| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/08/2012 | CN102348823A Cold-rolled steel sheet |
| 02/08/2012 | CN102348822A Boron-containing steel sheet with excellent hardenability and method of manufacturing same |
| 02/08/2012 | CN102348821A High-strength hot-dip galvanized steel sheet having excellent formability and method for producing same |
| 02/08/2012 | CN102348299A Method and apparatus for heating sheet material |
| 02/08/2012 | CN102345980A Surfacing composite furnace roller |
| 02/08/2012 | CN102345658A Bobtail high-strength rivet connection pair and manufacturing method thereof |
| 02/08/2012 | CN102345076A Steel for creeper tread with tensile strength of 1,500MPa and manufacturing method thereof |
| 02/08/2012 | CN102345009A Method for automatically correcting tracking process of heating furnace |
| 02/08/2012 | CN102345008A Temperature maintenance and/or heating apparatus for long metal products and relative method |
| 02/08/2012 | CN102345007A Core rod pushing device |
| 02/08/2012 | CN102345006A Method for manufacturing screw |
| 02/08/2012 | CN102345005A Alloy screw production method |
| 02/08/2012 | CN102345004A Heat processing apparatus for workpiece |
| 02/08/2012 | CN102344998A Method for determining quenching soaking time of shaft parts |
| 02/08/2012 | CN102343764A Method for improving traction force and braking power of wheel of traction engine and thermal treatment equipment |
| 02/08/2012 | CN102343504A Manufacturing method of bimetal cylinder |
| 02/08/2012 | CN102343499A Processing technique of stabilizer bar with metal limiting ring |
| 02/08/2012 | CN102343359A Temperature maintainance and/or heating apparatus for long metal products and the corresponding method |
| 02/08/2012 | CN101979676B Method for improving magnetic property of oriented silicon steel through laser scribing |
| 02/08/2012 | CN101857914B 高速铁路客车用25CrMo合金钢空心车轴材料的热处理方法 High-speed railway passenger car 25CrMo alloy steel heat treatment method of the hollow axle material |
| 02/08/2012 | CN101780492B 钛及钛合金多头螺旋管加工方法 Titanium and titanium alloy long spiral machining method |
| 02/08/2012 | CN101535517B 耐鳞爆性显著优良的搪瓷用钢板及其制造方法 Fishscale significantly superior enameling steel sheet and its manufacturing method |
| 02/08/2012 | CN101428305B 铜铁合金板、排、棒、管的生产工艺 Production processes copper alloy plate, row, rods, tubes |
| 02/08/2012 | CN101424296B 曲柄连杆的加工方法 Crank rod processing methods |
| 02/08/2012 | CN101410537B 双相不锈钢无缝管的制造方法 Duplex stainless steel seamless pipe manufacturing method |
| 02/07/2012 | CA2693787C Method for producing low yield strength cold rolled steel sheet excellent in uniformity |
| 02/07/2012 | CA2582409C High strength thin-gauge steel sheet excellent in elongation and hole expandability and method of production of same |
| 02/07/2012 | CA2528886C Production method of metal product, metal product, connection method of metal component and connection structure |
| 02/02/2012 | WO2012014926A1 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and processes for producing these |
| 02/02/2012 | WO2012014672A1 Method for manufacturing spring and device for heating by passage of electric current |
| 02/02/2012 | WO2012014522A1 Sliding member and method for producing same |
| 02/02/2012 | WO2012014290A1 Orientated electromagnetic steel sheet and manufacturing method for same |
| 02/02/2012 | WO2011130387A3 Induction heat treatment of an annular workpiece |
| 02/02/2012 | US20120024435 Method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill |
| 02/02/2012 | DE102010032919A1 Verfahren und Vorrichtung zum Befeuchten eines brennbaren Gases Method and device for moistening a combustible gas |
| 02/02/2012 | CA2806626A1 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same |
| 02/01/2012 | EP2412842A1 Hot-dip galvanized steel sheet and manufacturing method thereof |
| 02/01/2012 | EP2412840A1 High-strength and high-ductility steel for spring, method for producing same, and spring |
| 02/01/2012 | EP2412838A1 Steel sheet for cans which exhibits excellent surface properties after drawing and ironing, and process for production thereof |
| 02/01/2012 | EP2412837A1 Ferritic stainless steel plate having excellent heat resistance and excellent workability |
| 02/01/2012 | EP2412836A1 Maraging steel strip |
| 02/01/2012 | EP2412835A1 Bearing parts, rolling bearing, and process for production of bearing parts |
| 02/01/2012 | EP2412832A1 Grain-oriented electrical steel sheet and producing method therefor |
| 02/01/2012 | EP2412831A1 Process for producing grain-oriented magnetic steel sheet, grain-oriented magnetic steel sheet for wound core, and wound core |
| 02/01/2012 | EP2411752A1 Method for preheating annealing products in a hood-type annealing system |
| 02/01/2012 | EP2411548A1 Method for producing partially hardened steel components |
| 02/01/2012 | EP2235222B1 Rapid thermal treatment for enhancing bending stiffness and yield moment curved needles |
| 02/01/2012 | EP2133442B1 Low-alloy steel, seamless steel pipe for oil well, and process for producing seamless steel pipe |
| 02/01/2012 | CN202132693U 一种新型液氨填充系统 A new ammonia filling system |
