CHS 101.6x7.95 CISC · Weight & Dimensions

CISC, 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 101.6x7.95 steel profile weighs 18.4 kg/m (12.34 lb/ft). Cross-sectional area: 2,338.971 mm². Moment of inertia Ix = 258.267 cm⁴, Iy = 258.267 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8.0 mm	0.31 in
Diameter (d)	101.6 mm	4.00 in
Weight	18.4 kg/m	12.34 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,338.97 mm²	3.625 in²
Moment of inertia (Ix)	258.27 cm⁴	6.20 in⁴
Moment of inertia (Iy)	258.27 cm⁴	6.20 in⁴
Elastic section modulus (Sx)	50.84 cm³	3.102 in³
Elastic section modulus (Sy)	50.84 cm³	3.102 in³
Plastic section modulus (Zx)	69.89 cm³	4.265 in³
Plastic section modulus (Zy)	69.89 cm³	4.265 in³
Radius of gyration (rx)	3.32 cm	1.308 in
Radius of gyration (ry)	3.32 cm	1.308 in