W24X131 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 24.50 | in (622.3 mm) |
| Flange Width (bf) | 12.90 | in (327.7 mm) |
| Flange Thickness (tf) | 0.96 | in |
| Web Thickness (tw) | 0.60 | in |
| Area (A) | 38.60 | in² (249.0 cm²) |
| Weight | 131 | lb/ft (195 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 4,020 | 340 | in⁴ |
| Elastic Section Modulus (S) | 329 | 53 | in³ |
| Plastic Section Modulus (Z) | 370 | 81.50 | in³ |
| Radius of Gyration (r) | 10.20 | 2.97 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 9.50 | in⁴ |
| Warping Constant (Cw) | 47,100 | in⁶ |
| Distance Between Flange Centroids (ho) | 23.50 | in |
| Effective Radius (rts) | 3.49 | in |
Design Resources
- Beam Capacity Calculator — Check W24X131 for your span and loads
- Column Capacity Calculator — Check W24X131 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 W24X131 beam? 131 lb/ft (195 kg/m). A 40-ft length weighs approximately 5,240 lbs.
What is the section modulus of W24X131? Sx = 329 in³ (strong axis) and Sy = 53 in³ (weak axis). The plastic section modulus Zx = 370 in³ and Zy = 81.5 in³.
What steel grade is standard for W24X131? 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 W24X131? Ix = 4020 in⁴ about the strong axis and Iy = 340 in⁴ about the weak axis. The radius of gyration is rx = 10.20 in and ry = 2.97 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.