CHS 73x7.01 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 73x7.01 steel profile weighs 11.4 kg/m (7.67 lb/ft). Cross-sectional area: 1,453.269 mm². Moment of inertia Ix = 79.999 cm⁴, Iy = 79.999 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	7.0 mm	0.28 in
Diameter (d)	73 mm	2.87 in
Weight	11.4 kg/m	7.67 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,453.27 mm²	2.253 in²
Moment of inertia (Ix)	80 cm⁴	1.92 in⁴
Moment of inertia (Iy)	80 cm⁴	1.92 in⁴
Elastic section modulus (Sx)	21.92 cm³	1.337 in³
Elastic section modulus (Sy)	21.92 cm³	1.337 in³
Plastic section modulus (Zx)	30.64 cm³	1.870 in³
Plastic section modulus (Zy)	30.64 cm³	1.870 in³
Radius of gyration (rx)	2.35 cm	0.924 in
Radius of gyration (ry)	2.35 cm	0.924 in