CHS 168.3x14.3 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 168.3x14.3 steel profile weighs 54.3 kg/m (36.50 lb/ft). Cross-sectional area: 6,918.415 mm². Moment of inertia Ix = 2,068.649 cm⁴, Iy = 2,068.649 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	14.3 mm	0.56 in
Diameter (d)	168.3 mm	6.63 in
Weight	54.3 kg/m	36.50 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,918.42 mm²	10.724 in²
Moment of inertia (Ix)	2,068.65 cm⁴	49.70 in⁴
Moment of inertia (Iy)	2,068.65 cm⁴	49.70 in⁴
Elastic section modulus (Sx)	245.83 cm³	15.001 in³
Elastic section modulus (Sy)	245.83 cm³	15.001 in³
Plastic section modulus (Zx)	340.11 cm³	20.755 in³
Plastic section modulus (Zy)	340.11 cm³	20.755 in³
Radius of gyration (rx)	5.47 cm	2.153 in
Radius of gyration (ry)	5.47 cm	2.153 in