| 摘要 |
A cooling drum for metal cast strip by continuous casting has dimples 40 to 200 mum in average depth and 0.5 to 3 mm in diameter of circle equivalent formed on a plated peripheral surface of the cooling drum, adjacent to each other at rims of the dimples; and a film, containing oxides of at least one member selected from the group consisting of Ni-W, Ni-Co-W, Cr, Ni-Fe and Ni-Al, is formed on the peripheral surface.
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