CHS 356x15.1 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 356x15.1 steel profile weighs 127.0 kg/m (85.31 lb/ft). Cross-sectional area: 16,171.631 mm². Moment of inertia Ix = 23,537.975 cm⁴, Iy = 23,537.975 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	15.1 mm	0.59 in
Diameter (d)	356 mm	14.02 in
Weight	127.0 kg/m	85.31 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,171.63 mm²	25.066 in²
Moment of inertia (Ix)	23,537.97 cm⁴	565.50 in⁴
Moment of inertia (Iy)	23,537.97 cm⁴	565.50 in⁴
Elastic section modulus (Sx)	1,322.36 cm³	80.696 in³
Elastic section modulus (Sy)	1,322.36 cm³	80.696 in³
Plastic section modulus (Zx)	1,755.96 cm³	107.156 in³
Plastic section modulus (Zy)	1,755.96 cm³	107.156 in³
Radius of gyration (rx)	12.06 cm	4.750 in
Radius of gyration (ry)	12.06 cm	4.750 in