Structural sectional properties for a WT18X75 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X75 |
| Cross Sectional Area | A | 22.1 in2 |
| Section Width | b | 12 in |
| Section Depth | d | 17.9 in |
| Flange thickness | tf | 0.94 in |
| Web thickness | tw | 0.625 in |
| Radius of Gyration about X-X | rx | 5.62 in |
| Radius of Gyrations about Y-Y | ry | 2.47 in |
| Moment of Inertia about X-X | Ix | 698 in4 |
| Moment of Intertia about Y-Y | Iy | 135 in4 |
| Elastic Section Modulus about X-X | Sx | 53.1 in3 |
| Elastic Section Modulus about Y-Y | Sy | 22.5 in3 |
| Plastic Section Modulus about X-X | Zx | 95.5 in3 |
| Plastic Section Modulus about Y-Y | Zy | 35.4 in3 |
| St. Venant Torsional Constant | J | 5.04 in4 |
| Warping Torsion Constant | Cw | 46 in6 |
| Self Weight of section | Weight | 75 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X75 |
| Cross Sectional Area | A | 14258 mm2 |
| Section Width | b | 305 mm |
| Section Depth | d | 455 mm |
| Flange thickness | tf | 23.9 mm |
| Web thickness | tw | 15.9 mm |
| Radius of Gyration about X-X | rx | 143 mm |
| Radius of Gyrations about Y-Y | ry | 63 mm |
| Moment of Inertia about X-X | Ix | 291000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 56000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 870000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 369000 mm3 |
| Plastic Section Modulus about X-X | Zx | 1565000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 580000 mm3 |
| St. Venant Torsional Constant | J | 2098000 mm4 |
| Warping Torsion Constant | Cw | 12000000000 mm6 |
| Self Weight of section | Weight | 112 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT18X75 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 17.9 in (455 mm) and 12 in (305 mm) respectively. It weighs 75 lb/ft (112 kg/m) and has a cross sectional area of 22.1 in2 (14258 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: