Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082)
10/2012
10/10/2012CN101957141B External heat treatment furnace blank loading and unloading device
10/10/2012CN101956054B Horizontal type integral heat treatment method of large-size pressure vessel
10/10/2012CN101460646B High-strength composite steel sheet having excellent moldability and delayed fracture resistance
10/10/2012CN101460639B Process for applying internal compressive stresses in a shaft, in particular in shaft notches
10/09/2012US8283601 Bonding apparatus and method of metal plate
10/09/2012CA2700706C Insulated structure of induction heating coil
10/04/2012WO2012133885A1 Spring and method for producing same
10/04/2012WO2012133869A1 Method and device for producing si-containing cold rolled steel sheet
10/04/2012WO2012133837A1 Stainless steel sheet and method for manufacturing same
10/04/2012WO2012133833A1 Stainless-steel sheet for metal mask
10/04/2012WO2012133681A1 Ferrite stainless steel exhibiting excellent corrosion resistance and strength in weld zones, and tig-welded structure
10/04/2012WO2012133573A1 Ferritic stainless steel sheet having excellent heat resistance and processability, and method for producing same
10/04/2012WO2012133563A1 Cold rolled steel sheet and production method therefor
10/04/2012WO2012133558A1 Electroseamed steel pipe and process for producing same
10/04/2012WO2012133506A1 Ferritic stainless steel for biofuel supply system part, biofuel supply system part, ferritic stainless steel for exhaust heat recovery unit, and exhaust heat recovery unit
10/04/2012WO2012133244A1 Steel plate with excellent durability for band-shaped die-cutting blade, and band-shaped die-cutting blade
10/04/2012WO2012133057A1 High-strength steel sheet with excellent workability and manufacturing process therefor
10/04/2012WO2012132821A1 Spring steel wire rod having excellent wire drawability and excellent fatigue characteristics after wire drawing, and spring steel wire having excellent fatigue characteristics and excellent spring formability
10/04/2012WO2012132786A1 Case hardening steel, method for producing same, and mechanical structural part using case hardening steel
10/04/2012WO2012132744A1 Steal gear wheel and method for manufacturing same
10/04/2012WO2012132743A1 Steel gear wheel and method for manufacturing same
10/04/2012WO2012130552A1 Method for producing a hardened, coated metal component
10/04/2012WO2012130434A2 Method of heat treating a coated metal strip and heat treated coated metal strip
10/04/2012WO2012091363A3 Heat treatment apparatus for an annealing process
10/04/2012US20120247623 Optimization and Control of Metallurgical Properties During Homogenization of an Alloy
10/04/2012DE19758822B4 Wälzlager Rolling bearings
10/04/2012CA2829753A1 Cold-rolled steel sheet and production method thereof
10/03/2012EP2505684A1 Gear and method for producing same
10/03/2012EP2505683A1 Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same
10/03/2012EP2505681A1 Welded steel pipe for linepipe with superior compressive strength and superior toughness, and process for producing same
10/03/2012EP2505677A2 Method and apparatus for relieving stress in a pipeline
10/03/2012EP2505675A1 Conveyance rack, method for retaining metal ring, and method for heat treatment of metal ring
10/03/2012CN202470736U Gas-electric compound heating wire-mesh belt furnace with longitudinally-arranged fuel gas radiant tubes
10/03/2012CN202465826U Stepper heating furnace and cantilever roll thereof
10/03/2012CN202465825U Lifting frame type convection plate
10/03/2012CN202465824U Convection plate hoisting ring for bell-type furnace
10/03/2012CN202465823U Slope type stainless steel band furnace for brightness
10/03/2012CN202465822U Electric heating furnace for continuously annealing steel wire
10/03/2012CN202465821U Electric heating device of continuous tempering steel wire electric heating furnace
10/03/2012CN202465820U Heat treatment residual heat recycling device of steel belt
10/03/2012CN202465819U W-type radiant tube fixing support structure
10/03/2012CN202465818U Lifting tool for heat treatment of large annular parts
10/03/2012CN202465817U Induction quenching device for vehicle turbine shaft sleeve
10/03/2012CN202465816U Automatic extracting and hardening device for aluminum alloy gravity cast wheel
10/03/2012CN202465815U Multifunctional co-furnace multi-belt quick efficient thermal treatment device for bimetallic strap saw blade
10/03/2012CN202465814U Double-metal band-saw nitrogen spray-quenching heat treatment production line
10/03/2012CN202465813U Automatic annealing treatment device for copper pipes
10/03/2012CN202465812U Online brightness solid solution machine for stainless steel welding tubes
