| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/26/2013 | US20130340899 Steel sheet for hot stamping use, method of production of same, and method of production of high strength part |
| 12/26/2013 | US20130340898 High-strength cold-rolled steel sheet with high yield ratio having excellent formability and method for producing the same |
| 12/25/2013 | EP2677056A1 Duplex stainless steel |
| 12/25/2013 | EP2677055A1 High-purity ferritic stainless steel sheet having excellent oxidation resistance and high-temperature strength, and method for producing same |
| 12/25/2013 | EP2677054A1 Duplex stainless steel, and process for production thereof |
| 12/25/2013 | EP2676763A1 Welded duplex stainless joint |
| 12/25/2013 | EP2676747A1 Method for correcting pipe end of seamless pipe formed from high-cr stainless steel |
| 12/25/2013 | EP2676685A1 Stent composed of an iron alloy |
| 12/25/2013 | EP2309014B1 Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor |
| 12/25/2013 | EP2014378B1 Process for producing stainless-steel pipe |
| 12/25/2013 | CN203360542U Oxygen control device of NdFeB forming workshop |
| 12/25/2013 | CN103476960A Cold rolled steel sheet and production method therefor |
| 12/25/2013 | CN103476959A High-strength austenitic stainless steel for high-pressure hydrogen gas |
| 12/25/2013 | CN103476958A Stainless-steel sheet for metal mask |
| 12/25/2013 | CN103470634A Linear bearing retainer |
| 12/25/2013 | CN103469117A Hot-rolled ribbed steel bar having strength-to-yield ratio of 1.25 or more, and production method thereof |
| 12/25/2013 | CN103469116A Fork-lift truck steering knuckle cast steel material |
| 12/25/2013 | CN103469115A Fork-lift truck steering knuckle cast steel material and preparation method thereof |
| 12/25/2013 | CN103469114A High-toughness stainless steel material used for water pump shell, and preparation method thereof |
| 12/25/2013 | CN103469113A Process for increasing lead yield in smelt of free-cutting stainless steel used for nibs |
| 12/25/2013 | CN103469112A High-formability cold rolling bi-phase strip steel and manufacture method thereof |
| 12/25/2013 | CN103469111A Novel anti-rusty seamless T-section steel |
| 12/25/2013 | CN103469110A High-strength abrasion-resistant alloy material |
| 12/25/2013 | CN103469109A Roughing roll made of graphitizable steel material and manufacturing method thereof |
| 12/25/2013 | CN103469108A Diameter-enlarging cone and manufacturing process thereof |
| 12/25/2013 | CN103469107A A517Gr.B large pressure steel plate with low cost and high toughness and production method thereof |
| 12/25/2013 | CN103469106A Large-thickness rack steel plate directly produced by continuous casting billet and manufacturing method of large-thickness rack steel plate |
| 12/25/2013 | CN103469105A Boron-containing stainless steel and boron alloyage smelting method thereof |
| 12/25/2013 | CN103469104A Boron-containing double phase stainless steel and boron alloyage smelting method thereof |
| 12/25/2013 | CN103469103A Stabilizing roll shaft sleeve material of aluminized zinc wire |
| 12/25/2013 | CN103469102A Steel HG785D for tower crane and production method |
| 12/25/2013 | CN103469101A Corrosion-resistant steel for high-Nb crude oil cargo ship cabin base plate |
| 12/25/2013 | CN103469100A Precipitation hardening type stainless steel pearl mill working chamber with high toughness and high wear resistance and preparation method thereof |
| 12/25/2013 | CN103469099A Production method of low-alloy and high-strength thick plates |
| 12/25/2013 | CN103469098A X80 pipeline steel with good HIC (hydrogen induced crack) resistance and production method thereof |
| 12/25/2013 | CN103469097A High-strength martensite ferrite two-phase stainless steel anti-corrosion oil casing pipe and manufacturing method thereof |
| 12/25/2013 | CN103469096A Heat-resistant steel used for ethylene cracking furnace tube material, and preparation method for ethylene cracking furnace tube |
| 12/25/2013 | CN103469095A High-strength and high-toughness austenitic stainless steel material |
| 12/25/2013 | CN103469094A Chloride ion corrosion resistant pipeline steel and preparation method thereof |
| 12/25/2013 | CN103469093A Molybdenum-containing stainless steel and smelting method thereof |
| 12/25/2013 | CN103469092A Production method for main shaft of fan by using 34CrNiMo6 steel as raw material |
| 12/25/2013 | CN103469091A Large size rolled steel integral wheel used for railway vehicle and production method thereof |
| 12/25/2013 | CN103469090A Annealing method of ultrahigh-strength hot-forming steel |
| 12/25/2013 | CN103469089A Cake-shaped crystal grain deep-draw double-phase steel plate and preparation method thereof |
| 12/25/2013 | CN103469088A High-strength casting |
| 12/25/2013 | CN103469087A Corrosion-resistant casting piece |
| 12/25/2013 | CN103469086A High-strength and high-toughness thick steel plate and production process thereof |
| 12/25/2013 | CN103469085A Rare earth (RE)-containing special petroleum casing for heavy oil thermal recovery wells and production method thereof |
| 12/25/2013 | CN103469084A High-tenacity high-wear-resistance high-speed steel, processing technology thereof and cutter manufactured by using technology |
| 12/25/2013 | CN103469083A Heat-resistant cast steel and application thereof |
| 12/25/2013 | CN103469082A Method for producing refractory steel |
