HSS6X6X5/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 6 152.4 mm
Width (w) 6 152.4 mm
Wall Thickness (t) 0.313 7.9 mm
Area (A) 6.43 in² 41.5 cm²
Weight 23.34 lb/ft 34.7 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 34.3 34.3 in⁴
Elastic Section Modulus (S) 11.4 11.4 in³
Plastic Section Modulus (Z) 13.6 13.6 in³
Radius of Gyration (r) 2.31 2.31 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 55.4 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS6X6X5/16 section? 23.34 lb/ft (34.7 kg/m).

What is the section modulus of HSS6X6X5/16? Sx = 11.4 in³, Zx = 13.6 in³ (strong axis). Sy = 11.4 in³, Zy = 13.6 in³ (weak axis).

What steel grade is standard for HSS6X6X5/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS6X6X5/16? Ix = 34.3 in⁴ about the strong axis and Iy = 34.3 in⁴ about the weak axis. The radius of gyration is rx = 2.31 in and ry = 2.31 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.