Title:
【発明の名称】耐HAZ軟化性の優れた高張力電縫鋼管の製造方法
Document Type and Number:
Japanese Patent JP2540087
Kind Code:
B2
Inventors:
SUMIMOTO DAIGO
KIMYA YASUO
KIMYA YASUO
Application Number:
JP7799791A
Publication Date:
October 02, 1996
Filing Date:
April 10, 1991
Export Citation:
Assignee:
SHINNIPPON SEITETSU KK
International Classes:
B21B3/00; B23K13/00; C21D8/02; C21D8/10; C22C38/00; C22C38/14; (IPC1-7): C21D8/10; B21B3/00; B23K13/00; C21D8/02; C22C38/00; C22C38/14
Domestic Patent References:
| JP4311526A |
Attorney, Agent or Firm:
Kazuo Ozeki