CHS 48x7.1 AHMSA · Weight & Dimensions

AHMSA, 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 48x7.1 steel profile weighs 7.2 kg/m (4.81 lb/ft). Cross-sectional area: 912.287 mm². Moment of inertia Ix = 19.651 cm⁴, Iy = 19.651 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	7.1 mm	0.28 in
Diameter (d)	48 mm	1.89 in
Weight	7.2 kg/m	4.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	912.29 mm²	1.414 in²
Moment of inertia (Ix)	19.65 cm⁴	0.47 in⁴
Moment of inertia (Iy)	19.65 cm⁴	0.47 in⁴
Elastic section modulus (Sx)	8.19 cm³	0.500 in³
Elastic section modulus (Sy)	8.19 cm³	0.500 in³
Plastic section modulus (Zx)	12 cm³	0.732 in³
Plastic section modulus (Zy)	12 cm³	0.732 in³
Radius of gyration (rx)	1.47 cm	0.578 in
Radius of gyration (ry)	1.47 cm	0.578 in