| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 05/23/2012 | CN102471849A 高强度钢板及其制造方法 High strength steel sheet and manufacturing method thereof |
| 05/23/2012 | CN102471848A Stainless steel for fuel cell separators which has excellent electrical conductivity and ductility, and process for production thereof |
| 05/23/2012 | CN102471847A 带内表面突起的螺旋钢管及其制造法 Spiral steel pipe with an inner surface, and a manufacturing method of the protrusion |
| 05/23/2012 | CN102471844A 高强度钢板及其制造方法 High strength steel sheet and manufacturing method thereof |
| 05/23/2012 | CN102471842A 低循环弯曲疲劳强度优良的渗碳钢部件 Excellent low cycle bending fatigue strength carburizing steel components |
| 05/23/2012 | CN102471821A Process for production of cold-rolled steel sheet having excellent press moldability, and cold-rolled steel sheet |
| 05/23/2012 | CN102471820A Method for heat-treating a ring-shaped member, method for producing a ring-shaped member, ring-shaped member, bearing ring, rolling bearing, and method for producing a bearing ring |
| 05/23/2012 | CN102471816A 渗碳处理用的感应加热线圈及渗碳处理装置 The induction heating coil and a carburizing carburizing treatment apparatus used for treatment of |
| 05/23/2012 | CN102471815A Method for producing martensitic steel with mixed hardening |
| 05/23/2012 | CN102465235A X100 anti-large deformation pipe steel and manufacturing technology thereof |
| 05/23/2012 | CN102134683B Guide roller and preparation technique thereof |
| 05/23/2012 | CN102061376B Clamping device of crankshaft vibration stress relief |
| 05/23/2012 | CN102061375B Thermal treatment furnace for carrying out continuous heating and cooling circulation on steel wires |
| 05/23/2012 | CN102041370B Steel-top aluminium-skirt piston ring groove induction strengthened self-tempering preventor |
| 05/23/2012 | CN102021303B Pipe inner combustion type nodular casting iron pipe conformal furnace shell annealing furnace |
| 05/23/2012 | CN102010982B Method for binding band steel coil during annealing treatment in bell type furnace |
| 05/23/2012 | CN102010979B Steel wire through pipe type heating, water quenching and thermal insulation combined isothermal quenching device |
| 05/23/2012 | CN101942550B Heat treatment process for hollow drill collar |
| 05/23/2012 | CN101903547B Steel sheets and process for manufacturing the same |
| 05/23/2012 | CN101899562B Waste heat utilization steel strip heat treatment system |
| 05/23/2012 | CN101831595B Rapid cooling thermal treatment method of 21/4Cr-1Mo-1/4V steel forging and automatic temperature-control inflation three-dimensional circulating water |
| 05/23/2012 | CN101817015B Method for rolling and molding low-oxygen content aero titanium alloy precision sheet |
| 05/23/2012 | CN101812578B Flexible strip processing line suitable for producing various high-strength steel |
| 05/23/2012 | CN101802238B High-strength steel sheet excellent in bendability and fatigue strength |
| 05/23/2012 | CN101787492B Manufacturing method of high quality and large size mandril blank |
| 05/23/2012 | CN101724742B Heat treatment process of notch ductile steel bearing balls |
| 05/23/2012 | CN101688276B Thick hot-rolled steel sheet excellent in workability and excellent in strength and toughness after heat-treatment, and method for producing the same |
| 05/23/2012 | CN101455986B Crusher duplex metal abrasion-proof backing block and manufacture method thereof |
| 05/23/2012 | CN101429621B Nitrogen intensified high-carbon twin crystal inducement plastic steel material and its production technique |
| 05/23/2012 | CN101321885B Heat-treatment steel for high-strength spring |
| 05/23/2012 | CN101254562B Method for laser brazing with twinspot |
| 05/22/2012 | US8181331 Method for producing hardened parts from sheet steel |
| 05/22/2012 | CA2617391C An apparatus for cooling a metal strip |
| 05/22/2012 | CA2600701C Alloyed hot-dip galvanized steel sheet and method for producing same |
| 05/18/2012 | WO2012064223A1 Method and device for heat treating rails |
| 05/18/2012 | WO2012064129A2 Method for manufacturing high-strength cold-rolled/hot-rolled trip steel having a tensile strength of 590 mpa grade, superior workability, and low mechanical-property deviation |
| 05/18/2012 | WO2012063969A1 High-strength hot-dip galvanized steel sheet having excellent uniform elongation and plating properties, and method for manufacturing same |
| 05/18/2012 | WO2012063620A1 High-strength spring steel, method for producing high-strength spring, and high-strength spring |
| 05/18/2012 | WO2012063613A1 Ferritic stainless steel with excellent oxidation resistance |
| 05/18/2012 | WO2011139117A3 High-strength and high-toughness ultrafine wire rod and method for producing same |
| 05/18/2012 | WO2011107869A8 Method and device for localized induction hardening of circular mechanical component parts of large - size, in particular rings for rolling bearings |
| 05/17/2012 | US20120118443 Non-heat treated rolled steel and drawn wire rod with excellent toughness, and method for manufacturing the same |
| 05/17/2012 | US20120118441 Method of manufacturing heavy-wall seamless steel pipe |
| 05/17/2012 | US20120118425 High-strength steel pipe and producing method thereof |
| 05/16/2012 | EP2453033A1 Steel wire for high-strength spring |
| 05/16/2012 | EP2453032A1 High-strength steel sheet and manufacturing method therefor |
