| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 12/17/2008 | CN101326294A Flash tempering process and apparatus |
| 12/17/2008 | CN101323944A Boro-carburizing microalloying method of shearer cutter |
| 12/17/2008 | CN101323930A Antibiotic martensitic stainless steel and use thereof in hardware industry |
| 12/17/2008 | CN101323902A Full size ring type parts quenching equipment |
| 12/17/2008 | CN101323899A Quenching machine tool without soft belt |
| 12/17/2008 | CN101322482A Forced-feeding method for improving developing quality of goose liver, used feed and forced-feeding machine |
| 12/17/2008 | CN100443618C Ball grinding machine lining board and manufacturing method thereof |
| 12/17/2008 | CN100443617C Pealite like thermal treating steel rail and producing method thereof |
| 12/17/2008 | CN100443614C Steel with excellent delayed fracture resistance and tensile strength of 1600 mpa class or more, its shaped articles, and methods of production of the same |
| 12/17/2008 | CN100443597C Hardening technology for precipitation hardening stainless steel laser surface |
| 12/16/2008 | US7465364 Fe-Cr-Si based non-oriented electromagnetic steel sheet and process for producing the same |
| 12/16/2008 | US7465361 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet |
| 12/16/2008 | CA2206925C Constant current needle annealing |
| 12/10/2008 | EP2000004A2 Method and apparatus for the uniform resistance heating of articles |
| 12/10/2008 | CN201162496Y Surface vulcanized petroleum drilling tool |
| 12/10/2008 | CN201162031Y Hot dip galvanized iron wire annealing oven |
| 12/10/2008 | CN201162027Y Heat treating equipment for metal member bar |
| 12/10/2008 | CN201162026Y Circular high speed high pressure gas cooling type saw band quenching cooling unit |
| 12/10/2008 | CN201162025Y Intermediate frequency induction smelting furnace cooling casting tubular shape ingot mould slice |
| 12/10/2008 | CN201162024Y Induction heating safety appliance |
| 12/10/2008 | CN201162023Y Furnace hearth cap exchanging vehicle for vertical annealing oven |
| 12/10/2008 | CN101319292A High ductility N80 oil casing tube and manufacturing method |
| 12/10/2008 | CN101319272A Vertical vacuum heavy pressure gas quenching furnace with rotatable material rest |
| 12/10/2008 | CN101319271A Nozzle cooling vacuum gas quenching furnace capable of convection heating |
| 12/10/2008 | CN101319270A Thermal treatment method for improving mechanical performances of normalized steel plate |
| 12/10/2008 | CN101319102A Method of preparing insulating paint for non-orientation magnetic material high-temperature processing |
| 12/10/2008 | CN100441732C Plasma-assisted reinforced coating |
| 12/10/2008 | CN100441727C Method for improving high temperature and antioxygenic properties of ternary silicide |
| 12/10/2008 | CN100441706C High-frequency bearing surface quenching method and tool |
| 12/10/2008 | CN100441705C Heat-treatment method for storage tank body of large-scale total pressure type LPG carrying vessel |
| 12/10/2008 | CN100441703C Cooling structure of inducing heat of quenching machine |
| 12/10/2008 | CN100441702C Heat processing method for obtaining fine grain ferrite in medium carbon steel |
| 12/09/2008 | US7462251 Method for making an abrasion-resistant steel plate |
| 12/04/2008 | WO2008146904A1 Remaining stress improving apparatus for tube and method for adjusting the remaining stress improving apparatus |
| 12/04/2008 | WO2008127439A3 Gear material for an enhanced rotorcraft drive system |
| 12/04/2008 | WO2008097374A3 Ultra-short duration laser methods for the nanostructuring of materials |
| 12/04/2008 | US20080296813 Hearth Roll Apparatus for Annealing Furnace |
| 12/04/2008 | US20080295927 Thermal forming of refractory alloy surgical needles and fixture and apparatus |
| 12/04/2008 | US20080295924 Steel Sheet Excellent in Workability and Method for Producing the Same |
| 12/03/2008 | EP1997917A1 Method of metal surface hardening treatment inducing transformation |
| 12/03/2008 | EP1996737A2 Integrated reformer and batch annealing processes and apparatus therefor |
| 12/03/2008 | EP1664356A4 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 12/03/2008 | CN201159602Y Dusting device |
| 12/03/2008 | CN201158687Y Strip steel stabilizing device of annealing oven |
| 12/03/2008 | CN201158684Y Steel roll rim heating mechanism |
| 12/03/2008 | CN201158683Y Integration device for steel pipe welded seam thermal treatment |
| 12/03/2008 | CN201158682Y Sealing structure for stove |
| 12/03/2008 | CN101314833A Wheel steel for heavy duty goods train and manufacture method thereof |
| 12/03/2008 | CN101314812A Smithing exhaust heat quenching process for caterpillar track node with node pitch more than 200mm |
| 12/03/2008 | CN101314809A Cast iron series mould material thermal treatment method capable of acquiring controllable and uniform rigidity |