10/03/2012CN202465811U Resistance-heating titanium alloy heat treatment furnace
10/03/2012CN202465810U Dual-layer convection plate
10/03/2012CN202465809U Well type thermal-treatment lifting device
10/03/2012CN202465808U Airtight air-cooling carbon sleeve roller
10/03/2012CN202465807U Induction quenching device for shaft housing plate of hydraulic torque converter
10/03/2012CN202465806U Anti-deformation device for high and medium temperature heat treatment of large hydraulic turbine blades
10/03/2012CN202465805U Thermal treatment clamp of gearbox cone hub
10/03/2012CN202465800U Gear shaft quenching fixture
10/03/2012CN202465797U Heating device of continuous quenching furnace
10/03/2012CN202465796U SIC (semiconductor integrated circuit) heat radiation fin for gas muffle furnace
10/03/2012CN202465783U Suspension-type isothermal normalizing production line
10/03/2012CN202465782U Local annealing device for workpiece
10/03/2012CN202465781U Efficient continuous muffle tube annealing furnace for hot-dip galvanizing production line
10/03/2012CN202465780U End-in end-out air-cooled carbon sleeve roller
10/03/2012CN202465779U Heat treating device for large-diameter thin-walled tapered wall thickness multi-curved surface membrane
10/03/2012CN202465778U Multisection suspension muffle for vertical bright annealing furnace
10/03/2012CN202465777U Heat radiating device for continuous carrier roller driving mesh belt heating furnace
10/03/2012CN202465776U Steel plate type circular quenching roller with uniformly sand-blast surface
10/03/2012CN202465773U Heat treatment material basket for upward push-pull chain box type furnace
10/03/2012CN202464671U Big-stick walking-beam furnace conveying device
10/03/2012CN202461888U Horizontal flange clamping welding and annealing device of rotatable stationary guide blade casing of combustion gas turbine
10/03/2012CN102712983A Cold-rolled steel plate and method for producing same
10/03/2012CN102712982A Steel plate having excellent moldability and shape retention, and method for producing same
10/03/2012CN102712981A Cold-rolled steel plate and method for producing same
10/03/2012CN102712980A High-strength cold-rolled steel sheet, and process for production thereof
10/03/2012CN102712979A High-strength hot-dip galvanized steel sheet reduced in burr formation and process for producing same
10/03/2012CN102712978A High-strength hot-dip galvanized steel sheet with excellent processability and spot weldability and process for producing same
10/03/2012CN102712977A High-strength hot-dip galvanized steel sheet with excellent processability and impact resistance and process for producing same
10/03/2012CN102712974A Cold-rolled steel plate having excellent post-aging moldability and shape retention
10/03/2012CN102712973A High-strength steel plate having excellent formability, and production method for same
10/03/2012CN102712972A High-strength steel plate and method for producing same
10/03/2012CN102712963A Method for producing hot-rolled high carbon steel sheet
10/03/2012CN102712171A High strength hot dip galvanised steel strip
10/03/2012CN102712080A Saw wire
10/03/2012CN102703911A Heat treatment method for down-the-hole drill bit of high-wind pressure drilling tool, and drill bit
10/03/2012CN102703909A Combined carburizing and quenching process for improving gear performance
10/03/2012CN102703908A Heat treatment method of impact piston
10/03/2012CN102703843A Aluminum alloy air conditioner pipe heat treatment method
10/03/2012CN102703836A Manufacturing method for low temperature-used seamless steel tubes
10/03/2012CN102703822A Preparation method of high-speed steel for composite roll collar
10/03/2012CN102703806A Seamless tube for nuclear auxiliary system and production method for seamless tube
10/03/2012CN102703803A Globular pearlite type hot rolled coil and production method thereof
10/03/2012CN102703678A 并流式钢坯加热炉 And streaming billet reheating furnace
10/03/2012CN102703677A HITT mono-volume stacking bell type annealing furnace for oriented electrical steel heat treatment
10/03/2012CN102703676A Air cushion furnace quenching system for heat treatment of aluminum coil materials and aluminum foil materials
10/03/2012CN102703675A Horizontal roller hearth furnace for heat treatment of aluminum plates
10/03/2012CN102703674A Pressure-free assembly device for heat treatment of gears
10/03/2012CN102703673A Heat treatment method for double-layer steel pipe
10/03/2012CN102703672A Large-caliber thick-wall steel pipe and normalizing method thereof
10/03/2012CN102703671A System and method for controlling temperature during spring quenching
10/03/2012CN102703670A Method for processing 55Si2Mn alloy spring
10/03/2012CN102703669A Method for producing grinding rods used in rod mills
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