Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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12/22/2010 | CN101923941A Low-noise transformer core for inverter power supply |
12/22/2010 | CN101921968A Production method of steel-plate with specified dimensions for hull structure |
12/22/2010 | CN101921967A Novel austenitic heat-resistance stainless steel |
12/22/2010 | CN101921966A Production method of sulfuric acid dew-point corrosion resistance hot rolled sheet |
12/22/2010 | CN101921965A Low-cost non-quenched and tempered high-strength weathering steel with yield strength level of 700MPa and manufacturing method thereof |
12/22/2010 | CN101921960A Microalloyed steel and production method thereof |
12/22/2010 | CN101921956A High-magnetic induction, low-iron loss, low-carbon, low-silicon and non-oriented electrical steel and manufacturing method thereof |
12/22/2010 | CN101921955A Method for manufacturing pipeline steel medium plate with excellent tenacity through normalizing rolling |
12/22/2010 | CN101921954A Earthquake-resistant hot rolled ribbed steel bar and production process thereof |
12/22/2010 | CN101921953A Production method of anti-corrosion and high strength ultra-thick steel plates |
12/22/2010 | CN101921952A Steel for petroleum casing pipe, electric resistance welding petroleum casing pipe and manufacture methods thereof |
12/22/2010 | CN101921951A Low-aluminum-content and high-aging-resistance hot-rolling thin steel plate for cold formation and manufacturing method thereof |
12/22/2010 | CN101921950A Steel rail used for high-speed and quasi-high speed railways and manufacturing method thereof |
12/22/2010 | CN101921949A Continuous annealing production method of cold-rolled sheet No.45 steel |
12/22/2010 | CN101921931A Method for manufacturing precision alloy semicircular steel wires |
12/22/2010 | CN101921897A Method for reducing carbon segregation in high-carbon steel |
12/22/2010 | CN101920278A Production method for hot-rolled steel plates for automobiles |
12/22/2010 | CN101480696B Method for preparing high-temperature alloy thin-section casting |
12/22/2010 | CN101397627B Fire resistant and weather resistant anti-shock steel and method for producing the same |
12/22/2010 | CN101348854B Method for producing oriented electrical steel by low temperature heating |
12/22/2010 | CN101346479B Method for manufacturing high strength steel strips with superior formability and excellent coatability |
12/22/2010 | CN101343713B High-strength atmospheric corrosion resistant hot-rolled strip steel and method of manufacturing the same |
12/22/2010 | CN101215665B Steel having excellent machinability and production method therefor |
12/21/2010 | US7854884 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
12/21/2010 | US7854809 Heat treatment system for a composite turbine engine component |
12/21/2010 | US7854808 Steel sheet for vitreous enameling and production method |
12/16/2010 | WO2010143726A1 Process for producing thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding and thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding |
12/16/2010 | WO2010143433A1 High strength steel pipe and method for producing same |
12/16/2010 | WO2010142833A1 Simplified process for hot-rolling a structural steel with titanium as a microalloying element |
12/16/2010 | WO2010119179A3 Method for manufacturing a mill lining element and the use of such element |
12/16/2010 | US20100314010 High-strength hot-rolled steel sheet and method for manufacturing same |
12/16/2010 | CA2764650A1 High-strength steel pipe and producing method thereof |
12/15/2010 | CN101918608A Security cabinet |
12/15/2010 | CN101918599A Method for the production of coated and hardened components made of steel, and coated and hardenable steel strip therefor |
12/15/2010 | CN101914732A Low-mark vanadium and titanium containing non-oriented electrical steel and manufacturing method thereof |
12/15/2010 | CN101914731A High-magnetic induction non-oriented electrical steel containing vanadium and titanium and preparation method thereof |
12/15/2010 | CN101914730A Vanadium and titanium containing cold rolling non-oriented electrical steel and preparation method thereof |
12/15/2010 | CN101914729A Niobium-titanium composite beam steel of heavy truck and preparation method thereof |
12/15/2010 | CN101914727A Steel plate with good low-temperature toughness for locomotive head and production method thereof |
12/15/2010 | CN101914725A Low-carbon ultra-deep punching cold-rolling steel sheet and production method thereof |
12/15/2010 | CN101914724A Substrate for strapping band |
12/15/2010 | CN101914723A Hot-rolling large-deformation-resistance pipeline steel and preparation method thereof |
12/15/2010 | CN101914716A Smelting method of steel and production method of reinforcing steel bars |
12/15/2010 | CN101914666A Method for improving transverse impact toughness of seamless steel tube |
12/15/2010 | CN101914665A Process for producing thick plate of plastic die steel |
12/15/2010 | CN101914664A Metal surface treatment method for enforcing condensation heat transfer |
12/15/2010 | CN101912936A Cooling method of forging subjected to heat treatment |
12/15/2010 | CN101381845B High-purity ferrite stainless steel material and manufacturing method thereof |
12/15/2010 | CN101346486B Two-phase stainless steel |
12/15/2010 | CN101338397B Ferrite/martensite two-phase steel with tensile strength higher than 1000MPa and method for preparing same |
12/15/2010 | CN101270436B Hot-rolled polyphase steel plate and method for manufacturing same |
