Dimensions and section properties for W33X318
Structural sectional properties for a W33X318 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W33X318 |
| Cross Sectional Area | A | 93.7 in2 |
| Section Width | b | 16 in |
| Section Depth | d | 35.2 in |
| Flange thickness | tf | 1.89 in |
| Web thickness | tw | 1.04 in |
| Radius of Gyration about X-X | rx | 14.5 in |
| Radius of Gyrations about Y-Y | ry | 3.71 in |
| Moment of Inertia about X-X | Ix | 19500 in4 |
| Moment of Intertia about Y-Y | Iy | 1290 in4 |
| Elastic Section Modulus about X-X | Sx | 1110 in3 |
| Elastic Section Modulus about Y-Y | Sy | 161 in3 |
| Plastic Section Modulus about X-X | Zx | 1270 in3 |
| Plastic Section Modulus about Y-Y | Zy | 250 in3 |
| St. Venant Torsional Constant | J | 84.4 in4 |
| Warping Torsion Constant | Cw | 357000 in6 |
| Self Weight of section | Weight | 318 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W33X318 |
| Cross Sectional Area | A | 60451 mm2 |
| Section Width | b | 406 mm |
| Section Depth | d | 894 mm |
| Flange thickness | tf | 48 mm |
| Web thickness | tw | 26.4 mm |
| Radius of Gyration about X-X | rx | 368 mm |
| Radius of Gyrations about Y-Y | ry | 94 mm |
| Moment of Inertia about X-X | Ix | 8117000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 537000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 18190000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 2638000 mm3 |
| Plastic Section Modulus about X-X | Zx | 20812000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 4097000 mm3 |
| St. Venant Torsional Constant | J | 35130000 mm4 |
| Warping Torsion Constant | Cw | 95867000000000 mm6 |
| Self Weight of section | Weight | 473 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W33X318 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 35.2 in (894 mm) and 16 in (406 mm) respectively. It weighs 318 lb/ft (473 kg/m) and has a cross sectional area of 93.7 in2 (60451 mm2).
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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