| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 09/12/2013 | WO2013133259A1 Ferrite-austenite 2-phase stainless steel plate having low in-plane anisotropy and method for producing same |
| 09/12/2013 | WO2013133166A1 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article |
| 09/12/2013 | WO2013133165A1 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article |
| 09/12/2013 | WO2013133164A1 Process for producing press-formed product, and press-formed product |
| 09/12/2013 | WO2013133137A1 Process for producing press-formed product and press-formed product |
| 09/12/2013 | WO2013133076A1 Method for producing high-strength steel material having excellent sulfide stress cracking resistance |
| 09/12/2013 | WO2013133070A1 Steel wire rod with excellent spring workability for high-strength spring, process for manufacturing same, and high-strength spring |
| 09/12/2013 | WO2013133042A1 Metal pipe manufacturing method and manufacturing equipment |
| 09/12/2013 | WO2013132823A1 Warm press forming method and automobile frame component |
| 09/12/2013 | WO2013132821A1 Warm press forming method and automobile frame component |
| 09/12/2013 | WO2013132816A1 Steel sheet for hot pressing, manufacturing process therefor, and process for producing hot-pressed member using same |
| 09/12/2013 | WO2013132796A1 High-strength cold-rolled steel sheet and process for manufacturing same |
| 09/12/2013 | WO2013132575A1 Machined part manufacturing method and machined part |
| 09/12/2013 | WO2013131849A1 Bolt-like fastening element, in particular drilling screw, and connection established thereby |
| 09/12/2013 | WO2013131212A1 Method for producing silicon steel normalizing substrate |
| 09/12/2013 | WO2013131211A1 Method for producing silicon steel normalizing substrate |
| 09/12/2013 | DE102012004725A1 Siliziumhaltige Kupfer-Nickel-Zink-Legierung Silicon-containing copper-nickel-zinc alloy |
| 09/12/2013 | CA2849287A1 Method for producing high-strength steel material excellent in sulfide stress cracking resistance |
| 09/11/2013 | EP2636762A1 High-strength cold-rolled steel sheet having excellent deep-drawability and bake hardenability, and method for manufacturing same |
| 09/11/2013 | EP2635716A2 Uv laser exposure of housings and components of door drives and door closers |
| 09/11/2013 | EP2562272A9 Method for producing steel product having excellent mechanical properties, steel product produced with the method and its use |
| 09/11/2013 | CN203187727U Lead dust treatment device for lead patenting |
| 09/11/2013 | CN203187726U Bracket for placing copper wire coil during annealing |
| 09/11/2013 | CN203187725U Waste heat recovery device in heat treatment process of steel wire |
| 09/11/2013 | CN203187724U Carburizing and quenching fixture for gear shaft |
| 09/11/2013 | CN203187723U Roller-hearth type continuous solid melting furnace with energy recovery device |
| 09/11/2013 | CN203187722U High-frequency automatic tempering machine |
| 09/11/2013 | CN203187717U Chain plate conveying type grinding ball quenching machine |
| 09/11/2013 | CN203187715U Roll straightening and quenching equipment for automotive torsion rod spring |
| 09/11/2013 | CN203187714U Waste heat quenching closed type circulation cooling device for engine connecting rod |
| 09/11/2013 | CN203187712U Automatic aligning quenching machine |
| 09/11/2013 | CN203187707U Car rack induction quenching-tempering heat treatment line |
| 09/11/2013 | CN103290419A Gear treatment method |
| 09/11/2013 | CN103290336A Preparation method of wear-resistant cast pipe with high-temperature oxidation resistant corrosion-resistant layer |
| 09/11/2013 | CN103290332A Wear-resistant metal pipeline with inner corrosion-resistant coating |
| 09/11/2013 | CN103290329A High strength and toughness alloy cast steel bucket tooth of excavator and production technologies thereof |
| 09/11/2013 | CN103290204A Process for heating carbon steel and low-alloy steel heavy piece-weight composite blank |
| 09/11/2013 | CN103290203A Large section steel billet girder type heating furnace bottom stepping device |
| 09/11/2013 | CN103290202A Production method for improving yield ratio and bore expansion of 1000MPa-level high-strength steel |
| 09/11/2013 | CN103290201A Anti-oxidation heater |
| 09/11/2013 | CN103290200A Method for treating accretions of roller with carbon sleeve for continuous annealing furnace |
| 09/11/2013 | CN103290199A Delay quenching process of multi-purpose furnace |
| 09/11/2013 | CN103290198A Steel ball quenching device with temperature adjustment function |
| 09/11/2013 | CN103290197A Automatic high-frequency needle burning machine |
| 09/11/2013 | CN103290196A Method for cooling steel tubes after normalizing |
| 09/11/2013 | CN103290195A Roller way for steel tube reheating furnace |
| 09/11/2013 | CN103290194A A manufacture process for a high stress suspension spring |
| 09/11/2013 | CN103290193A Thermal insulation furnace door system and thermal treatment furnace with same |
| 09/11/2013 | CN103290192A Thermal treatment process of spliced-welding type large tube plate forging of pressure container |
