CHS 48.4x3 SAISC · Weight & Dimensions

SAISC, cold-formed sections · Circular Hollow Section

Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.

Also known as: Caño estructural redondo (Argentina)

The CHS 48.4x3 steel profile weighs 3.4 kg/m (2.26 lb/ft). Cross-sectional area: 427.885 mm². Moment of inertia Ix = 11.072 cm⁴, Iy = 11.072 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3 mm	0.12 in
Diameter (d)	48.4 mm	1.91 in
Weight	3.4 kg/m	2.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	427.88 mm²	0.663 in²
Moment of inertia (Ix)	11.07 cm⁴	0.27 in⁴
Moment of inertia (Iy)	11.07 cm⁴	0.27 in⁴
Elastic section modulus (Sx)	4.58 cm³	0.279 in³
Elastic section modulus (Sy)	4.58 cm³	0.279 in³
Plastic section modulus (Zx)	6.19 cm³	0.378 in³
Plastic section modulus (Zy)	6.19 cm³	0.378 in³
Radius of gyration (rx)	1.61 cm	0.633 in
Radius of gyration (ry)	1.61 cm	0.633 in