CHS 168.3x20 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 168.3x20 steel profile weighs 73.2 kg/m (49.16 lb/ft). Cross-sectional area: 9,317.964 mm². Moment of inertia Ix = 2,608.202 cm⁴, Iy = 2,608.202 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	20 mm	0.79 in
Diameter (d)	168.3 mm	6.63 in
Weight	73.2 kg/m	49.16 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,317.96 mm²	14.443 in²
Moment of inertia (Ix)	2,608.2 cm⁴	62.66 in⁴
Moment of inertia (Iy)	2,608.2 cm⁴	62.66 in⁴
Elastic section modulus (Sx)	309.95 cm³	18.914 in³
Elastic section modulus (Sy)	309.95 cm³	18.914 in³
Plastic section modulus (Zx)	442.52 cm³	27.005 in³
Plastic section modulus (Zy)	442.52 cm³	27.005 in³
Radius of gyration (rx)	5.29 cm	2.083 in
Radius of gyration (ry)	5.29 cm	2.083 in