ST9X27.35 Steel ST-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 9 | 228.6 mm |
| Flange Width (bf) | 6 | 15.24 cm |
| Flange Thickness (tf) | 0.691 | 17.6 mm |
| Web Thickness (tw) | 0.461 | 11.7 mm |
| Area (A) | 8.02 in² | 51.7 cm² |
| Weight | 27.35 lb/ft | 40.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 62.3 | 10.4 | in⁴ |
| Elastic Section Modulus (S) | 9.6 | 3.45 | in³ |
| Plastic Section Modulus (Z) | 17.3 | 6.06 | in³ |
| Radius of Gyration (r) | 2.79 | 1.14 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.16 | in⁴ |
| Warping Constant (Cw) | 2.26 | 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 ST9X27.35 tee? 27.35 lb/ft (40.7 kg/m).
What is the section modulus of ST9X27.35? Sx = 9.6 in³, Zx = 17.3 in³ (strong axis). Sy = 3.45 in³, Zy = 6.06 in³ (weak axis).
What steel grade is standard for ST9X27.35? ASTM A36 (Fy = 36 ksi) for ST-shapes. Verify with mill certificate.
What is the moment of inertia of ST9X27.35? Ix = 62.3 in⁴ about the strong axis and Iy = 10.4 in⁴ about the weak axis. The radius of gyration is rx = 2.79 in and ry = 1.14 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.