Structural sectional properties for a WT12X31 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT12X31 |
| Cross Sectional Area | A | 9.11 in2 |
| Section Width | b | 7.04 in |
| Section Depth | d | 11.9 in |
| Flange thickness | tf | 0.59 in |
| Web thickness | tw | 0.43 in |
| Radius of Gyration about X-X | rx | 3.79 in |
| Radius of Gyrations about Y-Y | ry | 1.38 in |
| Moment of Inertia about X-X | Ix | 131 in4 |
| Moment of Intertia about Y-Y | Iy | 17.2 in4 |
| Elastic Section Modulus about X-X | Sx | 15.6 in3 |
| Elastic Section Modulus about Y-Y | Sy | 4.9 in3 |
| Plastic Section Modulus about X-X | Zx | 28.4 in3 |
| Plastic Section Modulus about Y-Y | Zy | 7.85 in3 |
| St. Venant Torsional Constant | J | 0.85 in4 |
| Warping Torsion Constant | Cw | 3.92 in6 |
| Self Weight of section | Weight | 31 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT12X31 |
| Cross Sectional Area | A | 5877 mm2 |
| Section Width | b | 179 mm |
| Section Depth | d | 302 mm |
| Flange thickness | tf | 15 mm |
| Web thickness | tw | 10.9 mm |
| Radius of Gyration about X-X | rx | 96 mm |
| Radius of Gyrations about Y-Y | ry | 35 mm |
| Moment of Inertia about X-X | Ix | 55000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 7000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 256000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 80000 mm3 |
| Plastic Section Modulus about X-X | Zx | 465000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 129000 mm3 |
| St. Venant Torsional Constant | J | 354000 mm4 |
| Warping Torsion Constant | Cw | 1000000000 mm6 |
| Self Weight of section | Weight | 46 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT12X31 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 11.9 in (302 mm) and 7.04 in (179 mm) respectively. It weighs 31 lb/ft (46 kg/m) and has a cross sectional area of 9.11 in2 (5877 mm2).
The section has a tensile yield capacity of:
The section has a flexural plastic moment capacity of:
The section has a flexural elastic moment capacity of: