Structural sectional properties for a WT18X131 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X131 |
| Cross Sectional Area | A | 38.5 in2 |
| Section Width | b | 16.6 in |
| Section Depth | d | 18.4 in |
| Flange thickness | tf | 1.44 in |
| Web thickness | tw | 0.84 in |
| Radius of Gyration about X-X | rx | 5.36 in |
| Radius of Gyrations about Y-Y | ry | 3.76 in |
| Moment of Inertia about X-X | Ix | 1110 in4 |
| Moment of Intertia about Y-Y | Iy | 545 in4 |
| Elastic Section Modulus about X-X | Sx | 77.5 in3 |
| Elastic Section Modulus about Y-Y | Sy | 65.8 in3 |
| Plastic Section Modulus about X-X | Zx | 137 in3 |
| Plastic Section Modulus about Y-Y | Zy | 102 in3 |
| St. Venant Torsional Constant | J | 20.8 in4 |
| Warping Torsion Constant | Cw | 185 in6 |
| Self Weight of section | Weight | 131 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X131 |
| Cross Sectional Area | A | 24839 mm2 |
| Section Width | b | 422 mm |
| Section Depth | d | 467 mm |
| Flange thickness | tf | 36.6 mm |
| Web thickness | tw | 21.3 mm |
| Radius of Gyration about X-X | rx | 136 mm |
| Radius of Gyrations about Y-Y | ry | 96 mm |
| Moment of Inertia about X-X | Ix | 462000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 227000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 1270000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 1078000 mm3 |
| Plastic Section Modulus about X-X | Zx | 2245000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 1671000 mm3 |
| St. Venant Torsional Constant | J | 8658000 mm4 |
| Warping Torsion Constant | Cw | 50000000000 mm6 |
| Self Weight of section | Weight | 195 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT18X131 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 18.4 in (467 mm) and 16.6 in (422 mm) respectively. It weighs 131 lb/ft (195 kg/m) and has a cross sectional area of 38.5 in2 (24839 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: