| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/27/2013 | CN202755033U Novel soaking pit furnace cover |
| 02/27/2013 | CN202755032U Pinch roll device for tapping machine |
| 02/27/2013 | CN202755031U Feeding and discharging device for ingot blank getting in and getting out heating furnace |
| 02/27/2013 | CN202755030U Bell-type furnace diffuser top plate |
| 02/27/2013 | CN202755029U Hydrogen anti-oxidation cooling tank for bright heat treatment production line |
| 02/27/2013 | CN202755028U Novel valve cap shape quenching sensor |
| 02/27/2013 | CN202755027U Pulley heat treatment device |
| 02/27/2013 | CN102947476A Cold-rolled thin steel sheet having excellent shape fixability, and process for production thereof |
| 02/27/2013 | CN102943270A Preparation method of tire bead steel wire |
| 02/27/2013 | CN102943170A Adjustable wind shielding plate for austenite furnace mouth |
| 02/27/2013 | CN102943169A Quenching and annealing preparation method of ultrahigh-strength thin steel plate for automobiles |
| 02/27/2013 | CN102943168A Heat treatment process for rolling bearing |
| 02/27/2013 | CN102943167A Soft-area-free manufacturing technology for steel-forging cold roller |
| 02/27/2013 | CN102943166A Automatic oil-control device after quenching of bowl-shaped workpiece |
| 02/27/2013 | CN102943164A High yield-strength ratio SPCC (steel plate cold commercial) thin steel plate cold rolling and continuous annealing process method |
| 02/27/2013 | CN102943161A Automatic water circulation screw rod quenching device |
| 02/27/2013 | CN102943160A Annealing method for stress relief of hexagonal head bolt |
| 02/27/2013 | CN102943159A Novel process for reduction of die heat treatment distortion |
| 02/27/2013 | CN102943157A Isothermal quenching process for 5Cr5WMoSiV shear blade |
| 02/27/2013 | CN102943155A Novel high-temperature quenching technology for T10 steel cold extrusion die |
| 02/27/2013 | CN102943154A Processing method of surface hardening cast iron sleeve |
| 02/27/2013 | CN102943153A Thermomagnetic treatment device and method for magneto-resistive elements of spin valves |
| 02/27/2013 | CN102941880A Car-body side structure |
| 02/27/2013 | CN102941447A Manufacture machining process of bolt |
| 02/27/2013 | CN102941394A Method for overlaying welding of duplex stainless steel |
| 02/27/2013 | CN102941346A Preparation method of powder metallurgy forming of multi-way valve body |
| 02/27/2013 | CN102941335A Vacuum suction casting device, formula and preparation method for AlNiCo permanent-magnet alloy casting |
| 02/27/2013 | CN102941237A Method for manufacturing low-hardness steel wire |
| 02/27/2013 | CN102433428B Furnace temperature controlling method in heating process of plate blank of heating furnace |
| 02/27/2013 | CN102220545B High-carbon and high-strength heat-treated steel rail with high wear resistance and plasticity and manufacturing method thereof |
| 02/27/2013 | CN101942549B Heat treatment process for adjusting valve disc forge piece of supercritical steam turbine unit |
| 02/27/2013 | CN101845591B Copper-steel composite material and preparation method thereof |
| 02/27/2013 | CN101168167B Deformation magnesium alloy belt type rolling method |
| 02/26/2013 | US8382919 Process of forming nanocrystal layer |
| 02/26/2013 | US8382918 Steel wire material for spring and its producing method |
| 02/26/2013 | CA2700655C Steel pipe with excellent expandability and method for producing the same |
| 02/21/2013 | WO2013024876A1 Spring steel and spring |
| 02/21/2013 | WO2013024861A1 High strength steel plate with excellent warm and room-temperature formability and warm forming method thereof |
| 02/21/2013 | WO2013024860A1 High-strength hot-rolled steel plate |
| 02/21/2013 | WO2013024772A1 Method for producing oriented magnetic steel sheet |
| 02/21/2013 | WO2013023903A1 Method for operating a continuous annealing line for the processing of a rolled good |
| 02/21/2013 | US20130044852 Treatment of a heater tube intended for a pressurizer of the primary cooling system of a nuclear reactor |
| 02/21/2013 | US20130042950 Hot rolling mill and method for hot rolling a metal strip or sheet |
| 02/21/2013 | DE112004000474B4 Verfahren zur Herstellung einer hochfesten Feder A process for producing a high-strength spring |
| 02/21/2013 | DE102004003541B4 Stahl zur Verwendung in einer hochfesten Ritzelwelle und Herstellungsverfahren hierfür Steel for use in high strength pinion shaft and manufacturing method thereof |
| 02/21/2013 | DE10124393B4 Hitzebeständiger Stahl, Verfahren zur thermischen Behandlung von hitzebeständigem Stahl, und Kompenten aus hitzebeständigem Stahl A heat-resistant steel, process for the thermal treatment of heat-resistant steel, heat-resistant steel and Kompenten from |
| 02/20/2013 | EP2559783A1 High-strength hot-rolled steel plate exhibiting excellent stretch flangeability and fatigue resistance properties, and production method therefor |
| 02/20/2013 | EP2559782A1 High-strength hot-dip galvanized steel sheet with excellent formability and impact resistance, and process for producing same |
