CHS 73x3.6 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 73x3.6 steel profile weighs 6.2 kg/m (4.14 lb/ft). Cross-sectional area: 784.896 mm². Moment of inertia Ix = 47.381 cm⁴, Iy = 47.381 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.6 mm ≈ 9 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3.6 mm	0.14 in
Diameter (d)	73 mm	2.87 in
Weight	6.2 kg/m	4.14 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	784.9 mm²	1.217 in²
Moment of inertia (Ix)	47.38 cm⁴	1.14 in⁴
Moment of inertia (Iy)	47.38 cm⁴	1.14 in⁴
Elastic section modulus (Sx)	12.98 cm³	0.792 in³
Elastic section modulus (Sy)	12.98 cm³	0.792 in³
Plastic section modulus (Zx)	17.35 cm³	1.059 in³
Plastic section modulus (Zy)	17.35 cm³	1.059 in³
Radius of gyration (rx)	2.46 cm	0.967 in
Radius of gyration (ry)	2.46 cm	0.967 in