Dimensions and section properties for WT18X85
Structural sectional properties for a WT18X85 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X85 |
| Cross Sectional Area | A | 25 in2 |
| Section Width | b | 12 in |
| Section Depth | d | 18.1 in |
| Flange thickness | tf | 1.1 in |
| Web thickness | tw | 0.68 in |
| Radius of Gyration about X-X | rx | 5.61 in |
| Radius of Gyrations about Y-Y | ry | 2.53 in |
| Moment of Inertia about X-X | Ix | 786 in4 |
| Moment of Intertia about Y-Y | Iy | 160 in4 |
| Elastic Section Modulus about X-X | Sx | 58.9 in3 |
| Elastic Section Modulus about Y-Y | Sy | 26.6 in3 |
| Plastic Section Modulus about X-X | Zx | 105 in3 |
| Plastic Section Modulus about Y-Y | Zy | 41.8 in3 |
| St. Venant Torsional Constant | J | 7.51 in4 |
| Warping Torsion Constant | Cw | 63.2 in6 |
| Self Weight of section | Weight | 85 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT18X85 |
| Cross Sectional Area | A | 16129 mm2 |
| Section Width | b | 305 mm |
| Section Depth | d | 460 mm |
| Flange thickness | tf | 27.9 mm |
| Web thickness | tw | 17.3 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 | 327000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 67000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 965000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 436000 mm3 |
| Plastic Section Modulus about X-X | Zx | 1721000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 685000 mm3 |
| St. Venant Torsional Constant | J | 3126000 mm4 |
| Warping Torsion Constant | Cw | 17000000000 mm6 |
| Self Weight of section | Weight | 126 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT18X85 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 18.1 in (460 mm) and 12 in (305 mm) respectively. It weighs 85 lb/ft (126 kg/m) and has a cross sectional area of 25 in2 (16129 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