CHS 89x7.6 AHMSA · Weight & Dimensions

AHMSA, 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 89x7.6 steel profile weighs 15.3 kg/m (10.25 lb/ft). Cross-sectional area: 1,943.515 mm². Moment of inertia Ix = 162.374 cm⁴, Iy = 162.374 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	7.6 mm	0.30 in
Diameter (d)	89 mm	3.50 in
Weight	15.3 kg/m	10.25 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,943.51 mm²	3.012 in²
Moment of inertia (Ix)	162.37 cm⁴	3.90 in⁴
Moment of inertia (Iy)	162.37 cm⁴	3.90 in⁴
Elastic section modulus (Sx)	36.49 cm³	2.227 in³
Elastic section modulus (Sy)	36.49 cm³	2.227 in³
Plastic section modulus (Zx)	50.5 cm³	3.082 in³
Plastic section modulus (Zy)	50.5 cm³	3.082 in³
Radius of gyration (rx)	2.89 cm	1.138 in
Radius of gyration (ry)	2.89 cm	1.138 in