S24X80 Steel S-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 24 | 609.6 mm |
| Flange Width (bf) | 7 | 17.78 cm |
| Flange Thickness (tf) | 0.87 | 22.1 mm |
| Web Thickness (tw) | 0.5 | 12.7 mm |
| Area (A) | 23.5 in² | 151.6 cm² |
| Weight | 80 lb/ft | 119.1 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2100 | 42 | in⁴ |
| Elastic Section Modulus (S) | 175 | 12 | in³ |
| Plastic Section Modulus (Z) | 204 | 20.8 | in³ |
| Radius of Gyration (r) | 9.47 | 1.34 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 4.89 | in⁴ |
| Warping Constant (Cw) | 5620 | in⁶ |
| Distance Between Flange Centroids (ho) | 23.1 | in |
| Effective Radius (rts) | 1.67 | in |
Design Resources
- Beam Capacity Calculator — Check S24X80 for your span and loads
- Column Capacity Calculator — Check S24X80 as a column
- Section Properties Database — Compare with other sections
- Steel Beam Sizes Reference — Full dimension table
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a S24X80 beam? 80 lb/ft (119.1 kg/m).
What is the section modulus of S24X80? Sx = 175 in³, Zx = 204 in³ (strong axis). Sy = 12 in³, Zy = 20.8 in³ (weak axis).
What steel grade is standard for S24X80? ASTM A36 (Fy = 36 ksi) for S-shapes. Verify with mill certificate.
What is the moment of inertia of S24X80? Ix = 2100 in⁴ about the strong axis and Iy = 42 in⁴ about the weak axis. The radius of gyration is rx = 9.47 in and ry = 1.34 in.
Related Pages
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.