| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/25/2009 | CN100463771C Bimetal cutter-saw-blade milling and processing method thereof |
| 02/25/2009 | CN100463770C Process for producing double-layer wrapped welding tube used for connecting indoor/outdoor units of air conditioner |
| 02/25/2009 | CN100463769C Process for growing crystal layer, machine component having the crystal layer andmethod for producing the machine component |
| 02/25/2009 | CN100463739C Inner step profile section ring parts rolling forming method |
| 02/25/2009 | CN100463733C Method for processing titanium pipe used for computer mobile hard disk main shaft sleeve |
| 02/24/2009 | US7495197 Method and apparatus utilizing first and second heating devices for heat treating a fuel assembly channel with induction heating |
| 02/24/2009 | US7494618 Alloy tool steel |
| 02/24/2009 | US7494553 Computer model simulating deformation of vehicular crash box to stress; effect a heat treatment on structure to produce a modified deformation behaviour; thermal gradient on chosen axes |
| 02/19/2009 | WO2009022208A1 Bonded structure of dissimilar metallic materials and method of joining dissimilar metallic materials |
| 02/19/2009 | WO2009021897A1 Dual-phase steel, flat product made of such dual-phase steel and method for producing a flat product |
| 02/19/2009 | WO2009021606A1 Manufacturing method and steel for heavy munition casings |
| 02/19/2009 | WO2009021279A1 Coating line control |
| 02/19/2009 | WO2008145871A3 Process for manufacturing cold-rolled and annealed steel sheets with very high strength, and sheets thus produced |
| 02/19/2009 | US20090047166 Low alloy steel, seamless steel oil country tubular goods, and method for producing seamless steel pipe |
| 02/19/2009 | US20090045556 Equipment and method for hardening treatment of metallic parts |
| 02/19/2009 | US20090044884 Treatment Process for Bars |
| 02/19/2009 | US20090044883 Method of making a seamless hot-finished steel pipe, and device for carrying out the method |
| 02/19/2009 | US20090044882 Oil well pipe for expandable tubular applications excellent in post-expansion toughness and method of manufacturing the same |
| 02/18/2009 | EP2025767A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 02/18/2009 | EP2025766A1 Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 02/18/2009 | EP2025765A1 Rolling bearing |
| 02/18/2009 | EP2025421A1 Process for producing seamless stainless-steel pipe |
| 02/18/2009 | EP2024522A1 Process for hardening an annular groove of a piston head by means of laser beams and a piston produced by the process |
| 02/18/2009 | EP1296798B1 Method and apparatus for flexible manufacturing a discrete curved product from feed stock |
| 02/18/2009 | CN201195742Y Reshaping baking lamp machine for glasses frame |
| 02/18/2009 | CN101370954A High-strength cold rolled steel sheet excelling in chemical treatability |
| 02/18/2009 | CN101370953A Cold-rolled steel sheet and method for manufacture thereof |
| 02/18/2009 | CN101370947A Method and device for the continuous creation of a bainite structure in a carbon steel, especially a strip steel |
| 02/18/2009 | CN101368275A 42CrMoE thermal treatment technique |
| 02/18/2009 | CN101368251A Steel plate for large-thickness hydrogen-contacting equipment and its production technology |
| 02/18/2009 | CN101368249A Steel for boiler and method of producing the same |
| 02/18/2009 | CN101368227A Thermal treatment method for nuclear in-pile component |
| 02/18/2009 | CN101367148A F92 base metal weld deposit cobalt based hard alloy process |
| 02/18/2009 | CN101367089A Method for manufacturing large-volume pure titanium or titanium alloy tape volume |
| 02/18/2009 | CN100462610C Stepwise type distributor |
| 02/18/2009 | CN100462468C Ultra-fine pearlite high-strength rail steel and its preparation method |
| 02/18/2009 | CN100462194C Method for producing nickel belt |
| 02/17/2009 | US7491891 copper, copper alloy, aluminum, aluminum alloy, carbon, nitrogen, manganese, chromium, nickle, iron; wire being twisted together, drawn, adjusted to predetermined diameter; heat-treated; automotive electric wires |
| 02/17/2009 | US7491449 Conductive core comprised of copper, and copper-silver cladding layer surrounding conductive core, copper-silver cladding layer is comprised of alpha phase and beta phase copper-silver solid solution; high electrical conductivity, low current loss and high anti-interference |
| 02/17/2009 | CA2403221C Heating furnace with regenerative burners and method of operating the heating furnace |
| 02/17/2009 | CA2379698C Cold rolled steel sheet and galvanized steel sheet having strain age hardenability |
| 02/17/2009 | CA2301597C Hot rolling high-strength steel structural members |
| 02/12/2009 | WO2009020134A1 Insulating coating treatment liquid for grain oriented electromagnetic steel sheet and process for manufacturing grain oriented electromagnetic steel sheet with insulating coating |
| 02/12/2009 | WO2009019418A1 A method of heat treating a superalloy component and an alloy component |
| 02/12/2009 | WO2008152275A3 Method and equipment for heating a metal strip, in particular for annealing |
| 02/12/2009 | US20090038718 Process for the manufacture of a containment device and a containment device manufactured thereby |
| 02/11/2009 | EP2022867A1 Spring wire rod excelling in fatigue characteristics |
