W10X68 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 10.40 | in (264.2 mm) |
| Flange Width (bf) | 10.10 | in (256.5 mm) |
| Flange Thickness (tf) | 0.77 | in |
| Web Thickness (tw) | 0.47 | in |
| Area (A) | 19.90 | in² (128.4 cm²) |
| Weight | 68 | lb/ft (101 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 394 | 134 | in⁴ |
| Elastic Section Modulus (S) | 75.70 | 26.40 | in³ |
| Plastic Section Modulus (Z) | 85.30 | 40.10 | in³ |
| Radius of Gyration (r) | 4.44 | 2.59 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 3.56 | in⁴ |
| Warping Constant (Cw) | 3,100 | in⁶ |
| Distance Between Flange Centroids (ho) | 9.63 | in |
| Effective Radius (rts) | 2.92 | in |
Design Resources
- Beam Capacity Calculator — Check W10X68 for your span and loads
- Column Capacity Calculator — Check W10X68 as a column
- Section Properties Database — Compare with other sections
- Steel Beam Sizes Reference — Full W-shape dimension table
- Steel Grades Reference — A992/A572 material properties
Frequently Asked Questions
What is the weight of a W10X68 beam? 68 lb/ft (101 kg/m). A 40-ft length weighs approximately 2,720 lbs.
What is the section modulus of W10X68? Sx = 75.7 in³ (strong axis) and Sy = 26.4 in³ (weak axis). The plastic section modulus Zx = 85.3 in³ and Zy = 40.1 in³.
What steel grade is standard for W10X68? Typically ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for W-shapes. Also available in A572 Grade 50 or A36. Verify with mill certificate.
What is the moment of inertia of W10X68? Ix = 394 in⁴ about the strong axis and Iy = 134 in⁴ about the weak axis. The radius of gyration is rx = 4.44 in and ry = 2.59 in.
Related Pages
- Steel Beam Sizes Reference
- Beam Capacity Calculator
- Column Capacity Calculator
- Section Properties Database
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.