| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 12/25/2013 | CN103468920A High-carbon steel rod on-line aging high-speed production method |
| 12/25/2013 | CN103468919A Method for reducing roll marks on surface of steel plate in quenching furnace |
| 12/25/2013 | CN103468918A Subzero treatment method for large-diameter cold rolling work roller and copious cooling box thereof |
| 12/25/2013 | CN103468917A Surface quenching and cooling device of metallurgical locomotive wheel |
| 12/25/2013 | CN103468916A Heat treatment process for bevel gear |
| 12/25/2013 | CN103468915A Heat treatment method of high-temperature-resistant rolling needle |
| 12/25/2013 | CN103468914A Heat treatment process for gear shaving cutter |
| 12/25/2013 | CN103468913A Heat treatment method for steel grain refinement of ultrahigh pressure vessel |
| 12/25/2013 | CN103468912A High temperature high heating rate treatment of PDC cutters |
| 12/25/2013 | CN103468911A Production process of austenite stainless steel belt |
| 12/25/2013 | CN103468904A Control method of network carbide of GCr15 bearing steel wire rod |
| 12/25/2013 | CN103468901A Anti-crack device and process for bearing conical rolling body |
| 12/25/2013 | CN103468895A Steel file quenching device |
| 12/25/2013 | CN103468889A After-forged heat treatment technique of 9Cr2MoV chilled roll steel |
| 12/25/2013 | CN103468888A Annealing device |
| 12/25/2013 | CN103468886A Concrete pump truck conveying cylinder laser quenching hardening treatment technology |
| 12/25/2013 | CN103464968A Processing method of valve core of multiway valve |
| 12/25/2013 | CN103074478B 'Two-time temperature control and one-time time control quenching' heat treatment process for cast alloy valve seat rings |
| 12/25/2013 | CN102876859B Spheroidizing annealing process of screw wire rod |
| 12/25/2013 | CN102719650B Heat treatment process for high-carbon steel wires for wire ropes |
| 12/25/2013 | CN102719643B Heat processing technology of high-carbon carbon steel coil rod for steel wire rope |
| 12/25/2013 | CN102672186B Manufacturing process for gear ring in powder metallurgy |
| 12/25/2013 | CN102639740B Steel sheet for cans and method for producing same |
| 12/25/2013 | CN102395695B Cold-rolled steel sheet having excellent slow-aging property and high curability in baking, and method for producing same |
| 12/25/2013 | CN102365381B Cast product having alumina barrier layer |
| 12/25/2013 | CN102199699B Method for producing motor vehicle component, and body component |
| 12/25/2013 | CN102149840B High-strength steel plate and manufacturing method thereof |
| 12/25/2013 | CN102027142B Device for blowing gas on surface of material in form of running strip |
| 12/25/2013 | CN101646510B Autofrettage by means of ball |
| 12/24/2013 | US8613817 Method for producing duplex stainless steel seamless pipe |
| 12/24/2013 | DE112012000408T5 Stahlzahnrad und Herstellungsverfahren dafür Steel gear and manufacturing method thereof |
| 12/19/2013 | WO2013187470A1 Rail |
| 12/19/2013 | WO2013187213A1 Stabilizer manufacturing method and heating device |
| 12/19/2013 | WO2013187042A1 Method of continuous annealing of steel strip, and method of manufacturing hot-dip galvanized steel strip |
| 12/19/2013 | WO2013187039A1 Method of continuous annealing of steel strip, device for continuous annealing of steel strip, method of manufacturing hot-dip galvanized steel strip, and device for manufacturing hot-dip galvanized steel strip |
| 12/19/2013 | WO2013187030A1 High-strength steel sheet, high-strength hot-dip zinc-coated steel sheet, and methods for producing said steel sheets |
| 12/19/2013 | WO2013186137A1 Method and system for thermal treatments of rails |
| 12/18/2013 | EP2674505A2 Gravure roll manufacturing method, and gravure roll |
| 12/18/2013 | EP2674504A1 Method and system for thermal treatments of rails |
| 12/18/2013 | EP2258507B1 Welded structure having improved resistance to stress corrosion cracking |
| 12/18/2013 | CN203346446U Roll shaft lifting tool for lifting |
| 12/18/2013 | CN203346445U Water inlet device of tunnel type steel pipe quenching equipment |
| 12/18/2013 | CN203346444U Roller hearth continuous heating furnace with hearth rolls arranged obliquely |
| 12/18/2013 | CN203346443U Rapid cooling device for continuous heat treatment of duplex stainless steel |
| 12/18/2013 | CN203346442U Bottom roller of solid-melting annealing furnace |
| 12/18/2013 | CN203346441U Fast quenching device at end part of ledge of middle trough of scrapper |
| 12/18/2013 | CN203346440U Heat treatment and straightening integrated device used in wire rod production process |
| 12/18/2013 | CN203346433U Control device of annealing furnace in welded pipe production line |
| 12/18/2013 | CN203346432U Annealing device before product forming |
| 12/18/2013 | CN103459673A Method and device for producing Si-containing cold rolled steel sheet |
