HSS22X18X3/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 22 558.8 mm
Width (w) 18 457.2 mm
Wall Thickness (t) 0.375 9.5 mm
Area (A) 27.1 in² 174.8 cm²
Weight 98.94 lb/ft 147.2 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 2000 1470 in⁴
Elastic Section Modulus (S) 182 164 in³
Plastic Section Modulus (Z) 212 185 in³
Radius of Gyration (r) 8.58 7.37 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 2620 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS22X18X3/8 section? 98.94 lb/ft (147.2 kg/m).

What is the section modulus of HSS22X18X3/8? Sx = 182 in³, Zx = 212 in³ (strong axis). Sy = 164 in³, Zy = 185 in³ (weak axis).

What steel grade is standard for HSS22X18X3/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS22X18X3/8? Ix = 2000 in⁴ about the strong axis and Iy = 1470 in⁴ about the weak axis. The radius of gyration is rx = 8.58 in and ry = 7.37 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.