Title:
高一様伸び特性を備え、かつ溶接部低温靱性に優れた高強度溶接鋼管、およびその製造方法
Document Type and Number:
Japanese Patent JP5768603
Kind Code:
B2
Inventors:
Mitsuhiro Okatsu
Akihiko Tanizawa
Junji Shimamura
Akihiko Tanizawa
Junji Shimamura
Application Number:
JP2011188576A
Publication Date:
August 26, 2015
Filing Date:
August 31, 2011
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C22C38/00; B21C37/08; B23K35/30; C21D7/12; C21D8/10; C22C38/58
Domestic Patent References:
| JP2011094231A | ||||
| JP2011074443A | ||||
| JP2007302947A | ||||
| JP7278656A | ||||
| JP8283838A | ||||
| JP2004143556A |
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori