CHS 141x15.9 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 141x15.9 steel profile weighs 49.0 kg/m (32.96 lb/ft). Cross-sectional area: 6,248.911 mm². Moment of inertia Ix = 1,242.191 cm⁴, Iy = 1,242.191 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	15.9 mm	0.63 in
Diameter (d)	141 mm	5.55 in
Weight	49.0 kg/m	32.96 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,248.91 mm²	9.686 in²
Moment of inertia (Ix)	1,242.19 cm⁴	29.84 in⁴
Moment of inertia (Iy)	1,242.19 cm⁴	29.84 in⁴
Elastic section modulus (Sx)	176.2 cm³	10.752 in³
Elastic section modulus (Sy)	176.2 cm³	10.752 in³
Plastic section modulus (Zx)	250.18 cm³	15.267 in³
Plastic section modulus (Zy)	250.18 cm³	15.267 in³
Radius of gyration (rx)	4.46 cm	1.755 in
Radius of gyration (ry)	4.46 cm	1.755 in