HSS8X2X1/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 8 203.2 mm
Width (w) 2 50.8 mm
Wall Thickness (t) 0.125 3.2 mm
Area (A) 2.23 in² 14.4 cm²
Weight 8.16 lb/ft 12.1 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 15.7 1.72 in⁴
Elastic Section Modulus (S) 3.93 1.72 in³
Plastic Section Modulus (Z) 5.19 1.9 in³
Radius of Gyration (r) 2.65 0.879 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 5.3 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS8X2X1/8 section? 8.16 lb/ft (12.1 kg/m).

What is the section modulus of HSS8X2X1/8? Sx = 3.93 in³, Zx = 5.19 in³ (strong axis). Sy = 1.72 in³, Zy = 1.9 in³ (weak axis).

What steel grade is standard for HSS8X2X1/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS8X2X1/8? Ix = 15.7 in⁴ about the strong axis and Iy = 1.72 in⁴ about the weak axis. The radius of gyration is rx = 2.65 in and ry = 0.879 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.