Title:
Manufacturing method of rolled plate for cold rolling and manufacturing method of pure titanium plate
Document Type and Number:
Japanese Patent JP6356084
Kind Code:
B2
Abstract:
An aspect of the present invention is a production method of a rolled sheet for cold-rolling, the method being characterized by including: a hot-rolling step for forming a rolled sheet by hot-rolling a pure titanium material while coiling; and an annealing step for annealing the hot-rolled sheet after the hot-rolling step, the coiling temperature in the hot-rolling step being 500° C. or less, and the annealing step being controlled so that the percentage area of recrystallized grains in the microstructure of the hot-rolled sheet after annealing is at least 90% and the mean grain size of the recrystallized grains is 5 μm to 10 μm.
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Inventors:
Kimishima Kazuya
Masanori Kobayashi
Tohru Shiogama
Keitaro Tamura
Yasuyuki Fujii
Masanori Kobayashi
Tohru Shiogama
Keitaro Tamura
Yasuyuki Fujii
Application Number:
JP2015063256A
Publication Date:
July 11, 2018
Filing Date:
March 25, 2015
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
C22F1/18; B21B3/00
Domestic Patent References:
| JP63114952A | ||||
| JP867955A | ||||
| JP2004285457A |
Attorney, Agent or Firm:
Hajime Amano
Yoshinori Ikeda
Hiroshi Ogawa
Koji Ishida
Kazuki Kagami
Kenichi Fujinaka
Yoshinori Ikeda
Hiroshi Ogawa
Koji Ishida
Kazuki Kagami
Kenichi Fujinaka