Title:
Crを含有する電縫鋼管およびその製造方法
Document Type and Number:
Japanese Patent JP4051042
Kind Code:
B2
Inventors:
Tetsuo Ishizuka
Hideki Hamaya
Asahi Hitoshi
Shunsuke Fukami
Nobuo Mizuhashi
Hideki Hamaya
Asahi Hitoshi
Shunsuke Fukami
Nobuo Mizuhashi
Application Number:
JP2004099290A
Publication Date:
February 20, 2008
Filing Date:
March 30, 2004
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21C37/08; B21C37/083; C22C38/00; C22C38/18; C22C38/50; C22C38/58
Domestic Patent References:
| JP2000282144A | ||||
| JP2003239019A | ||||
| JP6342358A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Masaya Nishiyama
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Masaya Nishiyama