HSS6X6X3/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 6 152.4 mm
Width (w) 6 152.4 mm
Wall Thickness (t) 0.375 9.5 mm
Area (A) 7.58 in² 48.9 cm²
Weight 27.48 lb/ft 40.9 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 39.5 39.5 in⁴
Elastic Section Modulus (S) 13.2 13.2 in³
Plastic Section Modulus (Z) 15.8 15.8 in³
Radius of Gyration (r) 2.28 2.28 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 64.6 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS6X6X3/8 section? 27.48 lb/ft (40.9 kg/m).

What is the section modulus of HSS6X6X3/8? Sx = 13.2 in³, Zx = 15.8 in³ (strong axis). Sy = 13.2 in³, Zy = 15.8 in³ (weak axis).

What steel grade is standard for HSS6X6X3/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS6X6X3/8? Ix = 39.5 in⁴ about the strong axis and Iy = 39.5 in⁴ about the weak axis. The radius of gyration is rx = 2.28 in and ry = 2.28 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.