ST6X17.5 Steel ST-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 6 | 152.4 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) | 5.12 in² | 33.0 cm² |
| Weight | 17.5 lb/ft | 26.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 17.2 | 4.92 | in⁴ |
| Elastic Section Modulus (S) | 3.95 | 1.94 | in³ |
| Plastic Section Modulus (Z) | 7.12 | 3.4 | in³ |
| Radius of Gyration (r) | 1.83 | 0.98 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.524 | in⁴ |
| Warping Constant (Cw) | 0.556 | in⁶ |
Design Resources
- 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 ST6X17.5 tee? 17.5 lb/ft (26.0 kg/m).
What is the section modulus of ST6X17.5? Sx = 3.95 in³, Zx = 7.12 in³ (strong axis). Sy = 1.94 in³, Zy = 3.4 in³ (weak axis).
What steel grade is standard for ST6X17.5? ASTM A36 (Fy = 36 ksi) for ST-shapes. Verify with mill certificate.
What is the moment of inertia of ST6X17.5? Ix = 17.2 in⁴ about the strong axis and Iy = 4.92 in⁴ about the weak axis. The radius of gyration is rx = 1.83 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.