Variable-thickness pre-coated steel sheet for hot forming, production method thereof, part hot formed by using same, and manufacturing method thereof

The invention provides a thickness-variable pre-coated steel plate for hot forming, a production method, a part hot-formed by using the thickness-variable pre-coated steel plate and a manufacturing method of the part. According to the method, the thickness of the pre-coating layer is controlled to b...

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Bibliographische Detailangaben
Hauptverfasser:	LI ZITAO, DENG ZONGJI, ZHOU SHILONG, GU HAIRONG, ZHENG XIAOFANG, YAN WEI
Format:	Patent
Sprache:	chi ; 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 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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