| 09/11/2013 | CN103290191A Device for recycling afterheat of thermal treatment furnace |
| 09/11/2013 | CN103290189A X90Q medium thick-wall seamless steel tube and method for manufacturing same |
| 09/11/2013 | CN103290175A Manufacturing method of automobile hub |
| 09/11/2013 | CN103286475A Flux-cored wire for surfacing repair and cold hardening resistance for hot rolled support roll |
| 09/11/2013 | CN102803540B High-strength Hot-dip Galvannealed Steel Shhet With Excellent Workability And Fatigue Characteristics And Process For Production Thereof |
| 09/11/2013 | CN102732707B Method and apparatus for laser shock processing of weldment at ultralow temperature |
| 09/11/2013 | CN102560075B Device for regulating clearance between inlet and outlet sealing rolls of muffle bright annealing furnace |
| 09/11/2013 | CN102560052B Heat treatment method for steel pieces with high impact strength and application of steel pieces |
| 09/11/2013 | CN102414336B Ultra-thin steel sheet and process for production thereof |
| 09/11/2013 | CN102317490B Carburized steel part |
| 09/11/2013 | CN102312078B Heat treatment furnace with movable furnace cover |
| 09/11/2013 | CN102254675B Heat treatment process of magnetically soft alloy iron core |
| 09/11/2013 | CN102102144B A catenary type furnace |
| 09/11/2013 | CN101970697B Rapid thermal treatment for coloring surgical needles |
| 09/11/2013 | CN101845604B Al-contained heatproof ferrite series stainless steel for fuel cell and manufacturing method thereof |
| 09/11/2013 | CN101107369B Method for producing hot-formed steel product |
| 09/05/2013 | DE102012211633B3 Plain bearing comprises bearing surface that comprises lead-free copper/aluminum-based alloy and is heat-treated in surface portion so that hardness of bearing surface in surface portion is less compared to other non-heat-treated portions |
| 09/04/2013 | EP2634288A1 Electromagnetic steel sheet and process for production thereof |
| 09/04/2013 | EP2634282A1 Steel sheet for can, and process for producing same |
| 09/04/2013 | EP2634281A1 High-strength hot-dip galvanized steel sheet having excellent uniform elongation and plating properties, and method for manufacturing same |
| 09/04/2013 | EP2634279A1 Steel for surface hardening for machine structural use, and steel component for machine structural use and process for producing same |
| 09/04/2013 | EP2634272A1 Method and device for controlling furnace pressure of continuous annealing furnace |
| 09/04/2013 | EP2633091A1 Device for the localized heating of parts of coated metal pipes and of parts of their protective coating |
| 09/04/2013 | CN203177655U Furnace roof structure of roller hearth heating furnace |
| 09/04/2013 | CN203176193U Rotating joint |
| 09/04/2013 | CN203174171U Three-phase heating furnace slide rail |
| 09/04/2013 | CN203174170U Bead wire heat treatment take-up device |
| 09/04/2013 | CN203174169U Middle convection plate of bell type annealing furnace |
| 09/04/2013 | CN203174168U Copper strip air-cooling device |
| 09/04/2013 | CN203174167U Strip-steel loop steel wire rope swing door |
| 09/04/2013 | CN203174166U On-line annealing device for stainless steel drug core welding wire |
| 09/04/2013 | CN203174165U Bottom roller of spiral water-cooled furnace |
| 09/04/2013 | CN203174164U Inner ring jackscrew hole annealing device with jackscrew insert bearing |
| 09/04/2013 | CN203174163U Conveying belt of bearing heat treatment equipment |
| 09/04/2013 | CN203174162U Special machine tool for high-frequency quenching of inner wall of thin-wall long pipe |
| 09/04/2013 | CN203174161U Novel electrical steel high-temperature bell furnace production system |
| 09/04/2013 | CN203174159U Rolled coil end face bepowdering device |
| 09/04/2013 | CN203174158U Purging device with liquid steel quenching part |
| 09/04/2013 | CN203174152U Strip steel temperature detection device of galvanizing unit annealing furnace |
| 09/04/2013 | CN203174151U Step-type heat treatment tempering furnace |
| 09/04/2013 | CN203174150U High-strength and heat-resisting alloy steel hollow furnace bottom roller |
| 09/04/2013 | CN203174149U Cooling production line of non-quenched and tempered steel after forging |
| 09/04/2013 | CN103276313A High-speed steel roll collar and heat treatment method |
| 09/04/2013 | CN103276251A Boiler tube for 700 DEG C steam parameter thermal power generating unit and preparation method thereof |
| 09/04/2013 | CN103276191A Purge method for annealing of low-carbon cold-roll steel sheets |
| 09/04/2013 | CN103276190A Continuous annealing furnace energy-saving operation method |
| 09/04/2013 | CN103276189A Making method of low-tensile-strength weld wire steel |
| 09/04/2013 | CN103276188A PWHT (postweld heat treatment) device for mounting utility boiler water wall |
| 09/04/2013 | CN103276187A Process for improving comprehensive mechanical performances of weld of high-frequency straight welded tube |
| 09/04/2013 | CN103276186A Rotating-shaft quenching device |
| 09/04/2013 | CN103276185A Shaft component vibration induction heating method and apparatus |