HSS4-1/2X4-1/2X1/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 4.5 114.3 mm
Width (w) 4.5 114.3 mm
Wall Thickness (t) 0.125 3.2 mm
Area (A) 2 in² 12.9 cm²
Weight 7.31 lb/ft 10.9 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 6.35 6.35 in⁴
Elastic Section Modulus (S) 2.82 2.82 in³
Plastic Section Modulus (Z) 3.27 3.27 in³
Radius of Gyration (r) 1.78 1.78 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 9.92 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS4-1/2X4-1/2X1/8 section? 7.31 lb/ft (10.9 kg/m).

What is the section modulus of HSS4-1/2X4-1/2X1/8? Sx = 2.82 in³, Zx = 3.27 in³ (strong axis). Sy = 2.82 in³, Zy = 3.27 in³ (weak axis).

What steel grade is standard for HSS4-1/2X4-1/2X1/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS4-1/2X4-1/2X1/8? Ix = 6.35 in⁴ about the strong axis and Iy = 6.35 in⁴ about the weak axis. The radius of gyration is rx = 1.78 in and ry = 1.78 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.