CHS 219.1x25.4 Açotubo · Weight & Dimensions

Açotubo, 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 219.1x25.4 steel profile weighs 121.3 kg/m (81.53 lb/ft). Cross-sectional area: 15,456.573 mm². Moment of inertia Ix = 7,373.722 cm⁴, Iy = 7,373.722 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	25.4 mm	1.00 in
Diameter (d)	219.1 mm	8.63 in
Weight	121.3 kg/m	81.53 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	15,456.57 mm²	23.958 in²
Moment of inertia (Ix)	7,373.72 cm⁴	177.15 in⁴
Moment of inertia (Iy)	7,373.72 cm⁴	177.15 in⁴
Elastic section modulus (Sx)	673.09 cm³	41.075 in³
Elastic section modulus (Sy)	673.09 cm³	41.075 in³
Plastic section modulus (Zx)	958.46 cm³	58.489 in³
Plastic section modulus (Zy)	958.46 cm³	58.489 in³
Radius of gyration (rx)	6.91 cm	2.719 in
Radius of gyration (ry)	6.91 cm	2.719 in