Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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03/26/2014 | CN103667891A Alloy steel material of pump for delivering mixed acid liquid containing chloride radical, and preparation method thereof |
03/26/2014 | CN103667890A Alloy steel material for pump shaft and preparation method thereof |
03/26/2014 | CN103667880A High hole expansion steel plate with tensile strength of 440MPa and manufacturing method thereof |
03/26/2014 | CN103667669A Method for flattening manganese steel belt |
03/26/2014 | CN103667645A Cutting edge passivation and subzero treatment device for high speed steel rotary cutter |
03/26/2014 | CN103667644A Subzero treatment method and manufacturing method of outer casing thereof |
03/26/2014 | CN103667643A Heat treatment process for improving strength of PH13-8Mo stainless steel material |
03/26/2014 | CN103667619A Subcritical quenching technology of Cr5MoV cold-work mold steel |
03/26/2014 | CN103667617A Heat treatment process for improving impact toughness of 1Cr12Ni3Mo2VN turbine blade |
03/26/2014 | CN103667614A Heat treatment method for raising steel toughness |
03/26/2014 | CN103667613A Heat treatment method for preventing deformation of rolled steel |
03/26/2014 | CN102534395B Iron chromium soft magnetic alloy and its preparation method |
03/19/2014 | EP2707515A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained |
03/19/2014 | CN203487187U Liquid nitrogen subzero treatment foam heat preservation experimental device |
03/19/2014 | CN103643175A Alloy steel material for valve core and preparation method thereof |
03/19/2014 | CN103643174A Antimony scandium-containing high-hardness alloy steel material for bearings and preparation method thereof |
03/19/2014 | CN103643173A High temperature corrosion-resistant pump valve alloy steel material and preparation method thereof |
03/19/2014 | CN103643164A Red-hardness high alloy steel material for pump valves and preparation method thereof |
03/19/2014 | CN103643163A Alloy steel material for cobblestone crusher hammerhead and preparation method thereof |
03/19/2014 | CN103643162A Alloy steel material for hammerhead of pendulum for mine and preparation method thereof |
03/19/2014 | CN103643152A Method for strengthening chromium-nickel austenitic heat resistant steel through composition of multiple nanometer precipitated phases |
03/19/2014 | CN103643150A Hot rolled round steel for large-size vanadium steel draw bar with 650MPa-level yield strength and heat treatment technology thereof |
03/19/2014 | CN103643148A Formula and processing method of H-45 wear-resistant material |
03/19/2014 | CN103643142A High-hardness stainless steel material for bearings and preparation method thereof |
03/19/2014 | CN103643141A High-hardness alloy steel material for pump valves and preparation method thereof |
03/19/2014 | CN103643140A Highly wear-resistant pump shaft medium carbon steel material and preparation method thereof |
03/19/2014 | CN103643137A Alloy steel material for large-scale pump bearings and preparation method thereof |
03/19/2014 | CN103643132A High speed steel material for large-scale pump bearings and preparation method thereof |
03/19/2014 | CN103643128A High speed steel material for high temperature pump bearings and preparation method thereof |
03/19/2014 | CN103643113A Tungsten dysprosium-containing manganese steel material for bearings and preparation method thereof |
03/19/2014 | CN103643112A Alloy material for high temperature-resistant mine hammerhead and preparation method thereof |
03/19/2014 | CN103643105A Method for manufacturing manganese steel pipes |
03/19/2014 | CN103643103A Method for preparing tensile strength 700MPa grade hot-galvanizing phase transition induced plastic steel |
03/19/2014 | CN103643013A Cold treatment process of pressing plate of vehicle air conditioner |
03/19/2014 | CN103643012A Enhanced heat treatment testing method for steel |
03/19/2014 | CN103643001A Water mist cooling method for normalizing treatment of large-scale casting and forging |
03/19/2014 | CN103642995A Rolling method of low-carbon steel |
03/19/2014 | CN103639363A Preparation method of large abrasion-proof hollow grinding ball |
03/13/2014 | WO2014038705A1 Ultrafine crystal alloy ribbon, fine crystal soft magnetic alloy ribbon, and magnetic parts using same |
03/12/2014 | CN103628001A Alloy steel material for corrosion-resistant pump valve and preparation method thereof |
03/12/2014 | CN103628000A Alloy steel material for tungsten-containing mine hammerhead and preparation method thereof |
03/12/2014 | CN103627998A Alloy steel material for plate hammer for yttrium-containing mines and preparation method thereof |
03/12/2014 | CN103627996A High-chromium rare-earth alloy steel hammerhead material and preparation method thereof |
03/12/2014 | CN103627995A Alloy steel hammerhead material for medium-size crusher and preparation method thereof |
03/12/2014 | CN103627994A Corrosion-resistant high-chromium steel hammerhead material for mines and preparation method thereof |
03/12/2014 | CN103627993A Alloy steel hammerhead material for small-size crusher and preparation method thereof |
03/12/2014 | CN103627992A Wear-resistant medium-manganese steel hammerhead material and preparation method thereof |
03/12/2014 | CN103627990A Wear-resistant stainless steel hammerhead material for mines and preparation method thereof |