| 12/25/2013 | CN103469081A Rare earth (RE)-containing BT90H steel grade casing for heavy oil thermal recovery wells and rolling method |
| 12/25/2013 | CN103469080A 80ksi steel grade oil well pipe and manufacturing method thereof |
| 12/25/2013 | CN103469079A Ferrite bainitic steel with 490MPa-grade tensile strength and high broaching performance and production method thereof |
| 12/25/2013 | CN103469078A Rolled steel wire used on 70 kg-grade round-link chain and preparation method of rolled steel wire |
| 12/25/2013 | CN103469077A High silicon rolling steel plate and manufacturing technology thereof |
| 12/25/2013 | CN103469076A Method for melting ultra-low carbon steel in LF (ladle furnace) |
| 12/25/2013 | CN103469075A Super deep-drawing cold-rolled enamel steel produced by ASP diplex process and manufacturing method thereof |
| 12/25/2013 | CN103469074A Q345 Z-direction extra-thick low-alloy high-strength structure steel plate and production method thereof |
| 12/25/2013 | CN103469073A High-performance seamless deformed steel and preparation process thereof |
| 12/25/2013 | CN103469072A Straight welded oil casing pipe and manufacturing method thereof |
| 12/25/2013 | CN103469071A Steel for single-sided electrogalvanizing automobile fuel tanks and production method thereof |
| 12/25/2013 | CN103469070A Steel for straight welded oil casing pipes and production method thereof |
| 12/25/2013 | CN103469069A Austenite low-permeability steel with lower yield strength not less than 810MPa and production method |
| 12/25/2013 | CN103469068A Ferrite bainitic steel with tensile strength of 540MPa and high pore broadening performance and production method thereof |
| 12/25/2013 | CN103469067A Production method of precise and long-service mold steel |
| 12/25/2013 | CN103469066A Method for producing high-formability steel plate by using heavy and medium plate mill and steel plate manufactured by method |
| 12/25/2013 | CN103469065A 340MPa-grade HSLA vehicle structural steel and production method thereof |
| 12/25/2013 | CN103469064A High-strength anti-seismic HRB400E reinforcement bar and preparation method thereof |
| 12/25/2013 | CN103469063A Method for producing hot galvanized roasted hardened steel plate |
| 12/25/2013 | CN103469062A Isotropic cold-rolled soft tinned plate and production method thereof |
| 12/25/2013 | CN103469061A Ultra-low carbon steel wire rod for electric conduction and production method thereof |
| 12/25/2013 | CN103469060A Cold-rolled steel plate for stamping household appliances and manufacturing method thereof |
| 12/25/2013 | CN103469059A Hot rolled steel plate for automobile structure and production method thereof |
| 12/25/2013 | CN103469058A Ferrite bainitic steel with 450MPa-grade tensile strength and high broaching performance and production method thereof |
| 12/25/2013 | CN103469057A Steel for automobile wheel and production method of steel |
| 12/25/2013 | CN103469056A High-tensile-to-yield-ratio common hot rolled steel plate and making method thereof |
| 12/25/2013 | CN103469055A Lead-adding process in smelt of lead-containing free-cutting stainless steel used for nibs |
| 12/25/2013 | CN103469051A Duplex stainless steel master alloy and preparation method thereof |
| 12/25/2013 | CN103469045A Laterite nickel ore microwave low-temperature smelting device |
| 12/25/2013 | CN103468906A Process for preparing 2000 MPa nano-scale bainitic steel through low temperature rolling |
| 12/25/2013 | CN103468905A 485MPa grade pipeline steel hot-rolled coil plate and manufacturing method thereof |
| 12/25/2013 | CN103468902A Method for improving through-thickness characteristics of thickness-specification high-strength steel |
| 12/25/2013 | CN103468889A After-forged heat treatment technique of 9Cr2MoV chilled roll steel |
| 12/25/2013 | CN103464865A Equal-intensity matching welding rod manual welding method for P690QL1 high-intensity steel |
| 12/25/2013 | CN103464462A Machining method of die iron plate |
| 12/25/2013 | CN102816979B Production method of low-carbon sulfur series free-cutting steel continuous casting billet |
| 12/25/2013 | CN102796944B Method for casting mine hammer |
| 12/25/2013 | CN102776440B Method for smelting zirconium-containing alloy steel for welding |
| 12/25/2013 | CN102758133B 1000MPa-level automobile steel with high product of strength and elongation and manufacturing method thereof |
| 12/25/2013 | CN102747275B Cold-rolled dual-phase steel with high strain-strengthening performance and method for producing same |
| 12/25/2013 | CN102732787B 600MPa level quake-proof twisted steel and manufacturing method thereof |
| 12/25/2013 | CN102732780B Hot galvanized plate used for refrigerator outer plate, and production method thereof |
| 12/25/2013 | CN102703812B Titanium microalloyed 500-MPa high-strength steel bar and production method thereof |
| 12/25/2013 | CN102699294B Electromagnetic solidification Nd-Fe-B permanent magnet rapid-solidification sheet and preparation method thereof |
| 12/25/2013 | CN102691006B High tempering parameter SR embrittlement resistant cryogenic nickel steel and manufacture method thereof |
| 12/25/2013 | CN102672166B High-temperature wear-resisting iron-base alloy powder |
| 12/25/2013 | CN102650018B Seawater corrosion-resistant steel plate and method for producing same |
| 12/25/2013 | CN102644025B High-strength and high-toughness steel plate and preparation method thereof |
| 12/25/2013 | CN102639740B Steel sheet for cans and method for producing same |