Dimensions and section properties for W18X130
Structural sectional properties for a W18X130 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W18X130 |
| Cross Sectional Area | A | 38.3 in2 |
| Section Width | b | 11.2 in |
| Section Depth | d | 19.3 in |
| Flange thickness | tf | 1.2 in |
| Web thickness | tw | 0.67 in |
| Radius of Gyration about X-X | rx | 8.03 in |
| Radius of Gyrations about Y-Y | ry | 2.7 in |
| Moment of Inertia about X-X | Ix | 2460 in4 |
| Moment of Intertia about Y-Y | Iy | 278 in4 |
| Elastic Section Modulus about X-X | Sx | 256 in3 |
| Elastic Section Modulus about Y-Y | Sy | 49.9 in3 |
| Plastic Section Modulus about X-X | Zx | 290 in3 |
| Plastic Section Modulus about Y-Y | Zy | 76.7 in3 |
| St. Venant Torsional Constant | J | 14.5 in4 |
| Warping Torsion Constant | Cw | 22700 in6 |
| Self Weight of section | Weight | 130 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W18X130 |
| Cross Sectional Area | A | 24710 mm2 |
| Section Width | b | 284 mm |
| Section Depth | d | 490 mm |
| Flange thickness | tf | 30.5 mm |
| Web thickness | tw | 17 mm |
| Radius of Gyration about X-X | rx | 204 mm |
| Radius of Gyrations about Y-Y | ry | 69 mm |
| Moment of Inertia about X-X | Ix | 1024000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 116000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 4195000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 818000 mm3 |
| Plastic Section Modulus about X-X | Zx | 4752000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 1257000 mm3 |
| St. Venant Torsional Constant | J | 6035000 mm4 |
| Warping Torsion Constant | Cw | 6096000000000 mm6 |
| Self Weight of section | Weight | 193 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W18X130 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 19.3 in (490 mm) and 11.2 in (284 mm) respectively. It weighs 130 lb/ft (193 kg/m) and has a cross sectional area of 38.3 in2 (24710 mm2).
The section has a tensile yield capacity of:
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The section has a flexural plastic moment capacity of:
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The section has a flexural elastic moment capacity of:
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