Dimensions and section properties for WT18X128
Structural sectional properties for a WT18X128 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X128 |
| Cross Sectional Area | A | 37.6 in2 |
| Section Width | b | 12.2 in |
| Section Depth | d | 18.7 in |
| Flange thickness | tf | 1.73 in |
| Web thickness | tw | 0.96 in |
| Radius of Gyration about X-X | rx | 5.66 in |
| Radius of Gyrations about Y-Y | ry | 2.65 in |
| Moment of Inertia about X-X | Ix | 1210 in4 |
| Moment of Intertia about Y-Y | Iy | 264 in4 |
| Elastic Section Modulus about X-X | Sx | 87.4 in3 |
| Elastic Section Modulus about Y-Y | Sy | 43.2 in3 |
| Plastic Section Modulus about X-X | Zx | 156 in3 |
| Plastic Section Modulus about Y-Y | Zy | 68.5 in3 |
| St. Venant Torsional Constant | J | 26.4 in4 |
| Warping Torsion Constant | Cw | 205 in6 |
| Self Weight of section | Weight | 128 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X128 |
| Cross Sectional Area | A | 24258 mm2 |
| Section Width | b | 310 mm |
| Section Depth | d | 475 mm |
| Flange thickness | tf | 43.9 mm |
| Web thickness | tw | 24.4 mm |
| Radius of Gyration about X-X | rx | 144 mm |
| Radius of Gyrations about Y-Y | ry | 67 mm |
| Moment of Inertia about X-X | Ix | 504000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 110000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 1432000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 708000 mm3 |
| Plastic Section Modulus about X-X | Zx | 2556000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 1123000 mm3 |
| St. Venant Torsional Constant | J | 10989000 mm4 |
| Warping Torsion Constant | Cw | 55000000000 mm6 |
| Self Weight of section | Weight | 190 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT18X128 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 12.2 in (310 mm) respectively. It weighs 128 lb/ft (190 kg/m) and has a cross sectional area of 37.6 in2 (24258 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