ALLOYED GALVANIZED STEEL SHEET FOR AUTOMOTIVE USE AND ITS PRODUCTION

PURPOSE:To provide an alloyed galvanized steel sheet which has excellent image clarity, press formability and powdering property and which is easily manufactured and a method for manufacturing it. CONSTITUTION:By executing skin pass rolling of an elongation percentage of 0.4-2.0 by the use of a skin...

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Bibliographische Detailangaben
Hauptverfasser:	TANNO YASUYUKI, NAGAI HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To provide an alloyed galvanized steel sheet which has excellent image clarity, press formability and powdering property and which is easily manufactured and a method for manufacturing it. CONSTITUTION:By executing skin pass rolling of an elongation percentage of 0.4-2.0 by the use of a skin pass roll whose roll surface roughness Ra is =0.8 and