HSS24X20X3/4 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 24 609.6 mm
Width (w) 20 508.0 mm
Wall Thickness (t) 0.75 19.0 mm
Area (A) 58.2 in² 375.5 cm²
Weight 212 lb/ft 315.5 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 4960 3750 in⁴
Elastic Section Modulus (S) 413 375 in³
Plastic Section Modulus (Z) 489 432 in³
Radius of Gyration (r) 9.23 8.02 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 6740 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS24X20X3/4 section? 212 lb/ft (315.5 kg/m).

What is the section modulus of HSS24X20X3/4? Sx = 413 in³, Zx = 489 in³ (strong axis). Sy = 375 in³, Zy = 432 in³ (weak axis).

What steel grade is standard for HSS24X20X3/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS24X20X3/4? Ix = 4960 in⁴ about the strong axis and Iy = 3750 in⁴ about the weak axis. The radius of gyration is rx = 9.23 in and ry = 8.02 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.