CHS 73x8.8 V&M do Brasil · Weight & Dimensions

V&M do Brasil, hot-rolled 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 73x8.8 steel profile weighs 13.9 kg/m (9.36 lb/ft). Cross-sectional area: 1,774.874 mm². Moment of inertia Ix = 93.16 cm⁴, Iy = 93.16 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8.8 mm	0.35 in
Diameter (d)	73 mm	2.87 in
Weight	13.9 kg/m	9.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,774.87 mm²	2.751 in²
Moment of inertia (Ix)	93.16 cm⁴	2.24 in⁴
Moment of inertia (Iy)	93.16 cm⁴	2.24 in⁴
Elastic section modulus (Sx)	25.52 cm³	1.558 in³
Elastic section modulus (Sy)	25.52 cm³	1.558 in³
Plastic section modulus (Zx)	36.5 cm³	2.227 in³
Plastic section modulus (Zy)	36.5 cm³	2.227 in³
Radius of gyration (rx)	2.29 cm	0.902 in
Radius of gyration (ry)	2.29 cm	0.902 in