Disclosed are a high-strength,high-toughness hot-pressed steel plate member and a manufacturing method therefor.A specified hot-press process is performed on a steel plate member which, withrespect to the chemical composition of the steel plate, comprises: 0.15%-0.4wt%of C; 1.0-5.0wt% of Mn or of a .....
[更多]
| |< <- | [3565] [3566] [3567] [3568] [3569] [3570] [3571] [3572] [3573] [3574] [3575] | -> >| |
