Dimensions and section properties for WT18X80
Structural sectional properties for a WT18X80 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X80 |
| Cross Sectional Area | A | 23.5 in2 |
| Section Width | b | 12 in |
| Section Depth | d | 18 in |
| Flange thickness | tf | 1.02 in |
| Web thickness | tw | 0.65 in |
| Radius of Gyration about X-X | rx | 5.61 in |
| Radius of Gyrations about Y-Y | ry | 2.5 in |
| Moment of Inertia about X-X | Ix | 740 in4 |
| Moment of Intertia about Y-Y | Iy | 147 in4 |
| Elastic Section Modulus about X-X | Sx | 55.8 in3 |
| Elastic Section Modulus about Y-Y | Sy | 24.6 in3 |
| Plastic Section Modulus about X-X | Zx | 100 in3 |
| Plastic Section Modulus about Y-Y | Zy | 38.6 in3 |
| St. Venant Torsional Constant | J | 6.17 in4 |
| Warping Torsion Constant | Cw | 53.6 in6 |
| Self Weight of section | Weight | 80 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X80 |
| Cross Sectional Area | A | 15161 mm2 |
| Section Width | b | 305 mm |
| Section Depth | d | 457 mm |
| Flange thickness | tf | 25.9 mm |
| Web thickness | tw | 16.5 mm |
| Radius of Gyration about X-X | rx | 142 mm |
| Radius of Gyrations about Y-Y | ry | 64 mm |
| Moment of Inertia about X-X | Ix | 308000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 61000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 914000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 403000 mm3 |
| Plastic Section Modulus about X-X | Zx | 1639000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 633000 mm3 |
| St. Venant Torsional Constant | J | 2568000 mm4 |
| Warping Torsion Constant | Cw | 14000000000 mm6 |
| Self Weight of section | Weight | 119 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT18X80 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 18 in (457 mm) and 12 in (305 mm) respectively. It weighs 80 lb/ft (119 kg/m) and has a cross sectional area of 23.5 in2 (15161 mm2).
The section has a tensile yield capacity of:
kip
The section has a flexural plastic moment capacity of:
kip-ft
The section has a flexural elastic moment capacity of:
kip-ft