HSS18X10X3/8 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 18 | 457.2 mm |
| Width (w) | 10 | 254.0 mm |
| Wall Thickness (t) | 0.375 | 9.5 mm |
| Area (A) | 18.7 in² | 120.6 cm² |
| Weight | 68.31 lb/ft | 101.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 820 | 332 | in⁴ |
| Elastic Section Modulus (S) | 91.1 | 66.4 | in³ |
| Plastic Section Modulus (Z) | 111 | 74.2 | in³ |
| Radius of Gyration (r) | 6.61 | 4.21 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 752 | in⁴ |
| Warping Constant (Cw) | 0 | in⁶ |
Design Resources
- Section Properties Database — Compare with other sections
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a HSS18X10X3/8 section? 68.31 lb/ft (101.7 kg/m).
What is the section modulus of HSS18X10X3/8? Sx = 91.1 in³, Zx = 111 in³ (strong axis). Sy = 66.4 in³, Zy = 74.2 in³ (weak axis).
What steel grade is standard for HSS18X10X3/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS18X10X3/8? Ix = 820 in⁴ about the strong axis and Iy = 332 in⁴ about the weak axis. The radius of gyration is rx = 6.61 in and ry = 4.21 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.