CHS 273.1x12 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 273.1x12 steel profile weighs 77.3 kg/m (51.93 lb/ft). Cross-sectional area: 9,843.238 mm². Moment of inertia Ix = 8,405.782 cm⁴, Iy = 8,405.782 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Thickness (t)	12 mm	0.47 in
Diameter (d)	273.1 mm	10.75 in
Weight	77.3 kg/m	51.93 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,843.24 mm²	15.257 in²
Moment of inertia (Ix)	8,405.78 cm⁴	201.95 in⁴
Moment of inertia (Iy)	8,405.78 cm⁴	201.95 in⁴
Elastic section modulus (Sx)	615.58 cm³	37.565 in³
Elastic section modulus (Sy)	615.58 cm³	37.565 in³
Plastic section modulus (Zx)	818.65 cm³	49.958 in³
Plastic section modulus (Zy)	818.65 cm³	49.958 in³
Radius of gyration (rx)	9.24 cm	3.638 in
Radius of gyration (ry)	9.24 cm	3.638 in