HOT ROLLING METHOD FOR CLAD STEEL

PURPOSE:To decrease the camber during rolling and to decrease the deviation in the thickness of a cladding metal by forcibly cooling the material surface on the side where the hot deformation resistance is small just prior to hot rolling to maintain the surface temps. of the cladding metal and base...

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Bibliographische Detailangaben
Hauptverfasser:	MISHIRO SUKETSUGU, OKUMURA TAKETO
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To decrease the camber during rolling and to decrease the deviation in the thickness of a cladding metal by forcibly cooling the material surface on the side where the hot deformation resistance is small just prior to hot rolling to maintain the surface temps. of the cladding metal and base metal in a specific range. CONSTITUTION:The material surface on the side where the hot deformation resistance is small is forcibly cooled just prior to the hot rolling of a clad steel consisting of different materials. A difference of 50-150 deg.C is generated in the surface temps. of the cladding metal and the base metal by such cooling treatment. The thickness deviation at the transverse end and the longitudinal end is decreased when the materials are rolled in this state. The camber after the rolling is suppressed to about