Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
11/2007
11/07/2007CN200971374Y Body structure of continuous annealing furnace
11/07/2007CN200971373Y Inductor for iron-base powder melallurgical chain gear induction hardening
11/07/2007CN200970602Y Creep aging shape corrector
11/07/2007CN101067187A Stainless steel wire for spoke use and producing method thereof
11/07/2007CN101067186A Ultrathin alloy material hose and producing method thereof
11/07/2007CN101066576A Aluminium foil base material producing process
11/07/2007CN100347459C Rolling bearing unit for supporting wheel
11/07/2007CN100347326C Alloy-steel seam-less steel-pipe and production method therefor
11/06/2007CA2332933C Method and apparatus for producing martensite- or bainite-rich steel using steckel mill and controlled cooling
11/01/2007WO2007122910A1 High-strength hot rolled steel sheet having excellent composite moldability
11/01/2007WO2007122754A1 Brake disc having high temper softening resistance
11/01/2007WO2007096502A3 Method and device for cooling and stabilizing strip in a continuous line
11/01/2007US20070251611 Method for producing martensitic stainless steel tubes
11/01/2007US20070251606 Power transmission shaft
10/2007
10/31/2007EP1848833A2 Method for the production of a bearing ring for large-size rolling bearings
10/31/2007EP1664357B1 Use of a steel for the manufacturing of chains, method for producing a chain and chain produced by said method
10/31/2007CN200967831Y Metal heat treating furnace lining
10/31/2007CN200967830Y Protective atmosphere isolation apparatus for cold rolling strip steel continuous annealing furnace
10/31/2007CN200967829Y Radiation heating and cooling tube device for strip steel continuous annealing furnace
10/31/2007CN200967828Y Pivoted arm type large-scale ring-sleeve type accessory quenching equipment
10/31/2007CN101065509A High strength steel sheet and method for production thereof
10/31/2007CN101065508A Steel pipe having excellent electromagnetic properties and process for producing the same
10/31/2007CN101065504A Treatment process for bars
10/31/2007CN101065503A High-strength steel strip or sheet exhibiting twip properties and method for producing said strip by direct strip casting
10/31/2007CN101063180A Annealing furnace smoke discharging structure in stainless steel continuous annealing acid-cleaning units
10/31/2007CN101062515A Method for manufacturing blade forging of heavy type combustion engine
10/31/2007CN101062507A Technique for manufacturing mandrel mill by using composite rare earth material
10/31/2007CN100346123C Furnace roller and cast tire thereof
10/31/2007CN100345993C High strength thin steel sheet excellent in hole expansibility, ductility and chemical treatment characteristics, and method for production thereof
10/31/2007CN100345983C Long Lifetine heat treatment technique of high-carbon chromium bearing collar
10/31/2007CN100345982C Prehardening treatment method of NAK80 mould steel
10/30/2007US7288159 High impact and wear resistant steel
10/25/2007WO2007121074A2 Annealing of hot rolled steel coils with clam shell furnace
10/25/2007WO2007119722A1 Process for producing steel material
10/25/2007WO2007119721A1 Method of pretreatment for quenching of martensitic tool steel and method of quenching
10/25/2007WO2007119665A1 Process for producing alloyed hot-dip zinc-coated steel sheet satisfactory in processability, non-powdering property, and sliding property
10/25/2007WO2007118489A1 Method for the heat treatment of a profile, device for the heat treatment of a profile and profile
10/25/2007WO2007097663A9 Metal heat treating methods and devices
10/25/2007US20070246136 Method of manufacturing a martensitic stainless steel pipe
10/25/2007DE102006015669B3 Method for converting the metallic structure of a plasticizing screw comprises impinging the wear region with an alternating current, producing resistance heat to raise the wear region to a hardening temperature and cooling the region
10/25/2007CA2643824A1 Method for the heat treatment of a profile, device for the heat treatment of a profile and profile
10/24/2007EP1847630A1 High-concentration carburized/low-strain quenched member and process for producing the same
10/24/2007EP1847624A1 NOVEL Fe-Al ALLOY AND METHOD FOR PRODUCING SAME
10/24/2007EP1847623A1 Method for heating a metal material
10/24/2007CN200964428Y Nitrogen-hydrogen cooler
10/24/2007CN200964427Y Saw disc quenching machine
10/24/2007CN101061241A Apparatus for producing high strength steel sheet or hot dip zinc plated high strength steel sheet excellent in elongation and bore expanding characteristics
10/24/2007CN101061240A Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom
10/24/2007CN101058887A Heat treatment process for automobile gear shifting box synchronizer gear sheath
