Table 2 Mechanical properties of studied steels (specification)
Steel grade | Tensile strength, MPa | Yield strength, MPa | Elongation, % | Reduction of area, % |
|---|---|---|---|---|
09G2FB | ≥ 550 | ≥ 430 | ≥ 20 | – |
10XN2MD | ≥ 750 | ≥ 700 | ≥ 19 | ≥ 73 |
08XN3MD | ≥ 600 | ≥ 550 | ≥ 18 | – |
12XN3MF | ≥ 588 | ≥ 637 | ≥ 18 | ≥ 55 |