RU-2026110168-A - COLD-ROLLED MARTENSITIC STEEL AND A METHOD FOR PRODUCING MARTENSITIC STEEL

Inventors

• ФАНЬ, Дунвэй

Assignees

• АРСЕЛОРМИТТАЛ

Dates

Publication Date

20260504

Application Date

20230912

Claims (20)

1. 1. Martensitic steel sheet containing the following elements, wt.%:
2. 0.07≤ C ≤0.12;
3. 1.9≤ Mn ≤2.5;
4. 0.2≤ Si ≤0.6;
5. 0.01≤ Al ≤0.1;
6. 0.1≤ Cr ≤0.5;
7. 0.2≤ Mo ≤0.6;
8. 0.001≤ Nb ≤0.1;
9. 0.001≤ Ti ≤0.1;
10. 0.0005≤ B ≤0.005;
11. 0≤ S ≤ 0.09;
12. 0≤ P ≤ 0.09;
13. 0≤ N≤ 0.09,
14. and may contain one or more of the following optional elements:
15. 0≤ V ≤ 0.1;
16. 0≤ Ni ≤ 1;
17. 0≤ Cu ≤ 1;
18. 0≤ Sn ≤ 0.1;
19. 0≤ Pb ≤ 0.1;
20. 0≤ Sb ≤ 0.1;