Structural sectional properties for a WT9X129 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT9X129 |
| Cross Sectional Area | A | 38 in2 |
| Section Width | b | 11.8 in |
| Section Depth | d | 10.7 in |
| Flange thickness | tf | 2.3 in |
| Web thickness | tw | 1.28 in |
| Radius of Gyration about X-X | rx | 2.8 in |
| Radius of Gyrations about Y-Y | ry | 2.88 in |
| Moment of Inertia about X-X | Ix | 298 in4 |
| Moment of Intertia about Y-Y | Iy | 314 in4 |
| Elastic Section Modulus about X-X | Sx | 37 in3 |
| Elastic Section Modulus about Y-Y | Sy | 53.4 in3 |
| Plastic Section Modulus about X-X | Zx | 71 in3 |
| Plastic Section Modulus about Y-Y | Zy | 83.1 in3 |
| St. Venant Torsional Constant | J | 51.1 in4 |
| Warping Torsion Constant | Cw | 189 in6 |
| Self Weight of section | Weight | 129 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | WT |
| Section Name | Name | WT9X129 |
| Cross Sectional Area | A | 24516 mm2 |
| Section Width | b | 300 mm |
| Section Depth | d | 272 mm |
| Flange thickness | tf | 58.4 mm |
| Web thickness | tw | 32.5 mm |
| Radius of Gyration about X-X | rx | 71 mm |
| Radius of Gyrations about Y-Y | ry | 73 mm |
| Moment of Inertia about X-X | Ix | 124000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 131000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 606000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 875000 mm3 |
| Plastic Section Modulus about X-X | Zx | 1163000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 1362000 mm3 |
| St. Venant Torsional Constant | J | 21269000 mm4 |
| Warping Torsion Constant | Cw | 51000000000 mm6 |
| Self Weight of section | Weight | 192 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A WT9X129 steel section is a standard North American steel section in the WT - Tee Sections category. The height and width of the section are 10.7 in (272 mm) and 11.8 in (300 mm) respectively. It weighs 129 lb/ft (192 kg/m) and has a cross sectional area of 38 in2 (24516 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: