HSS16X8X5/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 16 406.4 mm
Width (w) 8 203.2 mm
Wall Thickness (t) 0.625 15.9 mm
Area (A) 25.7 in² 165.8 cm²
Weight 93.34 lb/ft 138.9 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 815 274 in⁴
Elastic Section Modulus (S) 102 68.6 in³
Plastic Section Modulus (Z) 129 79.2 in³
Radius of Gyration (r) 5.64 3.27 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 681 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS16X8X5/8 section? 93.34 lb/ft (138.9 kg/m).

What is the section modulus of HSS16X8X5/8? Sx = 102 in³, Zx = 129 in³ (strong axis). Sy = 68.6 in³, Zy = 79.2 in³ (weak axis).

What steel grade is standard for HSS16X8X5/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS16X8X5/8? Ix = 815 in⁴ about the strong axis and Iy = 274 in⁴ about the weak axis. The radius of gyration is rx = 5.64 in and ry = 3.27 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.