CHS 813x8 Tuboeuropa · Weight & Dimensions

Tuboeuropa, cold-formed 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 813x8 steel profile weighs 158.6 kg/m (106.56 lb/ft). Cross-sectional area: 20,231.857 mm². Moment of inertia Ix = 163,900.547 cm⁴, Iy = 163,900.547 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8 mm	0.31 in
Diameter (d)	813 mm	32.01 in
Weight	158.6 kg/m	106.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	20,231.86 mm²	31.359 in²
Moment of inertia (Ix)	163,900.55 cm⁴	3937.71 in⁴
Moment of inertia (Iy)	163,900.55 cm⁴	3937.71 in⁴
Elastic section modulus (Sx)	4,031.99 cm³	246.048 in³
Elastic section modulus (Sy)	4,031.99 cm³	246.048 in³
Plastic section modulus (Zx)	5,184.37 cm³	316.371 in³
Plastic section modulus (Zy)	5,184.37 cm³	316.371 in³
Radius of gyration (rx)	28.46 cm	11.206 in
Radius of gyration (ry)	28.46 cm	11.206 in