Structural sectional properties for a W12X65 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W12X65 |
| Cross Sectional Area | A | 19.1 in2 |
| Section Width | b | 12 in |
| Section Depth | d | 12.1 in |
| Flange thickness | tf | 0.605 in |
| Web thickness | tw | 0.39 in |
| Radius of Gyration about X-X | rx | 5.28 in |
| Radius of Gyrations about Y-Y | ry | 3.02 in |
| Moment of Inertia about X-X | Ix | 533 in4 |
| Moment of Intertia about Y-Y | Iy | 174 in4 |
| Elastic Section Modulus about X-X | Sx | 87.9 in3 |
| Elastic Section Modulus about Y-Y | Sy | 29.1 in3 |
| Plastic Section Modulus about X-X | Zx | 96.8 in3 |
| Plastic Section Modulus about Y-Y | Zy | 44.1 in3 |
| St. Venant Torsional Constant | J | 2.18 in4 |
| Warping Torsion Constant | Cw | 5780 in6 |
| Self Weight of section | Weight | 65 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W12X65 |
| Cross Sectional Area | A | 12323 mm2 |
| Section Width | b | 305 mm |
| Section Depth | d | 307 mm |
| Flange thickness | tf | 15.4 mm |
| Web thickness | tw | 9.9 mm |
| Radius of Gyration about X-X | rx | 134 mm |
| Radius of Gyrations about Y-Y | ry | 77 mm |
| Moment of Inertia about X-X | Ix | 222000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 72000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 1440000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 477000 mm3 |
| Plastic Section Modulus about X-X | Zx | 1586000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 723000 mm3 |
| St. Venant Torsional Constant | J | 907000 mm4 |
| Warping Torsion Constant | Cw | 1552000000000 mm6 |
| Self Weight of section | Weight | 97 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W12X65 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 12.1 in (307 mm) and 12 in (305 mm) respectively. It weighs 65 lb/ft (97 kg/m) and has a cross sectional area of 19.1 in2 (12323 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: