HSS6X3X5/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 6 152.4 mm
Width (w) 3 76.2 mm
Wall Thickness (t) 0.313 7.9 mm
Area (A) 4.68 in² 30.2 cm²
Weight 16.96 lb/ft 25.2 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 20.1 6.67 in⁴
Elastic Section Modulus (S) 6.69 4.45 in³
Plastic Section Modulus (Z) 8.61 5.27 in³
Radius of Gyration (r) 2.07 1.19 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 16.9 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS6X3X5/16 section? 16.96 lb/ft (25.2 kg/m).

What is the section modulus of HSS6X3X5/16? Sx = 6.69 in³, Zx = 8.61 in³ (strong axis). Sy = 4.45 in³, Zy = 5.27 in³ (weak axis).

What steel grade is standard for HSS6X3X5/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS6X3X5/16? Ix = 20.1 in⁴ about the strong axis and Iy = 6.67 in⁴ about the weak axis. The radius of gyration is rx = 2.07 in and ry = 1.19 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.