Dimensions and section properties for WT20X181
Structural sectional properties for a WT20X181 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT20X181 |
| Cross Sectional Area | A | 53.2 in2 |
| Section Width | b | 16 in |
| Section Depth | d | 20.3 in |
| Flange thickness | tf | 2.01 in |
| Web thickness | tw | 1.12 in |
| Radius of Gyration about X-X | rx | 5.92 in |
| Radius of Gyrations about Y-Y | ry | 3.6 in |
| Moment of Inertia about X-X | Ix | 1870 in4 |
| Moment of Intertia about Y-Y | Iy | 691 in4 |
| Elastic Section Modulus about X-X | Sx | 122 in3 |
| Elastic Section Modulus about Y-Y | Sy | 86.3 in3 |
| Plastic Section Modulus about X-X | Zx | 217 in3 |
| Plastic Section Modulus about Y-Y | Zy | 135 in3 |
| St. Venant Torsional Constant | J | 54.2 in4 |
| Warping Torsion Constant | Cw | 511 in6 |
| Self Weight of section | Weight | 181 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT20X181 |
| Cross Sectional Area | A | 34323 mm2 |
| Section Width | b | 406 mm |
| Section Depth | d | 516 mm |
| Flange thickness | tf | 51.1 mm |
| Web thickness | tw | 28.4 mm |
| Radius of Gyration about X-X | rx | 150 mm |
| Radius of Gyrations about Y-Y | ry | 91 mm |
| Moment of Inertia about X-X | Ix | 778000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 288000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 1999000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 1414000 mm3 |
| Plastic Section Modulus about X-X | Zx | 3556000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 2212000 mm3 |
| St. Venant Torsional Constant | J | 22560000 mm4 |
| Warping Torsion Constant | Cw | 137000000000 mm6 |
| Self Weight of section | Weight | 269 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT20X181 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 20.3 in (516 mm) and 16 in (406 mm) respectively. It weighs 181 lb/ft (269 kg/m) and has a cross sectional area of 53.2 in2 (34323 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