CHS 101.6x3.35 Gerdau · Weight & Dimensions

Gerdau, tubes · 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 101.6x3.35 steel profile weighs 8.1 kg/m (5.46 lb/ft). Cross-sectional area: 1,034.016 mm². Moment of inertia Ix = 124.913 cm⁴, Iy = 124.913 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.35 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3.4 mm	0.13 in
Diameter (d)	101.6 mm	4.00 in
Weight	8.1 kg/m	5.46 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,034.02 mm²	1.603 in²
Moment of inertia (Ix)	124.91 cm⁴	3.00 in⁴
Moment of inertia (Iy)	124.91 cm⁴	3.00 in⁴
Elastic section modulus (Sx)	24.59 cm³	1.501 in³
Elastic section modulus (Sy)	24.59 cm³	1.501 in³
Plastic section modulus (Zx)	32.35 cm³	1.974 in³
Plastic section modulus (Zy)	32.35 cm³	1.974 in³
Radius of gyration (rx)	3.48 cm	1.368 in
Radius of gyration (ry)	3.48 cm	1.368 in