| Shape | Area (in2) | Depth (in) | Width (in) | Section Properties | |||
|---|---|---|---|---|---|---|---|
| Ix (in4) | Iy (in4) | Plastic Mod Xp (in3) | Plastic Mod Yp (in3) | ||||
| ST1.5x2.85 Dimensions | 0.83 | 1.5 | 2.33 | 0.11 | 0.22 | 0.2 | 0.33 |
| ST1.5x3.75 Dimensions | 1.1 | 1.5 | 2.51 | 0.2 | 0.29 | 0.35 | 0.41 |
| ST2.5x5 Dimensions | 1.46 | 2.5 | 3 | 0.67 | 0.6 | 0.65 | 0.69 |
| ST2x3.85 Dimensions | 1.13 | 2 | 2.66 | 0.31 | 0.37 | 0.38 | 0.49 |
| ST2x4.75 Dimensions | 1.4 | 2 | 2.8 | 0.46 | 0.44 | 0.59 | 0.56 |
| ST3x6.25 Dimensions | 1.83 | 3 | 3.33 | 1.26 | 0.9 | 1.01 | 0.93 |
| ST3x8.6 Dimensions | 2.53 | 3 | 3.57 | 2.12 | 1.14 | 1.85 | 1.17 |
| ST4x9.2 Dimensions | 2.7 | 4 | 4 | 3.49 | 1.84 | 2.07 | 1.59 |
| ST4x11.5 Dimensions | 3.38 | 4 | 4.17 | 5 | 2.13 | 3.19 | 1.84 |
| ST5x12.7 Dimensions | 3.72 | 5 | 4.66 | 7.79 | 3.36 | 3.7 | 2.49 |
| ST5x17.5 Dimensions | 5.14 | 5 | 4.94 | 12.5 | 4.15 | 6.58 | 3.1 |
| ST6x15.9 Dimensions | 4.65 | 6 | 5 | 14.8 | 4.66 | 5.94 | 3.22 |
| ST6x17.5 Dimensions | 5.12 | 6 | 5.08 | 17.2 | 4.92 | 7.12 | 3.4 |
| ST6x20.4 Dimensions | 5.96 | 6 | 5.25 | 18.9 | 6.74 | 7.71 | 4.43 |
| ST6x25 Dimensions | 7.33 | 6 | 5.48 | 25.1 | 7.79 | 11 | 5.16 |
| ST7.5x21.45 Dimensions | 6.3 | 7.5 | 5.5 | 32.9 | 7.13 | 10.8 | 4.54 |
| ST7.5x25 Dimensions | 7.34 | 7.5 | 5.64 | 40.5 | 7.79 | 14 | 4.99 |
| ST9x27.35 Dimensions | 8.02 | 9 | 6 | 62.3 | 10.4 | 17.3 | 6.06 |
| ST9x35 Dimensions | 10.3 | 9 | 6.25 | 84.5 | 12 | 25.1 | 7.17 |
| ST10x33 Dimensions | 9.7 | 10 | 6.26 | 92.9 | 13.7 | 23.4 | 7.7 |
| ST10x37.5 Dimensions | 11 | 10 | 6.39 | 109 | 14.8 | 28.6 | 8.36 |
| ST10x43 Dimensions | 12.7 | 10.2 | 7.06 | 124 | 23.3 | 31.1 | 11.6 |
| ST10x48 Dimensions | 14.1 | 10.2 | 7.2 | 143 | 25 | 36.9 | 12.5 |
| ST12x40 Dimensions | 11.7 | 12 | 7 | 162 | 21 | 33.6 | 10.4 |
| ST12x45 Dimensions | 13.2 | 12 | 7.13 | 190 | 22.3 | 41.1 | 11.2 |
| ST12x50 Dimensions | 14.7 | 12 | 7.25 | 215 | 23.7 | 47.5 | 12 |
| ST12x53 Dimensions | 15.6 | 12.3 | 7.87 | 216 | 38.4 | 43.3 | 16.7 |
| ST12x60.5 Dimensions | 17.8 | 12.3 | 8.05 | 259 | 41.5 | 54.5 | 18.1 |
The above table of ST shapes sizes offers a detailed beam sizes chart for engineers to easily scroll and find what they’re looking for. If you’re looking for a different section or shape try the search feature or one of the below resources:
