CHS 88.9x7.1 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 88.9x7.1 steel profile weighs 14.3 kg/m (9.62 lb/ft). Cross-sectional area: 1,824.574 mm². Moment of inertia Ix = 153.758 cm⁴, Iy = 153.758 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	7.1 mm	0.28 in
Diameter (d)	88.9 mm	3.50 in
Weight	14.3 kg/m	9.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,824.57 mm²	2.828 in²
Moment of inertia (Ix)	153.76 cm⁴	3.69 in⁴
Moment of inertia (Iy)	153.76 cm⁴	3.69 in⁴
Elastic section modulus (Sx)	34.59 cm³	2.111 in³
Elastic section modulus (Sy)	34.59 cm³	2.111 in³
Plastic section modulus (Zx)	47.63 cm³	2.906 in³
Plastic section modulus (Zy)	47.63 cm³	2.906 in³
Radius of gyration (rx)	2.9 cm	1.143 in
Radius of gyration (ry)	2.9 cm	1.143 in