W21x68 — Dimensions and Section Properties
Dimensions and key properties
- Weight
- = 68 lb/ft
- A
- = 20 in²
- d
- = 21.1 in
- Ix
- = 1,480 in⁴
- Sx
- = 140 in³
- Zx
- = 160 in³
- rx
- = 8.6 in
- ry
- = 1.8 in
Section properties
| Property | Value | Unit |
|---|---|---|
| Weight | 68 | lb/ft |
| A | 20 | in² |
| d | 21.1 | in |
| bf | 8.27 | in |
| tf | 0.685 | in |
| tw | 0.43 | in |
| Ix | 1,480 | in⁴ |
| Sx | 140 | in³ |
| Zx | 160 | in³ |
| rx | 8.6 | in |
| Iy | 64.7 | in⁴ |
| Sy | 15.7 | in³ |
| Zy | 24.4 | in³ |
| ry | 1.8 | in |
Other sizes in the W21 series
Relevant tools
- Steel Shape Properties Table
search and compare W21x68 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