HSS22X18X5/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 22 558.8 mm
Width (w) 18 457.2 mm
Wall Thickness (t) 0.313 7.9 mm
Area (A) 22.7 in² 146.5 cm²
Weight 82.88 lb/ft 123.3 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 1680 1240 in⁴
Elastic Section Modulus (S) 153 138 in³
Plastic Section Modulus (Z) 178 156 in³
Radius of Gyration (r) 8.61 7.4 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 2200 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS22X18X5/16 section? 82.88 lb/ft (123.3 kg/m).

What is the section modulus of HSS22X18X5/16? Sx = 153 in³, Zx = 178 in³ (strong axis). Sy = 138 in³, Zy = 156 in³ (weak axis).

What steel grade is standard for HSS22X18X5/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS22X18X5/16? Ix = 1680 in⁴ about the strong axis and Iy = 1240 in⁴ about the weak axis. The radius of gyration is rx = 8.61 in and ry = 7.4 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.