CHS 273x15.1 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 273x15.1 steel profile weighs 96.0 kg/m (64.54 lb/ft). Cross-sectional area: 12,234.273 mm². Moment of inertia Ix = 10,206.506 cm⁴, Iy = 10,206.506 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	15.1 mm	0.59 in
Diameter (d)	273 mm	10.75 in
Weight	96.0 kg/m	64.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,234.27 mm²	18.963 in²
Moment of inertia (Ix)	10,206.51 cm⁴	245.21 in⁴
Moment of inertia (Iy)	10,206.51 cm⁴	245.21 in⁴
Elastic section modulus (Sx)	747.73 cm³	45.629 in³
Elastic section modulus (Sy)	747.73 cm³	45.629 in³
Plastic section modulus (Zx)	1,005.49 cm³	61.359 in³
Plastic section modulus (Zy)	1,005.49 cm³	61.359 in³
Radius of gyration (rx)	9.13 cm	3.596 in
Radius of gyration (ry)	9.13 cm	3.596 in