Table 3 Mechanical property of steel.
Specimen number | Steel category | Yield strength/MPa | Ultimate strength/MPa | Ratio of tensile strength to yield strength | Elongation/% |
|---|---|---|---|---|---|
1–1 | 10 | 445 | 625 | 1.40 | 24 |
1–2 | 455 | 615 | 1.35 | 24 | |
Average value | 450 | 620 | 1.38 | 24 | |
2–1 | 12 | 445 | 575 | 1.29 | 25 |
2–2 | 460 | 585 | 1.27 | 25 | |
Average value | 452.50 | 580 | 1.28 | 25 | |
3–1 | 16 | 465 | 600 | 1.29 | 25 |
3–2 | 460 | 600 | 1.30 | 25 | |
Average value | 462.50 | 600 | 1.30 | 25 |