12/14/2010 | US7850793 composed of a pearlite structure; breaking less; tensile strength; high-strength steel wires such as steel cords, tyre bead wires, steel wires for prestressed concrete, wire ropes |
12/14/2010 | US7849599 Imputing strength gradient in pressure vessels |
12/14/2010 | CA2415244C Carbon steel ferrous product, namely for galvanization, and its methods of production |
12/09/2010 | WO2010139664A1 Hot forming with inlay material |
12/09/2010 | WO2010101448A3 Stainless steel material having outstanding high-temperature strength, and a production method therefor |
12/09/2010 | US20100308612 Axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
12/09/2010 | US20100308505 Plastic injection mold of low carbon martensitic stainless steel |
12/09/2010 | US20100307644 Process for manufacturing cold-rolled and annealed steel sheet with a very high strength, and sheet thus produced |
12/09/2010 | US20100307641 High Carbon Steel Sheet Superior in Tensile Strength and Elongation and Method for Manufacturing the Same |
12/09/2010 | DE102008026387B4 Verfahren zum Herstellen einer komplexen wärmebehandelten, rohrförmigen Struktur A method for producing a complex heat-treated, tubular structure |
12/08/2010 | EP2258880A1 Process for production of thick high-tensile-strength steel plates |
12/08/2010 | EP2147127B1 Process for the production of a grain oriented magnetic strip |
12/08/2010 | CN1954088B Excellent cold-workability exhibiting high-strength steel wire or steel bar, or high-strength shaped article and process for producing them |
12/08/2010 | CN1803389B Method for manufacturing non-oriented electromagnetic steel sheet, and raw material hot rolling steel sheet |
12/08/2010 | CN101910426A Process for manufacturing stamped products, and stamped products prepared from the same |
12/08/2010 | CN101910425A A process for forming steel |
12/08/2010 | CN101906594A 900MPa level yield strength quenched and tempered steel plate and manufacturing method thereof |
12/08/2010 | CN101906593A Intercrystalline corrosion-free high temperature and pressure boiler steel pipe and manufacturing method thereof |
12/08/2010 | CN101906591A Ultra high strength ship plate steel and production method thereof |
12/08/2010 | CN101906587A Low carbon martensitic stainless steel and method for production thereof |
12/08/2010 | CN101906585A High-performance building structure refractory steel plates and manufacturing method thereof |
12/08/2010 | CN101906583A Heat resistance fiber material of catalyst carrier for purifying automobile exhaust and manufacturing method thereof |
12/08/2010 | CN101906582A Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component |
12/08/2010 | CN101906581A Vanadium and titanium contained non-oriented electrical steel with high magnetic induction and low iron loss and preparation method thereof |
12/08/2010 | CN101906580A Non-oriented electrical steel containing vanadium and titanium and preparation method thereof |
12/08/2010 | CN101906576A Hot continuous-milling steel plate and production method thereof |
12/08/2010 | CN101906575A High-strength economical X70 pipeline steel hot-rolling flat plate and production method thereof |
12/08/2010 | CN101906573A Alloy wire with wiedemann effect and preparation method thereof |
12/08/2010 | CN101906570A Tinning substrate for deep-punching food can and production method thereof |
12/08/2010 | CN101906568A High-grade large-strain pipeline steel and manufacturing method of steel pipe |
12/08/2010 | CN101906557A Ultralow-temperature welded alloy steel and production method thereof |
12/08/2010 | CN101906525A Method for correcting plane bending with high-precision thrust bearing ring |
12/08/2010 | CN101906519A Manufacture method of low yield ratio surface layer ultra fine grain low-carbon steel thick plate |
12/08/2010 | CN101906518A Post-forging heat treatment process for nickeliferous dilute alloy round steel |
12/08/2010 | CN101905244A Method for producing mandrel by utilizing 28NiCrMoV steel as raw material |
12/08/2010 | CN101545081B 780 mpa low yield ratio round steel pipe for building structure with excellent shock resistance and production process |
12/08/2010 | CN101440424B Method for rolling high weather resistance steel |
12/08/2010 | CN101423915B Reinforcement steel bar for medium-high strength hoop for rods for reinforcing concrete and method for producing the same |
12/08/2010 | CN101333633B Low carbon bainite type Nb-V composite microalloying non-quenched and tempered steel and method for preparing same |
12/08/2010 | CN101210297B Method for preparing tropism silicon steel |
12/08/2010 | CN101203340B Hot forging equipment |
12/07/2010 | US7846276 metal working; stretching the temper rolled alloy comprising nickel and iron; increases the length by 4%; high dimensional stability |
12/07/2010 | US7846275 cross section has a martensitic structure; free of titanium; metal working; high tensile strength with an excellent forming workability; low cost; use in reinforcing in a bumper, or a pillar of an automobile |
12/07/2010 | US7846274 tensile strength; specified alloy of given microstructure; made by cold working, heating, hot working, quenching to provide bursting resistance; accumulator for an air bag |
12/07/2010 | CA2351830C High strength steel plate having improved workability and plating adhesion and process for producing the same |
12/02/2010 | WO2010137317A1 High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets |
12/02/2010 | US20100300585 Low-density steel having good drawability |
12/02/2010 | US20100300584 Method for producing a shaped component having at least two structural regions of different ductility |
12/02/2010 | US20100300583 Process for the production of a grain oriented magnetic strip |