CHS 101.6x3 SAISC · Weight & Dimensions

SAISC, 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 101.6x3 steel profile weighs 7.3 kg/m (4.90 lb/ft). Cross-sectional area: 929.283 mm². Moment of inertia Ix = 113.035 cm⁴, Iy = 113.035 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	3 mm	0.12 in
Diameter (d)	101.6 mm	4.00 in
Weight	7.3 kg/m	4.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	929.28 mm²	1.440 in²
Moment of inertia (Ix)	113.04 cm⁴	2.72 in⁴
Moment of inertia (Iy)	113.04 cm⁴	2.72 in⁴
Elastic section modulus (Sx)	22.25 cm³	1.358 in³
Elastic section modulus (Sy)	22.25 cm³	1.358 in³
Plastic section modulus (Zx)	29.17 cm³	1.780 in³
Plastic section modulus (Zy)	29.17 cm³	1.780 in³
Radius of gyration (rx)	3.49 cm	1.373 in
Radius of gyration (ry)	3.49 cm	1.373 in