HSS7X5X1/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 7 177.8 mm
Width (w) 5 127.0 mm
Wall Thickness (t) 0.125 3.2 mm
Area (A) 2.7 in² 17.4 cm²
Weight 9.86 lb/ft 14.7 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 19.3 11.6 in⁴
Elastic Section Modulus (S) 5.52 4.63 in³
Plastic Section Modulus (Z) 6.53 5.2 in³
Radius of Gyration (r) 2.68 2.07 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 22.5 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS7X5X1/8 section? 9.86 lb/ft (14.7 kg/m).

What is the section modulus of HSS7X5X1/8? Sx = 5.52 in³, Zx = 6.53 in³ (strong axis). Sy = 4.63 in³, Zy = 5.2 in³ (weak axis).

What steel grade is standard for HSS7X5X1/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS7X5X1/8? Ix = 19.3 in⁴ about the strong axis and Iy = 11.6 in⁴ about the weak axis. The radius of gyration is rx = 2.68 in and ry = 2.07 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.