Structural sectional properties for a W12X305 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W12X305 |
| Cross Sectional Area | A | 89.5 in2 |
| Section Width | b | 13.2 in |
| Section Depth | d | 16.3 in |
| Flange thickness | tf | 2.71 in |
| Web thickness | tw | 1.63 in |
| Radius of Gyration about X-X | rx | 6.29 in |
| Radius of Gyrations about Y-Y | ry | 3.42 in |
| Moment of Inertia about X-X | Ix | 3550 in4 |
| Moment of Intertia about Y-Y | Iy | 1050 in4 |
| Elastic Section Modulus about X-X | Sx | 435 in3 |
| Elastic Section Modulus about Y-Y | Sy | 159 in3 |
| Plastic Section Modulus about X-X | Zx | 537 in3 |
| Plastic Section Modulus about Y-Y | Zy | 244 in3 |
| St. Venant Torsional Constant | J | 185 in4 |
| Warping Torsion Constant | Cw | 48600 in6 |
| Self Weight of section | Weight | 305 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W12X305 |
| Cross Sectional Area | A | 57742 mm2 |
| Section Width | b | 335 mm |
| Section Depth | d | 414 mm |
| Flange thickness | tf | 68.8 mm |
| Web thickness | tw | 41.4 mm |
| Radius of Gyration about X-X | rx | 160 mm |
| Radius of Gyrations about Y-Y | ry | 87 mm |
| Moment of Inertia about X-X | Ix | 1478000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 437000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 7128000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 2606000 mm3 |
| Plastic Section Modulus about X-X | Zx | 8800000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 3998000 mm3 |
| St. Venant Torsional Constant | J | 77003000 mm4 |
| Warping Torsion Constant | Cw | 13051000000000 mm6 |
| Self Weight of section | Weight | 454 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W12X305 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 16.3 in (414 mm) and 13.2 in (335 mm) respectively. It weighs 305 lb/ft (454 kg/m) and has a cross sectional area of 89.5 in2 (57742 mm2).
The section has a tensile yield capacity of:
The section has a flexural plastic moment capacity of:
The section has a flexural elastic moment capacity of: