Title:
【発明の名称】耐サワー性に優れたオーステナイト系高合金継目無鋼管の延伸圧延方法
Document Type and Number:
Japanese Patent JPH0729128
Kind Code:
B2
Inventors:
Akihiko Takahashi
Hiroyuki Ogawa
Akihiro Miyasaka
High charge
Nakamura Masanori
Shunji Sakamoto
Hiroyuki Ogawa
Akihiro Miyasaka
High charge
Nakamura Masanori
Shunji Sakamoto
Application Number:
JP9826590A
Publication Date:
April 05, 1995
Filing Date:
April 13, 1990
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21B3/02; B21B19/06; C21D8/10; C22C38/00; (IPC1-7): B21B19/06; B21B3/02; C21D8/10; C22C38/00
Domestic Patent References:
| JP1293909A |
Attorney, Agent or Firm:
Kazuo Ozeki
Next Patent: APPARATUS FOR DETECTING POSITION OF HEAD