CHS 356x9.53 IMCA · Weight & Dimensions

IMCA, 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 356x9.53 steel profile weighs 81.4 kg/m (54.72 lb/ft). Cross-sectional area: 10,373.096 mm². Moment of inertia Ix = 15,576.797 cm⁴, Iy = 15,576.797 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	9.5 mm	0.38 in
Diameter (d)	356 mm	14.02 in
Weight	81.4 kg/m	54.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,373.1 mm²	16.078 in²
Moment of inertia (Ix)	15,576.8 cm⁴	374.23 in⁴
Moment of inertia (Iy)	15,576.8 cm⁴	374.23 in⁴
Elastic section modulus (Sx)	875.1 cm³	53.402 in³
Elastic section modulus (Sy)	875.1 cm³	53.402 in³
Plastic section modulus (Zx)	1,144.28 cm³	69.829 in³
Plastic section modulus (Zy)	1,144.28 cm³	69.829 in³
Radius of gyration (rx)	12.25 cm	4.824 in
Radius of gyration (ry)	12.25 cm	4.824 in