CHS 155x8 NBE EA-95 · Weight & Dimensions

NBE EA-95, 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 155x8 steel profile weighs 29.0 kg/m (19.47 lb/ft). Cross-sectional area: 3,694.513 mm². Moment of inertia Ix = 1,000.89 cm⁴, Iy = 1,000.89 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8 mm	0.31 in
Diameter (d)	155 mm	6.10 in
Weight	29.0 kg/m	19.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,694.51 mm²	5.726 in²
Moment of inertia (Ix)	1,000.89 cm⁴	24.05 in⁴
Moment of inertia (Iy)	1,000.89 cm⁴	24.05 in⁴
Elastic section modulus (Sx)	129.15 cm³	7.881 in³
Elastic section modulus (Sy)	129.15 cm³	7.881 in³
Plastic section modulus (Zx)	173.04 cm³	10.560 in³
Plastic section modulus (Zy)	173.04 cm³	10.560 in³
Radius of gyration (rx)	5.2 cm	2.049 in
Radius of gyration (ry)	5.2 cm	2.049 in