| 12/03/2008 | CN101314808A High-efficiency low-cost high-temperature inoxidzable coating material |
| 12/03/2008 | CN101314807A High-temperature processing method for non-orientation magnetic material |
| 12/03/2008 | CN101314311A False proof thin film and producing method thereof |
| 12/03/2008 | CN101314202A Method for producing wind-electricity principal axis with gathering stock full fibre upset forging |
| 12/03/2008 | CN101314180A Cold-forming die steel collars anticentripetal composite casting technique for rail beam and section |
| 12/03/2008 | CN100439577C Method and device for sharpening and strengthening fiber beating combing element |
| 12/03/2008 | CN100439553C Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 12/03/2008 | CN100439551C High-grade highly carbon-dioxide resistant chloride ion corrosion oil annular tube steel and method for manufacturing the same |
| 12/03/2008 | CN100439550C Long-life alloy die-casting module and manufacturing method thereof |
| 12/03/2008 | CN100439547C Metal fiber wire and its producing process |
| 12/03/2008 | CN100439545C 800 MPa level thick steel plate with high toughness and low yield ratio and its making process |
| 12/03/2008 | CN100439540C Steel material with excellent rolling fatigue life and method of producing the same |
| 12/03/2008 | CN100439535C Hard metal or cermet body and method for producing the same |
| 12/03/2008 | CN100439518C HF quenching technology for piston ring groove |
| 12/02/2008 | US7459041 Method for making an abrasion-resistant steel plate |
| 11/27/2008 | WO2008143031A1 Rolling member, rolling bearing and process for manufaturing rolling member |
| 11/27/2008 | WO2008055477A3 Method for the production of a rolling bearing ring, and rolling bearing ring |
| 11/26/2008 | EP1995333A1 Metal heat treating methods and devices |
| 11/26/2008 | EP1994192A1 Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced |
| 11/26/2008 | EP1994188A2 Method and device for cooling and stabilizing strip in a continuous line |
| 11/26/2008 | EP1348771B1 High strength hot rolled steel plate excellent in enlargeability and ductility and method for production thereof |
| 11/26/2008 | CN201155995Y Galvanizing annealing furnace exhaust pipeline temperature detecting apparatus |
| 11/26/2008 | CN201154981Y Annealing furnace heating apparatus |
| 11/26/2008 | CN201154980Y Copper wire drying system of annealing furnace |
| 11/26/2008 | CN201154979Y Vapour protection arrangement for annealing furnace |
| 11/26/2008 | CN201154978Y Full automatic crankshaft intermediate frequency induction hardening machine tool |
| 11/26/2008 | CN201154977Y On-line spray cooling apparatus of normalizing furnace |
| 11/26/2008 | CN201154976Y Well annealing furnace |
| 11/26/2008 | CN201154975Y Novel furnace roller for conveying stripes |
| 11/26/2008 | CN201154974Y Apparatus for rapidly and uniformly cooling roller |
| 11/26/2008 | CN201154973Y Frock special for stress heat treatment for magnetic hysteresis alloy |
| 11/26/2008 | CN201154330Y Internal water spraying reducing nozzle for steel tube quench |
| 11/26/2008 | CN101311287A Grain oriented magnetic steel sheet |
| 11/26/2008 | CN101311278A Surface heat-treatment process for eccentric shaft |
| 11/26/2008 | CN101311277A Homogenization treatment process for high-temperature alloyed steel ingot |
| 11/26/2008 | CN101310917A Production method of Fe-Ni low-expansion alloy wire |
| 11/26/2008 | CN100436909C Process for producing double layer concrete transport pipe |
| 11/26/2008 | CN100436763C Plasma-assisted engine exhausting process |
| 11/26/2008 | CN100436633C Low carbon high alloy steel for ball mill lining and its making process |
| 11/26/2008 | CN100436631C Low-carbon high-manganese oriented electrical steel plate, and its manufacturing method |
| 11/26/2008 | CN100436630C Sheet slab process low-carbon high-manganese oriented electrotechnical steel sheet, and its manufacturing method |
| 11/26/2008 | CN100436628C Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 11/26/2008 | CN100436608C Method and arrangement for annealing of strips |
| 11/26/2008 | CN100436607C Quenching process and its quenching device for bearing internal and external rings |
| 11/26/2008 | CN100436605C Method for manufacturing non-oriented silicon steel sheet |
| 11/26/2008 | CN100436042C Thin slab process high magnetic induction oriented electrical steel sheet and its manufacturing method |
| 11/26/2008 | CN100436001C Process for manufacturing rare earth high-carbon low-alloy steel liner |
| 11/25/2008 | US7455738 Long fatigue life nitinol |
| 11/25/2008 | US7455736 Melting, galvanizing, heating, alloying |
| 11/20/2008 | WO2008139817A1 Method and apparatus for performing high frequency heat treatment to power transmission member |