Structural sectional properties for a W30X173 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W30X173 |
| Cross Sectional Area | A | 50.9 in2 |
| Section Width | b | 15 in |
| Section Depth | d | 30.4 in |
| Flange thickness | tf | 1.07 in |
| Web thickness | tw | 0.655 in |
| Radius of Gyration about X-X | rx | 12.7 in |
| Radius of Gyrations about Y-Y | ry | 3.42 in |
| Moment of Inertia about X-X | Ix | 8230 in4 |
| Moment of Intertia about Y-Y | Iy | 598 in4 |
| Elastic Section Modulus about X-X | Sx | 541 in3 |
| Elastic Section Modulus about Y-Y | Sy | 79.8 in3 |
| Plastic Section Modulus about X-X | Zx | 607 in3 |
| Plastic Section Modulus about Y-Y | Zy | 123 in3 |
| St. Venant Torsional Constant | J | 15.6 in4 |
| Warping Torsion Constant | Cw | 129000 in6 |
| Self Weight of section | Weight | 173 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W30X173 |
| Cross Sectional Area | A | 32839 mm2 |
| Section Width | b | 381 mm |
| Section Depth | d | 772 mm |
| Flange thickness | tf | 27.2 mm |
| Web thickness | tw | 16.6 mm |
| Radius of Gyration about X-X | rx | 323 mm |
| Radius of Gyrations about Y-Y | ry | 87 mm |
| Moment of Inertia about X-X | Ix | 3426000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 249000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 8865000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 1308000 mm3 |
| Plastic Section Modulus about X-X | Zx | 9947000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 2016000 mm3 |
| St. Venant Torsional Constant | J | 6493000 mm4 |
| Warping Torsion Constant | Cw | 34641000000000 mm6 |
| Self Weight of section | Weight | 257 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W30X173 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 30.4 in (772 mm) and 15 in (381 mm) respectively. It weighs 173 lb/ft (257 kg/m) and has a cross sectional area of 50.9 in2 (32839 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: