Dimensions and section properties for W16X31
Structural sectional properties for a W16X31 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W16X31 |
| Cross Sectional Area | A | 9.13 in2 |
| Section Width | b | 5.53 in |
| Section Depth | d | 15.9 in |
| Flange thickness | tf | 0.44 in |
| Web thickness | tw | 0.275 in |
| Radius of Gyration about X-X | rx | 6.41 in |
| Radius of Gyrations about Y-Y | ry | 1.17 in |
| Moment of Inertia about X-X | Ix | 375 in4 |
| Moment of Intertia about Y-Y | Iy | 12.4 in4 |
| Elastic Section Modulus about X-X | Sx | 47.2 in3 |
| Elastic Section Modulus about Y-Y | Sy | 4.49 in3 |
| Plastic Section Modulus about X-X | Zx | 54 in3 |
| Plastic Section Modulus about Y-Y | Zy | 7.03 in3 |
| St. Venant Torsional Constant | J | 0.461 in4 |
| Warping Torsion Constant | Cw | 739 in6 |
| Self Weight of section | Weight | 31 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W16X31 |
| Cross Sectional Area | A | 5890 mm2 |
| Section Width | b | 140 mm |
| Section Depth | d | 404 mm |
| Flange thickness | tf | 11.2 mm |
| Web thickness | tw | 7 mm |
| Radius of Gyration about X-X | rx | 163 mm |
| Radius of Gyrations about Y-Y | ry | 30 mm |
| Moment of Inertia about X-X | Ix | 156000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 5000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 773000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 74000 mm3 |
| Plastic Section Modulus about X-X | Zx | 885000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 115000 mm3 |
| St. Venant Torsional Constant | J | 192000 mm4 |
| Warping Torsion Constant | Cw | 198000000000 mm6 |
| Self Weight of section | Weight | 46 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W16X31 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 15.9 in (404 mm) and 5.53 in (140 mm) respectively. It weighs 31 lb/ft (46 kg/m) and has a cross sectional area of 9.13 in2 (5890 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:
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