W8x18 — Dimensions and Section Properties
Dimensions and key properties
- Weight
- = 18 lb/ft
- A
- = 5.26 in²
- d
- = 8.14 in
- Ix
- = 61.9 in⁴
- Sx
- = 15.2 in³
- Zx
- = 17 in³
- rx
- = 3.43 in
- ry
- = 1.23 in
Section properties
| Property | Value | Unit |
|---|---|---|
| Weight | 18 | lb/ft |
| A | 5.26 | in² |
| d | 8.14 | in |
| bf | 5.25 | in |
| tf | 0.33 | in |
| tw | 0.23 | in |
| Ix | 61.9 | in⁴ |
| Sx | 15.2 | in³ |
| Zx | 17 | in³ |
| rx | 3.43 | in |
| Iy | 7.97 | in⁴ |
| Sy | 3.04 | in³ |
| Zy | 4.66 | in³ |
| ry | 1.23 | in |
Other sizes in the W8 series
Relevant tools
- Steel Shape Properties Table
search and compare W8x18 against other sections
- Beam Shear, Moment and Deflection Diagram Calculator
find the moment this section has to carry, and how far it deflects under load
- ASTM A992
the grade most W-shapes are supplied in