Title:
【発明の名称】溶接割れ感受性と低温靭性に優れた調質型600N/mm2 級高張力鋼の製造方法
Document Type and Number:
Japanese Patent JP3374688
Kind Code:
B2
Inventors:
Hisashi Maeda
Toshimichi Ohmori
Toru Kawanaka
Toshimichi Ohmori
Toru Kawanaka
Application Number:
JP34351796A
Publication Date:
February 10, 2003
Filing Date:
December 24, 1996
Export Citation:
Assignee:
Nippon Steel Tube Co., Ltd.
International Classes:
C21D8/00; C21D8/02; C22C38/00; C22C38/14; C22C38/58; (IPC1-7): C21D8/02; C22C38/00; C22C38/14; C22C38/58
Domestic Patent References:
| JP8176731A | ||||
| JP8176727A | ||||
| JP8209238A | ||||
| JP8209242A |
Attorney, Agent or Firm:
Takehiko Suzue (4 outside)