04/23/2014CN103741079A Super-strength steel plate for oceanographic engineering and production method thereof
04/23/2014CN103741078A Remained heat treatment steel bar production process
04/23/2014CN103741077A Rolled steel
04/23/2014CN103741076A Steel material and preparation method thereof
04/23/2014CN103741075A Corrosion-resistant steel tube material for high-pressure boilers and preparation method thereof
04/23/2014CN103741074A Seamless steel tube material for automobile half axle sleeves and preparation method thereof
04/23/2014CN103741073A Wear-resisting alloy steel material for roll collars and preparation method thereof
04/23/2014CN103741072A Antimony-contained alloy steel material for roller and preparation method thereof
04/23/2014CN103741071A Die steel and preparation method thereof
04/23/2014CN103741070A Two-phase seamless stainless steel tube for ethylene oxide reactor
04/23/2014CN103741069A Wear-resisting cast steel
04/23/2014CN103741068A Special process for freely forging EH36 optimized material steel ingot into plate-shaped bearing seat forged piece
04/23/2014CN103741067A Steel for truck high-toughness wheel hub and preparation method of wheel hub
04/23/2014CN103741066A Non-magnetic hard austenitic stainless steel for precision electron and manufacturing method thereof
04/23/2014CN103741065A Austenite heat-resistance stainless steel resisting high temperature oxidation
04/23/2014CN103741064A Seamless steel tube material for conveying fluids and preparation method thereof
04/23/2014CN103741063A Seamless steel tube material for geological drilling and preparation method thereof
04/23/2014CN103741062A Seamless steel tube material for nuclear power and preparation method thereof
04/23/2014CN103741061A Alloy steel material with high fracture toughness for rolls and preparation method thereof
04/23/2014CN103741060A Alloy steel material for yttrium-containing roller and preparation method thereof
04/23/2014CN103741059A High-boron alloy steel material for roller and preparation method thereof
04/23/2014CN103741058A Heat-resistant steel pipe material and preparation method thereof
04/23/2014CN103741057A Steel plate with low density and high marine environment resistance and production technology thereof
04/23/2014CN103741056A Corrosion resistant steel plate for resisting marine environment of South China Sea and production process of corrosion resistant steel plate
04/23/2014CN103741055A Low temperature-resistant steel pipe material and preparation method thereof
04/23/2014CN103741054A Seamless steel tube material for petroleum drill collars and preparation method thereof
04/23/2014CN103741053A Ferrite stainless steel with good polishing performance and manufacturing method thereof
04/23/2014CN103741052A Carbon reinforcement high tenacity corrosion resistance super strength 300MCr steel and preparation method thereof
04/23/2014CN103741051A Manufacturing method of sword body
04/23/2014CN103741050A Superhigh-strength high-flexibility steel and production method thereof
04/23/2014CN103741049A Iron-based abrasion-resistant alloy based on Laves phase strengthening and preparation method thereof
04/23/2014CN103741048A Piston packing ring of gasoline engine and preparation method thereof
04/23/2014CN103741047A Medium-carbon steel wheel steel having improved fracture toughness and used for railway locomotive and preparation method of wheel
04/23/2014CN103741046A High-wear-resistance seamless steel pipe material and preparation method thereof
04/23/2014CN103741045A Alloy steel material for composite roll surface layer and preparation method thereof
04/23/2014CN103741044A Hot roll alloy steel material and preparation method thereof
04/23/2014CN103741043A Boron-contained alloy steel material for roller and preparation method thereof
04/23/2014CN103741042A Alloy material for high wear-resistant cold rolls and preparation method thereof
04/23/2014CN103741041A Locomotive brake resistance band with relatively low cost and preparation method thereof
04/23/2014CN103741040A Preparation method of locomotive brake resistance band
04/23/2014CN103741039A Preparation method of locomotive brake resistance band with good resistance uniformity
04/23/2014CN103741038A Locomotive brake resistance band with good resistance uniformity and preparation method thereof
04/23/2014CN103741037A High-strength antifatigue steel tube material and preparation method thereof
04/23/2014CN103741036A Rare earth-containing alloy steel material for roller of wire processing equipment and preparation method thereof
04/23/2014CN103741035A Alloy steel material for wire rod mill rolls and preparation method thereof
