Dimensions and section properties for W27X129
Structural sectional properties for a W27X129 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W27X129 |
| Cross Sectional Area | A | 37.8 in2 |
| Section Width | b | 10 in |
| Section Depth | d | 27.6 in |
| Flange thickness | tf | 1.1 in |
| Web thickness | tw | 0.61 in |
| Radius of Gyration about X-X | rx | 11.2 in |
| Radius of Gyrations about Y-Y | ry | 2.21 in |
| Moment of Inertia about X-X | Ix | 4760 in4 |
| Moment of Intertia about Y-Y | Iy | 184 in4 |
| Elastic Section Modulus about X-X | Sx | 345 in3 |
| Elastic Section Modulus about Y-Y | Sy | 36.8 in3 |
| Plastic Section Modulus about X-X | Zx | 395 in3 |
| Plastic Section Modulus about Y-Y | Zy | 57.6 in3 |
| St. Venant Torsional Constant | J | 11.1 in4 |
| Warping Torsion Constant | Cw | 32500 in6 |
| Self Weight of section | Weight | 129 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W27X129 |
| Cross Sectional Area | A | 24387 mm2 |
| Section Width | b | 254 mm |
| Section Depth | d | 701 mm |
| Flange thickness | tf | 27.9 mm |
| Web thickness | tw | 15.5 mm |
| Radius of Gyration about X-X | rx | 284 mm |
| Radius of Gyrations about Y-Y | ry | 56 mm |
| Moment of Inertia about X-X | Ix | 1981000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 77000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 5654000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 603000 mm3 |
| Plastic Section Modulus about X-X | Zx | 6473000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 944000 mm3 |
| St. Venant Torsional Constant | J | 4620000 mm4 |
| Warping Torsion Constant | Cw | 8727000000000 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 W27X129 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 27.6 in (701 mm) and 10 in (254 mm) respectively. It weighs 129 lb/ft (192 kg/m) and has a cross sectional area of 37.8 in2 (24387 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