| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 09/23/2008 | CA2424491C High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same |
| 09/18/2008 | WO2008110670A1 Steel for hot working or quenching with a tool having an improved ductility |
| 09/18/2008 | WO2008110193A1 Heat treatment furnace with negative pressure compensation |
| 09/18/2008 | WO2008110133A1 Method for the treatment of metal sheets |
| 09/18/2008 | US20080226396 Seamless steel tube for use as a steel catenary riser in the touch down zone |
| 09/18/2008 | DE102007012885A1 Sintering frame for sintering products in furnaces comprises a deposition element divided in the storage direction into an upper layer for a sintered product and a lower layer on which the upper layer is arranged |
| 09/18/2008 | CA2680943A1 A seamless steel tube for use as a steel catenary riser in the touch down zone |
| 09/17/2008 | EP1970457A1 Method for control of cooling of steel plate |
| 09/17/2008 | EP1970456A1 Heat treatment furnace |
| 09/17/2008 | EP1969149A2 Thermal isolation screen for isolating an electromagnetic inductor, and heat treatment installation comprising such a screen |
| 09/17/2008 | EP1969148A1 Method for manufacturing high strength steel strips with superior formability and excellent coatability |
| 09/17/2008 | CN201116305Y Ring shaped pipeline structure for steel plate cold-controlling equipment |
| 09/17/2008 | CN101268203A Process for manufacturing cold-formed precision steel pipes |
| 09/17/2008 | CN101266174A Thermocouple unit for casting ingot heating stove measuring aluminum ingot temperature |
| 09/17/2008 | CN101265854A Laser welding forged steel integral piston with closed inner-cooling oil recess and its fabrication process |
| 09/17/2008 | CN101265557A Rotary compressor roller material and method for producing roller |
| 09/17/2008 | CN101265556A Method for producing ultra-high strength chromium series cast iron board band |
| 09/17/2008 | CN101265516A Steel band quenching technique and cooling medium used for the same |
| 09/17/2008 | CN101265515A Steam turbine rotor local destressing heat treatment method |
| 09/17/2008 | CN101265514A Composite heat treatment method for 30CrMnSiA steel thin wall spinning cylinder-shape element |
| 09/17/2008 | CN101264572A Cable copper strip and processing technique thereof |
| 09/17/2008 | CN101264571A Preparation of Bi-2212/Ag superconducting tape |
| 09/17/2008 | CN101264507A Steel-forged ball processing technique |
| 09/17/2008 | CN100419111C Sulfur-preventing oil well pipe and its production process |
| 09/17/2008 | CN100419107C Steel bar for steering rack, method for producing the same, and steering rack using the same |
| 09/17/2008 | CN100419097C Catenary type furnace |
| 09/17/2008 | CN100419096C Netted belt furnace for heating roller with both oil and electricity |
| 09/17/2008 | CN100419095C U-shaped afterheat utilizing annealing furnace below roller |
| 09/17/2008 | CN100419094C Process for removing mixed crystal defect of large rotor forging |
| 09/17/2008 | CN100419093C Support for structural components to be thermally treated, comprises frame with limbs, and grid of intersecting strands |
| 09/17/2008 | CN100418697C High magentic induction oriented electrical steel sheet and its manufacturing method |
| 09/16/2008 | US7425240 Method for the production of a siderurgical product made of carbon steel with a high copper content |
| 09/12/2008 | WO2008109073A1 Method and apparatus to relieve residual stress or distortion in a heat processed article by applying first heat and then pressure |
| 09/12/2008 | WO2008108487A1 High-strength hot-rolled steel plate excellent in low-temperature toughness for spiral pipe and process for producing the same |
| 09/12/2008 | WO2008108363A1 Cold-rolled steel sheet, galvannealed steel sheet and processes for production of both |
| 09/12/2008 | WO2008108288A1 Maintenance and repair device for structure inside nuclear reactor |
| 09/12/2008 | WO2008108248A1 Thrust bearing |
| 09/12/2008 | WO2008108044A1 High tensile cold rolled steel plate and method for manufacturing the cold rolled steel plate |
| 09/12/2008 | WO2008107660A1 Method of relieving residual stress in a welded structure |
| 09/11/2008 | US20080216927 Ferrite steel containing chromium; tempering; heat treatment; stress resistance |
| 09/11/2008 | US20080216925 Method and apparatus for producing scale-free sheet metal |
| 09/10/2008 | EP1967612A1 Electromagnetic steel sheet having insulating coating film and method for producing same |
| 09/10/2008 | EP1967611A1 Electromagnetic steel sheet having insulating coating film and method for producing same |
| 09/10/2008 | EP1966407A1 Spring steel, method for producing a spring using said steel and a spring made from such steel |
| 09/10/2008 | EP1966397A1 Method for adjusting hardness of a sheet like product. |
| 09/10/2008 | EP1965957A1 Automated control of razor blade colorization |
| 09/10/2008 | CN101263234A Hearth roll apparatus for annealing furnace |
| 09/10/2008 | CN101260495A Method for manufacturing 590MPa stage low yield ratio low carbon equivalent weight steel plate for building |
| 09/10/2008 | CN101260457A Multifunctional steel wire induction heating heat-treatment device and method |
| 09/10/2008 | CN101259582A Preparation of seamless special-shaped steel pipe for low temperature resistance oil derrick electric transmission pole tower |
