HSS18X10X1/4 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 18 457.2 mm
Width (w) 10 254.0 mm
Wall Thickness (t) 0.25 6.3 mm
Area (A) 12.7 in² 81.9 cm²
Weight 46.24 lb/ft 68.8 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 566 230 in⁴
Elastic Section Modulus (S) 62.9 46.1 in³
Plastic Section Modulus (Z) 76 50.9 in³
Radius of Gyration (r) 6.68 4.26 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 515 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS18X10X1/4 section? 46.24 lb/ft (68.8 kg/m).

What is the section modulus of HSS18X10X1/4? Sx = 62.9 in³, Zx = 76 in³ (strong axis). Sy = 46.1 in³, Zy = 50.9 in³ (weak axis).

What steel grade is standard for HSS18X10X1/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS18X10X1/4? Ix = 566 in⁴ about the strong axis and Iy = 230 in⁴ about the weak axis. The radius of gyration is rx = 6.68 in and ry = 4.26 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.