Title:
優れた靭性及び溶接性を有する高強度二相鋼板
Document Type and Number:
Japanese Patent JP3990726
Kind Code:
B2
Abstract:
A high strength steel composition comprising ferrite and martensite/banite phases, the ferrite phase having primarily vanadium and mobium carbide or carbonitride precipitates, is prepared by a first rolling above the austenite recrystallization temperature; a second rolling below the anstenite recrystallization temperature; a third rolling between the Ar3 and Ar1 transformation points, and water cooling to below about 400 DEG C.
Inventors:
Ku Ja Young
Hemurajani Ramesh Earl
Hemurajani Ramesh Earl
Application Number:
JP51769096A
Publication Date:
October 17, 2007
Filing Date:
December 01, 1995
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
C22C38/00; C21D6/02; C21D8/02; C22C38/04; C22C38/12; C22C38/14; C22C38/38; C21D7/12; C21D8/10
Domestic Patent References:
| JP57134518A | ||||
| JP57149424A | ||||
| JP64055333A | ||||
| JP5195057A | ||||
| JP59100214A |
Attorney, Agent or Firm:
Kenji Kawabi
Mitsutoshi Fukaya
Mitsutoshi Fukaya