CHS 101.6x4.25 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 101.6x4.25 steel profile weighs 10.2 kg/m (6.85 lb/ft). Cross-sectional area: 1,299.795 mm². Moment of inertia Ix = 154.271 cm⁴, Iy = 154.271 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.25 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	4.3 mm	0.17 in
Diameter (d)	101.6 mm	4.00 in
Weight	10.2 kg/m	6.85 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,299.79 mm²	2.015 in²
Moment of inertia (Ix)	154.27 cm⁴	3.71 in⁴
Moment of inertia (Iy)	154.27 cm⁴	3.71 in⁴
Elastic section modulus (Sx)	30.37 cm³	1.853 in³
Elastic section modulus (Sy)	30.37 cm³	1.853 in³
Plastic section modulus (Zx)	40.3 cm³	2.459 in³
Plastic section modulus (Zy)	40.3 cm³	2.459 in³
Radius of gyration (rx)	3.45 cm	1.356 in
Radius of gyration (ry)	3.45 cm	1.356 in