Section properties for W18X311
Structural sectional properties for a W18X311 standard steel section
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W18X311 |
| Cross Sectional Area | A | 91.6 in2 |
| Section Width | b | 12 in |
| Section Depth | d | 22.3 in |
| Flange thickness | tf | 2.74 in |
| Web thickness | tw | 1.52 in |
| Radius of Gyration about X-X | rx | 8.72 in |
| Radius of Gyrations about Y-Y | ry | 2.95 in |
| Moment of Inertia about X-X | Ix | 6970 in4 |
| Moment of Intertia about Y-Y | Iy | 795 in4 |
| Elastic Section Modulus about X-X | Sx | 624 in3 |
| Elastic Section Modulus about Y-Y | Sy | 132 in3 |
| Plastic Section Modulus about X-X | Zx | 754 in3 |
| Plastic Section Modulus about Y-Y | Zy | 207 in3 |
| St. Venant Torsional Constant | J | 176 in4 |
| Warping Torsion Constant | Cw | 76200 in6 |
| Self Weight of section per foot | Weight | 311 lb/ft |
A W18X311 steel section is a standard North American steel section in the W - Wide Flange category. It weighs 311 lb/ft and has a cross sectional area of 91.6 in2. The height and width of the section are 22.3 in and 12 in respectively.
The section has a tensile yield capacity of:
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The section has a flexural plastic moment capacity of:
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The section has a flexural elastic moment capacity of:
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