HSS7X7X3/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 7 177.8 mm
Width (w) 7 177.8 mm
Wall Thickness (t) 0.188 4.8 mm
Area (A) 4.67 in² 30.1 cm²
Weight 17.08 lb/ft 25.4 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 36 36 in⁴
Elastic Section Modulus (S) 10.3 10.3 in³
Plastic Section Modulus (Z) 11.9 11.9 in³
Radius of Gyration (r) 2.77 2.77 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 56.1 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS7X7X3/16 section? 17.08 lb/ft (25.4 kg/m).

What is the section modulus of HSS7X7X3/16? Sx = 10.3 in³, Zx = 11.9 in³ (strong axis). Sy = 10.3 in³, Zy = 11.9 in³ (weak axis).

What steel grade is standard for HSS7X7X3/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS7X7X3/16? Ix = 36 in⁴ about the strong axis and Iy = 36 in⁴ about the weak axis. The radius of gyration is rx = 2.77 in and ry = 2.77 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.