Square Bars
EN 10059 · 23 sections
Free Reference DataSquare bars are solid steel bars with a square cross-section per EN 10059, used in grating supports, stair treads, and fabricated structural components.
| Designation | d (mm) | A (cm²) | G (kg/m) | I (cm⁴) | W (cm³) |
|---|---|---|---|---|---|
| SQ 10 | — | 1 | 0.785 | 0.083 | 0.167 |
| SQ 12 | — | 1.44 | 1.13 | 0.173 | 0.288 |
| SQ 14 | — | 1.96 | 1.54 | 0.32 | 0.457 |
| SQ 16 | — | 2.56 | 2.01 | 0.546 | 0.683 |
| SQ 18 | — | 3.24 | 2.54 | 0.875 | 0.972 |
| SQ 20 | — | 4 | 3.14 | 1.333 | 1.333 |
| SQ 22 | — | 4.84 | 3.8 | 1.952 | 1.775 |
| SQ 25 | — | 6.25 | 4.91 | 3.255 | 2.604 |
| SQ 28 | — | 7.84 | 6.15 | 5.122 | 3.659 |
| SQ 30 | — | 9 | 7.07 | 6.75 | 4.5 |
| SQ 32 | — | 10.24 | 8.04 | 8.738 | 5.461 |
| SQ 35 | — | 12.25 | 9.62 | 12.505 | 7.146 |
| SQ 40 | — | 16 | 12.6 | 21.333 | 10.667 |
| SQ 45 | — | 20.25 | 15.9 | 34.172 | 15.188 |
| SQ 50 | — | 25 | 19.6 | 52.083 | 20.833 |
| SQ 55 | — | 30.25 | 23.7 | 76.255 | 27.729 |
| SQ 60 | — | 36 | 28.3 | 108 | 36 |
| SQ 65 | — | 42.25 | 33.2 | 148.755 | 45.771 |
| SQ 70 | — | 49 | 38.5 | 200.083 | 57.167 |
| SQ 75 | — | 56.25 | 44.2 | 263.672 | 70.312 |
| SQ 80 | — | 64 | 50.2 | 341.333 | 85.333 |
| SQ 90 | — | 81 | 63.6 | 546.75 | 121.5 |
| SQ 100 | — | 100 | 78.5 | 833.333 | 166.667 |