Structural sectional properties for a WT18X151 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X151 |
| Cross Sectional Area | A | 44.5 in2 |
| Section Width | b | 16.7 in |
| Section Depth | d | 18.7 in |
| Flange thickness | tf | 1.68 in |
| Web thickness | tw | 0.945 in |
| Radius of Gyration about X-X | rx | 5.37 in |
| Radius of Gyrations about Y-Y | ry | 3.82 in |
| Moment of Inertia about X-X | Ix | 1280 in4 |
| Moment of Intertia about Y-Y | Iy | 648 in4 |
| Elastic Section Modulus about X-X | Sx | 88.8 in3 |
| Elastic Section Modulus about Y-Y | Sy | 77.8 in3 |
| Plastic Section Modulus about X-X | Zx | 158 in3 |
| Plastic Section Modulus about Y-Y | Zy | 120 in3 |
| St. Venant Torsional Constant | J | 32.1 in4 |
| Warping Torsion Constant | Cw | 285 in6 |
| Self Weight of section | Weight | 151 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X151 |
| Cross Sectional Area | A | 28710 mm2 |
| Section Width | b | 424 mm |
| Section Depth | d | 475 mm |
| Flange thickness | tf | 42.7 mm |
| Web thickness | tw | 24 mm |
| Radius of Gyration about X-X | rx | 136 mm |
| Radius of Gyrations about Y-Y | ry | 97 mm |
| Moment of Inertia about X-X | Ix | 533000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 270000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 1455000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 1275000 mm3 |
| Plastic Section Modulus about X-X | Zx | 2589000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 1966000 mm3 |
| St. Venant Torsional Constant | J | 13361000 mm4 |
| Warping Torsion Constant | Cw | 77000000000 mm6 |
| Self Weight of section | Weight | 225 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT18X151 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 18.7 in (475 mm) and 16.7 in (424 mm) respectively. It weighs 151 lb/ft (225 kg/m) and has a cross sectional area of 44.5 in2 (28710 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: