| Patents for C21D 8 - Modifying the physical properties by deformation combined with, or followed by, heat treatment (18,654) |
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| 08/17/2010 | US7776161 Cold-rolled steel sheet excellent in workability |
| 08/17/2010 | US7776160 An apparatus (10) includes a low-carbon steel tube (24). The low- carbon steel tube (24) yields plastically more than about 5% before fracturing at temperatures down to about -40 degrees C. when stress is applied to the low-carbon steel tube |
| 08/17/2010 | CA2471481C Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 08/12/2010 | WO2010090349A1 High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same |
| 08/12/2010 | WO2010090238A1 Age hardenable steel and method for producing mechanical parts |
| 08/12/2010 | WO2010089644A1 High-strength press hardened article, and manufacturing method therefor |
| 08/12/2010 | WO2010074463A3 High carbon steel sheet with superior heat treatment characteristics, and manufacturing method thereof |
| 08/12/2010 | WO2010074447A9 Non-oriented electrical steel sheets having high workability for client companies and manufacturing method thereof |
| 08/12/2010 | US20100200125 Method for making magnesium-based composite material |
| 08/12/2010 | DE19758918B4 Verfahren zur Herstellung von Stahlblechprodukten A process for producing steel sheet products |
| 08/12/2010 | CA2751705A1 High strength steel pipe for low-temperature usage having excellent buckling resistance and toughness of welded heat affected zone and method for producing the same |
| 08/11/2010 | CN101802237A Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 08/11/2010 | CN101802233A Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 08/11/2010 | CN101802232A Method for producing a surface-decarbonized hot-rolled strip |
| 08/11/2010 | CN101802230A A strip of steel having a variable thickness in length direction |
| 08/11/2010 | CN101798655A Micro-carbon aluminum-killed steel with low yield ratio and good deep drawing property and preparation method thereof |
| 08/11/2010 | CN101487096B Low-alloy high-strength C-Mn-Al Q & P steel and method of manufacturing the same |
| 08/11/2010 | CN101413048B Method for reducing hysteresis error of precipitated martensitic stainless steel |
| 08/11/2010 | CN101376953B High-corrosion resistant high-strength weather resisting steel and manufacturing method thereof |
| 08/11/2010 | CN101363102B TRIP steel sheet for high strength cold rolled continuous annealing and preparation method thereof |
| 08/11/2010 | CN101352805B Method for producing stainless steel composite steel plate |
| 08/11/2010 | CN101275201B Oriented electric steel plate and manufacturing method thereof |
| 08/11/2010 | CN101270455B 1000MPa grade nickel-saving type metastable austenite stainless steel |
| 08/11/2010 | CN101205595B Tough ultra-strength stainless steel and method for manufacturing the same |
| 08/11/2010 | CN101146924B Steel for oil well pipe having excellent sulfide stress cracking resistance and method for manufacturing seamless steel pipe for oil well |
| 08/10/2010 | CA2442068C Ultra-high-strength precipitation-hardenable stainless steel and elongated strip made therefrom |
| 08/05/2010 | WO2010087512A1 Heavy gauge, high tensile strength, hot rolled steel sheet with excellent hic resistance and manufacturing method therefor |
| 08/05/2010 | WO2010087511A1 Thick high-tensile-strength hot-rolled steel sheet with excellent low-temperature toughness and process for production of same |
| 08/05/2010 | WO2010087509A1 Corrosion resistant steel for crude oil tank, manufacturing method therefor, and crude oil tank |
| 08/05/2010 | CA2844718A1 Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof |
| 08/05/2010 | CA2750291A1 Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof |
| 08/05/2010 | CA2749409A1 Thick high-tensile-strength hot-rolled steel sheet with excellent low-temperature toughness and manufacturing method thereof |
