CHS 356x19.05 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 356x19.05 steel profile weighs 158.3 kg/m (106.38 lb/ft). Cross-sectional area: 20,165.561 mm². Moment of inertia Ix = 28,710.265 cm⁴, Iy = 28,710.265 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	19.1 mm	0.75 in
Diameter (d)	356 mm	14.02 in
Weight	158.3 kg/m	106.38 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	20,165.56 mm²	31.257 in²
Moment of inertia (Ix)	28,710.27 cm⁴	689.76 in⁴
Moment of inertia (Iy)	28,710.27 cm⁴	689.76 in⁴
Elastic section modulus (Sx)	1,612.94 cm³	98.428 in³
Elastic section modulus (Sy)	1,612.94 cm³	98.428 in³
Plastic section modulus (Zx)	2,165.15 cm³	132.126 in³
Plastic section modulus (Zy)	2,165.15 cm³	132.126 in³
Radius of gyration (rx)	11.93 cm	4.698 in
Radius of gyration (ry)	11.93 cm	4.698 in