CHS 355.6x6 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 355.6x6 steel profile weighs 51.7 kg/m (34.76 lb/ft). Cross-sectional area: 6,589.805 mm². Moment of inertia Ix = 10,070.553 cm⁴, Iy = 10,070.553 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Thickness (t)	6 mm	0.24 in
Diameter (d)	355.6 mm	14.00 in
Weight	51.7 kg/m	34.76 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,589.8 mm²	10.214 in²
Moment of inertia (Ix)	10,070.55 cm⁴	241.95 in⁴
Moment of inertia (Iy)	10,070.55 cm⁴	241.95 in⁴
Elastic section modulus (Sx)	566.4 cm³	34.564 in³
Elastic section modulus (Sy)	566.4 cm³	34.564 in³
Plastic section modulus (Zx)	733.39 cm³	44.755 in³
Plastic section modulus (Zy)	733.39 cm³	44.755 in³
Radius of gyration (rx)	12.36 cm	4.867 in
Radius of gyration (ry)	12.36 cm	4.867 in