| 08/04/2010 | CN101792847A Direct thermal treatment process technology after rolling steel plate |
| 08/04/2010 | CN101791650A Ultra-deep stretching method for stainless steel product and special mould thereof |
| 08/04/2010 | CN101791649A Die for differential-temperature drawing and straightening processing |
| 08/03/2010 | US7767044 Method for heat-treating steel material |
| 08/03/2010 | US7767037 containing a martensite phase as a primary phase and a ferrite phase, or further containing an austenite phase; heat resistance to high temperature; chemical resistant to CO2, chloride ions |
| 08/03/2010 | CA2500518C High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method |
| 07/29/2010 | US20100186856 High strength thin cast strip product and method for making the same |
| 07/28/2010 | EP2209924A1 Biocompatible material made of stainless steel having a martensitic surface layer |
| 07/28/2010 | EP2209923A1 A process for forming steel |
| 07/28/2010 | CN101787492A Manufacturing method of high quality and large size mandril blank |
| 07/28/2010 | CN101787486A Baking-aging resistant colored steel plate/strip and manufacturing method thereof |
| 07/28/2010 | CN101787420A Large-size mandril structure property control method |
| 07/28/2010 | CN101787419A Heat treatment process of AISI4340 steel forgings |
| 07/28/2010 | CN101514388B Thermo-mechanical treatment process used for high-carbon steel |
| 07/28/2010 | CN101358272B Method for preparing high grade non-oriented electrical steel adding rare earth cerium |
| 07/28/2010 | CN101186960B Method for producing wear-resisting hot-rolling steel plate by using furnace rolling machine and steel plate prepared by the same method |
| 07/27/2010 | US7763124 consists of 0.7 to 1.1% carbon, 0.2 to 2.0% siliconi, 0.4 to 2.5% manganese, 1.6 to 4.0% chromium, 0.1-0.5% molybdenum, 0.010 to 0.050% aluminum, and balance iron; is treated by quenching and tempering, has residual cementite and prior-austenite grains; bearings |
| 07/27/2010 | US7763123 Spring produced by a process comprising coiling a hard drawn steel wire excellent in fatigue strength and resistance to setting |
| 07/27/2010 | CA2254584C Non-ridging ferritic chromium alloyed steel |
| 07/22/2010 | WO2010082481A1 Case hardening steel, carburized component, and method for producing case hardening steel |
| 07/22/2010 | WO2010082395A1 Process for production of duplex stainless steel pipe |
| 07/22/2010 | WO2010082361A1 Steel for weld construction having excellent high-temperature strength and low-temperature toughness and process for producing the steel |
| 07/22/2010 | US20100180990 Impact beam comprising precipitation hardenable stainless steel |
| 07/21/2010 | CN201529846U Multi-legged stirring head of friction stir welding capable of improving welded seam performance |
| 07/21/2010 | CN1809648B Steel product excellent in characteristics of resistance to fatigue crack extension and method for production thereof |
| 07/21/2010 | CN101781738A Method for producing long-life die casting die material |
| 07/21/2010 | CN101781736A Yield strength 225MPa-level earthquake-resistant construction steel and production method thereof |
| 07/21/2010 | CN101545067B Method for producing pipe line steel J55 by RH refining technology |
| 07/21/2010 | CN101413049B Preparation of normalizing weldable fine grain steel plate with a yield strength of 420MPa |
| 07/21/2010 | CN101338400B High strength low-temperature-used low carbon bainite steel and production process thereof |
| 07/21/2010 | CN101139681B High grade cold rolling non-oriented silicon steel and method for manufacturing same |
| 07/20/2010 | US7758707 Martensitic stainless steel and method of the manufacture |
| 07/15/2010 | WO2010045937A3 Security cabinet |
| 07/15/2010 | WO2010030880A3 Free-machining powder metallurgy steel articles and method of making same |
| 07/15/2010 | US20100178527 Method for hot dip galvanizing of ahss or uhss strip material, and such material |