04/23/2014CN103741034A High-hardness wheel steel for wagons and wheel preparation method
04/23/2014CN103741033A High-carbon wheel steel capable of improving plasticity for rail wagon and wheel manufacturing method thereof
04/23/2014CN103741032A High-carbon low-alloy wheel steel for locomotive of improving flexibility and wheel preparation method
04/23/2014CN103741031A Thin slab casting and rolling process-based vanadium-containing ordinary oriented silicon steel and manufacturing method thereof
04/23/2014CN103741030A High performance powder metallurgy gear
04/23/2014CN103741029A Production method of 100mm-thick normalized Q420GJC steel plate
04/23/2014CN103741028A Low-yield-ratio and low-temperature seamless steel tube and production method thereof
04/23/2014CN103741027A Ocean engineering steel with welded joint CTOD (crack tip opening displacement) greater than 0.5mm and preparation method
04/23/2014CN103741026A 240MPa-level hot-rolled pickled steel plate for single-sided enameling and production method of 240MPa-level hot-rolled pickled steel plate
04/23/2014CN103741025A Method for preparing boron-containing micro-alloy steel by using boron-containing pig iron as boron charging agent
04/23/2014CN103741024A Low-cost and high-performance steel plate for wind power and production method thereof
04/23/2014CN103741023A Method for smelting non-magnetic steel
04/23/2014CN103741022A High strength building steel bar
04/23/2014CN103741021A High-toughness wheel steel for railway wagons and wheel preparation method
04/23/2014CN103741020A Preparation method of magnesium-aluminum-iron alloy for desulfurizing and deoxidizing agent
04/23/2014CN103741019A Hot rolled steel strip and production method thereof
04/23/2014CN103741018A Method for producing light hot rolling H-shaped steel for automobile beam
04/23/2014CN103741006A Preparation method of Ti-containing low-nitrogen stainless steel
04/23/2014CN103740959A Alloy additive for preparing double high neodymium-iron-boron material and application method thereof
04/23/2014CN103740925A Method for linkage production of high-toughness pipeline steel by adopting jetting and laminar cooling
04/23/2014CN103740912A Processing method for improving temper embrittlement resistance of steel plate for pressure vessels
04/23/2014CN103737196A Hardfacing alloy containing silicon and chromium composite ceramic phases and manufacturing process thereof
04/23/2014CN103736976A Alloy soil loosening teeth on soil loosening machine and manufacturing method thereof
04/23/2014CN103736549A Preparation method for metal-based ceramic composite material grinding roller of vertical grinding machine
04/23/2014CN102912254B High temperature abrasion resistant guide plate and preparation method thereof
04/23/2014CN102876966B Preparation method of as-cast high manganese steel through forging processing
04/23/2014CN102864376B High-strength full-thread equal-strong resin bolting reinforcing bar and production method thereof
04/23/2014CN102822359B Method for producing high-strength steel plate having superior deep drawing characteristics
04/23/2014CN102732797B 800MPa grade low welding crack sensitivity steel plate and its manufacturing method
04/23/2014CN102686759B Steel for machine structural use, manufacturing method for same, case hardened steel components, and manufacturing method for same
04/23/2014CN102639738B High-strength hot-dip galvanized steel sheet with excellent formability and process for producing same
04/23/2014CN102605268B Super-high manganese steel and preparation method thereof
04/23/2014CN102454715B Cardan universal joint, and manufacturing method for shaft sleeve for cardan universal joint
04/23/2014CN102325909B Method of manufacturing sheet steel for sour-resistant line pipe
04/23/2014CN102046325B Flux-cored wire for welding of duplex stainless steel which enables the miniaturization of solidified crystal particles
04/23/2014CN101981216B Low-alloy duplex stainless steel wherein weld heat-affected zones have good corrosion resistance and toughness
04/22/2014US8704134 High hardness/high wear resistant iron based weld overlay materials
04/22/2014US8703282 Core-shell type magnetic particle and high-frequency magnetic material
04/22/2014US8703047 Clothing ornament made from a high-Mn austenitic stainless steel
04/22/2014US8702880 High strength and low yield ratio steel for structure having excellent low temperature toughness
04/22/2014US8702876 Steel plate having a low welding crack susceptibility and a yield strength of 800MPa and manufacture method thereof
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