| 09/10/2008 | CN101259483A Production method of hard state 304 precision stainless steel band |
| 09/09/2008 | US7422643 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance |
| 09/04/2008 | WO2008105524A1 Steel sheet for cans, hot-rolled steel sheet to be used as the base metal and processes for production of both |
| 09/04/2008 | WO2008105209A1 Component for constant velocity universal joint and method for manufacturing the component |
| 09/04/2008 | WO2008104610A1 Method for annealing a strip of steel having a variable thickness in length direction |
| 09/04/2008 | WO2008104360A1 Method for shaping a blank, and cooling device for a blank |
| 09/04/2008 | WO2008104051A1 Hot runner system with composite nozzle tip |
| 09/04/2008 | US20080210351 Formed product and method for production thereof |
| 09/04/2008 | US20080210346 Method of Manufacturing Super Formable High Strength Steel Sheet |
| 09/04/2008 | CA2679432A1 Method for shaping a blank, and cooling device for a blank |
| 09/03/2008 | EP1964940A1 Method of carbonitriding, process for producing machine part, and machine part |
| 09/03/2008 | EP1964935A1 Link chain excellent in low-temperature toughness and method for heat treatment thereof |
| 09/03/2008 | EP1771586B1 Method for the production of snap disks |
| 09/03/2008 | CN201109790Y Windowing type fire door |
| 09/03/2008 | CN101258255A Martensitic stainless steel sheet for heat-resistant disc brake having excellent hardenability |
| 09/03/2008 | CN101255532A Ferrite series stainless steel plate having excellent formability with small roughness of machining surface and method for manufacturing same |
| 09/03/2008 | CN101255491A Large die-casting mould micro-deformation vacuum heat treatment process |
| 09/03/2008 | CN101255489A Device for eliminating gas-cutting hardening layer of railway wheel sample and technical method |
| 09/03/2008 | CN101255487A Roller quenching inducer and method of use thereof |
| 09/03/2008 | CN101254577A Manufacturing method of ultra low temperature and high intensity fine grain simple steel flange |
| 09/03/2008 | CN101254562A Method for laser brazing with twinspot |
| 09/03/2008 | CN101254518A 1Mn18Cr18N steel guard ring forgeable piece forging technique for electric generating set |
| 09/03/2008 | CN100415922C Steel pipe for an airbag system and a method for its manufacture method |
| 09/03/2008 | CN100415921C High strength thin steel sheet excellent in hole expansibility and ductility |
| 09/03/2008 | CN100415404C Forming processing technics for stainless steel flume |
| 09/02/2008 | US7419634 For use in a magnetic head, a magnetic shielding material, an iron core of a transformer or the like and having excellent magnetic properties |
| 09/02/2008 | US7419553 Carburization of steels comprising iron, molybdenum, chromium and vanadium, to form alloys having wear and oxidation resistance, for use in automobile combustion chambers |
| 09/02/2008 | CA2450521C Method for manufacturing high chromium system seamless steel pipe |
| 08/28/2008 | WO2008102899A1 Processes for production of steel sheets for cans |
| 08/28/2008 | WO2008102573A1 High-strength spring steel wire, high-strength springs and processes for production of both |
| 08/28/2008 | WO2008102012A1 Method of thermomechanical shaping a final product with very high strength and a product produced thereby |
| 08/28/2008 | WO2008101567A1 Method and apparatus for the temperature-controlled shaping of hot-rolled steel material |
| 08/28/2008 | US20080202652 Ferrous seal sliding parts and producing method thereof |
| 08/28/2008 | US20080202650 Heat Treatment Method For Monocrystalline or Directionally Solidified Structural Components |
| 08/28/2008 | US20080202640 Manufacturing method of rocker arm bearing apparatus |
| 08/28/2008 | US20080202187 Method for Straightening Hot Profiled Sections |
| 08/27/2008 | EP1961832A1 Use of a steel alloy as a substance for producing dynamically loaded tube components and tube component |
| 08/27/2008 | EP1961830A1 Iron-based alloy having shape-memory property and superelasticity and method for manufacture thereof |
| 08/27/2008 | EP1740735B1 Heat treatment method for monocrystalline or directionally solidified structural components |
| 08/27/2008 | CN201106062Y Bimetallic wire continuous on-line annealing apparatus |
| 08/27/2008 | CN201106058Y Sealing arrangement of heating furnace |
| 08/27/2008 | CN201105929Y Steel-band running deviation control device |
| 08/27/2008 | CN101250673A Ultrahigh strength abrasion resistant steel and method of preparing the same |
| 08/27/2008 | CN101250671A Petroleum casing pipe with high-strength and high ductility as well as manufacturing method thereof |
| 08/27/2008 | CN101250665A Method for preparing high-power AC transmission power car axle |
| 08/27/2008 | CN101250620A Method for avoiding cold rolled strip bonding and bonding-free hood-type annealing furnace |
| 08/27/2008 | CN101249522A Production method of oval-shaped posted sides micropore copper pipe |
| 08/27/2008 | CN101249521A Production method of posted sides micropore copper pipe |
| 08/27/2008 | CN101249507A Oilfield waste and old oil passageway renovate method |
| 08/27/2008 | CN101249503A Production method for faulting heat bridge solid steel section bar |