CHS 711x20 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 711x20 steel profile weighs 340.7 kg/m (228.94 lb/ft). Cross-sectional area: 43,416.81 mm². Moment of inertia Ix = 259,350.86 cm⁴, Iy = 259,350.86 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	20 mm	0.79 in
Diameter (d)	711 mm	27.99 in
Weight	340.7 kg/m	228.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	43,416.81 mm²	67.296 in²
Moment of inertia (Ix)	259,350.86 cm⁴	6230.90 in⁴
Moment of inertia (Iy)	259,350.86 cm⁴	6230.90 in⁴
Elastic section modulus (Sx)	7,295.38 cm³	445.193 in³
Elastic section modulus (Sy)	7,295.38 cm³	445.193 in³
Plastic section modulus (Zx)	9,552.29 cm³	582.919 in³
Plastic section modulus (Zy)	9,552.29 cm³	582.919 in³
Radius of gyration (rx)	24.44 cm	9.622 in
Radius of gyration (ry)	24.44 cm	9.622 in