Dimensions and section properties for W8X13
Structural sectional properties for a W8X13 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W8X13 |
| Cross Sectional Area | A | 3.84 in2 |
| Section Width | b | 4 in |
| Section Depth | d | 7.99 in |
| Flange thickness | tf | 0.255 in |
| Web thickness | tw | 0.23 in |
| Radius of Gyration about X-X | rx | 3.21 in |
| Radius of Gyrations about Y-Y | ry | 0.843 in |
| Moment of Inertia about X-X | Ix | 39.6 in4 |
| Moment of Intertia about Y-Y | Iy | 2.73 in4 |
| Elastic Section Modulus about X-X | Sx | 9.91 in3 |
| Elastic Section Modulus about Y-Y | Sy | 1.37 in3 |
| Plastic Section Modulus about X-X | Zx | 11.4 in3 |
| Plastic Section Modulus about Y-Y | Zy | 2.15 in3 |
| St. Venant Torsional Constant | J | 0.0871 in4 |
| Warping Torsion Constant | Cw | 40.8 in6 |
| Self Weight of section | Weight | 13 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W8X13 |
| Cross Sectional Area | A | 2477 mm2 |
| Section Width | b | 102 mm |
| Section Depth | d | 203 mm |
| Flange thickness | tf | 6.5 mm |
| Web thickness | tw | 5.8 mm |
| Radius of Gyration about X-X | rx | 82 mm |
| Radius of Gyrations about Y-Y | ry | 21 mm |
| Moment of Inertia about X-X | Ix | 16000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 1000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 162000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 22000 mm3 |
| Plastic Section Modulus about X-X | Zx | 187000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 35000 mm3 |
| St. Venant Torsional Constant | J | 36000 mm4 |
| Warping Torsion Constant | Cw | 11000000000 mm6 |
| Self Weight of section | Weight | 19 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W8X13 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 7.99 in (203 mm) and 4 in (102 mm) respectively. It weighs 13 lb/ft (19 kg/m) and has a cross sectional area of 3.84 in2 (2477 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