| 02/20/2013 | EP2559781A1 Spring and method for producing same |
| 02/20/2013 | EP2559775A1 Method for manufacturing a grain-oriented electrical steel sheet |
| 02/20/2013 | EP2559319A2 Induction heat treatment of an annular workpiece |
| 02/20/2013 | EP2558807A1 Method for pre-heating annealing material in a hood-type annealing system |
| 02/20/2013 | CN202744614U 锆合金板坯淬火装置 Zirconium alloy slab hardening apparatus |
| 02/20/2013 | CN202744607U Sealing device of inlet of vertical type annealing furnace |
| 02/20/2013 | CN202744606U Upright steel strip circular continuous annealing furnace |
| 02/20/2013 | CN202744605U Material roll supporting seat |
| 02/20/2013 | CN202744604U Steel pipe annealing and discharging device |
| 02/20/2013 | CN202744603U Moveable homogenizing furnace |
| 02/20/2013 | CN202744602U Quenching groove used for grinding ball |
| 02/20/2013 | CN202744601U Afterheat quenching lifting quenching machine of automobile front axle forged piece |
| 02/20/2013 | CN202744600U Large multi-functional roll quenching machine |
| 02/20/2013 | CN202744599U Quenching medium temperature control device for grinding ball |
| 02/20/2013 | CN202744595U Induction quenching cooling water well for cold roll |
| 02/20/2013 | CN202744594U Crawler belt medium-frequency heating inductor |
| 02/20/2013 | CN202744592U Induction hardening device for gear ring |
| 02/20/2013 | CN202741448U Full-automatic continuous annealing wire drawing machine |
| 02/20/2013 | CN102939399A Hot-stamp-molded article, process for production of steel sheet for hot stamping, and process for production of hot-stamp-molded article |
| 02/20/2013 | CN102939394A Method of producing an austenitic steel |
| 02/20/2013 | CN102936700A Full bainitic steel frog and manufacturing method thereof |
| 02/20/2013 | CN102936691A Method for manufacturing oil casings made of R95-grade steel containing rare earth |
| 02/20/2013 | CN102936686A Production method of L80-1 steel-grade oil casings with low cost |
| 02/20/2013 | CN102936682A Production method of N80Q steel-grade oil casings |
| 02/20/2013 | CN102936681A Method for manufacturing rollers by using high-speed steel |
| 02/20/2013 | CN102936646A Tension removing device for precise stainless steel strip |
| 02/20/2013 | CN102936645A Worm heat treatment process |
| 02/20/2013 | CN102936642A Well type cyclic annealing process for bare copper flat wire |
| 02/20/2013 | CN102936641A Tire bead wire tempering device and method |
| 02/20/2013 | CN102935583A Process for manufacturing pattern roller |
| 02/20/2013 | CN102392116B Loading method of thin-wall annular part |
| 02/20/2013 | CN102268601B 50Cr3MoV steel for back-up roll and heat treatment method for steel |
| 02/20/2013 | CN102268588B Steel pipe reducing mill or sizing mill nodular cast iron roller and preparation method thereof |
| 02/19/2013 | US8377238 Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines |
| 02/19/2013 | CA2683739C Hot dip plated high strength steel sheet for press forming use superior in low temperature toughness and method of production of the same |
| 02/19/2013 | CA2551233C Welding unit for welding together two rails of a track and method |
| 02/14/2013 | WO2013022700A1 Tailored hardening ofcold pressed steel blank |
| 02/14/2013 | WO2013022043A1 Hot-rolled steel sheet having high yield ratio and excellent low-temperature impact energy absorption and haz softening resistance and method for producing same |
| 02/14/2013 | WO2013022033A1 Material for springs, manufacturing process therefor, and springs |
| 02/14/2013 | WO2013022010A1 Hot-dip galvanized steel sheet and production method therefor |
| 02/14/2013 | WO2013022008A1 Hot-dip galvanized steel sheet and production method therefor |
| 02/14/2013 | WO2013021828A1 Compression coil spring and method for producing same |
| 02/14/2013 | US20130037180 High-strength cold-rolled steel sheet and method of manufacturing thereof |
| 02/14/2013 | CA2844202A1 Hot-dip galvanized steel sheet and method for manufacturing the same |
| 02/14/2013 | CA2843588A1 High yield ratio hot rolled steel sheet which has excellent low temperature impact energy absorption and haz softening resistance and method of production of same |
| 02/13/2013 | EP2557196A1 Bainitic steel for moulds |
| 02/13/2013 | EP2557194A1 Oxidation-resistant ferritic stainless steel, method of manufacturing the same, and fuel cell interconnector using the ferritic stainless steel |
| 02/13/2013 | EP2557193A1 High-strength steel sheet having excellent hot rolling workability, and process for production thereof |
| 02/13/2013 | EP2557191A1 Wire material for saw wire and method for producing same |
| 02/13/2013 | EP2557189A1 Ferrite stainless steel sheet having high thermal resistance and processability, and method for manufacturing the same |
| 02/13/2013 | EP2557183A1 Method for operating a continuous annealing line for processing a milled item |
| 02/13/2013 | EP2556317A1 Method and device for treatment of continuous or discrete metal products |