CHS 323.8x7.1 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 323.8x7.1 steel profile weighs 55.5 kg/m (37.26 lb/ft). Cross-sectional area: 7,064.091 mm². Moment of inertia Ix = 8,860.957 cm⁴, Iy = 8,860.957 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	7.1 mm	0.28 in
Diameter (d)	323.8 mm	12.75 in
Weight	55.5 kg/m	37.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,064.09 mm²	10.949 in²
Moment of inertia (Ix)	8,860.96 cm⁴	212.88 in⁴
Moment of inertia (Iy)	8,860.96 cm⁴	212.88 in⁴
Elastic section modulus (Sx)	547.31 cm³	33.399 in³
Elastic section modulus (Sy)	547.31 cm³	33.399 in³
Plastic section modulus (Zx)	712.24 cm³	43.464 in³
Plastic section modulus (Zy)	712.24 cm³	43.464 in³
Radius of gyration (rx)	11.2 cm	4.409 in
Radius of gyration (ry)	11.2 cm	4.409 in