HSS3-1/2X2-1/2X5/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 3.5 88.9 mm
Width (w) 2.5 63.5 mm
Wall Thickness (t) 0.313 7.9 mm
Area (A) 2.94 in² 19.0 cm²
Weight 10.58 lb/ft 15.7 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 4.34 2.54 in⁴
Elastic Section Modulus (S) 2.48 2.03 in³
Plastic Section Modulus (Z) 3.2 2.52 in³
Radius of Gyration (r) 1.22 0.93 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 5.53 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS3-1/2X2-1/2X5/16 section? 10.58 lb/ft (15.7 kg/m).

What is the section modulus of HSS3-1/2X2-1/2X5/16? Sx = 2.48 in³, Zx = 3.2 in³ (strong axis). Sy = 2.03 in³, Zy = 2.52 in³ (weak axis).

What steel grade is standard for HSS3-1/2X2-1/2X5/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS3-1/2X2-1/2X5/16? Ix = 4.34 in⁴ about the strong axis and Iy = 2.54 in⁴ about the weak axis. The radius of gyration is rx = 1.22 in and ry = 0.93 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.