CHS 273.1x7.95 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 273.1x7.95 steel profile weighs 52.0 kg/m (34.94 lb/ft). Cross-sectional area: 6,622.297 mm². Moment of inertia Ix = 5,824.949 cm⁴, Iy = 5,824.949 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8.0 mm	0.31 in
Diameter (d)	273.1 mm	10.75 in
Weight	52.0 kg/m	34.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,622.3 mm²	10.265 in²
Moment of inertia (Ix)	5,824.95 cm⁴	139.94 in⁴
Moment of inertia (Iy)	5,824.95 cm⁴	139.94 in⁴
Elastic section modulus (Sx)	426.58 cm³	26.032 in³
Elastic section modulus (Sy)	426.58 cm³	26.032 in³
Plastic section modulus (Zx)	559.09 cm³	34.118 in³
Plastic section modulus (Zy)	559.09 cm³	34.118 in³
Radius of gyration (rx)	9.38 cm	3.692 in
Radius of gyration (ry)	9.38 cm	3.692 in