S12X35 Steel S-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12 | 304.8 mm |
| Flange Width (bf) | 5.08 | 12.90 cm |
| Flange Thickness (tf) | 0.544 | 13.8 mm |
| Web Thickness (tw) | 0.428 | 10.9 mm |
| Area (A) | 10.2 in² | 65.8 cm² |
| Weight | 35 lb/ft | 52.1 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 228 | 9.84 | in⁴ |
| Elastic Section Modulus (S) | 38.1 | 3.88 | in³ |
| Plastic Section Modulus (Z) | 44.6 | 6.8 | in³ |
| Radius of Gyration (r) | 4.72 | 0.98 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.05 | in⁴ |
| Warping Constant (Cw) | 323 | in⁶ |
| Distance Between Flange Centroids (ho) | 11.5 | in |
| Effective Radius (rts) | 1.22 | in |
Design Resources
- Beam Capacity Calculator — Check S12X35 for your span and loads
- Column Capacity Calculator — Check S12X35 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 S12X35 beam? 35 lb/ft (52.1 kg/m).
What is the section modulus of S12X35? Sx = 38.1 in³, Zx = 44.6 in³ (strong axis). Sy = 3.88 in³, Zy = 6.8 in³ (weak axis).
What steel grade is standard for S12X35? ASTM A36 (Fy = 36 ksi) for S-shapes. Verify with mill certificate.
What is the moment of inertia of S12X35? Ix = 228 in⁴ about the strong axis and Iy = 9.84 in⁴ about the weak axis. The radius of gyration is rx = 4.72 in and ry = 0.98 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.