Dimensions and section properties for W18X283
Structural sectional properties for a W18X283 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W18X283 |
| Cross Sectional Area | A | 83.3 in2 |
| Section Width | b | 11.9 in |
| Section Depth | d | 21.9 in |
| Flange thickness | tf | 2.5 in |
| Web thickness | tw | 1.4 in |
| Radius of Gyration about X-X | rx | 8.61 in |
| Radius of Gyrations about Y-Y | ry | 2.91 in |
| Moment of Inertia about X-X | Ix | 6170 in4 |
| Moment of Intertia about Y-Y | Iy | 704 in4 |
| Elastic Section Modulus about X-X | Sx | 565 in3 |
| Elastic Section Modulus about Y-Y | Sy | 118 in3 |
| Plastic Section Modulus about X-X | Zx | 676 in3 |
| Plastic Section Modulus about Y-Y | Zy | 185 in3 |
| St. Venant Torsional Constant | J | 134 in4 |
| Warping Torsion Constant | Cw | 65900 in6 |
| Self Weight of section | Weight | 283 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W18X283 |
| Cross Sectional Area | A | 53742 mm2 |
| Section Width | b | 302 mm |
| Section Depth | d | 556 mm |
| Flange thickness | tf | 63.5 mm |
| Web thickness | tw | 35.6 mm |
| Radius of Gyration about X-X | rx | 219 mm |
| Radius of Gyrations about Y-Y | ry | 74 mm |
| Moment of Inertia about X-X | Ix | 2568000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 293000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 9259000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 1934000 mm3 |
| Plastic Section Modulus about X-X | Zx | 11078000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 3032000 mm3 |
| St. Venant Torsional Constant | J | 55775000 mm4 |
| Warping Torsion Constant | Cw | 17697000000000 mm6 |
| Self Weight of section | Weight | 421 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W18X283 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 21.9 in (556 mm) and 11.9 in (302 mm) respectively. It weighs 283 lb/ft (421 kg/m) and has a cross sectional area of 83.3 in2 (53742 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