| 摘要 |
-25 A quenched steel plate is disclosed. The plate has a thickness of at least 6 mm, a martensite or tempered martensite 5 microstructure, and the following composition, in wt%: C: at least 0.3 Mn: < 0.8 Ti: < 0.08 Si: < 0.8 10 Ni: < 2.0 Cr: < 1.5 Mo: < 0.5 Cu: < 0.3 Al: < 0.12 15 Ca: < 0.005 B: < 0.005 P: < 0.040 V: < 0.10 S: < 0.02 20 Fe: balance and incidental impurities 42519221 (GHMatters) P91313.AU.1 12/04/13 |