| 05/16/2012 | EP2452143A1 Device for separating atmospheres |
| 05/16/2012 | EP2028284B1 High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof |
| 05/16/2012 | EP2025767B1 Process for producing grain-oriented electrical steel sheet with high magnetic flux density |
| 05/16/2012 | CN202220196U Two-layer horizontal level loop |
| 05/16/2012 | CN202220195U Suspension type track used for horizontal level loop |
| 05/16/2012 | CN202220194U Efficient energy-conserving pipeline annealing machine |
| 05/16/2012 | CN202220193U Quenching device for long thin steel wire |
| 05/16/2012 | CN202220192U Heat-setting clamp in quenching process of metal seal ring |
| 05/16/2012 | CN202220191U Cooling device for technology for heating processing of parts of chains |
| 05/16/2012 | CN202220188U Induction-heating automatic quenching and tempering production line for creeper thread |
| 05/16/2012 | CN202220187U Annealing device for metallic articles |
| 05/16/2012 | CN202219999U Six-layer horizontal type loop |
| 05/16/2012 | CN202219998U Four-layer lying-type horizontal loop |
| 05/16/2012 | CN1672867B An apparatus and method for improving work surface during forming and shaping of materials |
| 05/16/2012 | CN102459678A Carburized component and manufacturing method therefor |
| 05/16/2012 | CN102459677A 耐硫化物应力破裂性优良的油井用高强度无缝钢管及其制造方法 Excellent resistance to sulfide stress cracking of oil wells with high strength seamless steel pipe and its manufacturing method |
| 05/16/2012 | CN102458669A 孔板及其制造方法 Orifice plate and manufacturing method thereof |
| 05/16/2012 | CN102453846A Heat treatment method for corrosion resistant alloy N08810 steel plate |
| 05/16/2012 | CN102453842A Special alloy steel and method for high-speed rail turnout integral sliding bedplate |
| 05/16/2012 | CN102453798A Intermediate drawing annealing machine |
| 05/16/2012 | CN102453797A One-time heat treatment method of integral high-speed steel cutter |
| 05/16/2012 | CN102453793A Annealing isolation agent used for preparing mirror surface-oriented silicon steel with excellent magnetic property |
| 05/16/2012 | CN102453791A Automobile column and method for producing a hot-formed and press-hardened automobile column |
| 05/16/2012 | CN101907145B Forming method for high-temperature alloy sine bellows spring |
| 05/16/2012 | CN101688264B Process for producing a locally hardened profile component, locally hardened profile component and use of a locally hardened profile component |
| 05/16/2012 | CN101592131B method for manufacturing ring forging of rotary support ring for wind power equipment |
| 05/15/2012 | US8177928 Method of restrained-quenching of annular member |
| 05/15/2012 | US8177925 High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof |
| 05/15/2012 | CA2540000C Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
| 05/15/2012 | CA2526488C A cold-rolled steel sheet having a tensile strength of 780 mpa or more an excellent local formability and a suppressed increase in weld hardness |
| 05/10/2012 | WO2012060330A1 Heat treatment method and heat treatment apparatus |
| 05/10/2012 | WO2012060294A1 High-strength cold-rolled steel sheet having excellent deep-drawability and bake hardenability, and method for manufacturing same |
| 05/10/2012 | DE102010020942B4 Spannvorrichtung und Verfahren zum Wärmebehandeln eines Langmaterials Clamping device and method for heat treating a long material |
| 05/10/2012 | CA2814193A1 High-strength cold rolled steel sheet having excellent deep drawability and bake hardenability and method for manufacturing the same |
| 05/09/2012 | EP2449144A2 Method for heating lightweight metal ingots |
| 05/09/2012 | EP2449138A1 Method for producing a component from an air-hardenable steel and component produced therewith |
| 05/09/2012 | EP2449137A1 Method for producing martensitic steel with mixed hardening |
| 05/09/2012 | CN202214420U Induction heating steel wire heat treatment system |
| 05/09/2012 | CN202214401U Cover type bright annealing furnace capable of simultaneously heat-treating nickel straps and nickel wastes |
| 05/09/2012 | CN202214400U Ring type heat treatment cover |
| 05/09/2012 | CN202214399U Precision steel ball heat treatment ball-passing sorting weighting device |
| 05/09/2012 | CN202214398U Double-faced induction heating device of quenching machining tool under protection of spiral bevel gear gas |
| 05/09/2012 | CN202214397U Protection device capable of preventing induction soft belt during quenching of camshaft |
| 05/09/2012 | CN202214396U Combined-type induction hardening device for camshafts |
| 05/09/2012 | CN202214395U Quenching device |
| 05/09/2012 | CN202214394U Turntable used for conveying steel cylinder |
| 05/09/2012 | CN202214393U Steel cylinder quenching and tempering device |
| 05/09/2012 | CN202214392U Stepping type cylinder thermal treatment furnace |
| 05/09/2012 | CN202214391U Thermal treatment furnace for steel cylinder |
| 05/09/2012 | CN202214387U Vertical quenching technological device of slender rod type part |
| 05/09/2012 | CN102449180A High strength steel sheet having excellent hydrogen embrittlement resistance |
| 05/09/2012 | CN102449178A Hot rolled sheet steel having excellent formability, and method for producing same |
| 05/09/2012 | CN102448650A Welding method and component |
| 05/09/2012 | CN102443895A Preparation method of novel wear-resistant steel wire ring |