CHS 273.1x8 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 273.1x8 steel profile weighs 52.3 kg/m (35.15 lb/ft). Cross-sectional area: 6,662.69 mm². Moment of inertia Ix = 5,858.337 cm⁴, Iy = 5,858.337 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	8 mm	0.31 in
Diameter (d)	273.1 mm	10.75 in
Weight	52.3 kg/m	35.15 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,662.69 mm²	10.327 in²
Moment of inertia (Ix)	5,858.34 cm⁴	140.75 in⁴
Moment of inertia (Iy)	5,858.34 cm⁴	140.75 in⁴
Elastic section modulus (Sx)	429.03 cm³	26.181 in³
Elastic section modulus (Sy)	429.03 cm³	26.181 in³
Plastic section modulus (Zx)	562.39 cm³	34.320 in³
Plastic section modulus (Zy)	562.39 cm³	34.320 in³
Radius of gyration (rx)	9.38 cm	3.692 in
Radius of gyration (ry)	9.38 cm	3.692 in