HSS7X3X3/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 7 177.8 mm
Width (w) 3 76.2 mm
Wall Thickness (t) 0.188 4.8 mm
Area (A) 3.28 in² 21.2 cm²
Weight 11.97 lb/ft 17.8 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 19.8 5.24 in⁴
Elastic Section Modulus (S) 5.65 3.5 in³
Plastic Section Modulus (Z) 7.14 3.94 in³
Radius of Gyration (r) 2.45 1.26 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 13.7 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS7X3X3/16 section? 11.97 lb/ft (17.8 kg/m).

What is the section modulus of HSS7X3X3/16? Sx = 5.65 in³, Zx = 7.14 in³ (strong axis). Sy = 3.5 in³, Zy = 3.94 in³ (weak axis).

What steel grade is standard for HSS7X3X3/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS7X3X3/16? Ix = 19.8 in⁴ about the strong axis and Iy = 5.24 in⁴ about the weak axis. The radius of gyration is rx = 2.45 in and ry = 1.26 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.