03/12/2014 | CN103627985A Alloy steel material for crushing hammerhead for tungsten/yttrium-containing ores and preparation method thereof |
03/12/2014 | CN103627983A Wear-resistant alloy steel material for mine crushing hammers and preparation method thereof |
03/12/2014 | CN103627982A Alloy material for high-boron high-wear-resistance hammerhead and preparation method thereof |
03/12/2014 | CN103627981A Alloy material for crusher hammerhead and preparation method thereof |
03/12/2014 | CN103627979A Large-sized pump bearing steel material and preparation method thereof |
03/12/2014 | CN103627978A Alloy steel material for niobium-containing mine hammerhead and preparation method thereof |
03/12/2014 | CN103627977A Alloy steel material for comb-tooth crusher hammerhead and preparation method thereof |
03/12/2014 | CN103627975A High-chromium alloy steel hammerhead material and preparation method thereof |
03/12/2014 | CN103627968A High-strength alloy steel lining plate material and preparation method thereof |
03/12/2014 | CN103627966A High-hardness medium-manganese steel hammerhead material and preparation method thereof |
03/12/2014 | CN103627965A High-hardness alloy steel hammerhead material and preparation method thereof |
03/12/2014 | CN103627959A Heat-resistant alloy steel liner plate material and preparation method thereof |
03/12/2014 | CN103627954A Quick-setting preparation method for tombarthite-iron-based magnetic cooling material |
03/12/2014 | CN103627871A Thermal treatment method for inhibiting and eliminating banded structure in low-alloy and heatproof steel tube |
03/12/2014 | CN103627864A Lifting device special for cold and heat treatment |
03/11/2014 | US8668790 Heat treatment method and components treated according to the method |
03/11/2014 | US8668789 Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatability |
03/06/2014 | WO2014034150A1 Carburized component |
03/06/2014 | US20140065563 Material heating method |
03/05/2014 | CN203462090U Water circulation fast-cooling device for high-temperature stainless steel workpiece |
03/05/2014 | CN103620076A Method for producing austenitic stainless steel and austenitic stainless steel material |
03/05/2014 | CN103617855A Neodymium iron boron magnetic material with excellent magnetic performance |
03/05/2014 | CN103614666A High-hardness and low-carbon steel material for pump valve and preparation method of high-hardness and low-carbon steel material |
03/05/2014 | CN103614662A Preparation method of austenite actual grain size detection sample of wear-resistant steel |
03/05/2014 | CN103614654A Alloy steel material used for engine shield and preparation method of the alloy steel material |
03/05/2014 | CN103614644A Highly-wear-resistant alloy steel material used for pump trucks and preparation method of the alloy steel material |
03/05/2014 | CN103614642A High-toughness alloy steel material used for shaft sleeves of centrifugal pumps and preparation method of the material |
03/05/2014 | CN103614641A Special high-chromium forged steel |
03/05/2014 | CN103614636A Hafnium-niobium stainless steel material used for pump valves and preparation method thereof |
03/05/2014 | CN103614630A Steel for high-strength bridge and manufacturing method of steel |
03/05/2014 | CN103614622A A low-temperature-resistant alloy material used for pump valve and a preparation method thereof |
03/05/2014 | CN103614620A High-strength wear-resistant alloy steel material and preparation method thereof |
03/05/2014 | CN103614530A Quenching process in production technology of suspension insulator cryogenic steel foot |
03/05/2014 | CN103614524A Heat treatment method for obtaining high durability of martensite heat-resistant steel |
03/05/2014 | CN103614523A Roller cold-treatment process |
03/04/2014 | US8663404 Heat treatment method and components treated according to the method |
03/04/2014 | US8663403 High corrosion resistance precipitation hardened martensitic stainless steel |
02/27/2014 | WO2014030606A1 Method for setting aging conditions and method for producing turbine vanes |
02/26/2014 | EP2699704A1 Method for manufacturing and utilizing ferritic-austenitic stainless steel |
02/26/2014 | CN203451570U Special cooling device for double-medium quenching heat treatment |
02/26/2014 | CN103602928A Wear-resistant alloy steel liner plate material with high strength, and preparation method thereof |
02/26/2014 | CN103602925A Method for heating Ni-containing steel and removing iron oxide scales |
02/26/2014 | CN103602923A Bucket tooth alloy and production method thereof |
02/26/2014 | CN103602912A Wear-resistant alloy steel lining plate material and preparation method thereof |
02/26/2014 | CN103602911A High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof |
02/26/2014 | CN103602797A High-hardness steel cut wire shot heat treatment technology |
02/26/2014 | CN103602795A Heat treatment method for high-strength high-hardness marine-corrosion-resistant non-magnetic steel |
02/25/2014 | US8657972 Development of a high strength high toughness steel |
02/20/2014 | WO2014028053A2 Steel article having improved contact fatigue resistance and a method of making |
02/20/2014 | DE112012001858T5 Metallurgisch verbundener rostfreier Stahl Metallurgically connected stainless steel |
02/19/2014 | CN103589965A Low-alloy high-strength cast steel and preparation method thereof |
02/19/2014 | CN103589962A Composite wear-resistant material obtained by casting method and preparation method of composite wear-resistant material |