Roping Property of SUS430 Cold-rolled Sheet

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  • HAMADA Jun-ichi
    Hikari R & D Lab.,Nippon Steel Corp.,now Research & Development Center,Nippon Steel & Sumikin Stainless Steel Corp.
  • MAEDA Shigeru
    Steel Research Labs.,Nippon Steel Corp.,now Head Office,Nippon Steel & Sumikin Stainless Steel Corp.
  • FUDANOKI Fumio
    Hikari R & D Lab.,Nippon Steel Corp.,now Nagoya Sales Office,Nippon Steel & Sumikin Stainless Steel Corp.
  • ABE Masayuki
    Yawata R & D Lab.,Nippon Steel Corp.
  • SHINDO Takuji
    Steel Research Labs.,Nippon Steel Corp.,now Industrial Property Corporation Center
  • HASHIMOTO Satoshi
    Hikari Works,Nippon Steel Corp.,now Head office,Nippon Steel & Sumikin Stainless Steel Corp.

Bibliographic Information

Other Title
  • SUS430冷延鋼板のローピング特性
  • SUS430 レイエン コウハン ノ ローピング トクセイ

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Abstract

This study investigates the origin of the roping of SUS430 ferritic stainless cold-rolled sheet, paying attention to the heterogeneous factors in the hot-rolled sheet thickness, and the effects of the colony structure and the α' phase in hot-rolled sheet on the behavior of the roping during cold rolling. The origin of the roping was the mid-thickness with strong α-fiber texture. As ascertained by temper color method, the hot-rolled sheet with severe roping after cold rolling had large {001} and {111} colonies with different deformation properties, while that with slight roping had a small {001} colony. The behaviors of the roping and the texture during cold rolling depended on the hot rolling condition and cold rolling reduction. The improvement of the roping of SUS430 cold-rolled sheets is brought by the control of {001} colonies in hot-rolled sheet and the formation of the deformation zone around α' phase in high cold rolling reduction.

Journal

  • Tetsu-to-Hagane

    Tetsu-to-Hagane 90 (3), 146-153, 2004

    The Iron and Steel Institute of Japan

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