HSS7X2X1/4 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 7 177.8 mm
Width (w) 2 50.8 mm
Wall Thickness (t) 0.25 6.3 mm
Area (A) 3.84 in² 24.8 cm²
Weight 13.91 lb/ft 20.7 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 19.8 2.58 in⁴
Elastic Section Modulus (S) 5.67 2.58 in³
Plastic Section Modulus (Z) 7.64 3.02 in³
Radius of Gyration (r) 2.27 0.819 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 7.95 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS7X2X1/4 section? 13.91 lb/ft (20.7 kg/m).

What is the section modulus of HSS7X2X1/4? Sx = 5.67 in³, Zx = 7.64 in³ (strong axis). Sy = 2.58 in³, Zy = 3.02 in³ (weak axis).

What steel grade is standard for HSS7X2X1/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS7X2X1/4? Ix = 19.8 in⁴ about the strong axis and Iy = 2.58 in⁴ about the weak axis. The radius of gyration is rx = 2.27 in and ry = 0.819 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.