| 02/01/2012 | CN202131343U 一种带自清洁功能的轧钢加热炉换热器过滤装置 A tape self-cleaning function of rolling mill furnace heat exchanger filtration device |
| 02/01/2012 | CN202131342U 莫来石浇注孔板 Mullite pouring orifice |
| 02/01/2012 | CN202131341U 铸管管模修复回火消应装置 Casting pipe mold repair Consumers should tempering device |
| 02/01/2012 | CN202131340U 焖火炉炉板 Stew stove stove plates |
| 02/01/2012 | CN202131338U 板簧可控压淬系统 Leaf spring controllable pressure quenching system |
| 02/01/2012 | CN202131337U Smoke exhausting device of whirlwind-type quenching tank |
| 02/01/2012 | CN202131336U Smoke extractor of quenching bath for large parts |
| 02/01/2012 | CN202131334U 一种调速推进式旋转淬火机 One kind of governor-propelled rotary hardening machine |
| 02/01/2012 | CN202131332U 一种大型轴承套圈淬火介质的搅拌装置 A large, bearing rings quenching medium mixing device |
| 02/01/2012 | CN102341521A 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 |
| 02/01/2012 | CN102341520A Steel for case-hardening treatment, case-hardened steel component, and method for producing same |
| 02/01/2012 | CN102341519A Cold-rolled steel sheet having excellent bendability, method for producing same, and member employing same |
| 02/01/2012 | CN102341518A Cold-rolled steel sheet and method for producing the same |
| 02/01/2012 | CN102341511A Oriented electrical steel sheet and method of producing same |
| 02/01/2012 | CN102341510A Coating method |
| 02/01/2012 | CN102341210A Method and apparatus for welding wires, including an annealing process prior to, during, or following the welding process, wires, and application of small pipe in the method |
| 02/01/2012 | CN102338079A Production method of high-pressure fracturing pump body |
| 02/01/2012 | CN102337533A Ferrum-chromium-aluminum blue surface treatment method |
| 02/01/2012 | CN102337480A Ultra-high strength steel plate with excellent environmental embrittlement resistance and fatigue resistance, and manufacturing method thereof |
| 02/01/2012 | CN102337472A Heat treatment method for piercing point of seamless pipe |
| 02/01/2012 | CN102337470A Thin container plate and production method thereof |
| 02/01/2012 | CN102337469A Novel shaft furnace tooth roller and manufacture process thereof |
| 02/01/2012 | CN102337466A High strength wear resistant shovel blade and manufacture method thereof |
| 02/01/2012 | CN102337389A Rust-removal corrosion-resisting thermal treatment method of rod and wire steel surface and rectangular burner used by same |
| 02/01/2012 | CN102337388A Device for correcting out-of-roundness of carburized and quenched gear ring and correction method |
| 02/01/2012 | CN102337387A Heat treatment process of sulfur-resistant petroleum drill rod joint |
| 02/01/2012 | CN102337385A Multi-cycle quenching-partitioning-tempering (M Q-P-T) technique |
| 02/01/2012 | CN102337383A High-frequency automatic quenching machine for reverse gear shafts of transmission cases |
| 02/01/2012 | CN101815803B 二相不锈钢线材、钢线及螺栓及其制造方法 Two-phase stainless steel wire, steel wire and bolts and a method of manufacturing |
| 02/01/2012 | CN101804438B 大中型铝合金空心盘形锻件的轧制成形方法 Roll-forming method and medium-sized disc-shaped hollow aluminum forgings |
| 02/01/2012 | CN101800109B 一种软磁性能高的低成本的铁基非晶合金 A soft magnetic properties of high-cost iron-based amorphous alloy |
| 02/01/2012 | CN101748346B 一种高等级别耐磨钢板及其生产方法 Higher levels of one kind of wear-resistant steel and its production method |
| 02/01/2012 | CN101568726B 斜板式活塞泵·马达及其制造方法 The swash plate type piston pump · motor and manufacturing method thereof |
| 01/31/2012 | CA2709509C Methods for manufacturing high strength hot-dip galvanized steel sheet and high strength hot-dip galvannealed steel sheet |
| 01/31/2012 | CA2497870C Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 01/26/2012 | WO2012011598A1 High-carbon hot-rolled steel sheet having excellent fine blanking properties and process for production thereof |
| 01/26/2012 | WO2012011442A1 Electromagnetic steel sheet and process for production thereof |
| 01/26/2012 | US20120018061 Liquid quench |
| 01/25/2012 | EP2408940A1 Method of manufacturing a bearing ring |
| 01/25/2012 | CN202124652U Low-cost detachable annealing feed rack for bell-type furnace |
| 01/25/2012 | CN202124651U Electromagnetic thermal treatment furnace |
| 01/25/2012 | CN202124650U Steel wire radiating heat treatment furnace |
| 01/25/2012 | CN202124649U Novel wire thermal treatment furnace |
| 01/25/2012 | CN202124648U Novel steel wire tempering production equipment |
| 01/25/2012 | CN202124647U Flange integrated heat treatment device |
| 01/25/2012 | CN202124641U Novel quick cooling cover |
| 01/25/2012 | CN202124640U Profiling inductor of inner cavity of channel |
| 01/25/2012 | CN102333901A High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor |
| 01/25/2012 | CN102333899A Hot rolled steel sheet having excellent punching workability and fatigue properties, hot dip galvanized steel sheet, and method for producing the same |
| 01/25/2012 | CN102330027A 120ksi primary grade sulfur-resistant drill pipe and manufacturing method thereof |
| 01/25/2012 | CN102330013A Nodular cast iron roller of hot rolled seamless steel tube tandem mill and preparation method thereof |