| 12/18/2013 | CN103459646A High-strength cold-rolled steel sheet with excellent local formability, and manufacturing method thereof |
| 12/18/2013 | CN103459645A High-strength hot-rolled steel sheet with excellent local formability, and manufacturing method therefor |
| 12/18/2013 | CN103459643A Steel plate with excellent durability for band-shaped die-cutting blade, and band-shaped die-cutting blade |
| 12/18/2013 | CN103459641A Ferrite stainless steel exhibiting excellent corrosion resistance and strength in weld zones, and tig-welded structure |
| 12/18/2013 | CN103459639A Ferritic stainless steel sheet having excellent heat resistance and processability, and method for producing same |
| 12/18/2013 | CN103459638A High-strength steel sheet with excellent workability and manufacturing process therefor |
| 12/18/2013 | CN103459636A 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 |
| 12/18/2013 | CN103459633A 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 |
| 12/18/2013 | CN103459619A Method for winding hot-rolled maraging steel strip |
| 12/18/2013 | CN103459618A Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/18/2013 | CN103459617A Method for producing a hardened, coated metal component |
| 12/18/2013 | CN103459616A Method of heat treating a coated metal strip and heat treated coated metal strip |
| 12/18/2013 | CN103459055A Stainless steel sheet and method for manufacturing same |
| 12/18/2013 | CN103452491A Production process of drilling tubing and casing for oilfields |
| 12/18/2013 | CN103451580A Solution treatment method of aluminum-alloy tubular workpiece |
| 12/18/2013 | CN103451545A High-strength cast steel material for fork chuck of forklift and preparation method of high-strength cast steel material |
| 12/18/2013 | CN103451499A Light alloy, conveying pipe and preparation method thereof |
| 12/18/2013 | CN103451408A Method for fast exchanging hydrogen after urgency purging of bell-type furnace |
| 12/18/2013 | CN103451407A Bracket, device and method for batched heat treatment of steel bars |
| 12/18/2013 | CN103451406A Die press quenching device for fully quenching steel ferrules |
| 12/18/2013 | CN103451405A Thermal treatment clamp for annular forging |
| 12/18/2013 | CN103451404A Auxiliary discharging device for steel balls after heat treatment |
| 12/18/2013 | CN103451403A Gear tempering correction device |
| 12/18/2013 | CN103451402A Heat treatment method of large shaft part |
| 12/18/2013 | CN103451401A Heating-equalizing device in thermal treatment of conical pick |
| 12/18/2013 | CN103451399A Annealing process for producing cold rolling non-oriented electrical steel |
| 12/18/2013 | CN103451392A Pressure quenching mould for inner ring gear |
| 12/18/2013 | CN103451390A Wear-resistant steel ball quenching auxiliary device |
| 12/18/2013 | CN103451385A Tempering technology of ring die of 42CrMo steel pellet mill |
| 12/18/2013 | CN103451384A Cam induction heating composite coil |
| 12/18/2013 | CN103451383A Laser quenching technology of granulating ring mould |
| 12/18/2013 | CN103451335A Method for heating special steel with low-heat-value blast furnace coal gas |
| 12/18/2013 | CN103447676A Pipeline flash butt-welding welding seam plasma slag clearing and heat treatment machine |
| 12/18/2013 | CN103447348A Manufacturing method of stainless steel wire |
| 12/18/2013 | CN102653641B Laser quenching coating and method for machining corrugated roller by using same |
| 12/18/2013 | CN102560074B Electric heating furnace for continuously tempering steel wire |
| 12/18/2013 | CN102492818B Thermal treatment process for inlaid steel guide rail |
| 12/18/2013 | CN102409151B Automobile drive axle ring gear heat treatment process |
| 12/18/2013 | CN102357778B Manufacturing method of pulling straightening roller |
| 12/18/2013 | CN101956124B Wear-resistant high holding precision rolling rear working roller and production method thereof |
| 12/17/2013 | US8609206 Continuous or discrete metallization layer on a ceramic substrate |
| 12/17/2013 | US8608874 Spring steel and method for manufacturing the same |
| 12/17/2013 | CA2631550C Electrical steel sheet having insulation coating and method for manufacturing same |
| 12/17/2013 | CA2591878C Bake-hardening hot-rolled steel sheet with excellent workability and method for manufacturing the same |
| 12/17/2013 | CA2553586C Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 12/12/2013 | WO2013183274A1 Three-piece can and method for producing same |
| 12/12/2013 | WO2013182622A1 Steel, sheet steel product and process for producing a sheet steel product |
| 12/12/2013 | WO2013182621A1 Steel, sheet steel product and process for producing a sheet steel product |
| 12/12/2013 | WO2013182582A1 Method for welding two edges of one or more steel parts to each other including a heat treatment step after the welding step: penstock obtained with such a method |
| 12/12/2013 | US20130327452 High strength steel sheet and method for manufacturing the same |