ST Shapes – Section Properties
Design section properties for the ST Shapes family, listed in AISC Shapes Database order. Click a shape’s reference to open its CAD download page.
| Imperial Reference | Ix | Zx | Sx | rx | Iy | Zy | Sy | ry | J | Cw | ro | H |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST12X60.5 | 259 | 54.5 | 30.1 | 3.82 | 41.5 | 18.1 | 10.3 | 1.53 | 6.38 | 27.5 | 5.14 | 0.64 |
| ST12X53 | 216 | 43.3 | 24.1 | 3.72 | 38.4 | 16.7 | 9.76 | 1.57 | 5.05 | 15 | 4.88 | 0.686 |
| ST12X50 | 215 | 47.5 | 26.3 | 3.83 | 23.7 | 12 | 6.55 | 1.27 | 3.76 | 19.5 | 5.28 | 0.584 |
| ST12X45 | 190 | 41.1 | 22.6 | 3.79 | 22.3 | 11.2 | 6.27 | 1.3 | 3.01 | 12.1 | 5.11 | 0.615 |
| ST12X40 | 162 | 33.6 | 18.6 | 3.72 | 21 | 10.4 | 6 | 1.34 | 2.44 | 6.94 | 4.88 | 0.656 |
| ST10X48 | 143 | 36.9 | 20.3 | 3.18 | 25 | 12.5 | 6.93 | 1.33 | 4.16 | 15 | 4.36 | 0.625 |
| ST10X43 | 124 | 31.1 | 17.2 | 3.13 | 23.3 | 11.6 | 6.59 | 1.36 | 3.3 | 9.17 | 4.21 | 0.659 |
| ST10X37.5 | 109 | 28.6 | 15.8 | 3.15 | 14.8 | 8.36 | 4.62 | 1.16 | 2.28 | 7.21 | 4.29 | 0.613 |
| ST10X33 | 92.9 | 23.4 | 12.9 | 3.1 | 13.7 | 7.7 | 4.39 | 1.19 | 1.78 | 4.02 | 4.1 | 0.654 |
| ST9X35 | 84.5 | 25.1 | 14 | 2.87 | 12 | 7.17 | 3.84 | 1.08 | 2.02 | 7.03 | 4.02 | 0.582 |
| ST9X27.35 | 62.3 | 17.3 | 9.6 | 2.79 | 10.4 | 6.06 | 3.45 | 1.14 | 1.16 | 2.26 | 3.71 | 0.66 |
| ST7.5X25 | 40.5 | 14 | 7.72 | 2.35 | 7.79 | 4.99 | 2.76 | 1.03 | 1.05 | 2.02 | 3.22 | 0.635 |
| ST7.5X21.45 | 32.9 | 10.8 | 5.99 | 2.29 | 7.13 | 4.54 | 2.59 | 1.06 | 0.765 | 0.995 | 3.04 | 0.689 |
| ST6X25 | 25.1 | 11 | 6.04 | 1.85 | 7.79 | 5.16 | 2.84 | 1.03 | 1.36 | 1.97 | 2.6 | 0.662 |
| ST6X20.4 | 18.9 | 7.71 | 4.27 | 1.78 | 6.74 | 4.43 | 2.57 | 1.06 | 0.842 | 0.787 | 2.42 | 0.732 |
| ST6X17.5 | 17.2 | 7.12 | 3.95 | 1.83 | 4.92 | 3.4 | 1.94 | 0.98 | 0.524 | 0.556 | 2.49 | 0.695 |
| ST6X15.9 | 14.8 | 5.94 | 3.3 | 1.78 | 4.66 | 3.22 | 1.87 | 1 | 0.438 | 0.364 | 2.39 | 0.731 |
| ST5X17.5 | 12.5 | 6.58 | 3.62 | 1.56 | 4.15 | 3.1 | 1.68 | 0.899 | 0.633 | 0.725 | 2.23 | 0.653 |
| ST5X12.7 | 7.79 | 3.7 | 2.05 | 1.45 | 3.36 | 2.49 | 1.44 | 0.95 | 0.3 | 0.173 | 1.98 | 0.767 |
| ST4X11.5 | 5 | 3.19 | 1.76 | 1.22 | 2.13 | 1.84 | 1.02 | 0.795 | 0.271 | 0.168 | 1.73 | 0.704 |
| ST4X9.2 | 3.49 | 2.07 | 1.14 | 1.14 | 1.84 | 1.59 | 0.922 | 0.827 | 0.167 | 0.0642 | 1.58 | 0.788 |
| ST3X8.6 | 2.12 | 1.85 | 1.02 | 0.915 | 1.14 | 1.17 | 0.642 | 0.673 | 0.181 | 0.0772 | 1.35 | 0.705 |
| ST3X6.25 | 1.26 | 1.01 | 0.547 | 0.831 | 0.901 | 0.93 | 0.541 | 0.702 | 0.083 | 0.0197 | 1.2 | 0.819 |
| ST2.5X5 | 0.671 | 0.65 | 0.348 | 0.677 | 0.597 | 0.686 | 0.398 | 0.638 | 0.0568 | 0.01 | 1.02 | 0.839 |
| ST2X4.75 | 0.462 | 0.592 | 0.319 | 0.575 | 0.444 | 0.565 | 0.317 | 0.564 | 0.059 | 0.00995 | 0.903 | 0.797 |
| ST2X3.85 | 0.307 | 0.381 | 0.198 | 0.522 | 0.374 | 0.485 | 0.281 | 0.576 | 0.0364 | 0.00457 | 0.834 | 0.869 |
| ST1.5X3.75 | 0.2 | 0.351 | 0.187 | 0.426 | 0.289 | 0.411 | 0.23 | 0.513 | 0.0432 | 0.00496 | 0.732 | 0.83 |
| ST1.5X2.85 | 0.114 | 0.196 | 0.097 | 0.37 | 0.223 | 0.328 | 0.192 | 0.518 | 0.0216 | 0.00189 | 0.667 | 0.911 |