Supersaturated carburizing steel

The invention discloses a hypersaturated carburizing steel, which is characterized by the following: proceeding hypersaturated carburetion for Ge-Mn-Mo-V-Si steel through gas carburetion method; dripping carbinol as diluent and acetone as carburant; finishing the operation under 925+-5deg. c within...

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Bibliographische Detailangaben
1. Verfasser:	JUYAN,TIAN SHI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention discloses a hypersaturated carburizing steel, which is characterized by the following: proceeding hypersaturated carburetion for Ge-Mn-Mo-V-Si steel through gas carburetion method; dripping carbinol as diluent and acetone as carburant; finishing the operation under 925+-5deg. c within 480min+-10min; making the carburetion depth to 1. 5mm and the carbon quantity of carburetion to 2-3%; proceeding oil cooling to quench under 830-840 deg. c; tempering at 170-180 deg. c; making the hardness value of the steel surface to HRC67-70.