CHS 323.8x20 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 323.8x20 steel profile weighs 149.8 kg/m (100.69 lb/ft). Cross-sectional area: 19,088.317 mm². Moment of inertia Ix = 22,117.261 cm⁴, Iy = 22,117.261 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	20 mm	0.79 in
Diameter (d)	323.8 mm	12.75 in
Weight	149.8 kg/m	100.69 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,088.32 mm²	29.587 in²
Moment of inertia (Ix)	22,117.26 cm⁴	531.37 in⁴
Moment of inertia (Iy)	22,117.26 cm⁴	531.37 in⁴
Elastic section modulus (Sx)	1,366.11 cm³	83.365 in³
Elastic section modulus (Sy)	1,366.11 cm³	83.365 in³
Plastic section modulus (Zx)	1,848.56 cm³	112.806 in³
Plastic section modulus (Zy)	1,848.56 cm³	112.806 in³
Radius of gyration (rx)	10.76 cm	4.238 in
Radius of gyration (ry)	10.76 cm	4.238 in