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Mechanical properties of steel.
| Grade | Yield Strength | Ultimate Strength | Elongation Ratio | ||
|---|---|---|---|---|---|
| fy/MPa | Cv | fu/MPa | Cv | δ/% | |
| Q235 | 291.0 | 5.4% | 453.1 | 4.3% | 32.3% |
| Q460 | 469.1 | 7.9% | 557.3 | 8.3% | 25.0% |
| Q690 | 735.1 | 1.1% | 822.3 | 0.9% | 19.2% |
| HRB400 | 443.2 | 4.5% | 594.9 | 3.7% | 27.8% |
Cv represents coefficient of variation.