| 02/11/2009 | EP2022866A1 Steel pipe as fuel injection pipe |
| 02/11/2009 | EP2022864A1 High-strength hot rolled steel sheet having excellent composite moldability |
| 02/11/2009 | EP2022598A1 Method of improving residual stress in tube body and device for improving residual stress |
| 02/11/2009 | EP2021716A1 Ceramic assembly |
| 02/11/2009 | EP2021517A1 Method for controlling a metal strip in a heat treatment furnace |
| 02/11/2009 | CN201193237Y Tunnel type heat treating furnace for sucker rod heated by natural gas |
| 02/11/2009 | CN101365918A Roller hearth furnace for heating and/or temperature equalisation of steel or steel alloy continuous cast products and arrangement thereof before a hot strip final rolling mill |
| 02/11/2009 | CN101365820A High-strength spring steel excellent in brittle fracture resistance and method for producing same |
| 02/11/2009 | CN101363078A Heat treatment method of steel belt for packages and steel belt for packages |
| 02/11/2009 | CN101363077A Isothermal spheroidizing technology of cold precision forging gear blank |
| 02/11/2009 | CN101362283A Manufacture method of ship rudder horn |
| 02/11/2009 | CN101362152A Intermediate-frequency quenching hard-surface strain roller and manufacture method thereof |
| 02/11/2009 | CN100460547C High-temperature-resistance FeNiCo constant-modulus alloy, preparation method thereof, and method for preparing components by using same |
| 02/11/2009 | CN100460530C Heat treatment system |
| 02/11/2009 | CN100460529C Vacuum dual-chamber high temperature quenching furnace |
| 02/11/2009 | CN100460528C Crawler bushing and method and device for producing the same |
| 02/11/2009 | CN100460527C Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
| 02/11/2009 | CN100460526C Longitudinal inductor and scanning quenching technology for stepped axle longitudinal inductor |
| 02/05/2009 | WO2009017258A1 Ferritic-austenitic stainless steel excellent in corrosion resistance and workability and process for manufacturing the same |
| 02/05/2009 | WO2009017256A1 High-strength steel sheet |
| 02/05/2009 | WO2009016881A1 High-strength steel sheet excellent in bendability and fatigue strength |
| 02/05/2009 | WO2008145327A8 Process for producing a locally hardened profile component, locally hardened profile component and use of a locally hardened profile component |
| 02/05/2009 | US20090033007 Martensitic stainless steel tube and manufacturing method thereof |
| 02/05/2009 | US20090032150 Oil country tubular good for expansion in well and manufacturing method thereof |
| 02/05/2009 | CA2693489A1 High-strength steel sheet |
| 02/04/2009 | EP2020451A1 Method of manufacturing sheets of steel with high levels of strength and ductility, and sheets produced using same |
| 02/04/2009 | CN201190177Y Thermal insulation device for rolled piece of rolling line |
| 02/04/2009 | CN201190176Y Shielding and liquid-blocking device of wheel gear quenching |
| 02/04/2009 | CN201190175Y Auxiliary device of steel tube inner spray quenching equipment |
| 02/04/2009 | CN201190174Y Fast-cooling device of heat treating workpiece |
| 02/04/2009 | CN201190172Y Steel tube quenching device |
| 02/04/2009 | CN201190171Y Quenching inductor of roll |
| 02/04/2009 | CN101360841A Production line control apparatus and method for control production line |
| 02/04/2009 | CN101358323A Seamless steel tube for 27SiMnB steel, cylinder and production method thereof |
| 02/04/2009 | CN101358279A Technique and method for preparing biconical roller of large-sized strip hot-rolling mill transport roller |
| 02/04/2009 | CN101358278A Intermediate frequency bent tube technique of heat-engine plant A335P92 steel |
| 02/04/2009 | CN101358277A Kick-out hook |
| 02/04/2009 | CN101358276A Quenching flume kick-out cooling means |
| 02/04/2009 | CN101358275A Upper layer heat exchange type continuous annealing furnace |
| 02/04/2009 | CN101357419A Preparation method of draught fan impeller |
| 02/04/2009 | CN100459818C Inner diameter surface induction heating coil |
| 02/04/2009 | CN100457957C Heat treating furnace thereby |
| 02/04/2009 | CN100457952C Casting high speed steel cutter and preparation method thereof |
| 02/04/2009 | CN100457927C Process of heating lead-containing free-cutting steel |
| 02/04/2009 | CN100457354C Pile-up welding method of turbine low pressure heater pipe plate and shell, water chamber junction |
| 02/04/2009 | CN100457309C Process for manufacturing blaster fuse frame copper alloy strip steel material used for integrate circuit |
| 02/04/2009 | CN100457306C Rolling process of male connecting plate for bridge truss |
| 02/04/2009 | CN100457305C Rolling process of female connecting plate for bridge truss |
| 02/03/2009 | US7485255 Self-annealing enclosure |
| 02/03/2009 | US7485197 Method for manufacturing martensitic stainless steel tube |
| 02/03/2009 | US7485194 By properly adjusting components steel is obtained with a dual phase microstructure mainly composed of ferrite and martensite to lower the mechanical characteristics, particularly the yield ratio; small arithmetic mean roughness; no die-galling occurs during press forming |
| 01/29/2009 | WO2009015052A1 Electric induction heat treatment |
| 01/29/2009 | WO2009014238A1 Steel pipes excellent in deformation characteristics and process for manufacturing the same |