10/24/2007CN101058846A Method of determining position information of high-temperature ring annealing furnace steel coil
10/24/2007CN101058845A Driving device for silicon steel rotary high-temperature annealing furnace bed
10/24/2007CN101058844A Method of preparing forging steel cold roll without soft band
10/24/2007CN101058843A 钢球淬火机 Ball hardening machine
10/24/2007CN101058148A Processing technology for steel ball
10/24/2007CN101058144A Method for manufacturing automobile steering pump blade
10/24/2007CN101058143A Method for manufacturing wave shaped spring
10/24/2007CN101058142A Method for preparing copper and nickel alloy seamless copper tube
10/24/2007CN101058106A Guiding protection equipment for exactitude long thin embossing die and reinforced method for its guiding surface
10/24/2007CN100344788C Heat treatment method for knife-edge tungsten carbide
10/24/2007CN100344774C 50 steel computer CPU fastener heat treatment process
10/23/2007US7284308 Method for manufacturing a leaf spring
10/23/2007CA2442699C Transverse flux induction heating of conductive strip
10/18/2007WO2007116913A1 Very thin hard steel sheet and method for producing the same
10/18/2007WO2007116875A1 Carbonitriding process, process for production of machine parts, and machine parts
10/18/2007WO2007116805A1 Method of improving residual stress in tube body and device for improving residual stress
10/18/2007WO2007116599A1 Steel plate having excellent fine blanking processability and method for manufacture thereof
10/18/2007DE102006003014B3 Verfahren zum Härten eines einen geschlossenen Kurvenzug beschreibenden Werkstücks Method of curing a closed curve describing a workpiece
10/17/2007CN200961143Y Electro plastic processing device
10/17/2007CN101056996A Cutting tool for metal working and method for producing it
10/17/2007CN101056721A Method for producing metal
10/17/2007CN101054652A Ball grinding machine lining board and manufacturing method thereof
10/17/2007CN101054620A Steel belt lead-bath quenching and backfire product line decarburization technique and device thereof
10/17/2007CN101054617A Technique for increasing high temperature abrasion resistance of steel belt lead-bath quenching belt-pressing head
10/17/2007CN101053927A Method for welding superalloys
10/17/2007CN101053915A Repairing reproduction method for saw bit for metallurgy
10/17/2007CN101053887A Inner step profile section ring parts rolling forming method
10/17/2007CN100343651C Method for manufacturing steel inlaid guide rail sheet of large tonnage tester for metal tension test
10/17/2007CN100343409C Cold work steel and cold work tool
10/17/2007CN100343407C Strength-ductility balanced plate steel with excellent weldability and manufacturing methods thereof
10/11/2007WO2007114491A1 Heat-treatment steel for high-strength spring
10/11/2007WO2007114490A1 Heat-treatment steel for high-strength spring
10/11/2007WO2007114413A1 High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof
10/11/2007WO2007114261A1 High-strength cold rolled steel sheet excelling in chemical treatability
10/11/2007WO2007114246A1 Method for production of martensitic stainless steel pipe
10/11/2007WO2007114077A1 Process for producing seamless two-phase stainless-steel pipe
10/11/2007WO2007114041A1 Method for production of seamless pipe, and oxidizing gas supply apparatus
10/11/2007WO2007027724A3 Steel compositions, methods of forming the same, and articles formed therefrom
10/11/2007US20070235111 Combines tubular body pressure induced shaping at elevated temperatures with controlled rapid quenching using a gaseous quenching medium in a common unit; substantial percentages of martensite within the final part
10/11/2007DE102006016348A1 Partielles Laserhärten Partial laser hardening
10/10/2007EP1843093A2 Burner nozzle, system, furnace and installation
10/10/2007EP1842932A1 Method for cooling tubes
10/10/2007EP1842931A1 Method for heat treatment
10/10/2007EP1842930A1 Process for heat treatment
10/10/2007EP1842929A1 Sub-zero cabinet for in-line treatment of metals
10/10/2007EP1842617A1 Process and device for partial hardening of metal sheets or semi finished products using a laser beam and protective gas having solid particles; Metal sheet or semi finished product made of steel with a partial hardening
10/10/2007EP1842018A1 Supporting device for articles to be fired that has an elastic support fixing
10/10/2007EP1842017A1 Device for supporting articles to be fired that has a defined compensation of thermal expansions
10/10/2007EP1457576B1 Press molding and its high frequency quenching method and its high frequency quenching system
10/10/2007EP1420924B1 Composite utility knife blade
10/10/2007EP1375685B1 Rapid cooling process for steel band in continuous annealing equipment
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