Dimensions and section properties for W12X87
Structural sectional properties for a W12X87 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W12X87 |
| Cross Sectional Area | A | 25.6 in2 |
| Section Width | b | 12.1 in |
| Section Depth | d | 12.5 in |
| Flange thickness | tf | 0.81 in |
| Web thickness | tw | 0.515 in |
| Radius of Gyration about X-X | rx | 5.38 in |
| Radius of Gyrations about Y-Y | ry | 3.07 in |
| Moment of Inertia about X-X | Ix | 740 in4 |
| Moment of Intertia about Y-Y | Iy | 241 in4 |
| Elastic Section Modulus about X-X | Sx | 118 in3 |
| Elastic Section Modulus about Y-Y | Sy | 39.7 in3 |
| Plastic Section Modulus about X-X | Zx | 132 in3 |
| Plastic Section Modulus about Y-Y | Zy | 60.4 in3 |
| St. Venant Torsional Constant | J | 5.1 in4 |
| Warping Torsion Constant | Cw | 8270 in6 |
| Self Weight of section | Weight | 87 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W12X87 |
| Cross Sectional Area | A | 16516 mm2 |
| Section Width | b | 307 mm |
| Section Depth | d | 318 mm |
| Flange thickness | tf | 20.6 mm |
| Web thickness | tw | 13.1 mm |
| Radius of Gyration about X-X | rx | 137 mm |
| Radius of Gyrations about Y-Y | ry | 78 mm |
| Moment of Inertia about X-X | Ix | 308000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 100000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 1934000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 651000 mm3 |
| Plastic Section Modulus about X-X | Zx | 2163000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 990000 mm3 |
| St. Venant Torsional Constant | J | 2123000 mm4 |
| Warping Torsion Constant | Cw | 2221000000000 mm6 |
| Self Weight of section | Weight | 129 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W12X87 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 12.5 in (318 mm) and 12.1 in (307 mm) respectively. It weighs 87 lb/ft (129 kg/m) and has a cross sectional area of 25.6 in2 (16516 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