Dimensions and section properties for WT8X20
Structural sectional properties for a WT8X20 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT8X20 |
| Cross Sectional Area | A | 5.89 in2 |
| Section Width | b | 7 in |
| Section Depth | d | 8.01 in |
| Flange thickness | tf | 0.505 in |
| Web thickness | tw | 0.305 in |
| Radius of Gyration about X-X | rx | 2.37 in |
| Radius of Gyrations about Y-Y | ry | 1.56 in |
| Moment of Inertia about X-X | Ix | 33.1 in4 |
| Moment of Intertia about Y-Y | Iy | 14.4 in4 |
| Elastic Section Modulus about X-X | Sx | 5.35 in3 |
| Elastic Section Modulus about Y-Y | Sy | 4.12 in3 |
| Plastic Section Modulus about X-X | Zx | 9.43 in3 |
| Plastic Section Modulus about Y-Y | Zy | 6.36 in3 |
| St. Venant Torsional Constant | J | 0.396 in4 |
| Warping Torsion Constant | Cw | 0.673 in6 |
| Self Weight of section | Weight | 20 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT8X20 |
| Cross Sectional Area | A | 3800 mm2 |
| Section Width | b | 178 mm |
| Section Depth | d | 203 mm |
| Flange thickness | tf | 12.8 mm |
| Web thickness | tw | 7.7 mm |
| Radius of Gyration about X-X | rx | 60 mm |
| Radius of Gyrations about Y-Y | ry | 40 mm |
| Moment of Inertia about X-X | Ix | 14000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 6000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 88000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 68000 mm3 |
| Plastic Section Modulus about X-X | Zx | 155000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 104000 mm3 |
| St. Venant Torsional Constant | J | 165000 mm4 |
| Warping Torsion Constant | Cw | 0 mm6 |
| Self Weight of section | Weight | 30 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT8X20 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 8.01 in (203 mm) and 7 in (178 mm) respectively. It weighs 20 lb/ft (30 kg/m) and has a cross sectional area of 5.89 in2 (3800 mm2).
The section has a tensile yield capacity of:
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The section has a flexural plastic moment capacity of:
kip-ft
The section has a flexural elastic moment capacity of:
kip-ft