| 07/15/2010 | US20100175452 Method for hot rolling and for heat treatment of a steel strip |
| 07/14/2010 | EP2206799A1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 07/14/2010 | CN101778956A Process for the production of a grain oriented magnetic strip |
| 07/14/2010 | CN101775561A Low-yield-ratio and high strength thick plate and preparation process thereof |
| 07/14/2010 | CN101775555A Forging alloy steel and manufacturing process thereof |
| 07/14/2010 | CN101775547A Production method of high magnetic induction grain-oriented silicon steel strip |
| 07/14/2010 | CN101775544A Sulfuric acid dew point corrosion-resistant steel KNS and rolling method thereof |
| 07/14/2010 | CN101775543A HB400-grade wear-resisting steel plate and production method thereof |
| 07/14/2010 | CN101775540A Anti-aging steel plate with high machinability and manufacturing method thereof |
| 07/14/2010 | CN101775538A Technique for producing 500MPa level high-strength quake-proof reinforcing steel bar |
| 07/14/2010 | CN101775471A Method for producing low-carbon steel hot dip steel plate |
| 07/14/2010 | CN101775470A Production method of low-alloy complex-phase (Q and P) steel |
| 07/13/2010 | US7754143 corrosion resistance; solid solutions; useful as valve seat insert for internal combustion engines such as diesel engines |
| 07/13/2010 | US7754032 Method for manufacturing a high speed tool steel |
| 07/13/2010 | US7754030 Metal structure of a ferrite phase and a hard second phase dispersed in the ferrite phase; high strength with fast deformation, high absorption characteristics of impact energy, high workability; automobiles |
| 07/08/2010 | WO2010075797A1 Method for manufacturing grain oriented silicon steel with single cold rolling |
| 07/08/2010 | US20100172788 Cold rolledsteel sheet and method for manufacturing the same |
| 07/08/2010 | US20100170597 Metal Gasket and Method of Making |
| 07/08/2010 | US20100170596 Corrosion-resistant austenitic steel alloy |
| 07/08/2010 | DE102008063985A1 Producing hardened steel plate component, by heating sheet steel plate or preformed/finish-formed steel plate component at necessary temperature for hardening and then inserting into tool, in which plate/steel plate component is hardened |
| 07/07/2010 | EP2204463A1 Martensitic non-heat-treated steel for hot forging and non-heat-treated steel hot forgings |
| 07/07/2010 | CN101772584A High-strength steel sheet |
| 07/07/2010 | CN101772583A Hot-rolled shape steel for ships and process for manufacturing the same |
| 07/07/2010 | CN101768697A Method for manufacturing oriented silicon steel with one-step cold rolling method |
| 07/07/2010 | CN101768695A Ti microalloyed ultra-fine grained cold rolling dual-phase steel of 1,000MPa level and preparation method thereof |
| 07/07/2010 | CN101767282A Method for making wear-resistant composite tubes in cast iron/carbon steel honeycomb sandwich structure |
| 07/07/2010 | CN101514390B Method for producing high-strength finishing rolling threaded steel bar by online hardening and tempering technology |
| 07/07/2010 | CN101168823B Steel for high-plasticity continuous oil pipe and manufacturing method thereof |
| 07/06/2010 | US7749343 Method to produce steel sheet excellent in workability |
| 07/06/2010 | US7749339 manufacturing an airbag inflator bottle member having a reduced-diameter portion provided on the end of a tube for mounting an initiator or a lid plate, the portion having good low temperature toughness comparable to that of a portion which is not reduced in diameter |
| 07/01/2010 | WO2010074473A2 High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same |
| 07/01/2010 | WO2010074463A2 High carbon steel sheet with superior heat treatment characteristics, and manufacturing method thereof |
| 07/01/2010 | WO2010074458A2 High-strength cold rolled steel sheet having superior deep drawability and a high yield ratio, galvanized steel sheet using same, alloyed galvanized steel sheet, and method for manufacturing same |