CHS 73x8 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 steel profile weighs 12.8 kg/m (8.62 lb/ft). Cross-sectional area: 1,633.628 mm². Moment of inertia Ix = 87.583 cm⁴, Iy = 87.583 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8 mm	0.31 in
Diameter (d)	73 mm	2.87 in
Weight	12.8 kg/m	8.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,633.63 mm²	2.532 in²
Moment of inertia (Ix)	87.58 cm⁴	2.10 in⁴
Moment of inertia (Iy)	87.58 cm⁴	2.10 in⁴
Elastic section modulus (Sx)	24 cm³	1.464 in³
Elastic section modulus (Sy)	24 cm³	1.464 in³
Plastic section modulus (Zx)	33.97 cm³	2.073 in³
Plastic section modulus (Zy)	33.97 cm³	2.073 in³
Radius of gyration (rx)	2.32 cm	0.912 in
Radius of gyration (ry)	2.32 cm	0.912 in